MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS. Acknowledgement and thanks are given to the following manufacturers for their kind assistance and cooperation.
BEITMAN MANUALS: Radio set diagrams and service data from 1930 to 1954
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Document DocumentMost - Often Needed 1940 RADIO DIAGRAMS and Servicing Information Compiled by M. N. BEITMAN VOLUME 3 $100 SUPREME PUBLICATIONS CHICAGO Most Often Needed 1940 RADIO DIAGRAMS and Servicing Information Compiled by M. N. BEITMAN SUPREME PUBLICATIONS CHICAGO MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Acknowledgement and thanks are given to the following manufacturers for their kind assistance and cooperation. 2 Air -King Products Co. Allied Radio Corporation Andrea Radio Corporation Ansley Radio Corporation Belmont Radio Corporation Chevrolet Motor Division Continental Radio and Television Corp. The Crosley Corporation Detrola Radio Corporation DeWald Radio Manufacturing Corp. Emerson Radio and Phonograph Corp. Fada Radio and Electric Company Federal Recorder Company, Inc. Galvin Manufacturing Corporation Gamble-Skogmo, Inc. General Electric Company The Hallicrafters, Inc. Howard Radio Company Majestic Radio & Television Corp. Midwest Radio Corporation Montgomery Ward Noblitt-Sparks Industries, Inc. Oldsmobile, General Motors Packard -Bell Co. Philco Radio & Television Corp. Pilot Radio Corporation RCA Manufacturing Company, Inc. Radio Wire Television, Inc. Sears, Roebuck and Company Sonora Radio & Television Corp. The Sparks-Withington Company Spiegel, Inc. Stewart -Warner Corporation Stromberg-Carlson Telephone Mfg. Co. Supreme Instruments Corporation Talk -A -Phone Manufacturing Co. United Motors Service Walgreen Drug Co. Warwick Manufacturing Corporation Wells -Gardner & Company Western Auto Supply Company Westinghouse Electric Supply Company Wilcox -Gay Corporation Zenith Radio Corporation Copyright, 1940, By SUPREME PUBLICATIONS, of Chicago. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS INDEX Admiral see Continental Air -King Products 257 7 3905 7 4257 7 Airline see Montgomery Allied Radio Corp. 5N, 5NL 9 AU -10 8 E10725 8 A10760 8 A10806 9 A10807 9 A10822 8 A10855 9 Ansley Radio Corp. D1 Amplifier 10 D16 10 D20 10 Andrea Radio Corp. OF -6 11 Arvin see Noblitt-Sp. Belmont Radio 460 12 507 13 513 13 533 14 Chevrolet 985536 15 985537 16 985538 17 Continental Radio F-5 18 XF-5 18 7-C 18 Crosley Corp. 10 19 A-559 21 5549 24 Delco see United Mot. Detrola Radio 274 20 280 20 282 20 288 20 DelVald Radio Mfg. 406R 22 663 22 666 22 Emerson Radio CV -289 23 CV -290 23 CV1-290 23 CG -293 25 CG1-293 25 CG -294 25 CG1-294 25 DM -331 27 DM2-331 27 DP -332 28 DP1-332 28 DQ-333 26 DQ1-333 26 DQ-334 26 DQ1-334 26 Fada Radio F-25 29 53 30 P-58 31 PL -58 31 63 33 L-96 32 Federal Recorder 101 34 Firestone Tire AU -10 8 Galvin Mfg. Co. see Motorola Gamble-Skogmo 5D2 35 940 36 951 36 961 36 General Electric HM -21 41 H-73 37 H-77 37 H-78 37 H-79 37 H-87 38 H-400 39 HB-412 41 H-600 40 H-601 40 H-610 40 H-611 40 HJ-612 43 H-634 42 H-638 42 H-640 42 Hallicrafters SX-25 44-45 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 3 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Howard Radio Co. 12-B 46 300 47 306 48 Lafayette Radio CC -24-25 49 CC -55A 50 Majestic Radio 2D60 51 4C10 51 130 135 410 51 Midwest Radio 15-40 53 90 52 Montgomery Ward 04BR-570A 54 93BR-420B 55 93BR-421B 55 93BR-423B 55 93BR-424B 55 93BR-431B 55 93BR-461A 56 93BR-508A 57 93BR-509A 57 93WG-604 59 93WG-605 59 93WG-663 58 93WG-668 58 Motorola 25-F 61 27-D-6 60 28-0 62 30-P 62 350 64 400 63 450 64 500 63 550 65 Noblitt-Sparks RE -48 66 RE -55 67 RE -58 67 RE -60 68 Oldsmobile 982160 70 982161 69 Packard Bell Co. 46-H, 46 -HC 71 48-G, 48 -GK 71 Philco Radio PT -25 72 PT -26 72 PT -27 72 PT -28 72 PT -29 73 PT -31 73 PT -33 73 PT -35 74 PT -36 72 PT -37 74 PT -38 75 PT -39 72 PT -41 73 PT -43 75 PT -45 76 PT -46 76 PT -47 76 PT -48 76 PT -49 77 PT -51 77 PT -53 74 PT -55 75 PT -57 77 PT -59 78 PT -61 73 PT -65 77 PT -66 78 PT -67 79 PT -69 79 Philco Radio 40-81 80 40-88 80 40-115 81 40-124 81 40-130 82 40-135 82 40-140 83 40.-145 83 40-150 85 40-155 85 40-158 84 40-160 87 40-165 89 40-180 86 40-185 86 40-190 86 40-195 88 40-200 88 40-215 90-91 40-216 92 40-217 90-91 40-501 93 40-502 93 40-503 94 40-506 94 40-507 95 40-508 96 40-509 96 40-510 97 40-525 98 Pilot Radio Corp. T-121 99 T-122 99 RCA Mfg. Co. 5Q5 100 5Q55 100 5Q56 100 TRK-5 101-102 TT -5 101-102 5X5 104 6Q7 100 4 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS RCA Mfg. Co. U-8 104 9TX-50 103 U-10 105 U-20 106 OSC-22 107 U-40 106 40X-30 107 40X-31 107 Bk-41 108 BT -41 108 BT -42 109 45X1 110 45X2 110 45X11 110 45X12 110 45X13 110 0-50 111 K-60 113 M-60 112 R-60 113 M-70 114 K-80 115 K-81 115 K-105 116 Radio Wire Telev. see Lafayette Sears, Roebuck 6320 117 6321 118 6322 118 6323 118 6324 119 6325 121 6337 120 6353 122 6354 122 6355 122 6362 123 6363 123 6364 123 6368 125 Sears, Roebuck 6382 125 6400 124 6401 124 6402 124 6403A 124 6404A 124 6405A 124 6406A 124 6421 118 6424 119 6425 121 6437 120 6438B 121 6439B 121 6440 121 6493 119 6497 121 Silvertone see Sears Radio Phonograph 127 Portable 126 4 -tube TRF 127 Sparks-Withington see Sparton Sparton 530-X 128 540 -LX 129 580-X 130 590-1 131 660-M 132 770, 770PA 133 880-A 133 Spiegel, Inc. P 134 130 135 601 134 631-6 135 Stewart -Warner "Air -Pal" 141 01-6G 136 01 -6G -Z 136 01-6K 137 01-6M 137 02-4A 138 03-5S 139 03-6J 140 03 -6J -Z 140 03-6L 140 03 -6L -Z 140 07-32 141 A -6S 141 Stromberg-Carlson 400 142 402 143 450 144 480 FM set 145 Supreme Instrument Audolyzer 146 562 146 Talk -O -Phone Mfg. Intercom. 147 Booster 147 Truetone see Western Auto United Motors R-663 148 R-664 150 R-665 149 R-666 151 R-667 151 R-668 152 R-669 152 R-673 153 R-675 154 R-677 155 R-678 156 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS United Motors R-1115 LO 157 R-1115 HI 158 R-1116 159 R-1117 160 R-1118 161 R-1119 162 R-1120 163 R-1125 164 R-1131 165 Walgreen Drug Co. 520 166 530 166 Warwick Mfg. Co. 0-53 167 10-70 167 Wells -Gardner 4B5 168 5A25S 169 7C15 170 Western Auto D-924 175 D-976 171 D-1070 172 D-1080 173 D-1091 174 Westinghouse Elec. WR-166 176 WR-170 176 WR-375 177 WR-674 178 Wilcox -Gay Corp. 939 179 A-70 179 Recordio 179 Zenith Radio Corp. 4A01 197 4A02 196 4A03 197 4A04 196 4E422 180 4E437 180 4E466 180 4B468 180 Zenith Radio Corp. 4B 515 197 4B536 197 4K422 181 4K435 181 4K465 181 4K466 181 4K515 196 4K535 196 5A01 199 5A02 198 5G438 182 5G467 182 5G500 199 5G501 199 5G537 198 5G572 198 6A02, 6A04 201 6A05 202 6A08 208 6A10 200 6D525 200 6D526 200 63436 186-187 63463 186-187 6R481 184 6R485 183 6R583 208 65439 185 63469 185 6S546 202 63556 202 7A01 203 7A02 204 75432 188 73433 188 78434 188 75449 188 7S450 188 73458 188 73459 188 75460 188 7S461 188 7S462 188 75487 189 73488 189 73490 189 75529 204 73530 204 7S547 204 73557 204 Zenith Radio Corp. 7S558 204 7S559 204 78585 203 8A01 205 8A02 206 83443 190 83451 190 83463 190 83531 206 8S548 206 83563 206 8S564 206 83586 205 10A1 207 103443 191 108452 191 103464 191 108470 191 10S491 191,195 103492 191,195 103531 207 108549 207 108566 207 113474 192 128445 194 128453 194 123471 194 128475 194 128494 194,195 158479 193 153495 193,195 1005 191 1007 195 1103 192 1207 194 1208 195 1503 193 1504 195 5417 180 5420 181 5536 182 5672P 183 5675 184 5678 185 5679 186-187 5724 188 5725 189 5808 190 38500 208 38501 208 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Air -King Products Co. zBAT 61, C. 9 9 V C 4991 055 9 500 OWSS.S rum SOCKETS RE./ 4401. TOP S. Or C144661S 41GH 1112 0 1500 PC ORO 600 KC WON 14 0 455 KC 404.11.02 RIAD.. 0 KRICATED SOCKET PRONGS ME 1411 ORESS45 Models 257, 4257 75 VC -MET -AF tsLec 01,11,41. ( Mom ri G P3 M496111 RESIO.4 2926 6505 Model 3905 ( 257 4257 seLEcroor CONTROL POST FFOORR CUTS. 4114TEVINA COMBINED 'A' B Ei" BATTERY PACK GENERAL DRY BATTERY CO No. 60A -2L ADVANCE BATTERY CO NO MI ACNE BATTERY CO Na 60A -5D USA LITE BATTERY NO 665 BURGESS BATTERY CO NO. 5 -DA -60 TFRY RETYIER =TROP - luCx a CA. .222(1101/4 LOOP IA70 osc-,Kum. wAr '-II--4nN" , TUBE SOCKETS VIEWED FRP. roe 1110E a C14ASSIS AL. 114 0 1500 KC MAR $F AT 955. Model 3905 intra AL ES 11450 vC Crti -f 6 90 !-w comeeco, BATTERY PO. 1050 90 n VOLU6B COW.% COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS z 7 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS -- Allied Radio Corp. Models AU -10 E10725 lr 1 A10760 A10822 8 uttl.9.0 7 - 000p00 rtea -411 ic I I.F. 456 K.C.1 tiLL 0 000 0 0 68301 ; ; I. t- CO <CO al W ° z 8 4- 15f49.5 00090 4 TUBE -6VOLT SUPERHETERODYNE SINGLE BAND AUTO SIT cot an mteiriA t -t3 -as CMNGO PAFrr NO. C1 N-1345 C 2 11-I479 C3 11-1630 C 4 N-1345 C5 14-1345 C 6 N-1343 C 7 11-1344 C8 14-1351 Cg N -I447 C 0 11-I344 C 11 N-1478 C12 C 13 44-1369, C14 C15 N-1623 C 16 11-I624 C17 C18 C19 C 20 11-I624 N -I625 14-1625 N-1343 C 21 N-1343 RI N -I473 R2 11-I260 R3 N -I627 R4 14 -16 27 R5 N-1262 R 6 N-1238 R7 N-1419 R 5 N-1261 R 5 N -I628 RIO 11-I264 811 /4-12518 R,2 N-1482 DESCRIPTION .05 MFD. 200V. .25 100. 50 MMFD. .05 UFO 200V. 20% 200V .05 MFD. 200V 250 IIIMFD. 20% .01 MFG. 400V. 0.1 MFD. 200V. .0005 MFD. .01 MFD. 400V. 400V .01 MFD. 600V. 20 MFD. 25 V.1 6 MFG. 250V ELECTRO. 12 UFO 250V. 0.1 MFD. 400V .008 MFD. (OIL) 1000V. .008 MFD. COIL) 1000V. 0.5 MFG. 0.5 WO. 120V. 120V. 250 MMFD. 20% 250 MMFD 20% 200 OHM .5W. 10% 50,000 OHM .5W 20% 20,000 OHM .5W 20% 20,000 04164 .5W 20% I MEGOHAI .5W 20% 0.5 PAEGCNIN VOL. CONT. 6 MEGOHM .5W. 20% 250,005 OHM .5W 20% 750 OHM .5W. 10% 0.5 MEG04111 .5W. 20% 5000101 .5W. 20% 250 OHM .5 W. 20% 1:446'pa HIRT NO R 13 N-1629 14 14 N 1629 1 11-I249 2 N-1250 3 M-1248 4 N-1596 5 II -1235 6 44-1540 7 N-1477 8 N -I632 9 N-1631 N-1236 11-I237 41-1241 N-1539 N-1239 DESCRIPTION 100 OHM 1W. 100 OHM I W. 20% 20% ANTENNA COIL OSCILLATOR COIL I ST I.F. TRANS. 2 ND. I.F. TRANS. 4- SPEAKER 81 TRANS. VIBRATOR TRANS. HASH CHOKE MOTOR NOISE CHOKE HEATER CHOKE VIBRATOR (SYNCHRONOUS) GANG CONDENSER TUNING DIAL BATTERY LEADS TOGGLE SWITCH COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS V C6 iNliVIKIFY- 1.0 1110 ots-cmPT pow V] "4",.2. oceaurnow C, 14-1 3 44 .0. WO C, 11-4345 .00 WO. 400 V. RI BOO V. Mg C3 1+4345 .05 111180. 24 14-1344 .01 100. 200 V. R3 400 V. Rs C5 14-134.4 .0/ WD. 400 V. Rs C6 14-1344 .01 WV. 400 V Rs C 7 11-1.346 .05 III0. *00 5 Ity Cs 23 111914150 V. Rs *-1843 C9 1010'0. WOO.} ELECT R9 GK. 20 IWO. t5 V. 1 1414014,,,,. c,..,,,,,,,,E, 2 10537 131.000 ONO VOL. 14-1410 5.5 Mi. 201,-5 W. 14-4835 11185. 20%.5 W. 14-1242 1 015. 20%3 W. 11-1264 .5 NCO. 20%4 W 11-4614 50 0101 2O%.5 W. N-1418 80 0101 10% 2 W. 11-1417 34300 OM 20% ...5118 14-1716 250 000 l0% -511. 114790 801110141 1305- WI TIM 11.0. 0511. *4048 WEARIER s 7014115. Allied Radio A10806 A10807 4 TUBE T.R.F. azrearmri 4AiltiVM41 4'11.11KI*9 eithIe /AVM 14..0.4.441104 NW! 044441 til 17'-f,4r c. mmar w4ri-J, 44... 4 !I et roe .000041 4. :51.055 C .0N94P1aA..C. / 1440,04 41.1 CA C CgAfI ) CO1 Fie7, 1.400. 44000000 /40 53 ArarriCAC MIL .4100w lr 14771017 PC4.00 C7 OWED ON MODEL. sat 04C) 04 91100t7. 5N POINT WIS Allied Radio Models 5N, 5NI. A10855 CONNECTED TO CNASSIS. SswWaITrCmWz-/ IS ON- A.C. orr j eArreRr SMITOV-Z SNO444V POI? 4-C 4S.4" OW moot[ %TN 3WffeW,JaviTCH 2.4 NOT WED. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS nrirlrnr15 13-6151515 H L__ N 0 In N ?-a toloWSAAA 0.14/067 3 0 M raiNOOS w 00? poi4,002 W 0 OS 1 d'S kp CLCIA E. Ai" 5000Il 112y se. 900' 3 LV 00/ t0m O lirjU,S 4, PI 00/ 1/40 r '01 N "0 -s N 60 J23 0 cq 10 3 AnI\AnniNA/s/VI- AMPLIFIERS MOOS L D - DART DD //A6 -- 2 6 D 20 -x/93 AA/SLEY RADIO CORP. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS -Oncluacifikr 2b1 -3H 'A009-520 o (C4 f bal IP3 .0c1 4-2H *00? -11' 1211 l-* -119 -oorokz 2Il dou (b-xiloo/-tor r i'stoor r-- q i :"`---77\ 4-1 .43e-ta ail in n -D- 11)h Amen 2114S 110440 1011.1.03 3141110A '000'00S Sg r 1 -9 PJ fr C2 PI r\ I p 4 a. L J 3 Z a1 =11. e ry a a C O O xx 101066,21 - ..,, ,.-. -r\,..,-i ....t ,ff a, s,,, 1 a-+ V> NI "4 r-l I. ,- .- N 4 r '' ii t... 4 -a \ "1"._ r ar,_.._,__,-tora o o NI ti r..,._ < I,' II 5.-1 +is .,.4k m.,,K..x.we Q= A COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 1 1 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS N. I f .r 8 rn \loos) QO onno Hi0 )--I CO h m 0 0 L). CC --4410414414 CO 1-111" r - CC 4/004.,W4V t7.) ANL k Pi 0 00 QS) c),` 000000 `r" 0 0 J-AMMAkWee--1., U Belmont Radio Model 460 Circuit Rd. No. Part No. Desaiption RESISTORS 121 130266 203M ohm -5 w. R2 13018 4M ohm-% w. R3 1307 4011 ohm -5 w. R4 1301 3 megohm-% w. R5 101175 1 megohm volume control R6 130257 5 megohm-5 w. R7 1303 503/1 ohm-% w. R8 13019 1 megohm-54 w. R9 130200 700 ohm -54 w. RIO 101119 Tone Control (1 Megohm) CONDENSERS C 102110 2 gang variable condenser C1 Antenna Trimmer on gang C2 Oscillator trimmer on gang C3 12912 .00025 mica C4 1039 .115 x 200 v. C5 1009 .05 x 203 v. C6 1295 .0001 mica C7 10312 .003 x 601) v. C8 1295 .0001 mica C9 10011 .01 / 400 v. C10 11975 10 mid. x 25 w. v. C11 10012 .003 a 600 v. C12 10064 .25 x 200 v. C13 10020 .1 a 200 v. C14 10025 .000 x 600 v. PARTS T1 111132 Antenna Coil 1'2 110122 Oscillator Coil T1 10815111 Input I. F. - 465 kc. T4 108153 Output I. F. - 465 kc. T5 10591 Output Transformer T6 114166 5 in. P. M. Speaker SI Off -on switch on Volume control 4 O Q)0000 s 4. cc 3 of jTh-q000.$)o?- BOTTOM VIEW OF CHASSIS I C5G 1.4 1.4 0 -7 (I) 0 VOLTAGES MEASURED WITH 1000 OHM PER VOLT VOLTMETER BETWEEN SOCKET TERMINALS AND CHASSIS [ I) CANNOT ME MEASURED swim VOLTMETER. 83 78 I H5G * OSC sOLTRC.0 *CLAD at MESuRE D MTH 0 1. SERIES R.I CHOKE IA7G -2 1 +78 35 SO 0 0 0 I P5G 83 Ell U 63 53 1.4 -7 E 1.4 o NOT(ABOVE VOLTAGES ARC TAKEN WITH A FULL 000000'>-H! 90 r.'111" 8ATTCAr AND Ell O 1.5 V -4. BATTERY SP 00 12 REAR OF CHASSIS 924 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Belmont Radio Models 507, 513 +c. 00 -+ -B. R<r CD a) I.F. 465 K.C. '-I I0 Circuit Diagram Ref. Part No. No. RESISTORS 01."-. RI 13038 R2 130266 R3 13018 2 megohni-ii w. 200M ohm-Vi w. 4M ohm-y, w. Ir) R4 130208 40M ohm-Y3 w. R5 130215 25 ohm-V, w. NarI) R6 130170 R7 130129 R8 101210 3250m0egoohhmin--3-,i,,5ww. . 1 megohm volume control rn R9 130257 5 megohtn-l4 w. RIO 1303 R11 13038 500M ohm -5 2 megolun-35 ww.. R12 13092 IM ohm -3i w. CONDENSERS C 102125 Cl 12912 2 gang variable condenser .00325 4:71 C2 100110 .2 mid. x 400 v. ir) C3 1009 C4 12912 .05 x 200 v. .00025 C5 1009 .05 x 200 v. C6 10020 .1 x 200 v. C7 10011 .01 x 400 v. C8 119104 Lytic 200 mfd. x 6 w. v. C9 1295 .0001 mfd. C10 119104 Cli 10025 Lytic 40 mfd. x 150 w. v. .002 x 600 v. C12 1292 .caos mfd. C13 119104 Lytic 20 mfd. x 150 w. C14 10011 .01 x 400 v. C15 10025 .002 x 600 v. C8, C10 and C13 in same unit T1 111171 T2 110144 T3 108171 T4 108172 T5 114189 SI 101210 S2 125106 S3 125107 PI 107249 PARTS Loop Antenna Oscillator Coil Input I. F. Coil -465 kc. Output I. F. Coil -465 kc. Speaker with output transfor Switch on volume control Power Switch Cut-off switch in line cord Pilot light T47 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 13 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS C2 I2SA7 I2SK7 ® 12SQ7 00 50L6GT ® 8 CI 2 3 Tio 11111114 C18 o-o CB C7 000 RIO 0.11 PLATE RI C5 -IIV CI RI8 T17 LE 465 KC R12 R7 R8 R5 .AAA4M.0 R2 MAAW R3 DC B l O 51 SI~ TC 9 H G Z7S 35Z5GT R9 2 R13 R15 RI 4 MD. 180 A VISNt?.Z.iD10 I REAR IN RADIO POSITION 105 TO 125 VOLTS AC- LINE PI 'pm C13 C 141 CIS I O Belmont Radio Model 533 Circuit Diagram Ref. No. Part No. Description RESISTORS BOTTOM VIEW OF CHASSIS VOLTAGES MEASURED WITH 1000 OHM PER VOLT VOLTMETER BANEDTWEBEN-SOCKET TERMINALS NOTE: SWITCH SHOULD DE IN RADIO POSITION AND SET CONNECTED TO 117V. 60 CYCLE A.G. SUPPLY SOUPCE. NO SIGNAL AND VOLUME CONTROL IN MINIMUM POW TION 35Z5GT [.] [o] [e) C.3 50L6GT 0 I2SQ7 ND...2:ff BE WARRED RAN oc..o.ncrEa . [B] POINTS OF UNE CONTACT. A] 00 o 0 00 0 As, 0A OSC. VOLTAGE TO BE MEASURED WITH R.F. CHOKE IN SERIES WITH VOLTMETER LERD 12SK7 I2SA7 C-9 0 82 0 A) RI R2 R3 R4 R5 R6 R7 R8 R9 RIO R11 R12 RI3 R14 R15 R16 130176 130118 130118 13056 130170 13012 101217 130257 130215 1309 13037 130166 13097 130287 1309 1309 20M ohm -1/3 w. 600M ohm-A w. 600M ohm-A w. 100 ohm-A w. 3 megohm-A w. 50M ohm-'A w. A megohm-volume control 5 megolun-1/3 w. 22050Mohomh-Amw-.w. 750M ohm-A w. 150 ohtn-A w. 200 ohm-A w. 1200 ohm -1 watt 200M ohin-A w. 200M-A w. 0 00 U 0 120 A 100 [A] (A) 62 I.v REAR OF CHASSIS [A] [s) 0 CONDENSERS Cl C2 1295 129114 .0001 Mica Condenser .0003 mid. mica C3 124136 Antenna Trimmer C4 124136 Oscillator Trimmer CS 1295 .0001 mica C6 10:0 .05 x 200 v. C7 1295 .0001 mica SERVICE NOTES: Voltages taken from different points of circuit to chassis are measured with volume control at minimum, all tubes in their sockets and speaker connected, with a volt meter having a resistance of 1000 ohms per volt. All voltages as indicated on the voltage chart are measured with 117 volt 60 cycle A.C. line. C8 10025 .002 x 600 v. C9 100119 .1 x 400 v. C10 1001 .1 x 400 v. CI 1 12912 .00025 mica C12 10019 C13 11994 C14 11994 Cl5 11994 .006 x 600 v. 40 mid. lytic-150 w. v. 20 mid. lytic-150 w. v. 20 mfd. lytic-150 w. v. CI6 10011 .01 x 400 v. C17 129162 .0008 Mica Condenser C18 129163 .000025 Ceramicon Condenser C3 and C4 in same unit C13, C14 and C15 are in same unit PARTS TI 112767 Antenna Coil-Permeability CAUTION:-No aligning adjn,tinents should be attempted without first thoroughly checking over all other possible causes of trouble, such as poor installations, open or grounded assembly complete T2 112767 Oscillator Coil T3 10814017 Input I. F. Coil -465 kc. T4 1081450 Output I. F. Coil -465 kc. antenna systems, low line voltage, defective tubes, condensers and resistors. In order to properly align this radio, the chassis T5 T6 10511W 114193 Output 1'ransforxner 5" P.M. Speaker T7 104206 Phono Motor should be removed from the cabinet. T8 T9 12228 114194 TPuhronntaoblpeick up arm 14 Si S2 P1 125113 107249 Phono Switch Switch on volume control PTilo1t light T47 and T2 in saine unit COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS Tc(,)FFtI WHIP UNDER CAR ANT COIL 44 5 21 AO\ ._IL6 52 C> 7 CA --_,kiwW 13 400141G60KT47*044 *0119* * "I46A..'%4' 45 46 SERIES TRIMMER TUNING o5 SOLENOID 6. 76 ..4 I6C--I- c . uTCH 7.- I COIF *117 R F COIL 10 -460Ar0810* go 1,..- 0.a i4 go 7'-' 401r ur:;20 I 5T 1 F ..i. .13M. MO MD M 2 ND F I ...6.K.7.. _ 4. 'WNW O. ,... e. oft 35l5 To- V 48 4JA., 2 INPUT CHOKE n 0 .. -.-.- 55 30 54 -I-77 33 o Toe 5 J2 59 4 .-t---. A 119 -/T..r. CY 22.1._ 51 VOLUME CONTROL li 1 r-RT. 6eRS70--A fitoGiToof 61 6 2 M, Wy 9 ° MOTOR NOISE PLAT ....meE 74B *PT 47 --I-104%MS-, too 75 OSC COIL --- POWER TRANS 73 73 'C7 Roy 7B Aymy. I oo VIBRATOR 1.00,?. kIM9-- a C> C> riii,r, -.-.2.5 T 0, rir O24 4 4 9 (Pr° 6V6 NO GT *0.11.11* 0* 6V6 *oGlTi.v... 5 22.0 OUTPUT TRANS aC> 7? _z. ,...., C7 - '"' IL_- um NI II --..1-8 y -T.... 42 79 65 139 67 3 44 8 A 71 0 ft -4 - R 4" 64 Ilk2 MNW 38 66 T0 -37 FIDELITY CONTROL I- VOICE 2- MUSIC 3 - BASS 4- SOFT Paol 4I . P,0i4643K7 II (Ilk GT AP 11 A 07 69 YELLOW 70 6 .. 01_ ACK 9110.A0li-e mai CI 021.713 ) I.F. 262.5 KC. 985536 CIRCUIT DIAGRAM TO SPEAKER iiEL06HEATERS 6K7GT 6Q7GT 6V6GT L 350 8C OIV'elAr` o-s* 2506 241. '001 21 .05 10203. 0-9 - 51 L1 34 156 '9 OS 36 22 38 100 32 oo4 istotA VOL OZ 4 126 01 26 45 3000 46 6000 8A c":;;,`; 8 000 I.F. 260 KC. - ' /C14EVROI FT 985537 CIRCUIT DIAGRAM 6 SA7GT OSC - TRANSL. 6SK7GT I. F 6SQ7GT DET - A vC - AF 2° MI 2!-.v 6V6GT OUTPUT a 2A 24A 5A o le 5 RUNNING BOARD UNMARKED 2C I MEG -10 .00005 2 I.F. 455 KC. 3 21 VI .05 12 105 113 29 27M MEG. 28 56M 5D 15 MEG. NANW`-30 500M -.COS VOLUME 17 CONTROL JJ 25A 000015 37 6 co ti 14- .004T .0 6xRE2 c5TGT 100(0 2700w ----- 38 39 31 10 MED. oak*, 4410ro 3590Av.T 14y, 15 MED. 300v. 98 DIAL L,CHT TO is-HEATERS 6 *-4( OD 0 5 15-4j-- 7 _ 5 7'c-dTtri5-1--0 258 F22 --- t____-,) 9 Amp I_16 7,,,/////r FUSE --7 ( TO AMMMETER 985538 CIRCUIT DIAGRAM MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 6'17 CONVERTER 6406 /.F AMR 75 4/ ROWER OUTPUT mamil C/tR/9070R,5 C , C2 ..5o5ff C3 .05 200 450000 C 4 C.5 .00025 .0/ MICA 400 C 6 .005 600 C 7 C 8 000/ 025 CC9/0.DO00S5 M640I0C00R 400 C// 000dji, MICR C IS . 004 ?5% Pf/C,4 C,3 C/4 seeGo0.6.14/ .0/ P4R0OW0 R C/S C/6 C17 Ci8 CIS /100..00 .05 ci0M0M0I1CR 350 350 400 M,C4 5 , 400R0E-0Sr/Si-neRs// RZ 200 'la R3 &SO ela R 4 20.000 '4 5.5 1,000 Vt Q/2 R/3 R51/54 RG R7 R8 R9 R N1 Z140 VS 6300000000 VOL CDR. ./1 31'1E6 400.000 vz TONG WS R/6 Sac hao 250,000 500,000 '00.000 400,000 300 vi Pz VZ Vz. l''S V2 F5 & XF5 1 A7 18T. OFT 8-05G. 1N5 0- I AMP. 1H5 DC1-,.: Continental Admiral / F- 455 IC. C. 4..1.0,9./9V/O77506N.17068,5 SHOWN JA/ zurago CAST 1807Tom .06-sy 0,, 7r..49C SOCk4'7:5 .5.+1:61/N GANG COMDCNSCR CAPACITY 441.3., 0.4i. SCHEIN/WV DIAG941 MODEL 7C 3 Q 5 POWER 0,,TPOT C, c, Ta 28 ae- C' p..o 14 CT EXTERN, :.ROUND Ac sATT 2411. 7,z 20 2E POWER CHANGE SOKTCM /2 38 TOP DECK BOTTOM VIEW OF SOCKET r-, 045315 42200rg0 COMMOm GROUND ,BATTERY PLUG oS'''se RRRR F. FREQ.. 455 KC. No. Ohms RI 1,000,000 R2 1,000,000 R3 200,000 84 500 R5 30,000 86 5,000,000 57 1,000,000 Re 5,000,000 18 Watts V2 ra V.C. 1/2 No. Ohms Watts No. Capacity (Mid.) Volts R9 110 y Cl .00025 Mica RIO 750-10% C2 .1 200 R11 250,000 C3 .01 200 812 1,000,000 G4 .0005 Mica 513 400 C5 .05 200 514 815 816 450-10% 1/2 2,100 5 30 1/2 C6 C7 C8 C9 .01 .00025 .01 .00025 200 Deco 400 Mica No. CIO C I 1 C12a C12b C12c C12d C13 C14 Capacity (Mfd.) .01 .002 40. 40. 30. 30. .05 .25 Volts 400 400 25 25 150 150 400 200 In ModelPFoSwsewr icthchanpgoeinstws 4it.c1h52, 1A6,th1r7ua2nHd 1a8ndartehneopt iucstoerdi.alSvwieitwchshpoowinntsin4tihsea"lAsoCn-oDt Cu"sepdosointioMno.del XF5. In late models C2 is not used. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS KEY 0005 ANT. COIL 2 6A cst 40* 01094 feCIDICA) 50011 20 140.. 13 03 VOLUME CONTROL 4011 0 24A HOP 26 KEY W-46416 .05 2413 O W 532 5 A Cg^iQS/UQ SPEAKER FIELD .0 0 0123 IIA 13hIF 4 50A YELLOW ei RED 118 6SK7 6J7 I5MF tro HEATER CIRCUIT :43 MODEL --- *10 15 ti 01) TUBESMAY BE METAL OR OT TYPE Power Consumption ® 117.5 Volts Line-Approximately 43 Watts. D. C. Drop Across Speaker Field -29 Volts. Maximum Power Output Approximately 2.0 Watts. CROSLEY It SOCKET VOLTAGES TAKEN @ 117.5 VOLT LINE (A. C.) SOCKET PIN NUMBER Tube Function No. I No. 2 No. 3 No. 4 No. 5 No. 6 No. 7 No. 8 6SK7 6J7 25L6 25Z6 W-46416 - R. F. Amplifier Detector Output RBeaclltaifsiterResistor GND. GND. GND. -165 Ohms (Cold) H H H H Between 3 . 0 20 82 A.C. No. 3 and GRID 8 91 120 No. 7 Pins 3 . 0 2 . 0 GRID A.G. with No. 7 and 92 N.C. No. 8 Pins H H H H Tied Together. 91 2 . 0 5.8 120 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS DETROLA MODEL 2.74- DETROLA MODEL 280 - eV./ .11Weraw, Q. VOLIIIde CO4r,fleet. POWER CORD J7.-Io1R/mTm.u..a.iv. rreOWRNA Alga, T L111 TO IRRI ON -of, JW,TCNG ra um, CONTROL Tr 6272 --.15/(c If .45.M pBITTCRI C04., 45 r/ - A BArreAr 0 12K7CT o ----i- -IN ,1 BE 12FIGT 3314G T ., --.-- .----17.-4 ..m-a4i --, 2:- .. -r 'ears, ,, .?, C. 0.5 I II ti al; 14 .11Z.KT urter .J$LifT """. fit sr 1-1 Mar INS laf /OM NFL +RR L.A.- d Models 282 - 288 affect the tracking of the receiver. I0 N 2 00015 36 .100.11 23 le I 'Hod 0Z .0001 34 3Q0 37 0 .0001 32 1 II EIT 29 *WM 1500 015-39000 0 III 4 B 5 30 WO A 31 100* 39 O O OP 41I. '17 19 .19/ rCrl 004 ON0 1-Z410 cD .031r4 sp. SO F. 10 Mr 24 0 Y. 35 1400 HM ..0 QUO / 3E1 ca 1 2 455 KC, 'WIRING DIAGRAM -MODEL A-559 CR OSLEY MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 12.5A7 IZSK7 12S07 50L66T - Cut secton 3 Me9 VVVVVVVVY 1 CIrta F1L4 ur 250000 a. 6=12159F1=13 M. 43 150M1 -0 -MR_ Motor 12 Sal MC .05 125A7 12SK 7 50L4 G7 On Model 663 Radio P110,10 use only on /05 - 115 V 60 cycles AC current mn/ess ate. onse specs/ad On Model 66e Radio Rece4rer use on 105 - /25 V 25 - 60 cycles, AC a I/C 6-30-50 '47 Mazda II" peaked at 4555C Variable Condense- enema, peaked at /50) PM De'7ald MODEL -666 MODEL -663 A.0 PHONO 50L66T P M. DYNAMIC 98 22 12F5GT 45Z56T 12K767- 50L6GT 570,p_n. -1/6MFD 02 MFD 1714aida DeVal d MODEL 406 R COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Z'merson Radio I 2SA7G T I P KANTO 0 53 I 2K 7GT CO 13 o Cti -111-,-. 12 SC 75T 504_6 G T C I Cie o OUTPUT TOWNSPOMate CO 1010EEN SwITCN IONOSITION MN, \42'. view 01 AMOM) PUNT LOOM. AT PINS OTENKITN 35Z5GT new 01 PeoOr- w4-1.(1574. SOC. T COOL INC AT (CAA or CNASYS COO CM NEPTCRS NO SOaTC0N0 rAIRr-Q5-051.1.broirtilo PILOT LIMIT of "OA" UNE 'wit,. ON etworeC CONTROL CV289, 290 AND CVI.290 WITH 12SA7CT ST S Met COTOOOTION SCHEMATIC DIAGRAM 3 ITEM PART NO. T1 6MW-171B T1 6VW-188A T4 7BT-486A T2 7BT-488C T3 7BT-489A or 7FT-513D R1 R2 R3 R4 R5 R6, R15 R7, R8, R11, R18 2CR-193 KR -53 3FR-293 NNR-220 6VR-364 4XR-327 KR -56 R9, R10 R12 R13 R14 R19 R16, 2.20 R17 Cl, C2 C3, C16 C4, C15, C26 KR -57 6VR-366 6RR-375 4XR-334 LR-60 LR-61 KR -54 6RC-436 3HC-274 4XC-394A C11 -I-C6, C7, C8, C9 C10, C13, C23 BC -12 C12 3CC-302 C14 LC -64 C17 6JC-425 C18 4XC-404 C19 C20, C21 C22 C24 LC -65 6J C -426B 3LC-297A IC -47A C25 KC -59 C27 CCC-127 C28 NC -70A 6JS-368U 6JS-386 DESCRIPTION Loop Loop antenna antenna assembly assembly (for (for CV CV -289, -290 CV and C-2V911-a2n9d0)C(Vse1e-2p9r1o)d(usecetiopnrocdh.acnhg.eNNoo. .44) ) Oscillator coil (see production change No. 2) Double -tuned 456 kc first i-f transformer Double -tuned 465 kc second i-f transformer Double -tuned 455 kc second i-f transformer 30,000 ohm 1/2 watt carbon resistor 50,000 ohm IA watt carbon resistor 140 ohm % watt wire -wound resistor 3 megohm watt carbon resistor Volume control .5 megohm with line switch 15 megohm IA watt carbon resistor 500,000 ohm IA watt carbon resistor (see production change No. 6) 1 megohm y4 watt carbon resistor (see production change No. 6) Tone control, 75,000 ohm, with motor line switch 170 ohm 1 watt wire -wound resistor 2,500 ohm 1 watt carbon resistor 20,000 ohm IA watt carbon resistor 200,000 ohm IA watt carbon resistor 100,000 ohm IA watt carbon resistor Two -gang variable condenser 0.002 mf, 600 volt tubular condenser 0.00022 mf mica condenser Trimmers, part of variable condenser. Trimmers, part of i-f transformers. 0.05 mf, 200 volt tubular condenser 0.15 mf, 200 volt tubular condenser 0.05 mf, 400 volt tubular condenser 0.024 mf. 400 volt tubular condenser 20 mf, 150 volt dry electrolytic condenser 0.02 mf, 400 volt tubular condenser Dual 20 0.01 mf, mf, 400 150 volt volt dry tubular ceolencdternoslyetric(ucsoenddoennlsyerwith a.c.-d.c. motors) 0.0005 mf mica condenser 0.006 mf, 400 volt tubular condenser (see production change No. 6) 0.01 mf, 200 volt tubular condenser 04".0d0y0n2ammficmsipceaackoernd(neontseursed on CV -291 or CV1-191) 61/2" permanent magnet dynamic speaker COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 37 ES 1ST. LF. TRANS 5 2NO.LF. TRAMS. S Be 8 27 11rn 41A 4411 GAP 4441 111. 9 4 ro 45 VOLT'S' BATTERY DO EvEREADY 442 coNticer TO LOOPANTENNA. A. EVEREADY NOM{VOLTA BATTERY A+ A- MONO PIMP LEADS A ~ID PO LUG.UNE CORD r8 CRYSTAL PICK UP ARM Me2S-481180 1_40 T 32A MAGNETIC RELAY 4,s0A + 330 TACTS SATTERY OPERAT- OPEN ONCALO.CSESDEBDO.NOf , CLO AT ALL TIMES ON A.C. 0.0. ON SA 4 fg 4 B -YELLOW MODEL --5549 455 KC. I.F. STATION SELECTOR. aVOLUME CONTROL ON -OFF SWITCH. CROSLEY MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS MODEL CG -293 (For A.C. Operation Only) MODEL CG1-293 (For A.C. or D.C. Operation) MODEL CG -294 (A.C. Automatic Record Changer) MODEL CG1-294 (A.C.-D.C. Automatic Record Changer) \43 Emerson Radio and Phonograph Corp. 4I+Ce / 6A8GT If PEAKED AT466 K.C. T3 61(7U T4 6SQ7GT .1C34 25L6GT SPEAKER SOCKET ON CABLE MOM CHASMS. (VII. NOME .1 bellow ca eml41.) O ANCHORAGE HOLE RIO RCN PHONO SOCKET IVIm.....1.e41.6 Wow FOUR POSITION TONE RII CONTROL SHORN IN MAX. BASS POSITION. (VI.. N Maw et rm.) WAVE BAND SWITCH SHOWN IN BROADCAST POSITION, --A POSITION A10.1 POLICE 2 BROADCAST CIS PHONO RADIO SWITCH SHOWN IN PHONO. POSITION Red 51W Ore., RIO C USE AC -DC MOTOR ONLT AC -DC MOTOR PHONO PUJG Dare MN,, N Wm/ imueLb CRYSTAL PICKUP 11;070R M07.0$7-1 SWITCH AZ OR DC UNE ILINE SWITCH 0.'4 VOLUME CONTROL 714 INDICATOR UGHT VRRINO AM) APPARATUS ON MOTOR BOARD SPEAKER PLUG MOUNTED ON SPEAKER ( Ho. war. *I Mr) 25Z6GT L49DG KEY C36T C2S HEATERS OUTPUT TRANSRORMER ON SPEAKER PILOT uGHT NEW LOOKING AT PINS OF BALLAST RESISTOR, WINCH HAS AN OVERALL VOLTAGE DROP OF 49 V AT .3 AMP VOLTAGE DROP ACROSS PILOT LIGHT IS 4 VOLTS. T1, Li 6GT-468 Two -band antenna coil with 455 kc wave -trap T2 6GT-469 Two -band oscillator coil T8 4XT-434CU 456 kc first i-f transformer T4 4XT-435H 465 kc second i-f transformer R1, R2 KR -53 50,000 ohm 1/4 watt carbon resistor RS, R6 PR -79 1,000 ohm IA watt carbon resistor R4 NNR-220 3 megohm 1/4 watt carbon resistor (see production change no. 2) R5 R8 6SR-362 4XR-327 Volume control --250,000 ohms with line switch (see production change 15 megohm IA watt carbon resistor no. 2) R9, R10 R11 KR -56 3FR-293 500,000 ohm t/4 watt carbon resistor (see production change 140 ohm % watt wire -wound resistor no. 1) R12 KR -56 260,000 ohm IA watt carbon resistor R18 KR -57 1 megohm IA watt carbon resistor Cl, C2 L-49DG 6GC-428 Plug-in type ballast resistor. Interchangeable with L49D Two -gang variable condenser C3 NNC-199 0.001 mf, 600 volt tubular condenser C4 6GC-429 0.00064 mf mica condenser C12, C16 6GC-430 Dual trimmer assembly C13 IIC-133A 0.000025 mf mica condenser C14 LC -64 0.05 mf, 400 volt tubular condenser C16, C17 C26, C30 1 BC -12 0.06 mf, 200 volt tubular condenser C18, C21 5AC-384 0.0002 mf, 600 volt tubular or mica condenser C19 3HC-274 0.002 mf, 600 volt tubular condenser C20 LC -65 0.02 mf, 400 volt tubular condenser C26 3CC-302 0.15 mf, 200 volt tubular colulonser (see production change no. 1) C31 3LC-297A 0.01 mf, 400 volt molded condenser (for a.c.-d.c. motors only) C32, C33 ZZC-211 0.03 mf, 200 volt tubular condenser C34 XXC-207 0.005 mf, 400 volt tubular condenser C35, C36 6QC-437 Multiple 20 and 40 mf, 150 volt dry electrolytic condenser C35-20 mf C36-40 mf COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 25 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS _Emerson Radio MODELS: D9-333 and D9-334 I MODELS: D91-333 and D91-334 Ll Loop antenna T4 Oscillator coil T2 T3 I.F. transformers R1 20,000 ohm - w. R3 140 ohm * watt R4 3 me; ohm i watt R5 .5 mec ohm V.C. R2 R6 15 mec ohm -;-17 w, R7 R8 .5 meL ohm k w. R9 200,000 ohm -1- w. C10 0.1 mfd. 200 V. C14 0.05 mfd. 400 v. C4 C15 0.0002 mfd. mica C3 C16 0.002 mfd. 600 v. C20-21 Dual 20 mfd. 150 C22 0.2 mfd. 200 v. C24 0.02 mfd. 400 v. C25 0.01 mfd. 400 v. Location of Coils and Trimmer Adjustments The first i-f transformer is mounted on top of the thassis deck to the right of the variable condenser. The trimmers are accessible through holes in the top of the can. The second i-f transformer is mounted on top of the chassis between the variable condenser and the speaker. The trimmers are accessible through holes in the top of the can. The trimmers for the antenna and oscillator coils are located on the variable condenser. The trimmer on the front section is for the oscillator coil. The oscillator coil is located underneath the chassis. The loop antenna acts as the antenna coil. An oscillator with frequencies of 455 and 1400 kc is required. EXTERNAL ANTENNA CONNECTION LI I2SA7GT C6 I.F. PEAKED AT 455 K C T2 I2SK7GT T3 CT C8 VVVV R2 R4 "'cm -IC4I I2SQ7GT -C24 50L6GT C25 OUTPUT TRANSFORMER ON SPEAKER RB R3 CIS R6 35Z5GT SPEAKER FIELD AC. OR DC. LINE LINE SWITCH ON VOLUME 0000 450 OHMS C20 nC21 CONTROL ON MODEL DO, PARTS R903 r,92Ei_) C22 ARE NOT USED AND BMINUS ---c-,: <e5.R9 -II C A HEATERS SHOWN IN HEAVY LINE)IS 26 GROUNDED TO CHASSIS. 11 .----c,> PILOT LIGHT 0 0 0 tib NN COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS LI C CI a CI 2 C6 6A8GT C7 I.F. PEAKED AT 455 K.C. 6K7GT T4 8 6Q7GT RI 2 R3 C2 R2 WO MA. .Co17r =CI6 .0s C26 .15 IICI8 VAVRA4VAV AARA5 A 3 morholi .fre5, ap. CIS .00Z. , 0/S' mil. C22 II.02 25L6GT C20 ANCHORAGE HOLE RIO RII O SPEAKER SOCKET ON CABLE FROM 0 CHASSIS. (View looking into prong hogs.) 0 P. CD HCD 1: U) 0 *ON MODEL DM OMIT PART C26 AND GROUND B MINUS TO CHASSIS. ON MODEL DM -I PART C26 IS AC OR DC LINE - .0S USED AND B MINUS IS NOT LINE SWITCH C14 GROUNDED TO CHASSIS. ON VOLUME CONTROL 25Z6GT WAVE BAND SWITCH SHOWN IN BROADCAST POSITION. POSITION NO.1 POLICE NO.2 BROADCAST VIEW LOOKING AT PINS OF BALLAST RESISTOR, WHICH HAS AN OVERALL VOLTAGE DROP OF 49V. AT 3AMP. VOLTAGE DROP ACROSS PILOT LIGHT IS 4 VOLTS. L498G KY Q to EMERSON RADIO AND PHONOGRAPH CORP. -4) PILOT LIGHT .0` C25 I-2( SD I CA 04 0H4 H0 OUTPUT TRANSFORMER ON SPEAKER HEATERS (0 0h 0 CO I0- N. (c) CD SPEAKER PLUG MOUNTED ON SPEAKER. (View looking of pins.) SPEAKER FIELD 450 OHMS C.3 2 TI c> C5 0 6K8GT cm! If' PEAKED AT 455K.C. 6K7GT C15 0 Ti ,r)O 1017 C) 0101 6SQ7GT ' 4 6AE5GT 25AC5GT t12 C8 C4, S to TELEVISION ON MODEL DP, PARTS R8 & C25 ARE NOT USED AND B MINUS IS GROUNDED TO CHASSIS. ON MODEL DP -I PARTS RS & C25 ARE USED AND B MINUS En IS NOT GROUNDED TO CHASSIS. X M2 1,000 tri elims C II Tc012042. WAVE BAND SWITCH SHOWN IN 1:0 BROADCAST POSITION POSITION NO.1 BROADCAST NO,2 SHORT WAVE R3 C19 3Ptelfilmom C.o20f Groton R7 .osi" C23 C24 T TONE CONTROL AC OR QC LINE LINE SWITCH ON VOLUME CONTROL 88 200/4" 25 TI5 VIEW LOOKING AT PINS OF BALLAST RESISTOR, WHICH HAS AN OVERALL VOLTAGE DROP OF 42 VOLTS AT .3AMP. VOLTAGE DROP ACROSS PILOT LIGHT IS 4 VOLTS. Brown 25Z6 R9 RIO or ITTA. /MA. C26 O27.1111 C28 029 "T . Tee. L42B KEY HEATERS 4N0 i0-- i0-- 10- i (..0 to tnthg4 t<0o to la .1 r.. 40 to w CNI 4:0 1G EMERSON RADIO AND PHONOGRAPH CORP. 0 Model3 DP -332, DP1-332 U) /2A8GT 35./25-2 /21(761 /2Q767 50Lasr 1 35. /42 a . 005A, rO .03A, C 3.5143 A L VAR 5+0M 3a 3 D UT 1:111175:3 L T-/0./0 . 0541 SOM 30.3 2_ 1.20.5..1841 .005 /0.45 Sas/ Ia/oSp.f/sgi .05 Alf T /0.5 9/4/F67 30-,23 a °-136 AIM .30.23 0 430A .91 30.106 OD NO 0PLI 1J /V-7/10V.S.4/10 OHMS : CHASS/8 25.3/3 35Z56'T "PVT C0/1._ OSC. C0/1- FIELD- 430 -a- 35/42 DCA a C./43 AOC /Z0./7 3.s.if /a 38 T .30,4,41 JToys 20.1035 0 rn N )111 t le //5V 5046 GT /2K7 67 /26.4rg- /6, Qr 7 35256 fi/L 4 MEN 7S CA (1)Ac-AIY-zis (-RR/ 2.541 AC -DC 60 - SEC 475A BO SEC- a 2 A. SW ON Yol Col //c7::456KC. IN. A 01 0.10 0- c1. 135.3 IZA8a7 /21C767 35.125 3022 10.10 /2a767" 35.126 .005 50.5 t 10.45 isi=0 0025 504667 L005 10.45 10.39 (05.134 3 NOTE: -= CHASSIS THovsAND OHMS IF -456 VAR./ABLE CONDEN 5ER 25 30/ 3 5:5 33.114 A B /15V AC-OC ANT COIL A -C PRI - 234- D SLC-4.7:4- OSC COIL B -C PRI. 1.75A A-DSEC. 6-111- CwoiNltNIETC.TE0 / 20., 7 /ROWNOCKOER' E 35/85 V VI N tel SW ON VOL. COA/7: .3.5z56r F/1-1.1, 454-01 /0.7 Khh h k3) )CQ Vn ,1 co K O' n,04 N (4 n(1 'I 0 mrt A>c i r0 X ni Z cp --- A 40 fill NE m,.. -1-1 roPz- >KD >. ir AC1:)-:, z,.. ". 0 ? a rri x i 4, .:4, 03 ...: i..13 -',4 ti ) 74 ict -___A LI 70 -< 1 CP-1 ANT 1YEi LOW /00/10f 35./75 /A767 2504- .2N110 R1 aid Vb --0 vd 0/4.,/ /0/0 TLACK 6N0. VAR, covo2 5. 325A 25./09 TRANSFER 45104 .9,4771.4Y CABLE b l,1 9 0.36,9A A / 2 VA 4147Tigy GREEN A+ 45y ;5' eArrigy BLACM A' , 250w 20,45 45W CP BATTERY Eti-P__P* YELLOW 8' r--,p.F5.7 SW. OA/ VOL, CONT. mulh AC -PC Ole C0/4 35 176 2 NOTE M = 72V00SAMP __J_ = CNASS/S 4 /-2r Re/. 1- 4, Sic. /47 PEAKS 456 /fC TRANSFER SW SHOWN /N,9,12-7,cRy- Aosi 7/0,v 14'56T .005uf /0.45 I I eta /ado 241E 30.28 O 75001 30.44 0/AL L./6 -Hr /20/7 500V-3023 70/97- +l g000ss-/L2 -2510-0 c-Noorz-4a76, 20.19 200 Rto 44,0 32/4FL.1.. 32,41F0 20. 92 - 1...774,40/4- -2- 0341/ /a38 ---ril\-"vvvw-, ru.AmENT2 300 ' 70A76 //S. 733 PM s'IVA KFR /05./42 01 V ..,- /046 G0ND. NLIANT. ,03,(1 /a38 GSA767 -3S. &VP") /A-8° kt, 606 35./57 &at.), 10 W- 6Q76 25 L 6 ;c.) 4,_IF os yodo 0 :Lt) Ui r9 to bi F2.1 ct /5.3 O 200 " RED* YELLOW O /MEG CONT. S0.47A /045 250 M TONE C N7: 55.20 in .-1r/.00.55,/ ro 7/100SAND 01011S - CH,455/..0 25Z5 0 /15 V AC -DC 1-3 0 ..rw.ON VO4. CON T. BALLAST raiz (eor ram YE v) 115.65 F/LAMEN75 N IEPEAK:456KC 343107-5r6 I0 RED 30/0.0 BLUE 2 MA9 720103A T FADARADIO 4 ELECTRIC Co. -17 LONG IS LAND CITY, NY MODEL I-% ORAYVP4 BY (wr, DATE 3-28-3.9 L/.4 oacKso APPROVED VAR COrt0 25.314 35.181 C Ze 6 rl = 3 ' 65A 7 GT 51.'£ 4404v. .034. 10.5 M 30-58 35.152 Cc oG 1115 10 10.5 CD Tr' (c,F , 15.80 Nc00 O 0 251o9 in 10.5 1-1 mom .vvvv, 30.24 L_ BAMO SW 45.S2R PAns -AhtiorV DorTht 4 FOR 2s C1.14 04,W4pAr ONLY COVERAGE 3 /IC am PoLiCE sAmo 1. S.w BAND NOTE 535 -.168o ifc 2 2- 7o 'lc 7 5 -24.0 Mc 115 V AC- X ASrt /0.7 SW Ow VOL Cob .05mt 10.5 1MEG 30.2 2 114E6 2 0 25Z5 t/28r. 2000 s'\o's, 26,05 -; 3o4s- 40. 75 ChlokE 0 0 204.4 3Onro 30.9FD T 245/08c T co BALLAST IF PEAK- 456 KC ANT C01L 35.18/ 3_s11.182 Es 1-1EASVREQIs2__ CHASStS WiEN /000 OHMS PER V00" VOLTMETER L 25Z5 6875T 65870 B 5NORT/N6- SEl 77,0Y OF .51WITH /Or 5 HOwAi FACA RADIO e ElEcTRic co Ow /A.4voCerr _W IL Neva 63 DBAENE a ArE /0-/4-.39 crozo Al.._ Am. go - 251.66 65.A761" 0-0--0-wW\Afra. 7 S 7 1E10. 2 I5" 5 SO,- 6 6 1301... 3 ti 04/5.MAJ2W-013o t. 3 -0-MAAW-0-11VVVVV-0 8Atim3T fOR 110 V. OPERArtow co'? 220 y opERAr,om /15.78 5%79 E C -E = o 7T. 35 ZO LF 35.113. PRI. 22 4', 22. SEC 22- 22 co V IEE 0 // /,6A6G 050.-TRAH5t. 6K7GT 6H4G1 6J7GT II 005 Ce TONE RR 4e0-0 ,P4eTC304, . c' 4)4 OA 1-3 Li SELECTOR CONTROL TUBE SOCKET LOCATIONS NOLULE CONTROL RAND -MO. RECORDING TONE CONTRA CN-OPF;SWITCN ao 5 NEG. Re PICOPCOSTA/ MONO MOTOR 6X5G RECT 401111* 20 WO \/ SWOT O 251 z Li ro w 0 cRtNo 0 P0003 ACTOR LINE CORO RECEPTACLE FEDERAL RECORDER CO., Inc. Model 101 Radio, Phonograph and Recorder Combination O 12SA7 1ST DEIS. OSC. ..00P to ANT. CONNECTIONS FOR EXTERNAL ANTENNA A GROUND. Jr SUBJECT TO VARIATION 1. 12SK7 1.F. T2 1ST U. ro cLer CI 105ME. CSI iiT .1.NOTE: CHASSIS GROUND ONLY -NOT EXTERNAL 11 V. A.C.OR D. BROADCAST BAND I.F. 456 KC. VOLTAGES AT SOCKETS FOR 117 VOLT A.C.LINE. ALL VOLTAGES EXCEPT HEATERS ARE BETWEEN SOCKET TERMINAL L -B (INDICATED BY 'X') ,-ALL POINTS MARKED'e RETURN TO THIS POINT 12507 125K7 123A7 35L6GT wm A.C. OM& A.G. A.C. ON -OFF SWITCH 125Q7 2ND DET. A.V.C. 1ST A.F. AS READ WITH 500,00011 METER C14 .01 MV. C15 35L6GT OUTPUT Re .3-.W1W,1,0-0 X 5 MEG. C12 mm .01 ME. P4 2 MEG. 11 TOOMME. VOLUME CONTROL womm_sx .5 MEG. O hi C13 -C 0 1-3 ro FTI"F. 3525GT A.C. 35Z5GT RECT. Cl) 4 - LI SFFK. o A9 FIELD b-1 2511 OS" 300 ft GREEN SPEAKER Ci3 .A kREO + C13- B 21111.4F. X 5112 Gaxab 1 e -Sk o gmo MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS I a 74 IPSG 1850 Models 940 951 961 Platn, Aro .7 OR . Mee mool ANDorC__-I 0 C KMI 541056oAr tIv /ass oc eQ WHO @ARC AO Ar /47E9 LOOKING or RPM £80 Or CO'L Of MD C14764 MC -1r Eta. -Mn MODEL 940 /P SC 000.1. IPSG MSG Ga.mbl e ogmo ,- -11-+IgSG So macro, ore cor art mart era PP -00C "ID t- /4729 LOW," AI 'CNN CND Or Mt ® PI MO (14704 If CrfOrter raf IfC C IrSpoderef r 540 Ac ro 11,3, eceo 0:D.. 6576 Mel (la RIO" ova SMACK Title. 1100. $000 MODEL 951 .6776 AI Ag_ 4orr. 0 OWL A019 lf0D0r. pir (ALP 911421- GOOD l(AO 38 Mn. rosys /404.5 6 V. sw Off WC cony. D C. IN ,INIC CAN if eirroUrrOC- 456 ND 60 O c. rrowewcy- 545,725PC /MO yG , fScr Or DC , Ar Part Or C vo MODEL 981 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS SYMBOL 8 c., X C-2 C-3 C-4 :31 C-5 C-6 C -7A 5 C -7B C -7C C -7D W C -C7-7FE ,.4C-8 C-9 C-10 C -12a C -12b C -12c C -12d C-13 C-14 W C-15 C-16 C-17 C -I9 C-20 DESCRIPTION SYMBOL Tuning condenser "D" band antenna trimmer "C" band antenna trimmer "D" band oscillator trimmer "B" band oscillator padder "B" band oscillator trimmer 100-490 mmf. trimmer 100-490 mmf. trimmer 100-490 mmf. trimmer 20-180 mmf. trimmer 20-180 mmf. trimmer 7-65 mmf. trimmer 750 mmf. silvered mica capacitor Adjusted silvered mica capacitors Adjusted silvered mica capacitors 40 mfd. dry electrolytic 20 mfd. dry electrolytic 20 mfd. dry electrolytic 20 mfd. dry electrolytic 2000 mmf. mica capacitor 5600 mmf. mica capacitor 100 mmf. mica capacitor 100 mmf. mica capacitor 680 mmf. mica capacitor 22 mmf. mica capacitor 4700 mmf. mica capacitor C-21 C-22 C-23 C-24 C-25 C-26 C-27 C-28 C-29 C-30 C-3 I C-32 C-33 C-34 C-35 L-1 L-4 L -5A L -5B L -5C L-5 D DESCRIPTION SYMBOL 50 mmf. mica capacitor .05 mfd. paper capacitor .05 mfd. paper capacitor .05 mfd. paper capacitor .0072 mfd. paper capacitor .005 mfd. paper capacitor 0.1 mfd. paper capacitor .002 mfd. paper capacitor .01 mfd. paper capacitor .005 mfd. paper capacitor .02 mfd. paper capacitor .01 mfd. paper capacitor .01 mfd. paper capacitor. .05 mfd. paper capacitor .001 mfd. paper capacitor Beam -a -Scope Antenna choke Touch Tuning (Code-Blue) trimmer coil, Touch Tuning trimmer coil (Code-Blue) Touch Tuning trimmer coil (Code-Blue) Touch Tuning trimmer coil (Code-Red) L -5E L -5F M-1 M-2 M-3 M -4 M-5 M-6 P -I P-2 P-3 P-4 P-5 R-1 R-2 R-3 R-4 R-5 R-6 R-7 R-8 R-9 R-10 R-11 DESCRIPTION SYMBOL DESCRIPTION Touch Tuning trimmer coil (Code-Red) Touch Tuning trimmer coil (Code-None) Phono motor. 60 cycles Phono motor. 50 cycles Phono motor, 25 cycles Phono motor, 60 cycles Phono motor, 50 cycles Phono motor. 25 cycles Pilot lamp. MAZDA No. 44 Pilot lamp, MAZDA No. 44 Pilot lamp. MAZDA No. 44 Pilot lamp, MAZDA No. 44 Crystal Pick-up Volume Control 22.000 ohms carbon 2.2 megohms carbon 470.000 ohms carbon 56.000 ohms carbon 15 megohms carbon 220,000 ohms carbon 1.0 megohms carbon 3.900 ohms carbon 3.300 ohms carbon 100.000 ohms carbon R-12 R-13 R-14 R -I5 R-16 R-17 R-18 R-19 R-20 R-21 S-1 S-2 S -3a S -3b S -3c S -3d T-1 T-2 T-3 T-4 T-5 T-6 T-7 330.000 ohms carbon 220 ohms 2 W. carbon 3,300 ohms 2 W. carbon 47,000 ohms carbon 470 ohms carbon 47,000 ohms carbon 150 ohms carbon 68 ohms carbon 100.000 ohms carbon 1.0 megohm carbon resistor Band switch Tone switch Power switch Manual s -itch Station selector switch P"Cho"naognradph"Dsw" itbchand antenna transformer Output transformer Power transformer. 60 cycles Power transformer, 25 cycles Oscillator transformer for all bands 1st I.F. transformer 2nd I.F. transformer 6SA7 1 6 K7 (-II __ 6H6 6SF5 .c3° 6J5G C31 LI r 0 0 C27 SI L4 12 II Li , LT C2 SI e: 9 :9 ; col R8 27 L _ VJ R2 T6 T7 R16 R7 CI6 eI5 C29 RIO w: R RI5 C2 ":1 -0S4P-*is*S" 3 ; RI I C23 Tr R5 C28 T P4 P3 - P2 PI T3-T4 -0 g .-..-_-5-2~4A2C242-:4 RI7 I W T 1 lif1 ! L5 ' $ : ILCI5'li-!1;S°3C 671 r 1 ..1_.._.4 8 II* ' P° eg 3 .Le a SI 4 8 0 4 SI aci qCa . AINIIIIIIMMI b. C' 1 T5 :e : C. iF081,1--c13 TCI9 lc, i V21 i60-4-..-- t eg li R19 1°''t C4 L8 CI7 147110E I 5Y 3G I C24 R9 RI4 v vv I .F . 455 KC. I I I I I a I R21 NOTE -PARTS S LINES SHOWN DOTTED ARE TO SE LTICI2c fl1.1C12 '''' f 1C128 It ,7,i --+- R20': OF C35 _ _ _ -I. I 7 k I P5 L_ - I I I I I I / : I 4114;1 I His/ I IOW I ADDED IN CIRCUIT FOR NTS SPITS RECEIVERS ONLY e7_,2-77_1_2_ MI M HT. coaert(tAM2 M5 4}m /sow 3 M6 L6 4S2 S64111 R44 6307 C24 C2I C22 Ft9 Re cm C R4 C20 RII CN_ 114 ,R29 C27 R o S3 6 RI R22 R42 0 01 S3 IV_V R25 C3 R26 AA! C31, Symbol 5 C-1 C-3 CO -4 C-5 C-8 C-7 C-8 G99 C-10 C-11 trj C-12 C-13 po C-14 C-15 C-18 W C-20 C-24 C-25 0 C-26 C-27 DMC-28 C-31 C-32 0 Z C-35 C-3 C-376 a C -37b C -37c CO C -37d C-38 Description Symbol T"Cu"niBnganCdaApanctietonrna Trimmer "D" Band Antenna Trimmer "B" Band Oscillator Trimmer "C" Band Oscillator Trimmer "D" Band Oscillator Trimmer "B" Band Padder 1600 mmf., Mica Capacitor .5% 4300 mmf., Mica Capacitor .5% 750 mmf., Silvered Mica Capacitor 150 mmf., Mica Capacitor 0.1 mfd.. Paper Capacitor 47 mmf., Mica Capacitor 0.1 mfd., Paper Capacitor 47 mmf., Mica Capacitor .25 mfd., Paper Capacitor 100 mmf., Mica Capacitor 47 mmf.. Mica Capacitor .0015 mfd., Paper Capacitor 470 mini.. Mica Capacitor .01 mfd., Paper Capacitor .01 mfd., Paper Capacitor .003 mfd.. Paper Capacitor .05 mfd., Paper Capacitor .05 mfd., Paper Capacitor 20 mfd.. 25 V. Dry Electrolytic 20 mfd., 250 V. Dry Electrolytic 20 mfd., 250 V. Dry Electrolytic 40 mid.. 250 V. Dry Electrolytic .02 mfd., Paper Capacitor C-42 C-43 C-45 C-46 C-48 C-49 C-50 C-52 C-53 L-1 L-2 L-3 L-4 L-5 L-8 L-7 L-8, 9 L-10, 11, 12 R-1 R-2 R-4 R-5 R-8 R-9 R-11 R-13 R -I5 R-17 R -I8 Description .01 mfd., Paper Capacitor 7-65 mmf., Antenna Trimmer 20-180 mmf.. Antenna Trimmer 20-180 mmf., Antenna Trimmer 100-490 mmf., Antenna Trimmer 100-490 mmf., Antenna Trimmer 100-490 mmf., Antenna Trimmer .25 mfd., Paper Capacitor .08 mfd., Paper Capacitor Beam -a -Scope "C" Band Antenna Coil "D" Band Antenna Coil "B" Band Oscillator Coil "C" Band Oscillator Coil "D" Band Oscillator Coil Tuning Coil (Code-None) Tuninc Coil (Code-Red) Tuning Coil (Code-Blue) 22,000 ohms. Carbon Resistor 1.0 megohm, Carbon Resistor 47,000 ohms. Carbon Resistor 330 ohms, Carbon Resistor 47,000 ohms, Carbon Resistor 220,00 ohms, Carbon Resistor 2.2 megohms, Carbon Resistor 2 megohms, Volume Control 15 ohms, Carbon Resistor 330,000 ohms, Carbon Resistor 68.000 ohms. Carbon Resistor Symbol Description R-20 3.3 megohms, Carbon Resistor R-21 270,000 ohms, Carbon Resistor R-22 220,000 ohms, Carbon Resistor R-23 150,000 ohms, Carbon Resistor R-24 100 ohms, 3.4-W. Wire Wound R-25 2400 ohms, 2-W. Carbon Resistor R-26 2200 ohms, 2.6-W Wire Wound -675-4-bet R -2B 88 ohms, Carbon Resistor R-29 47,000 ohms, Carbon Resistor R-33 1000 ohms, Carbon Resistor R-34 1000 ohms, Carbon Resistor R-40 33 ohms, Carbon Resistor "e'S 3e>" R-41 4.7 megohms, Carbon Resistor R-42 100.000 ohms, Carbon Resistor R-44 4.7 megohms, Carbon Resistor R-45 15,000 ohms, 1-W. Carbon Resistor Trimmer Location R-46 270 ohms, Carbon Resistor P -I Pilot Light, MAZDA No. 44 P-2 Pilot Light. MAZDA No. 44 S-1 Antenna Band Switch S-2 Oscillator Band Switch S-3 Tone Switch General Electric S-4 Phono. Switch S-5 Power Switch S-6 Manual Switch S-7 Antenna Section, Touch Tuning I.F. 455 KC. Switch S-8 Oscillator Section, Touch Tuning Switch MODEL H-87 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS General Electric MODEL H-400 FRONT OF 045541 04 v00.411, 101....1[0 VW. NICEST 71.0., ^^ 1_ .. GENERAL INFORMATION Model H-400 is a compact four -tube AC -DC tuned radiofrequency receiver that tunes the standard broadcast band of frequencies and one police band. One side of the power line is connected directly to the chassis ground; therefore, caution should be exercised in servicing. to WinhseenrtotpheeraptoinwgefrropmluagDwCitshotuhrceeporfoppoewr eproiltairsityn.ecIefsstahrey receiver fails way, reverse to function with the power the plug. If any hum is plug inserted noticed when one the receiver is used on A -C, reverse the power plug as above. ALIGNMENT Connect the high side of the signal generator through a 100-mmf condenser to the terminal to which the antenna hank is soldered. The low side of the signal generator output should be connected to the receiver chassis through a .05 mfd. condenser. Connect a suitable output meter across the voice coil leads; then proceed as follows: I. With gang condenser plates completely closed, the tuning index should be over the last calibration mark on the dial. 2. Set volume control to about Yi of maximum. 3. Rotate gang to minimum capacity and tune trimmers on the gang condenser to 1750 KC signal. Re -tune gang to 1500 KC signal and peak trimmers by alternate adjust- ment. 35Z SOT 12F5OT 501.60T *VTR BOTTOM V1DF 01,04564 I C3 1287 LI SOO RI c211- I2F5GT R3 II C7 R4 C4 C6T 50L6GT 71 110 SPEAKER Symbol Description Symbol Description COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 39 C-1 Tuning Condenser C-2 .01 mfd.. 800 V. Paper C-3 .001 mfd., 800 V. Paper C-4 .005 mfd., 600 V. Paper C-5 .01 mfd., 800 V. Paper C-6 330 mmf., Mica C-7 .01 mfd., 800 V. Paper C-8 .02 mfd., 800 V. Paper C-9 20 mfd., 150 V. Dry Electrolytic C-10 40 mfd.. 150 V. Dry Electrolytic L- I Antenna Coil L-2 R.F. Coil 35Z5GT P-1 Pilot Lamp, MAZDA No. 47 R- I 30,000 ohm, Volume Control (300 ohm stop) R-7-2 75 ohm, 2-W. Carbon R-3 4.7 megohm, A -W. Carbon R-4 1.0 megohm, Carbon R-5 1.0 megohm. -W. Carbon R-8 R-7 150 ohm, A- . Carbon .k 5% 4700 ohm, Carbon MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 6SA7 6SK7 6507 6J5GT CS 25L6GT y L CI C25 - c CIO 6-11-6 RS 07 C12 R3 R2 C14 C7-- 4 +-.74 R6 C3 C26 RI5 *C8 IN ns C26 RI3 C24 Symbol Cl C2 C3 C7 C8 C9 CIO C13 C14 C16 C17 C18 CI9 C20 C22a C22b C24 C25 C26 C28 Ri R2 fh 6507 a 6SA7 25L6GT RM Description List-Models H-600, -601, -610, -611 6J5GT 6SK7 25Z6GT Description Antenna section of tuning condenser Oscillator section of tuning condenser "S" band padder .05 mfd. paper capacitor 0.1 mfd. paper capacitor 3900 mmf. +.5% mica capacitor .01 mfd. paper capacitor 470 mmf. mica capacitor .002 mfd. paper capacitor .02 mfd. paper capacitor 470 mmf. mica capacitor .005 mid. paper capacitor .005 mfd. paper capacitor .01 mfd. paper capacitor 50 mfd. 150 V. dry electrolytic 30 mfd. 150 V. dry electrolytic .05 mfd. paper capacitor .01 mfd. paper capacitor 47 mmf. mica capacitor 0.1 mfd. paper capacitor 33.000 ohms carbon resistor 2.2 megohms carbon resistor Symbol R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 LI L3 L5 L6 L7 L8 P1 Ti Description 470,000 ohms carbon resistor 2 megohms volume control 470,000 ohms carbon resistor 15 megohms carbon resistor 470,000 ohms carbon resistor 1.0 megohm carbon resistor 3300 ohms carbon resistor 39,000 ohms carbon resistor 470,000 ohms carbon resistor 150 ohms carbon resistor 1000 ohms carbon resistor BL42B ballast resistor 470,000 ohms carbon resistor Beam -a -Scope Oscillator coil 1st I.F. transformer 2nd I.P. transformer Speaker voice coil Antenna choke, ly4 MH Pilot lamp. MAZDA No. 44 Output transformer General Electric Models H-600, -601, -610, -611 T I L7 C20 TO R9 TO S2 ON 14-601 &I4 -6I1 RECEIVERS SUBSTITUTE TIBS TRANSFORMER(T-I)FOR ONE Suomi ABOVE. ANT. O YELLOW YELLOW OWE L5 LS RED TO C225 Ica R1) C LIII 40 I COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS General Electric Model HB-412 Symbol Description Symbol Description Symbol Description C -1A C -1B C-3 C-8 C-9 C-10 C-11 C-12 C-13 C-14 C -I5 C-16 C-17 C-18 Oscillator section tuning condenser Antenna section tuning condenser Oscillator padding capacitor 47 mmf. mica capacitor 220 mmf. mica capacitor 220 mmf. mica capacitor .05 mfd. paper capacitor 0.1 mfd. paper capacitor 0.1 mfd. paper capacitor 220 mmf. mica capacitor 0.1 mfd. paper capacitor .002 mfd. paper capacitor .01 mfd. paper capacitor .004 mfd. paper capacitor C-19 C-20 C-21 C -22A C -22B L-1 L-2 L-3 L-4 R-1 R-2 R-3 R-4 R-5 0.2 mid. paper capacitor .01 mfd. line capacitor 100 mfd. 5 V. dry electrolytic 40 mfd. 150 V. dry electrolytic 20 mfd. 150 V. dry electrolytic Beam-a-Scopt Oscillator coil 1st I.F. transformer 2nd I.F. transformer 1.0 megohm volume control 220,000 ohms carbon resistor 47,000 ohms carbon resistor 150 ohms carbon resistor 560 ohms carbon resistor R-6 R-7 R-8 R-9 R -l0 R-11 R-12 R-13 R-14 S-1 S-2 T-1 2.2 megohms carbon resistor 15 megohms carbon resistor 1.0 megohm carbon resistor 1800 ohms carbon resistor 470,000 ohms carbon resistor 3.9 megohms carbon resistor 680,000 ohms carbon resistor 1.5 megohms carbon resistor 27 ohms carbon resistor Power switch (on volume control) AC -DC or Battery switch Output transformer CONY- OSC. IA7GT I.F- DET. AUDIO-AVG 3ABGT CI* L 1 CII -1-C8 L2 I- gdn..' ar C3 4T1 RED C12 = C13 IC19 CI5 I.F. 455 Y.C. 4. ALTERNATE CONNECTION .6.'..FOR C15 C raj 21 NOTE -.S 2. SHOWN IN BATTERY POSITION. YELLOW L4 BAT. OUTPUT IT5GT C4 7 4-r" GREEN R12 R6 "0"*".`'`' RI3 c8 6 o S2 R5 .RED SPEAKER Ye._ LOW S2 R9 C14 C2 2 s C22 CjLJ-44 117 L7-7 C20 6V ANT LI SCI R3 C2 C3 6ABG General Electric Model HM -21 Symbol Description PICKUP 4 R2RI C5 a J -R6 [3_41, 84 C5b C-1 C-2 C-3 C-4 C -5a C-56 C-6 L-1 M-1 R-1 R-2 R-3 R-4 R-5 R-6 S-1 T-1 300-850 mmf. tuning trimmer 100 mmf. mica capacitor 0.1 mfd. paper capacitor .005 mfd. paper capacitor 10 mfd. dry electrolytic 10 mfd. dry electrolytic .01-.01 mfd. line capacitor Oscillator coil Motor 120.000 ohms carbon resistor 1,200 ohms carbon resistor 47.000 ohms carbon resistor 47,000 ohms carbon resistor 1.0 megohms carbon resistor 6,800 ohms carbon resistor Power switch Power transformer COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 41 SYMBOL C- la C -lb C -1c C -2a C -2b C -2c C -2d C -2e C-3 C-4 C-5 C-6 C-7 C-8 C-9 C-10 C-11 C-14 C-15 C-16 C-17 C-18 C-19 C-20 C-21 DESCRIPTION "D" band oscillator trimmer "ID" band antenna trimmer "C" band antenna trimmer 7-65 mmf. station trimmer 20-180 mmf. station trimmer 20-180 mmf. station trimmer 100-490 mmf. station trimmer 100-490 mmf. station trimmer Tuning condenser "B" band oscillator padder 2000 mmf. mica capacitor .5% 5600 mmf. mica capacitor .s5% "B" band oscillator trimmer 0.1 mfd. paper capacitor 750 mmf. silvered mica capacitor 5% 47 mmf. mica capacitor .05 mfd. paper capacitor .05 mfd. paper capacitor 0.1 mfd. paper capacitor 100 mmf. mica capacitor .005 mfd. paper capacitor .0072 mfd. paper capacitor .005 mfd. paper capacitor .01 mfd. paper capacitor .0015 mfd. paper capacitor SYMBOL C-22 C-23 C-24 C-25 C-26 C -27a C -27b C -27c C -27d C-29 C-30 C-31 C-32 C-33 C-34 C-35 C-36 L-1 L-2 L-3 L-4 L-5 L-6 L-7 L-8 DESCRIPTION .05 mfd. 250 V. A. C. moulded capacitor .005 mfd. paper capacitor 100 mmf. mica capacitor .02 mfd. paper capacitor .01 mfd. paper capacitor 50 mfd. 150 V. dry electrolytic 50 mfd. 150 V. dry electrolytic 50 mfd. 150 V. dry electrolytic 20 mfd. 25 V. dry electrolytic 0.1 mfd. paper capacitor 4700 mmf. mica capacitor 4.5% 22 mmf. mica capacitor 05 mfd. paper capacitor .05 mfd. paper capacitor .01 mfd. paper capacitor .002 mfd. paper capacitor 0.1 mfd. paper capacitor L"Coo' pbaanndteannntaenna coil "D" band antenna coil "B" band oscillator coil "C" band oscillator coil "D" band oscillator coil Station coil trimmers Antenna choke SYMBOL M-1 M-2 M-3 R-1 R-2 R-3 R-4 R-5 R-6 R-7 R-8 R-9 R-10 R-11 R-12 R-13 R-14 R-15 R-16 R -17 R-18 R-19 R-20 R -2I R-22 P -I, 2 DESCRIPTION 60 cycle phono motor 50 cycle phono motor 25 cycle phono motor 22,000 ohms, carbon resistor 470,000 ohms, carbon resistor 2200 ohms, carbon resistor 2.2 megohms, carbon resistor 470,000 ohms, carbon resistor 56,000 ohms, carbon resistor 2 megohm volume control 15 megohm%, carbon resistor 220,000 ohms, carbon resistor 1 megohm, carbon resistor 3300 ohms, carbon resistor 220,000 ohms, carbon resistor 470,000 ohms, carbon resistor 150 ohms, carbon resistor 560 ohms, carbon resistor Ballast tube BL42D 47,000 ohms, carbon resistor 47,000 ohms, carbon resistor 150 ohms, carbon resistor 68 ohms, carbon resistor 390 ohms, carbon resistor 100.000 ohms, carbon resistor Dial lamp, Mazda No. 44. tot= kfr-1 Oaosoapo Pbo re fi "11 a a DO c. C 0 hi 041. 7 LI 1 C29 IQ c II 2 s RI7 1 8c 21--C30 S I i3/ S2a A 4-Aj, C2 lilt-. ^k 4 a Zo L34i-4 6SA7 RI T5 3 - r C12a -32 6SK7 13a C12b 21 1 1 0.4 \ n.- R3 R4 6SQ7 6 J5G 6 1C13b C23 21 C161 ! 24 S34 cn 9 2 7a 1 1 CI4 20'3313 # T4 31 la C9 ax Ar Tit A Sapt- L7 CI5 R2 S2c R18 _C17 °1233 34 2C).40 7 6R Re 3galg b36 ' Pu0110 +ACK L< > - rII 1-13 I.F. 455 KC. *PARTS S LINES SHOWN DOTTED ARE TO BE ADDED IN CIRCUIT FOR H636 ONLY. I °-MI-IIM-2-M3 *S4 25L6G Ys 1-3 TI T2 1 SPEAKER C 27d R14 25Z6G R 15 S3b C22 6507 SSW/ 2SL6G MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS w a 61i A CD General Electric Model HJ-61 L F. Alignment vca(uotopnCtl)hud.oemennlneoseewccrotpenanltandrtoeoolsuftatotpnhudmetssamecxtaeitlmtheee.urTdmaihca.rrlooCpwsosoittmnhhteeperlvbetoatoeincltdyehesccwofloiiirlsts'c.ethRdthoitaoetla"tmeBgaatCnhrkg"e N acoDlouloSntIp.tenFrutoo.t tlttaerrgsisemrltmiodmowosoevcrfaesistlthflahoaeertro6em6aSrSdaAtAaxo7bi7m4ltegu5umrb5miedeKtmtelhCereratroedeuraa.gnrdKehidaneadgeaip.pnw0gpt5ih.llylemptsfeedirsg.mtncoiaats.plcAatilocdliajttutohosretr. R.F. Alignment ee croPddlmueooeuesucoanntaiAempngpsnkiupevgnemc(rtpeecC..oarlytt.CyRnni-acA1ntheaIao1getl.alriR1c)rlngtiyot5mhog.neEu0eencd(n0.aoCastdttduhioKn-g1up2leten5Ctme)lh5ae0anaed8mdsl0tni0ts1gbatyKoio5neKgtC5a0tanetwCn80hl.art0emeelKeseiinKrtgiCngehnneCnceatanaaherlenalietfvrndhoobasedrrryptirogoeRtturnrhuaBog.akrnoFceholeuk.a(uCtmgiraapgneel-ughics1-ngatte)etaanifwh-rvnonmSaeehrdctareogiaomcdntarrpohaddtneax.idgscnItiiWoai.mdgRocnnhnuont.ahebEonmalnee-t.l. Throw the band switch to "SW" 2500 KC. band. Peak (C-16) on 8 o- g c W4g1A=°-Sq at ID 4, 0,5,00Eco-0a=9n = -§.§.44,.. o ''honc°!m87oiEr.trs§8=' O `"? `"? cc4rretZcir'c'Cc4E1, E Ei tttt '-d"11 FRONT OF CHASSIS 4 X J3 m.0 Kt CO 00000'Of 6060(36 5a a.a 1..cea BOTTOM VIEW OF CHASSIS VOLTAGES MEASURED BETWEEN SOCKET TERMINALS AND MINUS B * KASURED ON 230 VOLT SCALE Of 1000 OHMS PER VOLT METER ff VOLTS AC. 43 I- m0.0°?,-.01MTP LINE VOLTS-JITAC GANG CLOCE4 MAX. VOUJME "?,,"-`40? UUUUUUUUUUUUUU COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS SUPER DEFIANT MODEL SX25 RESISTORS NO. RI 2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20 21 22 OHMS 100,000 400 100,000 10,000 500 100 3,000 100,000 400 500 3,000 100,000 400 50,000 30,000 15,000 4,000 100,000 500,000 800 3,000 1,000 WATTAGE 1/3 II w R. F. Gain S Meter 1/3 It ,1 w II II II It II 1 1 I 1/3 II It II NO. OHMS 23 3,000 24 50,000 25 250,000 26 100,000 27 250,000 28 2,000,000 29 1,000,000 30 500,000 31 250,000 32 250,000 33 250,000 34 250,000 35 200,000 36 250 37 20,000 38 15,000 39 15,000 40 150 41 50,000 42 20,000 43 8 WATTAGE 1/3 It w II w w II A.F. Gain 1/3 II II It w 1 I I 1 1/3 1 1/3 CONDENSERS NO. CAPACITY VOLTAGE CI Main Tuning Gang 2 2 PL.Bd.Spr.Sec. 3 5 II II II II 4 .01 mfd 200 5 .05 mfd 200 6 .05 mfd 200 7 .02 mfd 400 8 .05 mfd 200 9 35 mmfd 10 .05 mfd 200 11 .02 mfd 400 12 .05 mfd 200 13 5 mmfd 14 35 mmfd 15 .05 200 16 .05 mfd 400 17 .02 mfd 400 18 4.5 mmfd 19 10 mfd 350 20 .05 mfd 200 21 25 mmfd 22 1.5 to 18 mmfd "TXS" 23 1.5 to 18 mmfd 24 .05 mfd 200 25 .02 mfd 400 26 .05 mfd 200 27 .02 mfd 400 28 50 mold TYPE Paper Paper Paper Paper Ceramicon Paper Paper Paper Ceramicon Ceramicon Paper Paper Compensating Electrolytic Paper Phasing Trimmer Trimmer Paper Paper Paper Paper Mica NO. 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 CAPACITY 100 mmfd 3 mmfd .02 mfd .02 mfd .05 mfd .002 mfd 250 mfd .05 mfd 10 mfd .05 mfd 10 mfd .002 mfd .1 mfd 10 mfd 30 mfd .01 mfd 100 mmfd 500 mmfd .02 mfd 105 mmfd .002 mfd 105 mmfd 2300 mmfd 1400 mmfd 450 mmfd .1 mfd 700 mmfd VOLTAGE 400 400 200 1,600 400 25 400 25 1,600 400 350 350 600 400 200 TYPE Mica Twisted Pair Paper Paper Paper Tubular Oil Mica Paper Electrolytic Paper Electrolytic Tubular Oil Paper Electrolytic Electrolytic Paper Mica Mica Paper Ceramicon Mica Ceramicon Dual Pad Single Pad Dual Pad Paper Mica SWITCNES wow SWI - AC ON -OFF on A.F. Gale Control SW4 - A.N.L. ON -OFF SPST SW2 - Stand-by SPST SW5 - High -Low Tone SPST 44SW3 - B.F.O. ON -OFF SPST SW6 - "S" Meter on R.F. Gain Control. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 6SK7 6K8 6SK7 6SK7 6S07 Apr ti 6K8 6307 6H6 6F6 6J561 VI 0.1 cz tii =fit -gr C1311/01461. 1-11. T"' 6J5GT hvG lOcCrk I,mu,' Ill A 1 0111.14,0. .0 F 80 6507 ;`. AM. 6F6 -G Rf 6F6 -G P., C PO VC,' PA woo 41,4 .-f;8 SOO (13-01 701 bir` 00114CIES h011icrOttert //IC. SCHEMATIC niaGPAu - SUPER orrhovr MODEL SY -25 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS JA7G 10 M4 1 1145G 11156 QTQ 4/- 134 it fIk .0/ I It 42 IfFa -; e. Ha MUM/ corrset .300,000.- .0/ IC 56 .006 V 01 I 8-805 10 1.1.f.Q 200 V. .1 M.F.D. .00001 PAD. V NOTES BROWN SLUE A -f 0 O.,/IA+ Ii V. ifo... - -- , ut...-45 V. .---. (0 0\I 15 - 8 \(3 \ ))/1EW WITH DOWN ---- / +45 V. LE 465 K.C. P.S.T. SWITCH. when adjusting this pad, more the tuning hand beck and florth and adj ut padder until the peak of greatest intensity is obtained. 0 WO tc5G view 0 HOWARD RADIO CO. MODEL 121) 10-27-39. 'WIG. NO. 064-715 SERVICE NOTES It is necessary that tile IN5G tube be shielded. See that the shield is firmly in place around the bottom portion of the tube. OWN. SY. CHM SY. APPVD. SY. R.15. M. `4"`"`-k 4fie The intermediate frequency of this receiver 13 465.i:C. The trirracre and padding condenser adjustments are accessible throuct bottom of cabinet. Color node of battery leads:- Red WO; Black B-; Brown A-; Blue A + 11; V. Leah step of the alignment ahould be repeated in the original order for greater accuracy. Keep output frost Signal Generator low. The I.F. trimmers are reached through the too boles on the top of each I.F. can. RECCMEND BATTERY KITS EVEREADY li V. "AP I Required 740 BURGESS 20:F For greater economy use two "A" colle in PARALLEL. Connect plus to plus and minus to minus. See that the tuning hand is set exactly on the Last line above 54D when the condenser is at maximum *spec - ltv. The following dummy antenna airouit 45 V. "EP E Required 749 D60 is recommended, since it is adoptable for any frequency range. The grid sap should remain in aloe during alinement. Combination "A" and EP Single Unit. 48 745 17G060 Use Adaptor .../. .0"ilewo .0002 -LI' GEM et0.-roa. "" ."".... %.1." IF Leikn sb - 2 0 MOM.. t Powell MEC. ANT 400 it. Iszc.m 0 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 6 A8 T OK 7 6Q7GT 6K 66T LOOP C> c) .> Tiado x a c, 23-934 '2 15," -I- Mel 20 M3r0 C .0) tor-, 11 .z. SPEAKER nl /0-00S it7i-O7r: 4 ao.ocoo... /300-4 000 0 0000 lithwro PIP0 CS 80 C5 -C4 -CS ELECT. COND. 31 -166 RUIZ FUNCTION ODE. afil) PLATE 6 Lamar 4.5 106 DiS5 6917 17 4.5 105 195 Dolt. 60 el/ Output 16 195 185 TOP VIEW 115 Y 60 - 0 0 0 1' PWR TRANS '27-710 //CV - f -930 1.14: 230 - -0", Howard Rad i o Model 300 05 U5C SEC 4,94./te AG ANT. SEC IS /1004Z 0 4 GS' - 13p` 4 go'SKC APNP 1 --..-...--.--a---.....,-.,.... Wave -Band Position / switch of Dial Position jointer Generator ,requency C. re t or Connection see Note Trierers Adjusted ( In order shown) TFhuinjzcitaisorn x Min. Cap. 465 KO 6AB Grid A.E I1 12 13 14 Ijf 1 x 1400 KC 1400 KC Brown lead D 05 A6 Oac. & Ant. 600 KC 600 KC Brown lead OITT PLATE OW. =TICE GSv( 0 Afo-rEgareoaht.e.erteapccoufrathcey.aligKnemepenotustphuotuflrdombeArecptueaalteGdeninertahteoroloriwg.inaTl hoerdIe.Fr. tBqrui-emWncmyhe.ernsFaaolriregenrxeinaagcmhtphelede,athbifrootrhtuegwhaadvtjheuesbttaw-nadonsth, iodsloecsnoorortneactdthljyeustmtopatdooetfhaeetaI2cM1hAMIG.FCE.,fctrahen-e.n aonwtehaekedriLali.mes will be heard at 21,000 KC less 930 KC, or about 20,070 KC C- Mien adjusting just padder. until this pad, the peak mofogvreetahteestut ninintognbeadndtybiascokbatnadinefodr.th and ad- 0- See that the tuning hand is set exactly on the last line above the condenser is at maximum capacity. 540 when E- The following dummy antenna circuit is able for any alignment. frequency range. The grid .o;limFo cap eoat_L'. rem:Landed, since it is should remain in place r LE.Sc wwirs adaptduring LOOP GE' itvC_-; r--17 r r _ _ = z-Ar02,N00-- c, A SOCKET VOLTAGE READINGS Voltage taken from ground with line voltage at - 117 AC. High voltage reading off rectifier *275 V. Drop across speaker field w 75 V. Voltage taken with 1,000 CBac per volt cater - COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS Ammiliammommv MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 6A6GT (*KT 607 GT 6K6GT -1-.0151 77' A .L0 /9" vt"'V -:OCTET VOLTAGE MOMS Voltage token from gratind with line voltage at High voltage reading off rectifier - 695 V. Drop across speaker field 75 If. voltage taken with 1,000 Otss per volt meter - 117 AD. FUNC11011 difb KATE Diger 4.6 105 6..%7 TT 4.6 105 195 4- Dirt. 60 Las oatvt_t. 16 195 lak_j 115 V. I.F. 465 KC k.-9-Ee! caT 1004 wig 54 es 60 rer(rP.e(p4 -rCeS p.-4 1.50 TAWS .17.1,3 //SY se-- ',11.41 se *0~ 4,0.- HOWARD RADIO CO. 1140061. 306 CAVG.NO. D62-715 J 10-13-38 012. HB 5 m U 0 4. NoTrc A- -itch step of tNa aligiumnt should be repeated in the ori4nal order for greater accuracy. Keep output from .Armal Generator low. The I.T. trioners are reached through the tee boles on the top of *soh I.F. ten. B- hem aligning the short MITe bands, do not adNst to the IMAGE frequency. For example, if the adjust-I.:et ie correctly made at 21 VC, then a seeker image will be heard at 21.030 EC lees 930 PC, or about a0,070 IC on the dial. C- hen ai.jueting this pad, move the tuning hand back end forth end adjust padder urtil the peek of greatest in- tensity is obtained. 1)- :Ate that the tuning hand is set exactly on the last line above 540 whoa the condenser is at maximum OSAC- ity. G 00 KC Wave -Band Position 2,witch of Dial Generator Pomition Pointer Frequency DC - Min. dtp 465E0 SD 16 MC 16 MC 48 PD DC DC COMPILED BY M. 5 MO 1400 KO 600 KC 6 163 1400 BO 600 BO Generator Conneetion 6A8 Grid Drew lead Brom lead Brown lead Drown lead Bee Dote Trimmers Adjusted (In order shown) Trimmer Funotion A,E II Ig Ig 14 IF D,D 00 A6 ot Ae Og Alg Ono. Aat. One. Ant. Ow. Amt. C Pll Ow. Fwd. MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 6,160/V,o AipAle.r. 4 Qf 11-000..9 Lafayette Radio CC24-25 '.0001-1 vs. --k-°°°° 0 O O 4:0 tkt if) rI H COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS I AT -G /00 04,4/F I N 5-G I Hs-( 25-0-1- "1 .4°11"4/. 1Q5 -G 00 / AV: 0ro - digNI "Ir O -4 2. Alta 1.7. 456 "...C. 2,4E4 8 250 P / ft/r. N 3 0 ..21. ,e, swelrcwes )(JD 41i) ON Omit (A a ) Sr?, rcA, Abs/rAoN 5 -ezecre,c oftsLoreent if *AMR TVA/ [Par egole0 4(Z 2525 /IS - /If V. 41. Ac.. 290 /NcoiNt0li IA f -1- vAq"- 4 liTOMA ric owirc /SOD J1-. 0L 14:45-6 0}ouieur od®' T. 45A 04+ to 304 4 ATP -..- air QUO X/4 Tel/ Ce/Owee 25Z5 1H5.6 1N54 0 Lafayette Radio GATT- NEC 1A7G Ta% I 16,1 CC -55 A ok. MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS SCHEMATIC DIAGRAM MODEL -2 D60 CI T, 6K8-GT T3 6K7-GT 6Q7-GT 25L6 -G it Majestic Radio 1 CA C2 a CaPT CS c.. 25 Z6 -G 105-125 V AL. -0C C20. EATERS Schematic Location Part No. C1,C12,C16, CI7 C-15754 C4,C6 Y -CV -16A C5 C-15752 C7 CM -31 CIO Y-CP-8 CI I CM -2 C14 C-31 CI 5,C22 CM -30 C16,C19,C21 CE -46 C20 C-15756 P.L. LB -44 Description Tubular cond. .01 mfd. 400V Variable Condenser Tubular cond. .05 mfd. 200V Mica cond. 100 mmfd. 30% Padder Condenser Mica cond. 4330 mmfd. 5% Tubular cond. .004 mfd. 400V Mice ccnd. 250 mmfd. 30% Electrolytic Condenser Tubular cond. .05 mid. 400V Mazda Bulb #44 731 d; TUBE LAYOUT MODEL- 2080 Schematic Location TI T2 T3 T4 RI R3 R4 R5 R6,R8 R7 R9 RIO Part No. Y -ANA -10 Y-OSA.10 Y-IFA-10 Y-IFA-1 I R-15511 R -I5531 R-15500 Y -VC -21 R-50 R-15504 R -l5500 R-80 Description Antenna Assembly Oscillator Assembly 1st I. F. Transformer 2nd I. F. Transformer Carbon res. 50K ohm 4W20% Carbon res. IOK ohin34W20% Carbon resistor 2meg 4.W20% Volume Control and Switch Carbon resistor 5meg 3jW20% Carbon res. 150K ohm X W20% Carbon res. 20K ohm 4 W20a/s Carbon res. 110 ohm%W20% Majestic Radio 1A7 -GT SCHEMATIC DIAGRAM MODELS -410 -4C10 INS-GT INS -GT cn C6 4 ICI ICS-GT C 010 BATTERY CABLE 1 H5 G T TRIM OSC 18001.:LS, TRIM ANT. 1500 KC TRIM 4 SS KC -6- BATTERY 90V BATTERY 1.4 V. -BATTERY R 9 E1AVERY 0 MAKNIPLX 11001.111P Cl2 818151911919 900 6 -BATTERY CHASSIS LAYOUT OFT -VOLUME TUNING MODELS -410 -4C10 Schematic Location Part No. Description Schematic Location Part No. Description C2,C3 C I ,C5 C6,C8,C1 I CIO C12 C4,C7,C9 T1 T2 Y -CV -26 C-15752 C-15763 C-15774 CE -35 CM -3I T -CS 62 Y-OSA-11 Variable Condenser RI Tubular cond. .05 mfd. 200V R2 Tubular cond. .01 mfd. 200V R3,R4 Tubular cond. .002 mid. 400V R6 8 mfd. 150V Electrolytic cond. R7 Mica cond. 100 mmfd. 30% R8 Antenna Coil R9 Oscillator Assembly R5 R-15523 R-44 R-15500 R-15559 R-15520 R-15517 R-72 Y -VC -43 Carbon res. 200KehmXW20% Carbon res. 70K ohmXW10% Carbon resistor 2meg j(W20% Carbon resistor 3meg MW20% Carbon res. 500Kohm 14 W20% Carbon resistor 1meg 4W20% Carbon res. 600 ohm3 W20% Volume Control T3 Y-CI.29 1st I. F. Assembly T4 Y-CI.30 2nd I. F. Assembly COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 51 6A86T 1ST.DET 6 K7G T 1F.AMP 6K 76T irAmP 6 PSG 2NQ DET. 50MtlE B V .0-5L400v IMEG. ISM 1W 6 A F6G EYE 6P56 EYE CONTROL ZOY 4c 4 ZOaM_F_43_01,.2.0±mzr ,omfz5v 160 0 MMF 6.3 V 5000MM F 500 MMF 280V. 280V. 80 RECTIFIER J8USIA., V - 03 400V 2,5 I ME6. cc 200MMF_r_-= Sou. --kr 0 .0 I V 400 IrJ tut 6P5G 13TE AUDIO a) 500MNILI PHONO VOLTAGES TAKEN WITH NO 516NAL US1N8 1000-"- PER. VOLT METER FREQUEI ICY 456 KC. 6A8GT MIXER .2132i 61(76T /AMP AMY 6K7GT LE AMP 2.80V 41. IMP 4M1. 411. 6 p 56 VARIABLE TONE 6 PO -6 0 -it plOPE c"113°11"15 1 -+' >4.1 4ti:: . , IV/Rut:Pio -11 6 P56 DRIVER 052.00V I m4 w .05200V ISM 1W .06-ZOOV I ME6. 05 400V Z5 M .05 513"f5MeG IS V 40M W U 12.5 V 1Z5M+W 1400Y S 00V h 11,5YrigEurougr .03 ZOO V. 6P56 Z5114 w I MEG 05G. IZOV EYE 6AF6G 6P56 EYE DRIVER 6P5G INVERTER 6P56 DRIVER 2 0 to LI 4)&56 4ACe OUTPUT OUT -U . 100MfW 7- 3f0 faiMPI ZONE 450V 25Mf350V 110 Zi3OVE+ VOLTAGES TAKEN WITH NO SIGNAL USING 1000(1 PER VOLT METER 110, I - WEL 0 6.3V 300V .01 600v MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 6D8Gc,E 2,D,6TE7.9v.c. ST. AUDIO it 6.9 -PP 5 ,© C 14 RI 0tU o 0 CI 4 3 .1. WIRING END OF LOOP ANT. SOCKET FACE SIDE OF 115 VOLT A.C. LINE SOCKET ic, T 0 11-0 C 13 R6 1,1 VOL.IMRtl R9 L7 7 0 0 0 0 0 --J3 - RIO ANWM CIO P11 INTERMEDIATE FREQUENCY 455 K.C. 6ZY5G RECTIFIER WIRING END VIEW FUSE FACE SIDE OF 6 VOLT BATTERY SOCKET CAKE vocr POWER PLUG -CLt CORD -eCARI3DiUaTmSSELmAC.IS ANTENNA TAN Ci4 6ZY5G COVER RANS 6G6G 0 OUP -411" 455 .0 : 6S7G INRJT TE 49 ASS K0.C. 6T 7G 6D8G R16 R17 C21 C15 7 C I 7 Tc 9" BOTTOM VIEW OF CHASSIS VOLTAGES MEASURED WITH 1000 OHM PER VOLT VOLTMETER BETWEEN SOCKET TERMINALS AND CHASSIS. LA] CANNOT DC READ WITH VOLTMETER. 3 (5] DS VOLTS A.C. READ ACROSS PINS 6D8G RS 0 00 (0 V I BRATOR O gA 0 O -6O080 .c 0 to og -6 vO 0 tI50 167 00 6ZY5G 61 O 0 00 0 to A.G. 6G6G BS 6S7G nu CONTROL E. ON -OFT SWITCH DIAL TUN INC( REAR OF CHASSIS MONTGOMERY WARD RESISTORS RI R2 R3 BEI3022 511 ohm-A watt BEI30166 11E13012 150 ohm-A watt 50M ohm-y, watt R4 BE13026 1000 ohm-A watt R5 R6 R7 BE130157 I2M ohm-A watt BE1304 BE130168 3 megohm-A watt 100 ohm-A watt R8 BE130168 100 ohm-V3 watt R9 BE101225 RIO BE130233 1 megohm volume control 60 ohm-A watt R11 R12 BE130233 BE130223 60 ohm --A watt 10 megohm-A watt R13 BE13037 750M ohm-A watt R14 BE13011 250M ohm-Va watt R15 R16 BE13079 BE130222 4(10 ohm-A watt 350 ohm-A watt R17 BE130235 15(30 ohm-A watt MODEL 04BR-570A PARTS T1 BE111187 Loop Antenna Assembly T2 BE110155 Oscillator Coil T3 BE1O8129C Input I.F. Coil -455 kc. T4 BE108130D Output I.F. Coil -455 kc. T5 BE105113 Output Transformer T6 BEI14205 5" P.M. Speaker T7 BE104216 Power Transformer LI BE12312 R.F. Choke L2 BE10566 R.F. "A" Choke L3 BE10568 R.F. Choke L4 BE10566 R.F. "A" Choke On -Off Switch on Volume Control P1 BEI2626 Plug-in Vibrator Unit CONDENSERS C BE102134 2 gang variable condenser Cl BE1009 .05 x 200 volts C2 Antenna trimmer on gang C3 Oscillator trimmer on gang C4 BE10020 .1 x 200 v. CS BE1295 .0001 mica C6 BE10020 .1 x 200 v. C7 BE10013 .05 x 400 v. C8 BE10031 .5 x 120 v. C9 BE10031 .5 x 120 v. C10 BE10073 .008 x 1200 v. C11 BE12951 .000125 mica C12 BE10012 .003 x 6(X:I v. Cr3 BE12960 .00015 mica C14 BE10011 .01 x 400 v. C15 BE10020 .1 x 200 v. C16 BE119111 20 mfd. lytic-25 w. v. C17 BE119111 40 mfd. lytic-200 w. T. C18 BE119111 20 mfd. lytic-200 w. v. C19 BE119111 20 infd. lytic-200 w. v. C20 BE10019 .006 x 600 v. C2I BE10020 .1 x 200 v. C16, C17, C18, C19 are in same unit COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS I2SA7 4 C3 MONTGOMERY WARD C, I2SK7 e I2SQ7 a a4 cod : I M..' C2 70L7GT CI3 11*, R5 R3 C7 RIO O 4 CS c a R6 .!4 RI c6 A.G. DD..C. 105-120 VOLTS 1.F 465 K.C. 40TE R7 -BE 130288 CARBON RESISTOR IS CHANGED TO 10657 CANDOHM RESISTOR 65 OHMS 3 W.41TS R7 9 NO 131 A RI1 C 12 Iffi C I 4 51 BOTTOM VIEW OF CHASSIS VOLTAGES MEASURED WITH 1000 OHM PER VOLT VOLTMETER BETWEEN SOCKET TERMINALS AND NEGATIVE 'B' SUPPLY. 7 , 2 On _J O I-- r7 2 Y VI N- r7 2 < V) N- 7 6 na VS N- OUTSIDE ANTENNA CLIP [I) CANNOT BE MEASURED WITH VOLTMETER. * OSCILLATOR VOLTAGE MEASURED WITH R. r CHORE IN SERIES WITH LEAD. H A 110 [13 17090 5.5 0 70L7GT 0 0 [I) [I] 5 0 .90 0 CO 0 56 NO0 41)OW I) 90 0 I2SQ7 I2SK7 REAR OF CHASSIS 90 (I] 90 I2SA7 TO ADJUST COIL ASSEMBLY MOVE UP OR DOWN RI BE130100 R2 BE130176 R3 BE1304 R4 BE101188 R5 BE130293 R6 BE130257 R7 BE10657 R8 BEI3011 R9 BE13011 RIO BE130166 R11 BE130279 Cl BE131262 C2 BEM C3 BE124100 C4 BE10091 C5 BE12939 C6 BE124100 C7 BE12912 C8 BE10025 C9 BE10013 010 BE1292 C11 BE10011 C12 BE11992 C13 11E10011 C14 BE11992 BOTTOM VIEW RESISTORS 150M ohm -5 w. 20M ohm -5 w. 3 megohm-% w. Volume control (500M ohm) 30 ohm -1 watt 5 megohm-% w. 65 ohm -3 watt 250M ohm -5 w. 250M ohm -5 w. 150 ohm-I% w. 1M ohm -1 watt CONDENSERS .00001 washer condenser (Ant. Clip on Back Plate) .05 x 200 v. Antenna Trimmer .15 x 400 v. .00005 mica Osc. Trimmer .00025 mica .002 x 600 v. .05 x 400 v. .0005 mica .01 x 400 v. 20 ufd. x 150 w. v. lytic .01 x 400 v. 40 old. x 150 w. v. lytic C3 and CS in one unit C12 and C14 In one unit PARTS T1 BE111136 Antenna Coil Complete T2 13E110126 Oscillator Coil T3 BE108157 Input I. F. Coil -465 kc. T4 BE108157B Output I. F. Ca -46.3 kc. T5 BE114170 4 in. P. M. Speaker and Output transformer Si Offon switch on volume control MODEL 93BR-420B " 93BR-421B " 93BR-423B " 93BR-424B " 93BR-431B DIAL TUNING 2n VOLUME CONTROL ON OFF 3*-47mma-4.-L cr PEAKS INPUT I.F. 465 K.C. OUTPUT I.F. 465 N.C. I2SA7 ANTENNA CLIP I2SK7 I2SQ7 70L7GT COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS IA7G 1ST DET. OSCILLATOR CI C3r4- I.F. 465 K.C. IN5G BOTTOM VIEW OF CHASSIS IA5G SLAM.. 85 135 VOLTAGES MEASURED AdrTH ,000 OHM PER 'JOLT vOL-METIR BEI WEEN SOCKET 1ER,NAL5 AND CH45,5. eLAPow ©82 o0 95 IA7G (.1 60 (A] cAmmor et AE0 AT.. w.tMETrA. 40 65 REAR OF CHASSIS 0 25 IH5G IN5G I. F. AMP. ED er) 0 0 En R4 IC6 MODEL 93BR-461A IH5G 2NDDET.AVC 1ST, AUDIO C91 00 I S. 1 C10 IA5G OU T PUT 012 400 C8 R6 R7 R9 CII ®REIL A+ SI - BLACK 3+ BLUE RIO SLATE.. MONTGOMERY WARD Schematic Ref. No. Part No. Description RI BE1309 R2 BE13018 R3 BE130208 R4 B E13038 R5 BE13020 R6 BE101173 127 13E130257 R8 BE13037 R9 BE13038 RIO BE13070 RESISTORS 200M w. 20% 4M ohm --A w. 20% 40M ohm-V w. 20% 2 megohin-A w. 20% 100§1 ohin-y, w. 20% 1 megohm volume control 5 megohm-i w. 25% 750M ohm-A w. 20% 2 megohm-A w. 20% 5(10 ohm-A w. 10% CONDENSERS C 13E102108 2 gang variable condenser CI BE10022 .05 x 200 v. 25% C2 C3 C4 BE12912 C5 BE1009 C6 BE1006 C7 BE12912 C8 13E10025 C9 BE12912 CIO BE10078 C11 BE11975 C12 BE10025 T1 BE111131 T2 BE110121 T3 BE108151 T4 BE108152 T5 13E114165 Si R. F. Trimmer on Gang Oscillator Trimmer on Gang .00.325 mica -20% .05 x 200 v. 25% .25 a zoo v. 20% .00025 Mica 20% .002 x 600 v. 25% .06025 Mica 20% .01 x 200 v. 25% 10 mfd. x 25 w. v. lytic .002 x 600 v. 25% PARTS Loop Antenna Complete B. C. Oscillator Coil Input I. F. Coil Output I. F. Coil 5" Speaker with output transformer D.P.S.T. On -off switch on volume control MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS EXTERNAL ANTENNA CONNECTION I2Q7GT 35L6GT 0 :#o Cl2 CIS CII 0 CI 0-111, 9 R6 R7 =05 -11-0 C10 Re I 1R9 RID RH I r 465 K C 105-120 VOLTS eC7 I0- ,r) N M I0- '; ol h VNX VvNi 1-I.-. ,ZA72?2/ 2 "\VV1/\ 7 35Z5GT 4000 Schematic Part Ref. No. No. RI 13E130176 R2 BE1309 R3 BE130203 R4 BE1304 R5 BE130215 R6 13E1301 R7 13E101170 R8 BE130257 R9 BE1303 RIO BE1303 Rll BE130166 R12 BEI30199 C BEI02107 Cl BEI0011 C2 BEI0091 C3 C4 C5 BE12921 Description RESISTORS 20M ohm -5- w.-10% 200M ohm-A w. 40 ohm-A w.-10% 3 megohm-A w. 25 ohm- A w. 25M ohm -5 w. 1 megohm-volume control 5 mcgohm-A w. SOOM ohm -5 w. 500M ohm -5 w. 150 ohm -5 w. 1500 ohm-I watt CONDENSERS 2 gang variable condenser .01 x 400 v. .15 x 400 v. Osc. Trimmer on Gang Antenna Trimmer on Gang .0002 mica Schematic Part Ref. No. No. C6 BEI009 C7 BEI001 C8 BE1009 C9 BE1295 CIO BEIOCCS CII BE12912 C12 BE100106 CI3 BE11987 C14 BE11987 CIS BEI0026 Description .05 x 200 v. .1 x 400 v. .05 x 200 v. .0001 mica .032 x 603 v. .00025 mica .004 x 600 v. 30 mfd. lytic 30 mfd. lytic .02 x 400 v. C13 and C14 in same unit PARTS TI BE111128 Loop Antenna T2 BE110116 Oscillator Coil T3 BE108140E Input I. F. T4 BE108141B Output L F. T5 BE10589 T6 BE114160 O5'uPtp.uMt T. rSapnesfaokremrer SI Off -on switch on vol. control P1 BE1/7249 6-8 v. pilot light T-47 Wards MODEL 93BR508A 93BR509A VOLUME CONTROL ON OF I2SA7 a -7 0 1,1 (I) 0 BOTTOM VIEW OF CHASSIS VOLTAGES MEASURED WITH 1000 OHM PER VOLT VOLTMETER BETWEEN SOCKET TERMINALS AND B - [ CANNOT BE MEASURED WITH VOLTMETER. PILOT L IC akilwO.il TgIM-- RESE T LOCH - I I 1E3111 Min 2SA7 USE R.r. CHOKE IN SERIES WITH VOLTME TC R. SCREW 35Z5GT 35L6GT [OuTIAT New T I 2S K7 I2Q7GT 35L6GT 35Z5GT : :ft : I. I, MIS R.C. 0 S. ISS PLC (I) as as 0 00 003 t) e.4 li) .5 0 (I) (110 0[I) L1) 5 He 0 20 O00 C.4 [I] 0 0 (I) 85 112 REAR OF CHASSIS 0 Ill 116 .77 .111111111 2Q7GT cArrSIOE slw ANTENNA CLIP COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS -111111,11M-41' 57LOOP ANTENNA I A7GT IST DET. OSC. IN5GT 1ST I.F. CONNECTIONS FOR EXTERNAL ANTENNA AND GROVNO LOOP ANTENNA .611 Cr, 150 M.O. C4 ,00 T T2 O 0;x5. CB CI7 R2 0-4WWW.-.0 10P00 IL C5 T.0M4F. C I.F. 456 KC. Cis 1101Aii. IN5GT 2ND I.E. IH5GT 2ND DET. A.V.C. IST A.F. C15 T3 2ND I.F, C g .000 3Q5GT OUTPUT 0 4. MEG. RR7] M mA 6. MEG. S .103A ,00 MINF. 6E1 tO0 MMF. Ls VOLUME Cl? CONTROL .005 RIO 74F. .5 MEG. 11 C c.ro E115. 710 11 Tq T MONTGOMERY WARD IHSGT IATGT IN5GT ,ST INSGT 2740 3Q5GT 53 ON -OFF SWITCH I A7GT IHSGT 1ST DET. 2ND DET. 410 L 0SC. 44444 LIST A.F 11111111'0. SLHI1 a Io.a,k 3Q5GT OUTPUT 35Z5GT RECT. IN5GT 1ST I.F. IN5GT 2ND I.F. ISATT.MCSA.C7DC 687-49c IMPORTANT- METAL BASE TUBES MUST BE USED IN THOSE SOCKETS AT WHICH SHIELDS ARE SHOWN. .1 Mr. C,2An CI28n 40 IMF. MODEL 93E-663 93E-668 4, A- BATTERY POSITION A+ 9V. R,2 AVMS% IR50 11 35Z5GT RECT A.COR O.C. POSITION RI4 AMM5S 25.11 C2, BB A. A.C.-0.C. OR BATTERY SWITCH O 8+ 90 V. SPEAKER A21 1,700 JS. 2 0 2p00A 20C 20.mr. LIC200 teg LIC20A DIAL LAMP O 111 V. N-A.C.OR D.C. CAUTION 'Hy DO NOT USE ANY EXTERNAL O GROUND EXTERNAL ANTENNA CONNECTION REMOVE JUMPER Ce F EXTERNAL ANTENNA IS USED 1-1 I2SA7 15T GET & OSC. I2SK7 I.F. 12SQ7 2ND DET. A.V.C. 1ST A.F. Cie .01 MF. 35L6GT OUTPUT w C19 LOOP AMT. mos T4 2ND I.F. 101 MMF 1041 X SUBJECT TO VARIATION TI ANT CSTc 1-- BROAD w I 011-CASY W:1 j as T C7 iW 50 6 yo' MMF L. .J 10 Iz 12 IZ C2 C3151: MMMEEF. , k. SHORTwAXE 51 C.. CAST C4 rya RI CHASSIS GROUND ONLY -NOT EXTERNAL .25 MEG. co C9 .25 14F 117 V. AL. OR D.C. I F. 456 KC. da C 3 Ry 2 MEG. Re A..AH. OX O. MEG. 1 C 2E07 .00/MF. ...Cie moo .004 MF. CISAJ O 100 MMF. g ";$C150 100 HAW. VOLUME CONTROL X R7 .5 MEG. CI7 r.IFL& X TONE CONTROL SWITCH p YELLOW C IC 211)4r. X R3 I. MEG. QM SOCKET) REEK RED 010111k 0/ --0 6A85 TUNING BLACK INDICATOR w cr*0 X HEATER WIRES -BROWN iALL POINTS MARKED'X' RETURN TO THIS POINT VOLTAGES AT SOCKETS FOR II7 VOLT A.C.LINE ALL VOLTAGES EXCEPT HEATERS AND DIAL LAMP ARE BETWEEN SOCKET TERMINAL & -B&1DICATED BY 'XD RANGE .11"528 TO 1730 KILOCYCLES RANGE V2.2 TO 6.5 MEGACYCLES C22 701ME. 197 fl P-%...0 0 0 0 f.- Vi Ts 12507 HC'° A.C. JO 14F. GABS 6 A.C. 12510 12SA7 to 6 R4 VI 14 VP A.C. A.C. ON -OFF SWITCH c."' 35L6GT 35Z5GT tTi A.C. A.C. A.0 DIAL LAMP A. 35Z5GT RECT. Pi2 2511 Li SPX. FIELD LA ED 302 st GREEN SPEAKER C2IA C219 21/ILF. X 2O F. VJ MONTGOMERY WARD " MODEL 93WG-684 93WG-685 19 COIL T OSC TERMINALS e . A27-363 61.17.9T evtaT 6K7GT I, 0,6, 6Q7GT 0( Alol. 6K607 POIKIN Ou 0y1 Ij Oi 100V 0 -J et V 1.:ot or ola PART OF OSC. * COIL ASSEMBLY Model No. 27-D-6 NR 0 0 MO 1-3 0PEI °r1 CO 6X5 OR OwZ e4t El 2100 iw SO, tri we 10.4/ OR" C % 23 0 co CO 6SK7GT MOPs'uoeviser Vrs., GO rPtOVENCv 55 6 C 116ING PANG! fl, P C i,6.06 C Mot orola Model 25-11 6S A7GT sc 6SK7GT SuP 6SQ7GT L__ tE2 J Owl Sw,Lp z .. 7;;; z 0..L c 0 0 P2P., rPp POPPY, O Oil THr 006 .006 A CHOP( 6K7-GT R. a AMP. 8SA7-GT OSC..- MOD 6K7-GT I. F. AuP. T.11 ANT. O r 1is14o, !,1 orl tEZ 0i[ott. 'ao^t-Aion c r - -al - - - viN-*Noafgivi <a I -7- Co 4 I I !.4:::S 0! I 1 S I4410. Et] 04. '000 Em itr E. r r REOUENCY 455 K. C. TUNING RANGE 535 K.C.- 1550 K. C. OSCILLATOR CONNECTIONS RACKET VIEW) 04.1002 13 11 NIN 171,F. ::1 04T 0 ..0.0 SO Fe 4-4A *SS C21 via. OZ4 RECTIFIER 6Q7-GT OCT.-A.V. C.-A.E 6 K6-GT POWER A MA 2 ISLA Nu+, TONE CO NT 007. 0 02- Ir co 0 0 U) 1-3 6K6-GT 0pri POW= AMP LUG po LUG D .000 1-- 60-0` Pi RL K GAN. 6 TEL II ritL0 -NT. V. C ..410kita () MODEL MO MODEL 31-P rn smouvonand 3111311cMS 14117ALL1311 ./4 AEI arlIclIATOD IZFITL-W 1,1n4o11; MI 09 IIIA 009 TaPoN 13 tosoqoif 'OH 393 'Ld'I *AV g 101.)I9 0 0 O 1.2 ,Z0 00V TapoR vioaoloa a 00 cu -®s 0 co - - °l co %.90°":-;;-.0.1--+-rs-C) =1=1- 3 VOSS, '3 II StS "Pr. ...1 .112' A3011113.1 1/1,03.1103,11 .181.1.4 1D-9)49, IU I© 111.0. 10-gUg 10-039 ...V I ID -LN9 004- ,{r3 LI N I.V 19-LN9 SIA1111011a 331AZIM HlrifldOcl MOW Ot61 JO Tif1NVIAT 16rSK7GT Tt a 6A8 GT OSC laS0 6SK7GT ATAP 6 SQ7GT OCT ACC AliP 6K6GhrTr I.F. 262 KC. cold/ Cat O 0 Po 0 SIUCToo Cirf&L RUC AssCracv V( REV 1100,011 SlenTO. O LATCH ^rod riotorola Model 550 C OKI 0_IN OCNPT--OMCSO,AI, .000000ov 1/0-2,Si ARVIN HOME RADIO CHASSIS RE 48 I2A8GT I2K7GT I2Q7GT 5OL6GT RED TO ANTENNA 8 TI 0 .JI..c;a;a...17 CI I co I co I L --f= J woe C192r C 222 R 174 C 191 T4 R182 T5 C 191 C 191 RI5 0 R R 18 C 228a.C. w SPK 1-a C 2 2f3 -Al C 229 C 228-B CHASSIS BASE REITORS R OHM W PART NO. 5 500K 144 17-2070 27 2M 14 17-47116 150 SM 14 17-14242 174 2014 14 17-14291 IM 10014 14 17-14303 162 1114 VC. 17-14315 183 150 14 17-143111 CONDENSERS C CAPACITY VOLT PART NO. T I TWO -GANG 2 VARIABLE 191 .01 192 .00025 I 17 163262 400 17-14272 3 600 17-14273 4 193 .05 115 .05 199 .02 200 17-14274 5 400 17-14276 200 17-14283 215 .0001 222 .2 MA 10 MFD. 600 400 150 17-14310 17-14317 22 20 INFO. 226IC 20 1.410. ISO 17-14326 25 229 .02 1230 .0005 400 17-14327 1 400 17-14326 TRANSFORMERS TYPE PART NO. ANTENNA COIL 00-10320 OSCILLATOR COIL 00-16321 FIRST I.F COIL 00 -16322 SECOND I.F COIL 00-16323 OUTPUT TRANS. 00-16324 SYMBOL L P SPK SW MISCELLANEOUS UNITS DESCRIPTION DIAL LIGHT BULB - MAZDA NO 51 LINE CORD I PLUG ASSEMBLY SPEAKER ASSEMBLY LINE SWITCH PART NO. 17-13904 17-16371 17-163144 17-14315 I. F. PEAK 455 K.C. BALANCE 1400 K.C. - CHECK AT 600KC. NOBLITT-SPARKS INDUSTRIES, INC., CMS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 0 =1* a 0 L cc ia 0 f 1 m a z 44 a 1 1\ \ a4 LI 1a Ti! OD NI bi !sroVAIEE 31111111111111111 iiggq ale?'?:tf U 6 0 66 0 4C Cr er O 7A7 1-4 N0 loll I I rat 29 W54 30 788 M7 7B6 7C5 20 01 a. 01 0 3 a 23 J a 13 16 4 .00004 J L_ I7 2 10C O 20.0 52 21 .004- I.F. 260 KC. 05 45 22 2000 ;05 53 46 23 15M VIBRATOR 4 'Co 28 "'cm 28 .01 47 YonhY 3 000 55 6000 10A 10 B C=1 10.0 10.0 8 01018 OLDS MODEL 982161 - CIRCUIT DIAGRAM 7A7 V R. F 7Q7 OSC - TRANSL 7A7 7 E 6 2n0 ,MFD .0(105 ,15 7C5 OUTPUT I 3C 268 _4 _71)6 6A AO' OA 73 40_3(04: 39 _ 270w 1 I la78 170-1 II 25 23 lip* *04 g 3A O 22M ±-6C 2 13 O 43 con_ 7C5 OUTPUT 263 C .05 0 30 .0i 3900w 270M .00005 \WIN. A 28 AO 17 C38 26C 3E =---" 4'B 56 7D 32 2014F0. 25v 110 1 MEG .05 C .25 20 IS .00002 a 4C 22M 29 05 I MEG. VOLUME CONT. 05 .50 273 TONE CONTROL 278 0 cn I MEG. 37 38 I MEG. 330M 33M .0001., 33 150 W 4 2B OZ4G RECT. 51-4 2700W 31 10 MF O. 450v. IIA 15MFD. 400v I 118 10 AMP. FUSE .5 T* 40 1 600 27C ..-.C-a"" TO HEATERS 9 177177177 31 .002 122 20 AMP. FUSE AMMETERTO I.F. 260 KC. OLDS MODEL 982160 - CIRCUIT DIAGRAM II Ire X ce*wecreems So MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS I I.F. 470 KC. @-- 2512-7L-gF'a&-.". "la JUI ^10. it& ml 2.4.6 PHILCO TRANSITONE HOME RADIO MODELS PT -25, PT -27 AND PT -39 PHILCO TRANSITONE HOME RADIOS - MODELS PT -26, PT -28 AND PT -36 &haws. No. Deseription 1 Antenna Transformer 2 Tubular Condenser (.0015 ml., 200 V.) 3 Tuning Condenser 4 Tubular Condenser (.05 ml., 200 V.) 5 Tubular Condenser (.15 mf., 400 V.) I Resistor (47,000 ohms, 1/2 watt) Mica Condenser (110 mm!.) 8 Oscillator Transformer 9 Tubular Condenser (.05 inf., 200 V.) 10 let I. F. Transformer 11 2nd I. F. Transformer 19 Resistor 2.2 meg.. 1/2 watt) . 13 MIca Condenser (250 mm!.) 14 Resistor (22.000 ohms. 1/2 watt) 15 Volume Control (500,000 ohms) 16 Tubular Condenser (.01 mt., 200 V.) 17 Resistor (4.7 meg., 1/2 watt) 18 Resistor (220,000 ohms, 1,4 watt) 19 Tubular Condenser (.01 mf., 400 V.) 20 Resistor (470.000 ohms, % watt) 21 Resistor (130 ohms. i4 watt) 22 Tubular Condenser (.04 mf.. 400 V.) 23 Output Transformer ..Part of Speaker 24 Speaker 25 Tubular Condenser (.04 mf., 400 V.) 36 Ifiectrolytle Condenser (20-20 mf., 150 V.) 21 Field CoU Part of Speaker 28 Pilot Lamp 29 Line Resistor 72 24 Resistor (470,000 ohms, 1/2 watt) 25 Resistor (130 ohms. 1/2 watt) 26 Tubular Condenser (.04 mf., 400V) 27 Output Trandorme-Part of Speaker 28 Speaker 29 Field Coil-Part of Speaker No 80 Eleetrolytic Condenser (20-20 ml., 150V) Si Line Resistor 82 Pilot Lamp 88 Tubular Condenser (.04 mt., 400V) Schema. No. Description 1 Tubular Condenser (.0015 mf., 200V) . 2 Antenna Transformer 8 Loop Antes= - Part of cabinet and loop PT -26 PT -28 PT -36 4 Ttming Condenser - PT -26 & PT -28 PT -36 5 Padding Condenser 6 Tubular Condenser (.1 mf., 200V) 7 Condenser & Choke Amy. 8 Resistor (22,000 ohms, 1,4 watt) 9 Min Condenser (110 mmf.) 10 Oscillator Transformer 11 Tubular Condenser (.05 mt., 200V) 12 lot I. F. Transformer 13 Resister (22,000 ohms, 34 watt) 14 2nd 1.. F. Trandormer 15 Register (2.2 meg., 34 watt) 16 Mica Condenser (250 mint.) 17 Volume Control (500,000 ohms) 18 Resistor (47.000 ohms. 1/2 watt) 19 Mica Condenser (250 mat.) 20 Tabular Condenser (.01 ml.. 200V) 21 Resistor (4.7 meg.. 1/2 watt) 22 Resistor (220,000 ohms, 34 watt) 23 Tubular Condenser (.01 mf., 400V) COMPILED BY N. HEITMAN', SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS tklemn.iles PHILCO TRANSITONE HOME RADIO MODELS PT -29 AND PT -31 Ni. Description Port /to. 1 2 3 4 Antenna Tran,foritter 32-3164 Tubular Condenser (.0015 mt., 200 v.) Tuning Condenser Switch 30-45558 31-2427 42-1406 5 Tubular Condenser (.05 mf., 200 v.) 30-45195 7 8 9 10 11 12 13 14 Tubular Condenser (.15 mf., 400 e.) Resistor (47,000 ohms, % watt) Mica Condenser (110 mmt.) Oscillator Tubular Condenser (.05 mt., 200 v.) 1st I. F. Transformer 2nd I. F. Transformer Resistor (2.2 meg., % watt) Mica Condenser (250 molt.) 30-45058 33-347154 33-1130 32-3152 30-45198 32-3149 32-3150 33-522154 8i-0033 15 Resistor (22,000 ohms, % watt) 18 Volume Control (500,000 ohms) 17 Tubular Condenser (.01 mf., 200 v.1 33-322334 33-5306 30-4479S Schen. Ni. Description Mice Part Ni. 18 Resistor (4.7 meg., % watt) 19 Resistor (220,000 ohms, ',4 watt) 20 Tubular Condenser (.01 mf., 400 v.) 21 Resistor (47,000 ohms, % watt) 22 Resistor (130 ohms, ',k watt) 23 Tubular Condenser (.04 mf.. 400 v.) 24 Output Transformer 33-517154 33-422154 30-45728 33-447154 33-113336 30-411913 Part of Speaker No. 25 Speaker 26 Electrolytic Condenser 36-1469 36-1469 (20-20 mt., 150 v.) 27 Field Coll Part of Speaker. 30-2382 Part Number 28 Pilot Lamp 36-1469 34-2068 29 Line Resistor . 33-3367 30 Tubular Condenser (.04 mf., 400 v.) ..30-41193 PHILCO TRANSITONE HOME RADIOS - MODELS PT -33, PT -41 AND PT -61 1 Loop Antenna Assembly 2 Turdng Condenser 3 Tubular Condenser (.05 mt., 200 V.) 4 Tubular Condenser (.25 mt., 400 V.) 5 Resistor (47,000 ohms, )4 watt) 6 Mica Condenser (110 mint.) I Oscillator Transformer 8 Tubular Condenser (.05 mt.. 200 V.) ft 1st I. F. Transformer 10 2nd I. F. Transformer 11 Resistor (2.2 mega., )4 watt) 12 Mica Condenser (250 mmf.) 13 Resistor (27,000 ohms, % watt) 14 Volume Control (500,000 ohms) 15 Tubular Condenser (.01 mf., 200 V.) 35A5 16 Resistor (4.7 mega., i4 watt) 17 Resistor (220.000 ohms, % watt) Si 18 Tubular Condenser (.01 mt., 400 V.) 19 Mica Condenser (250 mmf.) 20 Resistor (470,000 ohms, )4 watt) 21 Resistor (130 ohms, 1/4 watt) 22 Tubular Condenser (.04 mt., 400 V.) T 50 23 Output Transformer ..Part of Speaker 24 Speaker 25 Tubular Condenser (.04 mt., 400 V.) 26 Electrolytic Condenser (20-20 mt., 150 V.) 27 Field Coll 28 Pllot Lamp Part of Speaker I.F. 455 KC. (81- 29 Line Resistor 312.1 3133 IAA 33! 7cc COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 73 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS I.F. 470 KC. 5513 3%A5 7Art 787 7C6 55. I79. 16clono. Ns. 1 2 3 4 5 6 8 9 10 11 12 13 14 15 16 17 18 PHILCO TRANSITONE MODELS PT -37 AND PT -53 Philo Description Part Ns. Antenna Transformer 32-3233 Tubular Condenser (.0015 mt., 200 v.) 30-4555S Tuning Condenser 31-2431 Wave Switch 42-1497 Tubular Condenser (.05 mt., 200 v.) -30-45193 Tubular Condenser (.15 mt., 400 v.) -30-46003 Tubular Condenser (.05 mf., 200 v.) _30-45193 Resistor (220 ohms, 34 watt) 33.122336 Resistor (100.000 ohms, 14 watt) ....33-410154 Mica Condenser (250 mmt.) 81-0033 Short Wave Oscillator Trans. BC Oscillator Transformer 32-3234 32-321/ Dual Padding Condenser 31-6331 Mica Condenser (410 mmt.) 30-1089 Resistor (4700 ohms, 14 watt) 33-247134 Tubular Condenser (.05 mf., 200 1.) -30-4519S 1st I. F. Transformer 32-3327 2nd I. F. Transformer 32-3150 Scheer. No. 19 20 21 22 23 24 25 28 27 28 09 30 31 32 33 34 35 36 nitre Description Part Ns. Resistor (2.2 meantime, .4 watt) ... .33-522154 Mica Condenser (250 mmt.) 61-0033 Resistor (8,200 ohms, 14 watt) 33-282334 Volume Control 39-5306 Tubular Condenser (.01 mf., 400 v.) -30-45723 Resistor (4.7 megohm, 14 watt) 33.547154 Resistor (220,000 ohms, '4 watt) 33-522154 Tubular Condenser (.01 ml., 200 v.) -30-45813 Resistor (470.000 ohms, 14 watt) ....33-447154 Electrolytic Condenser 30-2402 Resistor (130 ohms, % watt) Tubular Condenser (.04 mt., 400 33-113336 ..30-41198 Output Trans. -Part of Speaker No. _36-1469 Speaker - 36-1469 Field Coil -Part of Speaker No. ....36-1489 Pilot Lamp 34-2068 Line Resistor 33-3367 Tubular Condenser (.04 mf., 400 v.) -30-41193 PHILCO TRANSITONE HOME RADIO MODEL PT -35 A 0 I.'. 470 74 0 Tv... Coo nits KC. Ns. Description 1 Antenna Transformer 2 Tubular Condenser (.0015 mf., 200 v 8 Tuning Condenser 4 Switch 5 Tubular Condenser (.05 ml.. 200 v.) 6 Tubular Condenser (.15 ml., 400 W. ) Resistor (47,000 ohms. % watt) .. . 8 Mica Condenser (110 mmf. ) 9 Oscillator Transformer 10 Tubular Condenser (.05 mf., 200 v.) 11 let I. F. Transformer 12 2nd I. F. Transformer 13 Resistor (2.2 meg., % watt) 14 Mica Condenser (250 mmf.) 15 Resistor (22,000 ohms, % watt) 16 Volume Control (500,000 ohms) 17 Tubular Condenser (.01 mt., 200 v.) 18 Resistor (4.7 meg., 14 watt) 19 Resistor (220,000 ohms, 14 watt) 20 Tubular Condenser (.01 mf., 400 v.) 21 Resistor (470,000 ohms, % watt) 22 Resistor (130 ohms, % watt) 23 Tubular Condenser (.04 mf., 400 v.) 24 Output Transformer Part of Speaker No. 25 Speaker 26 Electrolytic Condenser (20-20 mf., 150 v.) 27 Field Coil -Part of Speaker No. 28 Pilot Lamp 29 Line Resistor 30 Tubular Condenser (.04 mt., 400 T ) lam 11Z1 315i Id! 711 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS %7A6 /7 787 7,6 cq,-, 35A5 R a5 t I.F. 470 KC. 0 3573 35A5 7A5 7B7 7C6 SSA. 05A Ws. Ns. 1 2 3 4 5 8 7 e 9 10 11 12 13 14 15 16. 17 18 PHILCO TRANSITONE MODEL PT -38 Description Philo Part Ns. Antenna Transformer 32-3233 Tubular Condenser (.001:i mf., 200 a.) 30-4555 Tuning Condenser 31-2431 Wave Switch 42-1497 Tubular Condenser (.04 mf., 200 v.) 30-4519 Tubular Condenser (.15 mf., 400 v.) 30-4600 Tubular Condenser (.05 mf., 200 v.) 30-4519 Resistor (220 ohms, V. watt) 33-122338 Resistor (100,000 ohms, ,/,. watt) 33-410154 Mica Condenser (250 mmf.) 61-0033 Short Wave Oscillator Trans. 32-3234 BC Oscillator Transformer 32-3217 Dual Padding Condenser 31-6331 Mica Condenser (410 mmf.) 30-1089 Resistor (4700 ohms, % watt) 33-247134 Tubular Condenser (.05 mf., 200 v.) _30-4519 1st I. F. Transformer 32-3327 2nd I. F. Transformer 32-3150 Schou, Ns. DascrIpths Mice Part Mo. 19 Resistor (2.2 megohms, '4 watt) 33-522154 20 Mica Condenser (250 mmf.) 61-0033 21 Resistor (8,200 ohms, '4 watt 33-282334 22 Volume Control 33-5306 23 Tubular Condenser (.01 mf., 400 v.) 30-4572 24 Resistor (4.7 megohms, 14 watt) 33-547154 25 Resistor (220,000 ohms, 1/4, watt) 33-522154 26 Tubular Condenser (.01 mf., 400 a.) 30-4572 27 Resistor (470,000 ohms, 14.Watt) 33-447154 28 !electrolytic Condenser 30-2402 29 Resistor (130 ohms, '4 watt) 33-113336 30 Tubular Condenser (.04 mf., 400 v.1 30-4119 31 Output Tram-Part of Speaker No. -36-1489 32 Speaker 33 Field Coll-Part of Speaker No. 34 Pilot Lamp 35 Line Resistor 36 Tubular Condenser (.04 mf., 400 v.) 36-1469 36-1469 34-2088 33-3367 30-4119 PHILCO TRANSITONE HOME RADIO MODELS PT -43 AND PT -55 &hem. 9ANT No. Description 1 Loop Antenna Assembly 2 Tuning Condenser 3 Tubular Condenser (.01 mf., 200 v.) 4 Tubular Condenser (.25 mf., 400 v.) 5 5 IttOstor (47,000 ohms, 5,4 8 Mien Condenser (110 mmf.) 7 Oscillator Transformer 8 Tubular Condenser (.05 mf., 200 v.) 9 1st 1. F. Transformer 1It0 2nd I. F. Transformer Resistor (2.2 meto., 14 watt) 12 Mica Coruhmarr (250 mmf.) 13 Resistor (27,000 ohms, 'A watt) 14 Volume Control (500,000 ohms) 15 Tubular Condenser (.01 mf., 200 a.) 16 Resistor (4.7 mess., '.4) watt) 17 Resistor (220,000 ohms, 14 watt) 18 Tubular Condenser (.01 mf., 400 v.) 19 lilies Condenser (250 mmf.) 20 Resistor (470,000 ohms, 14 watt) 21 Resistor (130 ohms, % watt) . 22 Tubular Condenser (.04 mf., 400 v.) 23 Output Transformer, I.F.455 KC. l'art of Speaker 24 Speaker 25 Tubular Condenser (.04 ad., 400 v.) 28 Electrolytic Condenser MI 120-20 mf., 150 v.) 27 Field Coil, Part of Speaker 28 Pilot Lamp 29 Line Resistor 7C6 0 0 wa CON, 39Z.4 316,5 ZN) 7137 X.§ COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 35.03 75 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS pppp .L .L I.F. 455 KC. 0 C 3623 sent 2 767 Tst PHILCO TRANSITONE HOME RADIOS - MODELS PT -46 AND PT -48 &hem Phaeo No. Description Part No. 1 Tubular Condenser (.0015 mf.. 200 v.) 30-4555 2 Antenna Transformer 32-8394 3 Loop Antenna - Part of Cabinet and Loop Assy. PT -46 76-1015 PT -48 78-1018 4 Tuning Condenser (PT -46 and PT -48) 31-2445 5 Padding Condenser 31-6344 8 Tubular Condenser (.1 mf., 200 v.) 30-4499 7 Condenser & Choke Assy. 76-1019 8 Resistor (22.000 ohms, % watt) 33-322154 9 Mica Condenser (110 mmf.) 30-1130 10 Oscillator Transformer 82-3152 11 Tubular Condenser (.05 mf., 200 v.) 30-4519 12 lot I. F. Transformer 32-3390 (22,000 ohms, 44 watt) 33-322334 14 2nd I. F. Transformer 32-3391 15 Resistor (2.2 meg., % watt) 33-522154 16 Mica Condenser (250 mmf.) 81-0033 17 Volume Control (500,000 ohms) 33-5306 Schen. Phaeo No. Deawriphow Part No. 18 Resistor (47,000 ohms. (4 mat) , 33-347154 19 Mica Condenser (250 mmf.) 61-0033 20 Tubular Condenser (.01 rat., 200 v.) -30-4479 21 Resistor (4.7 meg.. V. watt) 33-547154 22 Resistor (220,000 ohms, (4 watt) - 33-422154 23 Tubular Condenser (.01 mf., 400 v.) 30-4572 24 Resistor (470,000 ohms, 44 watt) -33-447154 25 Resistor (130 ohms, % watt) 33-113336 26 Tubular Condenser (.04 rot., 400 v.) 80-4119 27 Output Transformer Part of Speaker No 36-1469 28 Speaker 36-1469 29 Field Coil Part of Speaker No. 38-1489 30 Electrolytic Condenser (20-20 mf., 150 v.) 30-2382 31 Line Resistor 33-3367 32 Pilot Lamp 34-2069 33 Tubular Condenser (.04 mf., 400 v.) -30-4119 84 Padding Condenser Strip 31-6324 35 Push Button Switch 42-1485 PHILCO TRANSITONE HOME RADIO MODELS PT -45 AND PT -47 0 0 0 76 Scher. No. Description 1 Antenna Transformer 2 Tubular Condenser (.001, mf., 200 v 3 Tuning Condenser 4 Tubular Condenser (.05 mt., 200 v.) 5 Tubular Condenser (.15 mf., 400 v.) 8 Resistor (47,000 ohms, watt) T Mica Condenser (110 mf.) 8 Oscillator Transformer 9 Tubular Condenser (.05 mf., 100 v.) 10 1st I. F. Transformer 11 2nd I. F. Transformer 12 Resistor (2.2 meg., '4, watt) 13 Mica Condenser (250 mmf.) 14 Resistor (22,000 ohms, '4 watt) 15 Volume Control (500.000 ohms) 18 Tubular Condenser (.01 mf., 200 v.1 17 Resistor (4.7 meg., '4 watt) 18 Resistor (220,000 ohms, '4 watt) 19 Tubular Condenser (.01 mf., 900 v..) 20 Resistor (470.000 ohms. 14 watt) 21 Resistor (130 ohms, ('4 watt) we 22 Tubular Condenser (.09 mf., 900 v.) 23 Output Transformer Part of Speaker No. I.F. 470 KC. 24 Speaker 25 Tubular Condenser (.04 ml., 400 v.) 26 Electrolytic Condenser (20-20 mf., 150 v.) 27 Field Coll Part of Speaker No 28 Pilot Lamp 29 Line Resistor 30 Push Button Switch 31 Padding Condenser Strip COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS J 1.1.4t ® 0 I.F. 470 Y.C. /NM al 11,15 it& la TRANSITONE HOME RADIO Seim. Na. Descriptien 1 Antenna Transformer Philo Port Na. 32-3188 2 Tubular Condenser (.0015 mf., 200 v.) 90-45558 3 Tuning Condenser 31-2428 4 Switch 42-1406 5 Tubular Condenser (.05 inf., 200 v.) 30-45198 6 7 Tubular Condenser (.15 mf., 400 v.) Resistor (47,000 ohms, it watt) ... 30-45058 .33-347154 8 Mica Condenser (110 mint.) 30-1130 9 Oscillator Transformer 32-3167 10 Tubular Condenser (.05 mf., 200 v.) ..30-45198 11 1st I. F. Transformer 92-3149 12 2nd I. F. Transformer 32-9150 13 Resistor (2.2 meg., M. watt) 33-522154 14 Mica Condenser (250 mmf.) 61-0033 15 Resistor (22,000 ohms. 34 watt) 33-322334 16 Volume Control (500,000 ohms) 83-5306 17 Tubular Condenser (.01 int., 200 v.) -30-44798 MODELS PT -49 AND PT -51 Seim. Mess Na. Description tort Na. 18 Resistor (4.7 meg., M watt) 33-547154 19 Kaiaks (220,000 ohms, M watt) 33-422154 20 Tubular Condenser (.01 mf., 400 v.) 30-45728 21 Resistor (470,000 ohms, it watt) ... 33-447154 22 Resistor (130 ohms, )9 watt) 33-113336 23 Tubular Condenser (.04 inf., 400 v.) 30-41198 24 Output Transformer Part of Speaker No. 25 Speaker 96 Electrolytic Condenser 36-1469 36-1469 (20-20 int., 150 v.) 30-2382 27 Field Coil Part of Speaker No. 36-1469 28 Pilot Lamp 34-2068 29 Line Resistor 33-3367 30 Tubular Condenser (.04 mf., 400 v.) -30-41199 31 Push Button Switch 42-1485 32 Padding Condenser Strip 31-8293 PHILCO TRANSITONE HOME RADIOS - MODELS PT -57 AND PT -65 &horn. No. Description 1 Loop Antenna Assembly 2 Tuning Condenser 8 Tubular Condenser (.05 mf., 200 v.) 4 Tubular Condenser (.25 mt., 400 v.) 0 5 Resistor (47,000 ohms. M watt) 6I Kies Condenser (110 mint.) Oscillator Transformer 8 Tubular Condenser (.05 mf.. 200 v.) 9 lot I. F. Transformer 10 2nd I. F. Transformer 11 Resistor (2.2 mess., '4 watt) 12 Mica Condenser (250 mod.) 13 Resistor (27,000 ohms, 34 watt) 14 Volume Control (500,000 ohms) 15 Tubular Condenser (.01 nt., 200 v ) 18 Resistor (4.7 mega., 1,4 watt) 0 17 Resistor (220,000 ohms, it watt) 18 Tubulsr Condenser (.01 mf., 400 v.) 19 Mica Condenser (250 mmf.) 20 Resistor (470,000 ohms, Si watt) 21 Resistor (130 ohms, 34 watt) 22 Tubular Condenser (.04 int., 400 v.) 23 Output Transformer Part of Speaker No. 24 Speaker 25 Tubular Condenser (.04 inf.. 400 v.) 26 Electrolytic Condenser (20-20 mf., 150 v.) 27 Field Coll-Part of Speaker No. 28 Pilot Lamp 29 Line Resistor 30 Push Button Switch SI Padding Condenser Strip ' 4 a I.F. 455 KC. azz.,3 12d TM 7.137 1.C.4 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 7 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 7 0 / Mal I 04. I.F. 470 KC. 2:7.2 .321 ZIA PI-IILOO TRANSITONE HOME RADIO MODEL PT -59 Wm. No. 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 17 DescrIptioa Pails* Part No. Antenna Transformer 32-3164 Tubular Condenser (.0015 mf., 200 v.) 30-45553 Tuning Condenser 31-2435 Switch 42-1406 Tubular Condenser (.05 mf., 200 v.) 30-4519S Tubular Condenser (.15 mf., 400 v.) 30-4505S Resistor (47,000 ohms, V.. watt) 33-347154 (110 mmf.) ,...30-1130 Oscillator Transformer 32-3152 Tubular Condenser (.05 mf., 200 v.) 30-45198 1st I. F. Transformer 32-3149 2nd I. F. Transformer 32-3150 Resistor (2.2 meg., 1/2 watt) 33-522154 Mica Condenser (250 mmf.) 61-0033 Resistor (22,000 ohms, 1/2 watt) 33-322334 Volume Control (500,000 ohms) 33-5306 Tubular Condenser (.01 mf., 200 v.) 30-44799 Salem. No. Description 18 Resistor (4.7 meg., V. watt) 19 Resistor (220,000 ohms. 1/2 watt) 20 Tubulax Condenser (.01 mf., 400 v.) 21 Resistor (470,000 ohms, 1/2 watt) 22 Resistor (130 ohms, 14 watt) 23 Tubular Condenser (.4 nil., 400 v.) 24 Output Transformer Part of Speaker No. 25 Speaker 28 Electroyitie Condenser (20-20 mf., 150 v.) 27 Field Coil Part of Speaker, Part No. 28 Pilot Lamp 29 Line Resistor 30 Tubular Condenser (.04 mf 400 v.) PMtla Part No. 33-547154 33-422154 30-45723 33-447154 33-113338 30-41198 36-1469 36-1469 30-2382 36-1469 34-2068 33-3367 30-41198 PHILCO TRANSITONE HOME RADIOS - MODEL PT -66 sass. a mid No. Description 1 Loop Antenna Assembly 2 Tuning Condenser Tubular Condenser (.05 mf., 200 v.) 4 Tubular Condenser (.25 mf., 400 v.) 5 Resistor (22,000 ohms, IA, watt) 6 Mica Condenser (110 mmf.) 7 Oscillator Transformer 8 Tubular Condenser (.05 mf., 200 v.) 9 1st I. F. Transformer 10 2nd I. F. Transformer 11 Resistor (2.2 megs., 1/2 watt) 12 Mica Condenser (250 mmf.) 13 Resistor (27,000 ohms, % watt) 14 Volume Control (500,000 ohms) 15 Tubular Condenser (.01 mf., 200 v ) .9)) 16 Resistor (4.7 mega., '1 watt) 17 Resistor (220,000 ohms, '1/2 watt) 18 Tubular - Condenser (.01 mf., 400 v.) 19 Mica Condenser (250 mmf.) 20 Resistor (470,000 ohms. 31/2 watt) 21 Resistor (130 ohms, 34, watt) 22 Tubular Condenser (.04 mf., 400 v ) 23 Output Transformer Part of Speaker No. 24 Speaker I.F. 455 KC. 25 Tubular Condenser (.04 mf., 400 v ) 26 Electrolytic Condenser (20-20 mf., 150 v.) 27 Field Coll-Part of Speaker No. 28 Pilot Lamp 713 29 Line Resistor C,JLLJLUL rs. 3AZI 2261 ZAQ Ut/ 1. 30 Push Button Switch 31 Padding Condenser Strip OMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS ANT JC) I.F. 455 KC. Xda 3= WS 311 ZiA PHILCO TRANSTTONE HOME RADIO MODEL PT -67 Salient. No. Description 1 Loop Antenna Assembly Phileo Part No. 38-9937 Schein. Phiko No. Description Part No. 18 Tubular Condenser (.01 mt., 400 v.) 30-45728 2 Tuning Condenser 81-2437 3 Tubular Condenser (.05 mf., 200 v .1..30-45193 4 Tubular Condenser (.25 mf.. 400 v .1..30-4604S 5 Resistor (47.000 ohms, 14, watt) ....33-347154 8 Mica Condenser (110 mmi.) 30-1130 19 Mica Condenser (250 mmf.) 61-0033 20 Resistor (470,000 ohms, 24 watt) 33-447154 21 Resistor (130 ohms, % watt) 33-113336a 22 Tubular Condenser (.04 mf., 400 r.) 30-41198 23 Output Transformer 7 Oscillator Transformer 32-3152 8 Tubular Condenser (.05 ml., 200 v.) 30-45198 9 1st I. F. Transformer 92-3177 10 2nd I. F. Transformer 32-3178 11 Resistor (2.2 megs., % watt) 33-522154 12 Mks Condenser (250 mmf.) 61-0033 Part of Speaker No. 38-1489 24 Speaker 36-1469 25 Tubular Condenser (.04 Inf., 400 v.) 30-41198 26 Electrolytic Condenser (20-20 mt. 150 v.) 30-2382 27 Field Coil Part of Speaker No. 36-1469 13 Resistor (27,000 ohms, V, watt) 33-327334 14 Volume Control (500,000 ohms) . -33-5306 15 Tubular Condenser (.01 ml., 200 v.) 30-44798 16 Resistor (4.7 mess., 14 watt) 33-547154 28 Pilot Lamp 29 Line Resistor 30 Push Button Switch 31 Padding Condenser Strip 34-2088 33-3367 42-1485 91-6324 17 Reolotor (220,000 ohms, 3(y watt) 33-422154 PHILCO TRANSITONE HOME RADIO - MODEL PT -69 ® TOMO. C041912011L Ightm. No. Description 1 Loop Antenna Assembly 2 Tuning Condenser 3 Tubular Condenser (.05 mf., 200 v ) 4 Tubular Condenser (.25 mf., 400 v ) 5 Resistor (22,000 ohms, % watt) 6 Mica Condenser (110 mmf.) 7 Oscillator Transformer 9 9 Tubular Condenser (.05 mf., 200 v 1st I. F. Transformer ) 10 2nd I. F. Transformer 11 Resistor (2.2 mess., 4 watt) 12 Mica Condenser (250 mmf. ) 13 Resistor (27,0(10 ohms, % watt) 14 Volume Control (500,000 ohms) 15 Tubular Condenser (.01 mf., 200 v.) 18 Resistor (4.7 mess., % watt) 17 Resistor (220,000 ohms, % watt) 18 Tubular Condenser (.01 rd., 400 v ) 19 Mica Condenser (250 mmf.) 20 Resistor (470.000 ohms, % watt) 21 Resistor (130 ohms. 1/2 watt) 22 Tubular Condenser (.04 mf., 400 v.) 23 Output Transformer Part of Speaker No. 24 Speaker 25 Tubular Condenser (.04 mf., 400 v ) 26 Electrolyi le Condenser 120-20 ml,, 150 v.) 27 Field Coil Part of Speaker No. 28 Pilot Lamp 29 Line Resistor 30 Connector Cnhle 31 Complete Clock (For 50 Cycle operation) (For 60 Cycle operation) 21. f I.F. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS p 455 KC. 79 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS :2 A A AA A ZS as w`j iiiiiiiii:xx:OX xi: .0 . ... M w w w M RA al itA 041 CO U .4 a ; :11 01; 5115 551 8 GPO ANT 0 Is /I Mlle 77,wees, (Mbrasr DC1 -OSC tr 71 1r ILAIS 2110 OCT A VC 51 AuCPC 1044 -'"74 "tr_:4' cy r..1111,1 ll 43 A 444 44 45 A Alt All milt. mom Its. RIM. mllea vile m 0.41Sukom seadiral les, UMeaeraST) !NH Org ase(M111 RP% A' i/ SANT or.F:1;(s Stu AI A7 4.4 AZZ U.= 7=1.4=1: I.F..455 KC 00 095 11. 141 11 .10.1 ILS:510 1 Rea 'Cu'. /10. 1 a 3 4 5 7 7A 9 10 11 12 13 14 II115 17 80 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 111 DI9CIPTIOP1 Loop Assembly (1Iroadcast1 .. LCMoooomrappCAeonsenulstsoMrrnnbs.leyr((S2h5o0rtmWm.v.ld.e)I .. .. Resoto (1.0 mall- 14 wIll T5R.umb5lui.slatTorrrCa(1no0nfo.t0ir0.n.0.m..or(h.0n45mrnr.bnl/lltdyW.) att) TROOusssntccIaniiltllgleaartCtoo1orr2nT2Tdr0aera.nn0nss0effoo0rrrAmornshesemrer(,mS(1Sbh/lr2oyerwdt 1ea1ltot1/t1) 1.) CMIlowimca(pteConorsna(dt4oor7n0..0(11o0hmmrs,tlriesl w/ tt) ...... Resistor (4700 ohms, 1/. watt) 1111tra Condenser (500 Id.) MRet,*siCtoorn(d3e3n.s0e0r0(4a5n0n0.,m1r/nafeWl.)att) PNA.R. T 3350-.91510157 9311..01033538 334103311 30-4515 32.3210 113.310335 3313--2432725334 32.3245 3321..35212000 3303..1214370339 333300-..11111049 33. 111 20 21 22 23 24 25 24 27 28 29 30 31 33 Tubular Cond./se, (.05 5.,14.1 2R1nsetdisIIt..orIF.(.T4Tr.a7rnams.(.o.o.s.r.mm. aer, 1RE1lsc4i1llro1eirMly(o2(ric4(20C.02amenehegrn.,..v..1 Assambly Amweamtttbly wwatat tt)... ( .8 rnf.. 1110 V ) 1V4ol,uCmeenCdonnetarorl (a2n5d0OInnm-O,sR1.S)witch Tubular Condenser (.004 mkt.) 5TRMT4uuei1cbsb1auiu1sl1tlaCao1rrro1d(n0C1e,d.o(0.4l.d..m7.,.en.(.eg1.w..1.,(0A(.1.01r/r1Ra1nmmwwaaa1otitldt.dt))).1) 30.4519 32.3222 32.3223 1333-523339 3330.2355 51-0033 3320--54351705 3330-4511 3330--1111033039 30-4572 34 35 1R1e4s1is1to1ro(r7(020.3omhmegs,.,syla; wwaatttt)( 30 37 35 MOCouirntapev1anTdraVOICem(SCaOr(Ol Id)mm Assombly (Staab*, Part Ne. 311.1452.3).. 33441339 3330--51114 33-150911 35.4121 34101 1W1a1v1eASnwipitch 34-112411 .12.1499 -.CiR1 ii al 0 ei so cs i 0 ol 9 oi . t .;I V / .4. -L -L .7 CONNECTIONS SHOWN IN DOTTED LINES ARE FOR MODEL 40-124 ONLY ... .d . of o: ci . 0 . .0.03 .. t 1. crl 0 Os so 01 0 c0 ots 1. -1- 41tt_0-'V LF.= 455 KC. SNACK MIR (004 tun. soma MICR 01 CHASSIS, IN POSITION IN.1(111111140CAST). Tubular Condenser (.04 lord.) Output Trensfermer (114.4ke Part N.. 341-1441-1) Oillmeillec Part N.. 30 .1400.0) Can. and VOielP Cell Assembly (114ealtor Pert N.. 10-1400.1) ($ember Part N.. 20-14611-11) 4112 Oell (Replace Speaks Part N.. )1141440) Candenem (2620 lord.) Filament Resister PI let Lamp Tubular Condenser (.04 /510.) PPu5slah*b, utton iwitsh (MOO 40-124) (11101 40-124) Mayo Switch 30.4111 )1.0047 )3.0044 36-4113 10.411) SO -2403 33-33711 34-2004 30-41111 43-1512 31.6312 43-11105 STSTS 42100.,S(DOELT9 COMP RS 24 M 28 ARE Al TOP OP TUNIMII COND. 20 AT MN; 24 AT REAR. ;VT TUNING CONOCNISTAI G9A-Ce/SC. SWITCH SHOWN PROM REAR OIT CHASSIS. BOTTOM VIEW . IN POSITION Nat (BROADCAST) wL.tt"LLc.L*aL.w3T*s.ur..ooc. -- ammo, ENO Or ckosto) MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS ®__77 o,ou 74 8 MN 0' Val -03111.1 Modals 40-140 and 40-145 SWITCH SHOWN MOM REAR OF CHASSIS. (BOTTOM VIEW. IN POSITION 11141 SHADED AREA INDICATES RING AT MONT Of SWITCH WAFER. UNSHADED AREA INDICATES RING AT REAR OF SWITCH WAFER. so Sr DIRECTION Of ROTATION FROM 111411 OF SWITCH. DmOoOYM(0a10s4s1ssr0s (010000 000010 N YT 111010.LATKar Or Wort cows PeorTeri AT LOW IIIIItotioc (NO Of MAL 100(11.0(0 S. 00051 1.11 g 114 11 IC 2 Loop Assembly (Brmdcast) CMRLoemimmcipattoACortrsosm(/nd1dmo0.r,b(03l0y100(SonhhtomrnrstIt,WiV.)aeyP.)ratt) I.F..455 KC. 2A 3 4 CMMoiimccaapeCCnoosnnatddo..r((510n0p0nendo.n) (tl.) 5 Ulan 7 MNTTuumibbciuuaslltaCaorrroCCn(1odo.nn.0dd(2.. 1((..00011m. mmm/ff/(sddl...w))) att) mi 10 RRmesiisstteorr(3(339,0000Ms.n..mVs.sMwAattw) att) 11 Tubular 12 rir,1000:m71.0", .1/s watt) 13 1145 1107 MRRR.eeiscsFiaei.stGTeterrearo(n3d1a0.e0.(o01r00Mmo0ememrh.,mm.fy.de../)3w. -aMtt)M) Resistor (4700 tonna, Vs watt) 1145 TTItuumbbiuuslltaaorrrC(4o7ned0t..M((..01o1mttm,fdVf.d)s.)watt) 21 Oatillabar Tranttormor COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 83 111C234 MRSCMioeilicsmncaiaesrCmtCoMomormin(aen3dt.ae3.(r3.(C015(o01330n00d0os.ehn(cmt5tra0fnsmd0.(.4))V)s MMNH.)O 23111.4-9381952 111-0033 33.3103311 333001.--190093092730 31303-0--1500130033339 30-41111 333033---41353311313313311 33$30321---.31331141937014323309 3133..11147335 30.4134 3331013--0--421011413171393139 31300E-.141113374 30 211 30 333133 34 31 37 9490 41 41 TlRNNoummotbsiiulIsa.elttatooerFrrr.C(((T43o173rn.a00.d0n00.0s0(0.s.h0eArM19tts1sos1m.ymnf.fW.iVlV.S).a0w0u0am1t)tt)t) a1Vn1o1dlu1Im1. 0Fee.CrTo(3rna.t2rnosNl. (NA.1Im..NVyesg,.,4N.) TRuebsuislater rC(o4n.d7.m(.0e1g.m. IeCd.)0).01/ MTTRuumibbciuaosl)taCearrorCn3Cod3on.0nd(.d20. 5.00(0..00ae00vl34moitmdso.fIf1tdl/..3)) watt) RTTueesbniusslCtaerer(oC1t.oI0na4di ..(4.(95.0.,/1.L4r9na.t)widaO)ttn) -Off Owned, 3301-44101101 1333--3331103323200 3332--23437031130 3333034--A513211273913/1 1341473110 3/0-4tila1100 32.5333 341-4111/2 417 011 iIBONPoIMlleeodewseeMlCtio,rsoMotTtoileylrrIratF((i(Rne1t3(s3oCc7p0oMGl(no1eoodcaoImerfdn.I(.l1sViM,1pA1kWor1ww.d0AP-ada1att.1-t,tr.4))0t40H000I.VV31..))1)-1471133333)00033-44--1011112144027000134043311 .rop New 40 4.43334 snows.* CIMPINSATOI LOCATION B3 54 115 51171 LiWPluienvMteeLCSaOumMttpo1*n00S1w0rit(c.h01(-1.0111444011441.01 -145 Podelor Strip (M4441 40-141 eoly) only,) 343421-1-301340-09405411 4321.-413112411 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 8 PHILCO 6 e023 ._( 8 10 TO008 Model 40-158 J I Ell gs ".3-1-14814 rb 011 0 0 irb StrOC @ 14 0006 O© 35 4:* ADOZ 4(Ni 2 r-5 0 -0 tE1 0 I 0 ' II. 11000'0 9 0 1.7000 's 000 OZZ 931.4 CZ A 00Z-\ 0 1 ANT. TRANS 3C II OSC. TRANS. I.F.= 455 KC. z rn 08318 440o1 0 "0001.1 e "000 009 06Z 1e46o14eA O I8B I8A 49 0 la Of O 96 GP/ NI- ' W co 1. 14 TRANS. 2140 I.F. 1 TRANS. 0. ao NI 99 0- 0 tas 3.1.1100, a 7319 0033 A lL v000 91 0 900000 - c W 0C 0 .6 * 4 SCHE. No. DESCRIPTION PART No. 0001000Q_, 1 Antenna Transformer 32.3303 2 Mica Condenser (660 mmfd.) 30-1136 3 Mica Condenser (100 mmfd.) 30-1128 "B/ 4 Resistor (8200 ohms, 1/2 watt) 33-282339 5 Tubular Cond (.05 mid.) 30-4519 0 a 6 Resistor (150 ohms, 1, watt) 33-115339 Resistor (47,000 ohms, )'y watt) 33-347339 8 Resistor (47,000 ohms, 1/2 watt) 33-347339 9 Tubular Condenser (.05 mfd.) 30-4519 10 Resistor (47,000 ohms, 1/2 watt) 33-347339 tf6-6;17:' 11 Oscillator Transformer 32-3255 I-) t01o C<O 40 s v 0 12 Mica Condenser (110 mmfd.) 30-1130 13 Tuning Condenser Assembly 31.2418 14 1st I. F. Transformer Aasy.. 32-3361 15 Tubular Condenser (.05 mfd.) 30-4519 16 Tubular Condenser (.05 mfd.) 30-4519 0 O 17 Resistor (15,000 ohms, 1 watt) 33-315439 18 2nd I. F. Transformer Assembly 32-3211 0 144001"1,0 'Lt 0 19 Resistor (2.2 meg., 1/2 watt) 33-522339 20 Tubular Cond (.01 mid.) 30-4572 21 Volume Control (500,000 ohms) 33-5319 A ch 0 22 Resistor (4.7 met., 1/2 watt) 33-547339 23 Resist. (220,000 ohms, 1/2 watt) 33-422339 24 Tubular Condenser (.01 mfd.) 30-4572 Ds "091 .t^. - IA 0 442 aof. - lc 4 0a 25 Mica Condenser (250 mmfd.) 61-0033 26 Resist. (680,000 ohms, I/2 watt) 33-468339 27 Tubular Condenser (.05 mid.) . 30-4519 28 Resist. (15,000 ohms, 1/2 watt) 33-315339 29 Tubular Cond (.01 mid.). 30-45010 I`® 1 1,N yoo ea. 8143"-rni:7-9C"OMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS Q7ak000,- aliyozY z o - oz - z`0C0va 11 ) 30 Output Transformer 32-8056 31 Cone and Voice Coil Assembly (Speak r Part No. 36-1480-3) 36-4086 32 Field Coil (Replace Speaker Part No. 36-1480) 33 Elec. Cond. (8-8 mid., 450 V.) 30-2447 34 Resistor (330 ohms, 1 watt). 33-133439 35 Power Transformer (115-130 V., 50-60 cycles) 32-8055 (115-130 V., 25 cycle) 32-8076 36 A. C. Switch 42-1545 37 Bakelite Cond. (.01-.01 mid.) 3903 -DG 38 Wave Switch 39 Pilot Lamps 42-1494 34-2064 8 ro SI tW WOW R23Z 400 p DET-7CJS7 C SO 1 TUNING CONDENSER& .04L. CONWCWWIS Spam -4w 001.1111 outs PIM TWc HEW NAT OUR 2ND DC7 F VII Wow*. AO -IM 7/VC Y61 A7 A6 NO CONNECTION a TWO WNW WI HOWL 40-10 T AUDIO OCR SR OUTPUT ISO K 0"11111.° xM Al2 A11 Al A 2 A4 AA Al o AS AR 00 0 i6 0 1.0 13 Nut IT Ian er MIMS niu rtqWw'dual Se 1/1 DIRECTION Of ROTATIONS f ROM REAR Of SWITCH 1.600. OUTPUT 41 NOTE, SWITCHES SHOWN FROM REAR Or CHASSIS 00,01.1 VIEW IN 05111uN He, (6110ADCAST) SHADED RING AT FRONT or SWITCH WATER UNSHADED RING AT REAR OF SWITCH WATER T=I Philco Radio Model F3 40-150 40-155 co 174V-aiM5tAllTION 0/ DR YE CORD POINTER AT LOW rT11.01/ENCY END OF DIAL TUNING CONDENSER AT WAmuyr CAPACITY (FULLY CLOSED) IF.=455 KC. wCAnO W WPC WA 00/ R1 YOWL 411-04 o No00. 46-166 00LT 21A , 199A TOP VIEW O' CHASSIS SNOWING COHPENtATOIT LOCATION ZED ED Co C.N Z ZOOZOZ ..,.Z.6O4O0 N" I 4,m --mr,i, 11 AAA A N 0 OR 0 Type OCR THOU LW -ATM AS SHOWN 44-06 0NK // 0 \410-0-61 1 TYPO TAwO®0M01.6U0W0N-0O0T 40040 i 15 11111 rtfl Ro # so oe ..,,ouNt..o AS prows, ,..1601Xl 60-1" OWLV, crs isa natil .13.e:zees IMP:m16111110ge lP iP up IF I a) 4,creS (LT) ED 47. O© AT 0 96 0 96 111 TUNING CONDENSE 21 R F 1232 /60V. 12 DET.-OSC. 7J 7 80E 105V Li" ',7137les V. 99 0 g- (). j; 5 pisf IA 0 wxrcE I ANT. 0/1 DIRECTION OF ROTATION FROM REAR OF SWITCH. YJ 1.0004 1PIIPPPDP TT" NT\ -NI/r/r/T p P -Ft O 5300M. A 1235 IF.=455 KC. z0 Mw 13 `Tildt`'" "fkg"C) =NOTE= SWITCHES SHOWN FROM REAR OF CHASSIS BOTTOM VIEW IN POSITION No.1 (BROADCAST) SHADED RING AT FRONT OF SWITCH WAFER. UNSHADED RING AT REAR OF SWITCH WAFER. / CONNECTIONS SHOWN IN DOTTED LINES FOR MODELS 40-165 L 40-190 ONLY. (TYPE 7A6 TUBE NOT USED IN MODEL 40-160) 2ND DET. NO CONNECTION AT THIS PINT IN MODELS 40-195 L 40-190 AMC. /7A6 1ST. AUDIO 7C6 OUTPUT 4114 180 V. 170V 57 /80V OUTPUT 41 .014 FILAR NTS LESS .10 5L9. J - snow' 11.91 LIMN WIL 71 TILMITVIVIKTE-TIL 6100.n FIELD TOIL Enom LREEN 1800 21110111 LOCATION OF TYPE TAO TUBE r3 IN MODELS 40-166 IL 40-190 L'r AAVC .37A 3oert ei3OA "Li 0 ,., LOCATED AS SHOWN IN MOD-ELS 40-165 40-190 ONLY - CIO 019A OKI TOP VIEW 0 CHASSIS SHOWING COMPENSATOR LOCATION MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Model 40-160 Sch. No. Description Part No. 1 Loop Ass')- 18-9897 1A Mica Cond. (250 minfil.) 61-0033 10 Resistor (10.000 ohms, watt) 33-310339 2 Mica Coml. (1120 ninif ) 30-1140 3 Mica Coml. (250 M.) 61-0033 4. Resistor (1.0 meg.. watt) 33.510339 S Tubular Conti (.05 infil.) 111.4519 6 Tubular Coml. (.05 11)10) 30-4123 7 II Resistor (220.00(1 ohms, R. F. Trans. 31., watt) 33-422339 32.3283 1 Resistor 16801) ohms, watt).. 33-268339 10 Resistor (470.000 ohms, V. watt) 33.447339 11 Mica (250 inmftl.) 61-0033 12 Resistor (10,000 ohms. y, watt ) 33-310339 13 Resistor (33.1810 ohms. y, watt) 33.333339 14 Tubular ( (.25 mfd.) 10-4448 15 Oscillator Trans. 12.3212 16 Tuning (' I. 31 2374 17 Mica ('oml. (110 tionftL) 30-1130 IS Push Button Switch 42-1493 19 ladder Strip and Bracket Assy 31-6325 20 Coil No. 1-5411.1001) K.C. 20A Coil No, 2 650-1100 K.C. 32-3042 2114 Coil NO. 3 741).1300 K.C. 21 Coil No. 4-900-15111) K.C. 21A Co0 No. 5-1100-1600 K.C. 32.3041 22 penNatiir 41 6308 23 24 Silver Mica (' I. (371) ntinfil.).. 30-1110 Silver Mica Coml. (370 10.) 30-1110 25 1st I. F. Trans. 12-3210 26 Tubular Coml. (.1 ntfd.) 30-4455 27 Resistor (1)100 ohms, ;/., watt) 33.210339 211 2nd I.F. Trans. Assy 12-3211 21 Volume Control 11.5319 30 Tubular Conti (.01 nail.) 30-4572 31 Resistor (1.0 meg.. y, wattt).... 33-5103.19 22 33 Resistor (1(1.0 meg., Resistor (2.2 meg., Y., watt).... .13-610339 watt).... 33.522339 34 Resistor (4.7 meg., '4, watt)._ 33-547339 335 Mica Conti. (110 tumid.) Mica cond. (110 mmfd.) 3010 30.1130 11,310 37 Tubular Coml. (.01 sad.) 10.4572 30 Resistor (330,000 ohms, watt) 33-433339 31 Resistor (470.000 ohms, 3/, watt) 33447339 40 Tubular Cond. (.006 mfd.) 30-4504 41 Output Trans. 32-8056 42 Cone and Voice Coil Assy. (Spkr Part No. 36-1480.3) 36-4086 43 Tubular Coml. (.02 mfd.) 30-4599 44 Tone Control and On -Off Switch 424530 45 Field Coil (Replace Spkr. Part No. 36-1480) Tubular Cond. (.05 mfd.) 30.4123 INSTALLATION Or DRIVE CORDS. POINTER AT LOW TRCODIPKT CND OP DIAL. SANG CLOSIED Electrolytic Cond. (8-4-4 mfd.).. 30-2400 Resistor (60 ohms, ;/J watt).... 33-060339 Resistor (250 ohms, watt). 33-125339 Power Trans. 32-8055 Line Cond. (.015-.015 mfd.).... 3903 -DC Wave Switch 42-1494 Pilot Lamps 34-2064 MISCELLANEOUS PARTS Doserlptioo Part No. Bezel 27-4842 Cabinet 10398A Cable and Plug (Power Supply) L3199 Clip (Coil Mtg.) 28-5002 Dia( Drive Cord Assy. (Pointer) 27-5506 31-2382 Drive Cord Assy. (Tuning Cond.) 31.2400 IEnsscuultachtienogn B(PuusshhiBngutt(oInit)sulate 27.4843 Drive Shaft) 27-9437 Knobs (Tuning, Tone, Volume, Wave Switch) 27-4332 Description Part No. Knobs (l'ush Buttons) Pilot Lamp Socket Assy Pointer Reflector Rubber 'l(oPsileot(TLaumnpin) g Cond 27-4824 38-9908 56-1479 27-9455 Drive) Spring (Tuning, Drive Cord) Spring (l'ointer, Drive Cord) Spring (Drive Shaft, Grounding) 27-9432 28-8751 28.8953 28-8955 Screw (Bezel Mtg.) Speaker W-1834 36-1480 Socket (Type 84 Tube) ' Socket (Type 41 Tube) 27-6035 27-6036 Socket (Loktal. Type 7A8 Tube) 27.6129 Socket (Loktal, Type 7C7, 7B7, 7C6 Tithes) Tab (Dial) Tab (Television) Tab Kit Tuning Shaft TWunaisnhgeDr r(i"vCe D" rTuympAe,ssTyuning 47-6131 27-5528 27-9451 40-6474 56-6052 38-9883 Shaft) 28-2043 CO 41.1111 MM. 0.1 SHADED RING IS AT FRONT OF SWITCH WAFER. UNSHADED RING IS AT REAR OF SWITCH WAFER. SWITCH SHOWN IN POSITION No I (PUSHBUTTON) FROM REAR,BOTTOM VIEW OF CHASSIS. LITTERS INDICATE POSITION OF SWITCH WAFERS FROM SIDE OF CHASSIS AT WHICH SWITCH IS MOUNTED. At A 2 A3 MO Loo04.4 AINNCNWa_ll.. A4 AS A6 A9 A8 A7 4.;t a to 12 811 it* ,S 189 854 - 4) - 8 13418 1. 44087 a.1 OOa O R F 1232 // 020 HO V. b TUNING CONDENSER /DE T -0SC 7J 7 '24 Y. , SU 757,415 y CONNECT ONS S4014. IN DOTTED LINES Ant coo ... ODE. 40-200 ONLY . . 2ND DET 0... AV C / r 441S POINT NO CCANCC NON A YODEL 40 .240 PHASE / -AO 7A6 * * 1ST AUDIO 7C6 n/00 V 1 INVERTER .014 37 .01 V /60Y. 4 388 -TOP 3 -BOTTOM AGM 44- IN.SIT Mkt r3r 02 SF (315) .251 '.001 .251? 20 TO VIEW OF c...0010 SNOWING COMP EN SA TOO LOCAT ION PUSH -PULL 2140 AUDIO w 37 OUTPUT 42 2/5 2251 04 104A 9048 Alt 11.1A)3._. 3 2 00 40 DIRECTION OF ROTATION FROM REAR OF SWITCH. I. A .014 3 .0114,4. MK - PUSH -PULL 2N0 AUDIO 37 to wo COQ hnE NNT - A 2/51 OUTPUT 42 -* NOTE A I.F.= 455 K.C. TYPE 706 TUBE 13 NOT USED IN MODEL 40 -IRS. RECTIFIER 80 ALYE IR Co. /FM IMAM 0. I r- IQ 0 ASO 1R BONE W700 ORLY. MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS (D= PHILCO Model 40-165 (D. pVa - *000.41:40 o000.1111 0 egg v_.A.:Zk441' 1lY101)1 SAlvVsne.. ,C) did O AIRY 0 e '7 fr.I7 SverTcH SHOWN FRON REAR OF CHASSiS,BOTTOse VIEW, IN POSITION Net, BROADCAST SHADED RING AT FRONT OF AB SWITCH WAFER UNSHADED RING AT REAR or SWITCH WAFER 1C45..,13L3L APrPGON, IFE 111ItILJENCv 9 IkL,rOiAAIi 444 CLOSLO Oil 77 T031S SC N[. No. DESCRIPTION IIA 14 224 7 3 LMoiocpa /Ctoollnsd,..((r2o5a0dcmamst)/d.) LRoeospisAtosry(.1(0S.0h0o0rt W01a10v1e11). V. watt) Compenstator (Part of S. W. LOOP) MMiiccaa CCoonndd.. ((L2O50OmP mrn/md.i)d) 5 MRiecsaioCtoorn(d1..0(Sm,emgi.d. .v)g watt) 7 TTuubbuullaarrCCoonndd. (.(0O5Smmldid.l.) 9 10 11 12 13 14 15 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 9 16 TRRRRMu.eeeibcsssFuaiii.sslsaCttCtoroooorCrrnu(((od133pn.039ldi(..n001.0g000o00(0Th0motroua5hh*mnmmmVidssiad,.,).w1)iv/a2-ttww) aatttt)) RTuebsiusltaorr (C4o7n.0d0.0(2ohmmisd,.) 1,Ig watt) 17 Resistor (150 okm, 0/ watt) IS 19 20 21 TRRaeebssuiisslattoor rrC((o44n77d00.0ooh(.hm1m*ms1,i,d1/o./)awwaattt)t) Resistor 14700 ohm* 1/ watt) 22 23 24 OMRseccs.aisTCtrooarnn(ds3..3(2.03000morhnmid.,), I/a watt) 25 Cc mpansator (Single) 22171 29 29 CM/,CschmaoRCooonstntodet.on(r5S(32w00i'atcmchtmio. /nd).) adder Strip and Bracket Awy. 30 3300A4 CCCcooitiill NNNooo...321(((756445000--1-11301000000NKK.C.CC.))) I 33114 CCcoiitl NNoo.. 4S ((1190000-.11560000 KN..CC..))) 32 33 34 Silver Mica Cond. (370 rnrnid) S1silvt eI.r MFi.caTrCanosnd. (370 svicrad.) 35 Tubulor Cond. (.211 34 Resistor (33,000 Oh... 4.2 watt) 34 39 40 41 42 43 44 4 RVoelsuimsteorC(o2n.2troml e(5(.0. 0t/,o00w0aotth)n,$) RTMTRRTuuueeeicbbbsssauuiiiussslalCltttaaooorrorrrrnC(((Cd134oo.037n(n000d1d0.,.100.((o00(...(0h000.r10m1noo0mm.hmh30mimididd/m).s....).)1iwdy/2.aa)t.wtw.).a.atttt)) 48 49 50 51 TRTOCoueounbsntpeuiesulotCtoarorTnn(rd1atr0vnoo.sl0.aicnme(d.eC0Og0o.n,6il1-mAO/slfildfywS..a)wtt)itch (.4 wag ) 53 Ele(Scotrko,.lyPtiacrtCNoon. d3.41(4-144-1610m-3id) .) 54 55 TFiuebldulCaor iCl (oRnodp.la(c.0S6pmkrf.dP.)a..r.t 54 57 50 59 RMPLioenasweoiseiCstroto*Tr,nr((da22.2n7(so0..0h(o1m1h-1.sm00,1sAv,m/osIlitwwd, .aa)tttt)). MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS peration RECEIVER CIRCUIT ADJUSTMENTS - Models 40-215, 40-217 SIGNAL GENERATOR Output Connections to Receiver Dial Setting 78 1. F. Grid 470 K. C. 13.18G Dot. ()sc. Grid 470 K. C. Use Loop on Generator 18.0 M. C. Use Loop on Generator 1500 K. C. Use Loop on Generator 580 K. C. Use Loop on Go 1500 K. C. Use Loop on Generator 3.5 M. C. Dial Setting 580 K. C. 580 K. C. 18.0 M. C. 1500 K. C. 580 K. C. 1500 K. C. 3.5 M. C. RECEIVER Control Setting Vol. n ge Switch "Brdest" Vol. Max. Range Switch "Brdcst" Vol. Max. Range Switch "Short Wave" Vol. Max. Range Switch "Brdest" Vol. Max. Range Switch "Brdest" Vol. Max. Range Switch "Brdcst" Vol. Max. Range Switch "Police" Adjust Compensators 41A,4IB 38A, 38C, 3813 29B, 2A 29, 8A 30 29 29A, 8 SPECIAL INSTRUCTION Turn Out 38B Fri Note A Note C, Note D 2A on SW Loop Note A Rollgang Note B 3 VOLTS SCHEMATIC DIAGRAM OF WIRELESS REMOTE CONTROL UNIT FIG. 3. SCHEMATIC DIAGRAM. WIRELESS REMOTE CONTROL. CONKS SIAN [000 DMOLADITND 000 MAIM - .A.COI.MM../ STIPAIDI 1.10T011- \ SWITCH 111:11:11: * SWITCH is SI TOMSL IL1 SPARK FILTER ASSEMBLY 0.44 Or snow,. Soil Os 0, - 0 MOTOR T5881. 0 STEPPER UNIT COMPLETE FIG. 4. WIRING OF STEPPER UNIT, WIRELESS REMOTE CONTROL. 38AolY 335C5a., 041A TO 4liteervo. OCT-011C DIU 500 DC? k-V410 1STAAAUUDDIOIO 200 0 0295 29A OUT PUT rnAM raAMs 30 NOTE A - DIAL CALIBRATION: in order to adjust the receiver correctly the dial must be aligned to track properly with the tuning condenser. To adjust the dial, proceed as follows: With the tuning condenser closed (maximum capacity), set the dial pointer on the extreme left index line at th. low free . end of the broadcast scale. The arrangement of the drive cable and dial pointer is shown NOTE C - If two peaks (signals) are ob d on the aligning meter when adjusting the oscillator padder No. 29B, tune the padder to the d peak from the maxi- mum capacity position (screw all the way in). NOTE D - II two peaks (signals) are observed on the aligning meter when adjusting the loop padder RA, tune the padder to the first peak signal from the maximum capacity position (screw all the way in). When adjusting the padders to this first peak roll the tuning cond (rock) *lightly back and forth to obtain the maximum readings on the aligning meter. POMINISTIA=LLAAlTLlIeOONsWsMAOW=MO.KDCoORM COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 91 sc--"Orinin, complicit* 6J7 G I So OCT -0SC. 6 A8G 100V POE..' /30V IF 76 260 V 2ND. OCT 1ST. 10 0 C) 11% 0.4 PIRALl 1 vemereirwm ruo or *WI r*SitiOr. notao WOO.. Oily CVO, Or Orono trona TX.P.T.WIL17,1". u117 own (171 mut SCHEMATIC DIAGRAM MODEL 40-216 ra IE LESS./. 76. Y MOM .ISLA `r L L g74S774.7.4"' 11:=470KC. MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Philco Models 40-501 40-502 RED (VOLUME CONTROL) PEEN (.1 TRANS) LACK (CATHODES) WHITE (a - I- 0. < 0 l'O t3oCi 21;1^ '21+ NIVVVv,/s. .17'9Z3 'VVVVVV \ V./NZ* AAAAA. PHONOGRAPH WIRING AS USED ON MODEL 40-502, CODE 121 wt VVVVV` I PHONOGRAPH WIRING AS USED ON MODEL 40-302. CODE 122 "-so 0 'Cu'. No. DESCRIPTION 1 Antenna Transformer IC? is IOC'. 0`.9 EN 2 3 4 Condenser (.0015 mid., 200 volts) Condenser (.011 in.., 400 volts) Condenser (.15 mid.. 400 volts) U 1IA Tuning Condenser Antenna Compensator, Part of I 0 c<o S Resister (47.0.1 ohms. Model 60502) 7 C°wonildl.e.nTsrear n(1s1f0orfmmneidr) 0 1^s, 9 Condenser (.05 mid., 200 volt.) 10 1st I. P. Transform. 11 2nd I. Transformer 12 Resister (2.2 rnegohma) 13 Condenser, Mica (260 nonfel ) 14 Resister (22.000 ohm*, Model 40 - Cede 122) - G949 La Q.9 In 11 Voluf. Control 16 Condenser (.01 mid.. 200 volts) 17 moolotot (4.7 ...ohms, 111141 40-502. Cede 123) 15 Resistor (220.000 ohms. Model 40-502 Cede 122) 19 Condenser, Tubular (.01 mid.. 400 volts) 0 20 Resister (470.000 Nobs. Node( 401102, Code 132) O 21 Resister (130 ohms) 22 Condenser (.02 mid., 400 volts) 23 Output Transformer Pew eat with Speaker 35-1401-1 ger if. with Speak. 341.1409-9 24 Cone Aasiembly for Speaker 36-1409-1 SCES. OCHE. Cone Amsernbly for Speaker 311-1409-9 No. DESCRIPTION No. DESCRIPTION 25 Field Coil-ileplace Speaker 30-1460 31 Condenser, Tubular (.01 no. ) 32 Radio -Phone Cable. Ned. 40-S01 Radie-Phone Cable, Model 40502, Cede 121.122 33 Motor (Itil volts. 00 4701.) 40501. Cede 121. 40502, Code III. 40502. Cede 122 34 Condenser (.002 Dad.. 40-1/01, 405011, 37 Resister 1100.000 ohms, 40501, Code 121, 40502. Cede 121) 34 moototto (100,000 on., 40501, 40.503, Code 121) Resister (47.000 ohms, 40-502.Code122) 39 Condenser, Tubular (.05 mid., 400 volts) 40 Radio witch (Node( 40501) 20 27 REleeactlr.o.lytic Condone. (2020 mfd.) 25 Pilot Lamp 29 Condenser (.15 mfd.) 90 Meter Switch (40501, 121, 40502 121.122) Code 121) (Model 40.502. Cede 121.122) condenser (.004 mfd., 40102. Code 122) 41 Pickup Crystal Cartridge 35 Condenser (.03 mid., 400 volts) 40-501, 40-102. Code 121 34 Pickup Coble 40-502, Co. 122 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 613 R r 7C 7 !INNING CONVENSCR DET -7AS0 SC 180V 2ND UCT If 707 A V C IS T. AUDIO 7C6 60y .0044 OUiTsPsUT SKIN SIC on to Cis. INMMG 10540 DOAK 0 Mini. 44144 vvVvvs 1.11015. is\ 200144 TILAPCITS R11 if 110.TA'r A3 A4 A2 As seolueseASLASN ewWswOavIOe NAG I.E.455 KC. SWITCH SHOWN /MOM PICAS Or CHASSIS. BOTTOM VICW . IN HOS- -ITICIN Hal (INICIADCAST) w etALLATHIH pf Z0/r0g1e1 M.: Q. O H/ MOMS 000011 awn ewe ,..AAA 24 SIMIS.11 MISS/ SO101 ess4usseetmeree....-1a. .40044. - (11)11./ Men 005C TRAM. 'MONS. S *MAIM SCHEMATIC DIAGRAM MODEL 40-S03 L 40506 SlanSe. vtao .44040 44 Sali...141 T.0000 0 TUNING CONDENSER DET-OSC 7J7 767 SO 2ND OLT A V C 1ST AUDIO 7C6 .004,4 OUTPUT 795 60 V ... ma I' 1a = I 3 : in --i-- a, 0 1111 co AS A4 A3A A3 A2 AIW MAIN .2. FILAMENTS 2004 FIELD COIL e AS A7 AEI 9 WA1O N LW .1 300 RECT 774 TIMR-1,RIEN la of of 320., ON SWITCH SHOWN FROM REAR OF CHASSIS, BOTTOM VIEW, IN POSITION No.1 ENCAST SHADED.AREA INDICATES RINE. AT FRONT Of SWITCH WAFER UNSHADED AREA INDICATES RING AT REAR OF SWITCH WAFER 30 al. DIRECTION Of ROTATION FROM REAR Of SWITCH 00SC TRANS _.HOMY *Awe, RUIN TUN DRIVE CORD TO NAVE 3 TURNS 1=0 AROUND TUNING I.F.:455 KC. 339 33A 208 13N of DRIVE CORM POINTER AT LOW rOCOuENCy END Of DIAL GANG CLOUD (De 28A' 10631 27A 111111122S5A TOP mot of CHASsm 3810111110 COMPANEATAN LOcATtow SCHEMATIC DIAGRAM MODEL 40-507 0 UI 0 Fd co 0 F ISO V. 111V 0ET-0 SC 8./8C TUNING CONDIENS I f J137 2N0 OET A VC 15T AUDIO 106 ror, SE A INpVERTER 7A4 BI 611 el 159 a 86 82 83 154 e 5s 6 B RECTIFIER 80 0500,4 Al2 All A R it - 1 1 A2 .NONE= SWITCHES SHOWN FROM REAM Or 40 111 CHASSIS VIEWBOTTOM IN P05111001 mic, Sr AS N. 2 (BROADCAST) 017 09101100 Fsow 0000 How maw( TS TO KW. 0.0.0110 SHADED RING AT FRONT OF SWITCH . # 0011,7 A8 A cl A4 WAFER UNSHADED RING AT REAR Of SWITCH AS WAFER LETTERS INDICATE POSITION Of SWI1 7 AT /16 wAFERS /ROM FRONT Of CHASSIS CD /16A R 1. SSfign CO coutcrs 10 P0000 PING (01101(11001 1,011 MUD t401010 Nun IN 05070 I010 OR 2211L2=1: 1111 INIDIN NA 117 FIR mitoomukt. Mtte1011U 10(000 EAMON PUT NA DS- IOAN.enrirousts SCHEMATIC DIAGRAM MODELS 40-508 8. 40-5 0 9 0Y1(1w0101t5n,46«Y' 0(0M.I05050i1tI111 KT -05C 6/6G ,./705 111 II 75 r /SOY 106 A A A A2 '4.ft, A tm eon Liri, MNayvY.Vw orrr.:F=N 11 ==r4.3t3r. I.F.= 470 KC. 8 6 CANT Au" 230V CCNT Awe 0J7C 056C. 2300 T1°' HvRATRON 00. 2A6G Xr-nrtt,7.1' IT ['Mt Owl COMINITI SIT Ii ivili I ) SCHEMATIC DIAGRAM MODEL 40-510 Wit ILLS , rr Mum 76, F7.16.11-111111m Fmts Cw "4 3457 rt. SS f7`" cr] 14041 PAD. co 2 Oeet R F 7C7 l81 V 85Y TVNINC. CONDENSER r DET-OSC. CO 7A8 /80 V 2ND DET A VC IF 787 1ST AUDIO 7C6 60Y .0044 OUTPUT '170 V WISED 185V ear WNI VS0paor. 111E1111SM 0 0 SLACK .2A SLUM FILSIAIRTS 51111171? AILS I- O 320A A3 A4 A2 5 Al A8 eiRC.1-105 Or NUTAT,...1 FROM MEAN Or SWITCH I.E.455 KC. SWITCH SHOWN FROM REAR OF CHASSIS. BOTTOM VIEW IN ROS-ITION Net (BROADCAST) iNsTALLA/1.N Or 0511E CON OS ...WEI, AT COW 'ME2VENCV ENO 0.A.- At cunco CAAn.(... TOEKH, 3a..4I To.,..1 RI TIMM 80SC TRAMS. SCHEMATIC DIAGRAM MODEL 40-525 220A 4/A O MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 12587 RE TR. SW15rne.-"` 125A7 12587 II- 3257r7n4m0r.-0 is.9,2 j310105-0PV. - 257°70°"""2-0C 5OLSG T .01-600v 22055-A .21 -26°°055-VAB 1.713 -TCE NNA 50mow f. 127723-0 73288-E- 2...T... 11 -T- J t ANT COILS / -3347 R C ILS 06 4500"' 1IR/2Cw 13293 004 0 5 720 0 -,H. 220551 250 z 71P /171. 3 me 4 MU .200005- - oon 0 0 - 2-2I 00V TIOdONE00"- 02 554TOTSL 6 P M. SPEAKER 40888 ''. 13031 22055-1< _L ...00.525-200 v. 22055-F 31-02?5c2/T ANT TR. STRIP 70969-X Dc, BC 1 400 kc. 514.1Srrtc. 2 MEG. ... 13007 /"VVVV 2 MEG. 1 3007 1 OSC TR SW I lionc C 48 Srrvr.I 5/.:0,000^ 12...)24 PJ Z 2oov t 220557 II BARS 500,000. 13024 LINK 360? 92000-H 22 5'10T-ru' Go A/01- 28I23-W C70O3C:3CL4.59 OSC. TR BC 1400 kc 8.3110-A .07 25 45050- PV. I MEG. VOLUME CONTROL SWITCH TAPPED AT 05-200V 22055-I 8"D3°.5 2°9°.°8'' Model T-121 5 BAND SWITCH 84673 G GANG CONDENSER 84668 BAL LAST R.) PIN JACKS RHONO. TELEVISION 84304-2C TUBE SOCKET Coot torn view) St v. Ve: BAND 1 ND1CAT LIGHTS . t WHITE BEAD NO.51 LAMPS .200 AMP 78889 ; 5?#.6 125A 7 1258 7 374 125K 7 6A85 05-1000 35Z4GT FILTER CHOKE 83834 40 ME D. 300V. ELEC. 23500 -MX Ltd 30 M ED 3C1).0 V. E27 3500-E ore ow 84653 VOLTAGE PtAT DIAL LIGHTS -- 22055 -AF AC OR DC fiZeTS-61 ASLPLECRIEFSIEISDTORS ARE 1/4 WATT UNLESS OTHERWISE LE 455 k c. Model T-122 213128 184:16S5531 A P -TENNA 73351-C 6587 A7N3T14c7ol L ,711 84651 RECOIL 73348 or. o8T4650w 6 SA7 7328B -E 65/(7 A.C. Receiver 3257M74M0F-0MICA ,500144E MICA )27702.0 73288 E 6507 \ 05- 600V 6F6G 22055-C 005-1000V. 22055-8 LINK G 01-2005 22055-T /13074 RP TRIM MR IOOMME, 15rnc.SW 28016-0 D5 -200V 22055 .01-400V. 22055-W N 25-400 V. 22055 -AC O 40", WW. FLEX. 836516/2-WH > . ' IR OSC. TRIMMER SW 18 rnc rn3m5 2000-14 _L 05C. TRIMMER BC 1400 kG 83110-A 05C7.3C3O49IL A 55.Y 12,000 '33282 f 2u5C/MAIAF 2" 7,-,0 1- g0- 50" i 13080 < L 9 0ck 0 ..r) 1-=2F0- 0 V 22055-T Ou MtEGOHM - anb TA IAT PPE 100,000L-o- D 83529-B S77O0M1M-0ENIICA 50,000 '4642 n U0, 0 IV. - 0 61. '+ 3 0 Q I MEG 13001 6 SPK 0884-A 02-100(N 22055 - AD. ALL RESISTORS ARE V4 WATT UNLESS OTHERWISE SPECIFIED. I F 455 kc. SW ON ,iniocrron T 16 MED. 450 V 57w4Ro. o1 T-E',TES. 23500- ....I. 5Y30 CX .. 8 MFD. 450 V 23500 -DX 00 05 - 600 V. 22055-C §- BAND A-- ANT SRCWONINATuCTNHRs8IEM.4RM610E74R66S8TRAPNOSWFEORRMER ALL FILAMENTS PPHINONJAOCKTESL6E4V3IS04IO-2NC 1is,0o/.4*c 115-230 8P3lI4V1.24 83412-1. 83412 -FR _L COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS BAND INDICATOR LIGHTS - 200 ma. 6-8V 78889 WHITE BEAD DIAL. LIGHTS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS MODELS 505, 5055, 5Q56 and 6Q7 vOLUME 0:MTROL PG, /4" Toggo.°Grf,r7Rol4Liy ,/ Cai J- POtiSP SWITCH OUT r''UT CATHODE CURRENTS (I) GSA7 Slant It.42 0.30 G3Q7 0.25 rW CEO -S 32.00 o TOTAL RECTIFIED'S" CURRENT 57MA. GSC)7 2 wPDET..A.Fs AVC. t^ ey1 GUS TUNING INDICATOR ON GQ7 ONLY POWER TRTi SKAC EY3G RECT. c-81.ACK 0 0 0 0H24 leFloai%Ft S 0 0 0 RATING C;NLWYE OSC IL LOGPAPI-1 CONNECT' ON1 C)yISIcItiktLA tIVTIC11: trriVcnaasT". eL7 ALL HEATERS G.3 VAC, EXCEPT 5Y25, 5.0VAC. DOT TOM V il4W RAAlt OP CHASSItS R -F Wiring Diagram and Socket Voltages Measurements made to chassis unless otherwise indicated, with set tuned to quiet point and volume control at minimum. Values should hold within ± 20% with 117 -volt a -c supply. NOTE: Values with star (") are operating voltages in circuits with high series resistance. The actual measured voltages will be lower, depending on the voltmeter loading. eA- .37 CC C21 C57 1000, 01001/1 ANT. COILS otIT Mtatcr&N PM) 6030, 59 6SA7 I" VET -OSC GPO 6507 r V.- BET., A.F. 6 A.V.C. tCoSo NIA" CZ wt -ator BOTTOM VIEW Or TUBE sOCKK71 10 LK TRANS. t0LKTWANS. g: was. CI! (,)T Air Ar cf../ 110 00 4 ti 0440" 0') CI'. C LS LS 040.0r X = CI4 SOW 1.10 LII CIS SS 1.4144I. as R4 WI GNI s IM klo"Awas LIG 5.10414. .0t VOLLIAC As C0t4TROL 1 MIR. @21 FRI vPID GES-G OUTPUT seers BLACK C32 MI f5a9 r evvr04... 10140 0.4 Ls FAN E TI 5-30 1104 $414R IMlign- MAO TR. SYS-6 or- 717', IMAM11- RECT I C.1-r-Cl 3300 6-30 0041, stSte LO IZ 1000^ 0 r..... OSC COILS .4 C9 uuF s -so saw 04 04%. 11a."LI:g" :Tr= ci,t :.000. 000004 .1.--, NR .4..70.414A) ONLY COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS CONNECT RADA, \ CHASSIS 'A' TOR, As 07 A CONNECT 0 TO 6000 EnTERNAL GROUND -ON TRVI-5 CONNECT ALSO TO OCIAT RADIO CHA3315 Del IA'S 1410Ar TRAe.5 .153emeAT Rey- hoeowo .- ARP 11,C dv, .0-I ALT Ct, kow, 4le7tt. i II tt/-4 6 OWN -01., 2.7.g. 4600 I 29. RI, et A.-,Et*I-i 3 MT AM 17 ISIS 11S Fix I F TRANS A3.2."! 4 , Re p - :RCO ....7... --1-- It A '41 C.c. i5.... St° 110 , F TIPAnS ' 4 PS 29214j 20- .12,..,... ,;,1; 4 it v.. RN»24w 1'',1''1 201.7, a 3.3; FIX LP TRANS 5 ,,c,- ,...,c., 7.,"'f- dal ..,,,6,,,,,,, WROIK. Raw tr 2 cs , Ay, k I SA 411 22I-.-,-"4 " ' 4. i tIta . 7a, MI ICIM2.0122 14. or 04 EARLY MODEL! 0 330I4 OOf R12 3300 .R0.02 R. 6000 RS, rt ;00,000 4 in ;k r: ..C44 . 005I cr,IY2L1102 CID RN tzopoo V.3 Cl1 GMT 3c9.1. L. MARIS T. S01,400 F 5001,0 2,9 OCT vC 645 51; 30400 I F TRAm3 ORAoST - SROTIel F 024 mt16112 C221 e RA, 1- A21R: 7..1022.-74 - at 000 C.535 2; + 'Ilitf 100o IC.5.015 Cot.; Rao 005 CS, WO ' 051 4 22 040, Id - C )11 MNI 00,000 a R r 2 Ref YERT 1142.U. R 42 10000 VERT 01K RTI 12 -4 15 R.O1A1M-O4UTPUT w. 7t,13. R.C.A. R34 Model TRK-5 27.000 C., 230.000 Model TT -5 010 ARCTIon R SS 222* TOTAL 1---Y" °°"`-' gtr:°, !ALAS r"--- ON TT I WILY R 1T 53.000 14002 O. I. 4.30441162 61 T LRIeBt TO - HI ROB ODD 23 0. R 000 TRIC-3 0111.11 1-1A00 CAROMS 1.231 229,212 Owp010va.u.CONTM (it 424) 12. Is47/ AUDIO CONT .7 29.2 99. b.-------, xt 4. 1 c.,,,,,.. CASeiraT DO RecJur1,,TAR,.L-.-0-:: I . XS X1 ...5 03 NI4010CW.IS Pedvta unit 1 Rs- II. 1 L._ __.- -.731,..en -L...., ara.. LAMP 1 clOp.,Pt TTOI .A'S rT 2,, l. TAAr :LI .Zia`T6 16 3000 NOR a MOLD WARN WON - VOLTACIS , 14:7H Alt C/ItC53U.121, - 0104 440 `V ° t2.6/2'lepi0.:(0 '0 -L-4"4-4VL.04. 2l-'5V1:5.0,-45'/-cr10 17 1 .745010 70 0 _, N.,,E,ALATA,,rR,eED0--A - E. -C. -V,A-4-1 T r.. I W3O. or $6 A, ,ATT, cilri. .i.,v.F.,.; i 1,-1° At''4):- -4.- DROWN ..1.0D TT' S' . -f- i,'' , 62.24ttr. --29: vvAll NINA I.II014 VOLTA411 i0.12 ; CIRCUIT, A R, R It 5.00o 9 650 coo D 3F.. g______ tS___,I TT -S ONLY I 0----c; ...Cli.,j_.._._--_ ACO4RMz, TO oF 7-, ----' ,--,,___-.-- , odd t 2L2Amor. I A ,_.- ReD t 0-KACK RIO TR p.n.s s....LT. AA.,....n, SI ,,,, A., "ARA.. illTS) I =I,Er;.° : 5 Ei;i:::01::::: R :. ',TART, c, 750 000 -1 3 RR, 744000 WA/18111.14. M14114 VOLTA.. CIRCUIT/ I) 3000 V QC. R41 R 40 3_1 NM 30 31 1O1 500 APR° MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Ra4 MODEL TRK-5 and MODEL TT -5 Antenna Installation : In most cases, the antenna should not be installed per- manently on the apartment or residence roof until the quality of the picture reception has been observed on a Television Receiver. A temporary transmission line can be run between receiver and the antenna allowing sufficient slack to permit moving the antenna. Then, with a telephone system connect- ing an observer at the receiver and an assistant on the roof to find an antenna location, the antenna can be positioned to give the most satisfactory results on the received signal. A shift of only a few feet in antenna position or direction may effect a tremendous difference in picture reception. Whenever possible, the antenna location should be chosen or erected so the antenna is not only oroadside to the trans- mitter but removed as far as possible from highways, hospitals and doctors' offices, and similar sources of interference. Auto ignition and diathermy apparatus may cause noise inter- ference which spoils the picture. In mounting any antenna, care must be taken to keep the antenna rods or pickup wires proper at least 1/4 wave length (at least 6 feet) away from other antennas, metal roofs and gutters or metal objects. Under certain extremely unusual conditions, it may be possible to rotate or position the antenna so it receives the cleanest picture over a reflected path. If such is the case, the antenna should be so positioned. However, such a position may give variable results at the nature of reflecting surfaces may vary with weather conditions, as a wet surface has been known to have different reflecting characteristics than a dry surface. In short, a television receiving antenna and its installation must conform to much higher standards than an antenna for reception of International Short Wave and Standard Broad- cast signals because: (1) Intervening obstacles have a pronounced shielding effect on the ultra -high frequency waves producing low intensity signals. Severe trouble with multi -path transmissions may be experienced, especially in congested city areas. (2) The picture signal is comprised of a very wide band or range of frequencies, all of which must be received with No attempt should ever be made to measure the high (2,000 volts) voltage, because of the dangers and difficulties involved. If at any time it becomes necessary to service the high voltage circuit, the suspected parts should be replaced by parts known to be in good operating condition. Always replace the red can over the 879 high voltage rectifier. The most dangerous portion of the receiver is the plate (top cap) lead for the 879 high voltage rectifier. Always be very careful when working near or with this lead. When working on the high voltage supply portion of this chassis, the following precautions should be observed: 1. Remove power supply cord from the power supply socket. 2. Use only one hand at a time. 3. Connect a shorting lead between ground (firstly) and to the high voltage side. 4. Whenever working with the oil -filled high voltage filter capacitors, keep a constant short across the capacitor, as these capacitors do not completely lose their charge after being discharged a single or several subsequent times. 5. Only one person at a time should work on the unit to prevent any misunderstanding which may result in an accident. When it is desired to measure any voltages on the Video good efficiency. (3) It must be continually remembered that the discernment of the eye is much more critical than that of the ear. portion of the chassis, the primary leads of the high voltage transformer should be disconnected and taped together. When any changes are made on the Video portion of the chassis, the locations of leads and parts should be returned HOT ZuSi 01- CI VERT. SOLD OP OSP TOWERMATCH ON TTS ONLT CoNIFIAST (014) modcwrpitss(042) PIPZI:;"'"` I ST. DET. I.P. TRANS. AS ST. 101.1.0110 COMTISM. ON T TS ONLY as closely as possible to their original positions. Service Hints: 1. In some cases the horizontal sweep oscillator circuit will radiate energy to nearby broadcast receiving antennas and lead-ins, causing interference with standard broadcast re- 17 11 v. RECTIFIER 2 1 0 SC. I ST. MT. Cg) CD/ P' 9 ST. SOUND 14 12 HOME. OSCL VERT. OSC 1ST. DISCHARGE DISCHARGE illl VERT. OSC. (ALatdlyAI.PN. . TRANS. HOME 0 sc I30 I10 VERT SYNC OUTPUT ALM RD. 1152 Pm. IX ND. SOUND LE 'RA VIDEO AMP 1ST. MX. LP. TARsAsTM. S. 4 END. MX. LX 2NDr.PAIiLIC 10 END. SOUND 1.1! SOUND SIM DET SAM. 5 SRO. MX. LE MX. ND MT. SYNC SEA ceivers. 2. If the picture "tears out" when the receiver is jarred it may be due to microphonic 1852, 1853, or 6J5 tubes. 3. The 6J5 oscillator tube should be removed without rocking it in its socket to loosen it, as the motion may cause the 80.5 mmf capacitor C16 to break off. 4. The coils or straps in the h.f. oscillator circuits should not be touched or moved or the alignment of the receiver will be disturbed. 5. The insulator on the high voltage filter capacitors may become dirty and break down to short out the high voltage. 6. The two Video coupling capacitors C44, 45, should be kept clear of chassis. 7. In some cases the metal Kinescope mounting shield may become magnetized by the earth's or some nearby magnetic HORIZONTAL CENTERING 100 VERTICAL CENTERING (R FOCUS (It HEIGHT 71:1) WIDTH (RIO) field, and thus distort the picture on the screen towards the magnetized portion of the shield. The shield can be demagnetized by passing it slowly through a solenoid which is energized by an a -c current. 102 COMPILED BY M. N. BETI'MAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Model 9TX-50 Series (Chassis No. RC -435) Is' KT.& OSC 12 5A1 I. F. AMPL. 125K-1 2"'OET.,A.E&A.C.C, I SO/ OUTPUT 35L6GT gOV. 400. 455 VC CI C2 rJ 0 S ab'-r-- 1.SA 27,0oV2 SLACK .01T 6 C OSC. O ii LOOP CONNECT IONS 3525GT-SECT. -39309-4 [SONNY OSC COIL U(9 n°,'ZZI S SC. TUBE ANO TRiMMER LOCATIONS 13 PROM 2 HAS1S Tco Alignment Procedure coOil,uatpnduttuMrnettehreArelcigenivmerenvot.l-uCmoennceocnttrtohletommetaexrimaucmro.ss the voice Test-Oscillator.-Connect pthuet arescleoiwvearscphoassssiibs,leth. rough ath.e01lomwfds.idcaepoafcitothre, antedstk-eoespciltlhaetoroutot dsihaoPlurpellda-tSbeee. tatidnjgusDteidal.sWo tihthatgtaonpgecdognedoefnspeorininterfujullstmteosuhc,htehse rpiovientteinr aiptnenacrcAlmoiutnudointtirdenaingolnnoolearnsa.ae-drnTer-iiathenerse.nonwsfIaeficttaihsibtitishnuiseeesteql.ldeuo,aiIndptgi-pstiehenmrdo., uacwylodintbhnneoeactcbobt uneainll1toe-0cni0ntgeetldoor ott2ohp0ata0nhnem1te0"mn0AnffaN.e.ceTatI",-f Connect the high Steps side of test- oscillator to-.- Tuning condenser stator (osc.) in 1 series with .01 mfd. Tune tetsot-o-sc. 455 kc .... Turn Adjust the fol- to- radio dial lowing for mu. peak output- Quiet point Cl, C2, C3, C4 at 1,600 kc (1st and 2nd I -F end of dial transformers) Full 2 Antenna term. of ant. loop 1'720 kc (out ofrnse:h) C5 (oscillator) 6 in series with 100 mmfd. Resonance 1,500 kc on 1,500 kc CS (antenna) signal mnduoucPtsefotuhwbnueecmrtii.no-Ssneu,rprteepvdleyirnsPeothtlhaeeriotpuylt.ul-geFt.oOfronorpaceo-rrcar,teircoetnvpeoornslaadlrio-tcyf, .thteIhfeptlhpuoegwsemetradypolrueegsficnourVaitc.iSocTnttorhnoceelkacctaNAinbotglte.aac3fhr1Vom0mi4cet8nrthtop.ell-auAVAgijctatttoacrckohhltiamstAhpeerntottajvaicinchdtkmeo.dethnetosnahutodhuieoldreabmaerpoltifefyrcmianibgniacntieerd-t Precautionary Lead Dress 1. 2. Dress 2nd I Dress lead chassis and -F green lead close to chassis and from away fgroanmg1c2oSnQde7nssoecrketto. grid of under other parts. 12SA7 close to 3. Dress blue 1st I -F lead under volume control close to chassis. 4. Dress blue 2nd socket. I -F lead close to chassis and behind 12SK7 POWER SUPPLY RATINGS ....... A -C Rating D -C Rating . 105-125 volts, 50-60 cycles, 90 watts 105-125 volts, direct current, 80 watts POWER OUTPUT (125 volt, 60 cycle supply) Undistorted Maximum 1.5 watts 2.0 watts LOUDSPEAKER Type 4 -inch Electrodynamic 1CI3 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS l25A7 IEE DETILOSC Model 5X5 Series (Chassis No. RC -406) 12 C8 I.F. AMP. 2.° DET. &A.V.C. 125C7 I" A. F. B REMOTE CONT. 0 SC 35L66T OUTPUT TSB ISEARE., 041 mn KNOT[ PaNNIA w 14lTara...ACE viCTRIO LA CT JACK a OTCs- VOLT AOC WI TO acm0T1. SWITC IN 'WC POSITION. POWER CORO LINE FILTER CHOKE SWITCH A S AEC EETACLE SO ,4INDICATES CHASSIS INDICATES COMMON WIRING INWLATEO OM CHASSIS POWER CORD TUBE AND TRIMMER LOCATIONS r L ttRILEIRAL SRO. PLF- 0 POWER LINE FILTER COUPLING UNIT LIES, TS aci MN./ 'C. MO OrVO4.11 SWITCH OR (VOL .CONTROL RCA Victor MODEL U-8 (Chassis No. RC -404A) 1" OCT. OSC 12 5.A1 I.F. 12$K7 2.PDET.,1,A.F. A.V.0 12507 OUTPUT 35 L6 GT FTRANS. ,oso H C 45Y. Gaamg VOLUME CONTROL .01 II - 22 MEG. NE 60 0.1 00C.. COIL O CA sE. I.1. CO .1ZSE7 ,-----, 12.1111 CO 4 re.04 I.,... LYE 'AL NOW 0,0 a PULL TONE \ I MELLOW TONE het ,L.o.0 /Tome 7,0 MAL TONE RECT. I =WV INDICATES COMMON WMINS- INSOLATS.D MORI CHASSIS DIAL LAPP` 351561 SFEmERELD _r000 112 v. FI zoot 4Be^ FRONT BIOS RADIO- 0E10E40- TORE SWITCH EIS MA. I woo PONTN11t1 870 spa rel2 31003, - 1/4114T Massa Sian 4 ISERE FRD-rnr TUBE AmoTRIMMER LOCATIONS Radio-Phow-fsee Comm, POWER LORO '-'SWITCH ON VOL CONTROL IriTeIn04 10 RANO- RIO NO. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 0C.1 L G A BOTTOM VIEW OF 1576DK705c.. TUBE SOCKETS SKT GS Q7 6F6G 1.F 2,40DET.-AF-Avc. OUTPUT RB C7 390 It 86-104 BLUE MMF. I ST I F TRANS. Lul 2ND. I.F TRANS. di,2L4IA 2L15A CR'M C.14 220 MMF C16 .005 MFD. ttl L9 35n- LIO .se -2-C2a0 4 MMF CI 10- 429 MmE C6 86-104 MMF L2 L3 R'N 2 IA 2 In BLAC 0 CIO 86-104 MM? C11 86-104 MMF, R3 BLACK 8R29oon 2.2 MEG C21 C15 .01 MF1:1 46011. 0 -RED -N Q Q Q) T2 C0.015 MFD. VICTR. TELEV.© L6 0CI - 430- MMF C5 012 150 MMF JACK JACK 470,00k HUM NEST. COIL RI 2-20 33,000 - MME R2 L7 I RIO C4 10 - 429 15,000; 47,000 SI 52 SHOWN IN V.CTROLA MIN HIGH LI 4.8 .n. MME Ft4 2 C13 01 MFD FREQUENCY RESPONSE OCH- (WISE POS4.0(CCUNITTEIRON.) 03 VOL.CONTI? RI1 1 MEG 56 -IF-REAR ro 1 GB .05 MFD iN SOME R ECEIVERS, A IS MMF. CAPACITOR IS CONNECTED ACROSS CS PICK-UP TOTAL 4 / 330,000'. SECTION 3 a ites -SC 22 .0035 MED. 10 MEA 55 RG, 470,000, CI9 .0035T MFD. I.F. 455 KC. 1:16 rC 4al MI MOTOR ?52 GO,,, RED 60e. TI c- GREEN -RED TR. GREEN- RED TR BROWN- 046 35on 60, ci7 lo IMFD F ELD r 0 0 0 \ LB 1060 n C1E1 10 MED. 0 BLACK BR 'N Ca RED 350n 60,s, 5GI 5Y3-6 RECT. C 20 BROWN 560 MMF , S3 SWITCH ON BLUE TO ALL HEATERS MOTORBOARD TURNTABLE MOTOR SPEED VOL, CONTROL BLUE & DIAL LAMP SPINDLE -REGULATOR All;Or (111 c 1 RUBBER, TIRE LUBRICATE WITH LIGHT MACHINE OIL MOTOR 'LUBRICATE WITH LIGHT MACHINE OIL. SOFT OFF --*LOUD cra' POWER -VOLUME THREE PURPOSE CONTROL TONE CONTROL TUNING CONTROL MODEL U-10 X Chassis No. RC -41 8B 0 BOTTOM VIEW OF TUBE SOCKETS. alCLOSED FOR P OPERATION 10 100 MMF C-. 1 r3 -4I10 MK CDSA7 I"DET-05C. 6K7 LF Cyv.til1i: i.4.Arti I 1,--A 1 1 WNW:, -1P -T-'0 7'''''' 65 Q7 DET.- A F -A VC 9199. Vo< itCI :...R3M1 INAo'I Ii) ios V * 5T. I.F ii,.$3 MA CO el \ ...LCHASSIS. -L, 2 NO I. F i ' /OPERATING VOLTAGE) 515 54 TRAN S. !r o IIP , .eIt,© 3in> Slo II -Z- C12 S4 F L3 L4 A HIMF. TRANS. / 911.1F. r 0243V F ir iir C I C14 I 1E I 98.5V 54 MME 0 1Io LS LG 0.62 MA. RI A 53'00 0 1009994F R C14-1 22p009 8200 CS .015 .HFD 2CA-20 HIMF 3 3 100 HirAF: ± mmE 51 RANGE sELEcToR CI I3-461) MM. CIG 0.I MEV R3 F4. TELEK 5.6 MEG t C32 56 mMF vETROLA R21 SGQ 000 Ks 35,00o .9 56. 000 A ON U40 C20 II 9410 R6 220,000 it 65F5 PI -I. INVER. 4, 1 F,F6G OUTPUT 21.5V 23 MA 255 V. cz, 4-770.e 227050020 6 F6G OUTPUT :A ;21i.ict,iclo... 21.5 V. 2 3 MA 1 MEM C8 n 5400 mr.IF. 05C.COIL5 L2 35S. C28 3-30 HINE I 561-C1.- 99MF VIEW OF SI ,52- 53 AT BOTTOM-- 'LOOKING OF CHASSIS C2 2-10 111-1F RANGE SW VIEWED FROM FRONT AND :NOWN IN 'A' BA N 0 MAXIMUM COUNT ERLOCKWISE) Po 5 iTION LI TAP VIEW LOOKING AT END OF 05C., OIL L2 NEAREST TO RANGE SWITCH. 11:.21 TAP L2 PICK-UP FRONT APRON 51 L U 4L MUToR 1C0300 MMF R 25 27.000.n. .; CS -. .015 MED R20 sapot. 1:14 VOL /CCKTROL mk 6 TOTAL 50000011 TAP Jo REAR SOME a), U-40 KECEIVEHS USE S2 -S3 SWITCH AJ10 ASSOCIATED CONNECTIONS AS SHOWN ON U- SCHEMATIC. VOLTAGES SHOULD 110LO WITHIN .9- 20% WITH 117 V. A.G. SURP1 Y. C17 005 RS 10 MEG. 145 V. ar i:Doos, 1.5 V. 0.3 MA. cpaZia. k. W0*O. 263V. _ ct, 0073 MRO. 5Y3 6 TI REC T GREEN -RED TR.2 5v RE GREEN- RED TR:- 9RowN sootoi nN ToTAL C222 MFG, O4O1P BkowN ID BELUE.i-3a_vj ALL HEATERS 10:4 VOL. CONT ROL & 0,AL LAMPS 1290' FIELD r0V\ MsoD. RC 498A U-20, U-40 I.F. 455 Y.C. 1 :9 COIL (00 0 0 Po 0 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Models 40X-30 and 40X-31 (Chassis No. RC405C & D) 1.' Df T.SOSC 12 5A-7 I. F AMPL. I E 5K 2"° Oft ,A.F. &A VC. 125Q1 OUTPUT 35L6GT LOOP L a6,7_ I.54 ISLIICIa II I *f es II 04 OSC COIL 220000'. 40v V.. ..F. T5455 45511C 4 VOL So4 CONTO t3.0.0.30^ t [to If Eto,o4.1 ,o, vc 5. --fl 0. 331.46T /- 35756T ..;VL'Tc". II C4 1Z9t7 LOOP CONN EC T 10 NS If t1 Cr TUBE avo TRIMMER LOCATIONS 4Ii''..riz.C7.;i7-Z47. 35 ZSGT-RECT. -3,309- A MN. 5`,TE0 IFA 0 01) RED 20 E 12 iN547 1/1101 SWITCH OW CeedTre0.Nzi....0 Output Meter Alignment.-Connect the meter across the voice coil, and turn the receiver volume control to maximum. Tat-Oscillator.-Connect the low aide of the test -oscillator to the receiver chassis, through a .01 mfd. capacitor, and keep the output as low as possible. Pre -stetting Dial.-With gang condenser in full mesh, the pointer should be horizontal. Antenna.-The set is equipped with a built-in loop antenna. If an outdoor antenna is used, it may be connected to the "ANT." terminal on rear of cabinet. It should not be longer than 100 feet, including lead-in. If it is longer, connect a 100 to 200 mmf. capacitor in series with the lead-in. Connect the high Tune to- Steps side of test- test-osc. oscillator to- Turn radtioo -dial Adjust the following for max. peak output- Tuning condenser 1 stator (osc.) in series with 465 kc .01 mfd. Quiet point Cl, C2, CS, C4 at 1,800 kc (1st and 2nd I -F end of dial transformers) Full 2 Antenna term. of ant. loop 1,880 kc clockwise (out of mesh) CO (oscillator) 3 in series with 100 mmfd. Resonance 1,500 kc on 1,600 kc CO (antenna) signal Power -Supply Polarity.-For operation on d -c, the power plug must he inserted in the outlet for correct polarity. If the set does not function, reverse the plug. On a -c, reversal of the plug may reduce hum. Precautionary Lead Dress 1. Dress 2nd I -F green lead close to chassis and under other parts. 2. Dress lead from gaqg condenser to grid of 12SA7 close to chassis and away from 12SQ7 socket. fi5A7 moo SIC, 25 Z6 -8 RECT. 117 V AC 3. Dress blue 1st I.F lead under volume control close to chassis. 586A 0 Air 0 0 DALLAS, 0 011111111P 030 R44 ISO V 3 MA R4 1,ME6 Rs 1.1.H44 -- 86 v. AC .4, t11.6 65111 CA v 6.2T. AC AC T=1' OSC- 22 02 Nr, \Wireless Oscillator s CrgE MMe ! 6100-61111KC1C1"5"P *MEP. VNOELGTAATGIVEES LMINEEA.SuUNRLEEDSTSOOCTOHMERMWOINSE SPECI,EO casmnal. SUPPLYPO COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 1CI7 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS RCA Victor MODELS BK-41 and BT -41 theCoatshcoildloeg-rraaypAhliagrnemaesntfoisllotwhes:pVreefretriacablle"Hmie" tthoodE. Connections on the 2nd I for -F transformer, Vertical "0" to chassis. Output Meter Alignment. -If this method is used, connect the meter across the voice coil, and turn the receiver volume control to maximum. Test -Oscillator. -For all alignment operations, connect the low side of the test -oscillator to the receiver chassis, and keep the output as low as possible to For additional daevtoaiilds,a.vre-cfear cttioon.booklet "RCA Victor Receiver Alignment." Pre-setting Dial. -With gang condenser in full mesh, the p6inter should be horizontal. Steps Connect the hip aide of test-oscal- lator to- Tune to- test-osc. 1N5 -G I -F grid No. 1 cap, in series with 0.01 mid. 456 kc 1A7-0 let-det. grid No. 2 cap In series with 455 kc 0.01 mid. No. 9 Antenna lead, in series with 200 mmfd. 600 kc Turn Adjust the follow - to- radio dial ing for max. peak output Quiet point between 550-750 kc L7 and Le (2nd I -F transformer) 1.15 and 1.5 (1st I -F transformer) 600 kc 1.4 (oscMator) I.2 (antenna) Antenna lead, in No. 4 series with 200 mmfd. 1,500 kc 1,500 kc C16t (oscillator) CS (antenna) t Tr mmer C16 on gang condenser should be unscrewed one complete turn from tight, before adjusting C15. 42 A WW48 PLUG-IN RESISTOR C4 40 MFD. Model BK-41 Cs 40 SOCKET "FO TERM. VIEW Schematic Diagram -Model CV -40 RS 98 M-06555 Precautionary Lead Dress 1. Red lead from second i-f transformer to screen terminal of 1N5 -G must be dressed close to and along edge of chassis. 2. Twisted green wire from antenna coil to gang must be 9 turns and kept clear of rotor. 3. Blue and green leads to volume control must be dressed close to chassis and between gang and front apron. 4. The opening in the shield of the 1N5 -G should be turned away from the chassis and the i-f transformers. 5. Antenna .ind ground wires shoud he twisted together. 1A1 -G E OSC. 1N5 -G I F 2 1 H5- G Z"DET.. A.F E A.V.C. 3 BOTTOM VIEW 1115-GT OUTPUT 4 If BLUE ANT COIL 9 TAMS 54 V (se r r I*. I F. TRANS 84 (960) 2"* I.F. TRANS. OF TUBE SOCKETS 57 V 55650) cto 01 0 el V. (9.4 v.) Eta .007 mro. La 42 It / (.3 I CI 141.1;. 0.I MFD org.ffarri4 ass (524 C4 .01 AIR O. RI 68000. R2 2.2 MEG. 120 MMF 41. R3 22,000A 12ommr C9 ISO WO. R6_ I MEG *S. IV C11 fee.sv ISO MAW RS 2.21NC 84 V. (98V.) m.iM T rtnar L9 ED. CZ CI5-. RIO 10 388 54 220,005' MME how CIS OecrH -C19 .01 EATTERN POWER SWITCH VA VOLUME CONTROL) 7 430 UHF Mr1). R4 MEG. VOLUME CONTROL R5 250,000.` Mr D. 191 //52 .1 Lec t. CM 10-366 MEW a -so letRte9 r^ MMF 3.5 MEG. OSC COIL CIS 2-1014Mr T CZO 0.1 mr0. "Er BUNKER LAMP ,...p.l........Gslew Pvs-rE Cut:men-1'S (USING PATTERMS5 IAT 13 108 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS STARRED (*) VOLTAGES ARE OPERATING VOLTAGES IN CIRCUITS WITH HIGH SERIES RESISTANCE THE ACTUAL MEASURED VOLTAGES WILL BE LOWER. LEPENOING ON THE VOLTMETER LOA 0 , El G . VOLTAGES IN PARENTHESES ARE THOSE oBTA NED BY USING ROWER SUP,Ly CV -40. WHENWHENBATTERIES ARE USED VOL-AGES NOT .1 PARENTHESES APPLY. - -.MA. (RDIEBTS. - -------10..245 MA MA. 1 ms e - 026 I 011141- - - - -5.0 MA. MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS MODEL BT -42 BOTTOM VIEW OF TUBE SOCKETS 1A7G 1sTDET & OSC. 1.4 V. 1N5G I.E + 1.4 V 1H56 A.F-A.VG. 1.4 V. 1Q5GT OUT PUT 1.4 V. 82 V Bp V. 52 V 4 tu j ANT. c0 COIL 3 C3 44v ist I E 3 TRANS Irt co 254 Sn'a CS ED 4 -kr41 WA "Ir U R2O Li ANT. CI RI / 220,000A 68 COO 60 MME. _J A Di. 12.6 RI I 3.9ME6 GREEN C4 BLUE z RED OSC. COIL I" If A -C8 455 K.C. 2 B2 V. c0 CIO C9 0 2ND 1.F. TRANS. GREEN CII C14 .005 - C12 MFD THHHS 100 KAMF. Ci14. 47000, 2 AAA R3 RS R6 10 MEG. C1M5 mi 1 MEG VOL. CONTR. 10 MEG 4C006 MM F. ME -6, f.t 10 3.9 MEG C 20 0.1 MF DJ_ 1± C18 8 MFD TO F1L. 0 0 CIO C11 45sitc 2"91.F Li CO L ANT ti COIL Arli Q)4," iSoo C5 IOct0 ()BLINKER . IMFD 0 -A WHITE 4 32 V . Jr' ce <0 9 eci RB 2.2 MEG. V. C17 1.005 Mr°. (I I 4 PERMANENT MAGNET DYNAMIC SPEAKER BT42 1139209 2 R9 620 0 -5 +5 YELLOW RED 90 V. TUBE ANO TRIMMER LOCATIVNS Alignment Procedure Output Meter meter across the maximum. Alignment. -If voice coil, and this turn method is the receiver vuosleudm.ecocnonnetrcotl the to Test -oscillator. --For all alignment operations, keep the low as possible to avoid a-v.c action. output as Pre-setting Dial.-With the the indicator should point mark on the dial scale. to gathnegecxotrnedmeensreigrhtful(lyhigohuftreoqfumenecsyh), Precautionary Lead Dress. - 1. All filament (brown) and B+ (red) away from unshielded I.F. coil. leads must be dressed 2. Green (blue) lead grid iead of for capacity I A7G tube coupling. to be twisted around antenna 3. Red and brown battery against front apron with tape. cable leads to he dressed and held orCtoAmUaTkIeOaNn.y-Wrehpeanirsreoar dchyatnogeisn,sbtaellsourreretpolatucernboaftfteproiewseorrstwuibtcehs. BATTERY CABLE PLUG YEL RED Steps to- to- Connect the high r Tune Turn side of test- oscillator to- test-oac. Radio Dial Adjust the following for max. peak output- WHITE BROWN VIEW LOOKING AT PRONGS Quiet 1 1A7G 1st-Det. grid cap, in 465 kc series with .01 mid. point at CS, C9 C10, C11 650 kc (1st and 2nd I -F End of transformers) Dial BATTERY CABLE 2 1,500 kc 1,600 kc Antenna lead C5 (oscillator) s (blue) in series with 100 mmfd. 600 kc 600 kc LI (antenna) 4 1,600 kc 1,600 ke CS (antenna) BATTERY TERMINALS MOWN MAD 1 kYELLOW LEAD RED LEAD' °' soCAIET A When adjusting 1,1 minimum capacity position (antenna), trimmer (unscrewed). C9 should be in a 45 VOLTS 45 VOLTS SEPARATE -41- AND -IT BATTERIES 109 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Models 45X11, 45X12 Model 45X13 LOOP CI LOOP CIVILLLOW IZSA7 DET-OSC 12.5K7 I.F. 60,70oMr VIEW 'ruse SOCKIIT 90 NORMA CI. .0 # IC7 .; .117, aft* I 70 "ACK I 25Q7 Z*OET-A_V-AVC, 5OL6GT OUTPUT 1V13 0 OrOco 614V. 0 900. 106A CI4 NCO GAEZ 142 0 TA .01 Al 24000 14-10,000 VE V.C. tr. 20 CIS ,4LA 01 ..1,1/401P0. SAGA Tug( NO TRIMMER LOCATIONS LOOP CONNECTIONS M 1400. -CIE 1110, ASSKC ItC ORM Ai:k11.0 12507 \-6./ MECL S 7c45137-3 410104711, 44011,42013 SLACK YELLOW SLACK v0k7A625 11.1014.0 HOLD WITMIN 82014 WITH it/ VOLT Ar MAR, AsaAON MAIINDG WOTAMGe i61505 00,01 rag Iv. RPM 1NSIs11 1 OCTUAL MEASURED wiLL 26 LOWER, PEPOIN OM TN[ VOLTMt/ OR LOADINGO . ..TO4.0o Models 45X1 and 45X2 (Chassis No. RC -457) I o' PET& 05C. 12 5A7 I.F AMPL. 12 5K 7 900. 2"0 DET,A.E It AMC 12507 OUTPUT 50L toG7 90 40V. 15. 62.KFC. TVALA 24.1 0, Taft... ASS Cc 005.0 CR CIS, -d^ c. *-rcw. CI7 CM IN- C 404629 .116 4 44Z42 90V 4 I I 4110 R7 470.000". 0 0 tZ:3 OSC. COIL pL6cC I .oltw" oLAcr. .7,R VOL CAA NOTE.. SOT TOM VIEW OP TUBE SOCKETS SHOWN. Nor., - VOLTAGES SEOUL° MOLD WITHIN EEO% WITH IIl VOLT A.G. SP API..., 7..59319-1 AC -457 4501 4502 TIT Reof 110 /4\ IT\ 500.445 ,., I 12147 / \\---.., \..-.1 \._,..." Cr WW1. \._..., Cr, .25.47 ,..._-/ ,C17 JO OrrIN TRAMSMO \--.., 157/0 KC C.% NY PI TUBE LOCATIONS AND ALIGNMENT SCREW POSITIONS I IIV. io; yv,CF.. CoNO. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS MODEL 0-50 PORTABLE VICTROLA (phonograph only) The Model 0.50 Portable Electric Victrola consists of a crystal pickup, a two -stage audio amplifier, and eight -inch electrodynamic speaker, and a motor turntable mechanism with automatic mercury switch for starting and stoppingall housed in a portable carrying case of modern design and appearance. The phonograph motor is a self-starting, constant -speed induction type. It should be lubricated every six months by applying a few drops of light machine oil to the spindle bearing and oil hole. The motor spindle is tapered, and a conical rubber piece fits snugly on the spindle. The hole in the turntable bushing is tapered to fit the rubber. This provides an excellent self centering floating mounting. A metal washer is placed on the spindle under the rubber piece. The washer has ears on the under side which fit over a pin that projects through the spindle. The motor switch is automatic for both starting and stopping, and when properly adjusted, will turn the motor on as the pickup is moved from the pickup rest toward the turntable. The switch should be adjusted so that it will snap into the "off" position when the pickup needle is 13/4 inches from the center line of the spindle. The motor may be shut off at any time by placing the pickup on the pickup rest. PICKUP 65F5 A. F C4 20 mFD. 6F6 -G OUTPUT C2 1800 MM F. R4 3 3 0 Oa '39OR5a I R1 27,000.. Cl .025 MFD. C5 20 MFD. CB".Ol MFD 450.8 / CG R210,000m. oo C3 = " .025 -=- mFD. VOLUME CONTROL R3 250 ,00 0,70114L TONE CONTR.SW. i,.0035 MFG, ar C7 1.1 .002S MFD. S3 00Ate I OREE74-RED TR" BerowN-JFI EL D C9 -"" L3-1800 Is 00 R8 10,000 HUM NEVT. I- CO I L - L2 .-25,11"0 220,000 A. MR5--E41E0,,"04-5-00 aI mN5euc1I CIO IS OVer MED. MFD. o suoc . 3 CI snow.. 5Y3 -G RECT. TO HEATERS Schematic Circuit Diagram Model 0-50 AUXILIARY. CAM CAM SET SCREWS ACTUATING LEVER ROLLER MAIN CAM CLIP MERCURY TUBE ADJUST MAIN CAM SO THAT SWITCH TRIPS INTO THE 'OFF' POSITION WHEN NEEDLE IS FINCHES FROM THE CENTER LINE OF MOTOR SPINDLE. CfrrOM VIEW -REAR. OP CWI \Dad Switch Mechanism (Shown with pickup in rest position) Parts Layout and Socket Voltages *NOTE: Values with star (5) are operating voltages in circuits with high series -resistance, and when measured Measurements made to chassis unless otherwise indicated, will read lower depending on the voltmeter loading. with set tuned to quiet point, volume control at minimum. Values should hold within approximately ±20% with 117. volt a.c supply. COMPILED BY M. N. BETTMAN, SUPREME PUBLICATIONS 111 N Lt 1n 0 0 6 KT R.F. \\ L2 1.25n D 1.4 L4 -c z R1 470,00On. C29 ---o.i MFD. BOTTOM VIEW OF TUBE SOCKETS 6A8 C13S 0 1ST DE -T. 8,oSc. .05 MFD. 6K7 I.F. 6Q7 -112. "&DAEUTD.,IO R12' 470n. 6K6GT g OUzTPUT z C6 10-430 MM F. C14 100 MMF. C7 2-15MMF. C8 -,L .05MFD./ 3 C9-.0.5 MFD. -1-"; L7 R 2-22,000/, L9 an. LIO L11 8n 8n. IK C15 100 .1. -.7- MMF. C16 100 MMF. C17 _- 100 MMF. CII Ft 7 -- ---- 10-430 MMF. 33.000,1 CI 2 -TEMP. COMP. C19 43.5 MMF. .005 MFD. CIO 470 MMF. 1.5 MEGS. C 2 0 .01 \ MFD. GREEN 0 CI8 RIO 470 MMF. 330,000 C2.2 005 MFD. (73 C21 I0 VOLUME CONTROL RI I 390 MMF. - QOM R8 470,00On. 250,000A. RED, R9 T2 10 MEGS. [71:150n. '600' 0 CO ___ BLACK ro TO HEATERS FIELD TaYELLOW R5 VIBRATOR 27,000n. C25 .M00F705. GREEN OZ4G R ECT. P- 846 67-o L12 -2.8n. ro R13 120o.n. B LAC K-4- L14 5n. R16 100n. I.F. 455 KC. -.#!C HOT FUSE DIAL R15 L13 LAMP 100r. IS AMP. SI - ro SPPLAARTKE C28 == -.C27 0.5 MFD. 6M8M0F. L15 1 T1 BROWN R14 C26 15,000n. 0.5 74- MFD. C23 110111M 10 MFD. C24 10 MFD. ti tv Vl MODEL M60 0 Chassis No, RC 357K U2 cn MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS VIEW OF 50C.KET, 6SA7 I DE T6.05c .55K1 I. F. San 2.-F, DE1 &AVC OSF 5 AUDIO 6F6-6 OUTPUT 46. I AT 1.0. TRANS LH ZA 'PRI. swvrcm vmweo fIrc. /F- P5O,4N01 SACIARI pAV.1 ceurcrat-C.cx.,X)Pascrion. C6 Mho MAP L la VAIIE CIS MAP MODEL K -6o Chassis No. RC -41 5 C1 mme. I.F. 455 KO. 5Y3-6 RECT &MEM RED Tr 00.0 c31 CDO MI "." 350 A-"., SBCOLWUN E-- TCI L DIAL F L A.1.1P5 SLUT Note: On some receivers the following circuit modifications arc in effect : 1. RI1 is 4,700 ohms, and C18 is .05 mfd. 2. CI is 470 mmfd. 3. There are three types of 2nd I -F transformers in use. a. The first type (Stock No. 14308) has C23 and R5 mounted inside the case, and is connected exactly as shown above. b. In the second type R5 is omitted and the lead from S4 connects to C instead of E. E is not used. c. In the third type R5 is omitted and C23 is connected externally from C to ground. E is not used. The lead from the diode plate connects to A instead of B. &AP( PATE .1-6 6LACK-56PY11-SOBEN SFS C BROWN FIL 5,13-4 CONNECTIONS L COLORS OF SPEAKER & CABLE BOTTOM VIEW OF SOCKETS C2 _005 MFD. 6SF5 A. F C4 A 20 -R54300. R5 -4E3.10A 6F6 -G OUTPUT CS R1 27,000. 61 20 MFD. .023 CB-.OI MFD PICKUP MFD. R2' .-, R3 VOLUME CONTROL j.:J:.06035 MFD. e7 .0025 KAPD. MOTOR M1 S2 10,000n_ Ro. 0C235 "T" LIFO. 250,000n TOTAL TOMB 6 COriTR0114"):3 SWITCH 000 Ti 6REE)-4-RE0 TR.' enC"-- FIELD - Re 220,0.22 otrow4s OMO L3 Itsoo C195 Fl I ISCIO V390 MFD MFD SI (ON VOLUME_ eitrows 5Y3 -G RECT. CONTROL) TO E AT E le5 I 450 R8 50,000 CII ozsmwo HUM NEUT. COI L - L2 MODEL R-60 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS Rai it& Liu 6K7 R.F R2 2009 410 41PNMI" 0/11M110 OW, 0 j_C.G05M ED R3 56 000 L2 1.25"M C3 10-43094MR "'"'C2 A .ot I-4 70'7- RF (OIL "" Cl C8 C9 2.15, 10.430 (73"L S 4O. L 40 COILS io-aeo Mi4F. R1 4/0,000 .n. 04 0.1 C13 'Rn 9.045iD. C.0145, R4-39000 CS 410 6419F. 648 DET. 8.05C C0IS0 VE, 'AMP U 4 L7 74 TL C1Z 000 I pAmc II CIO to -430 I.F. 260 KC. MODEL M-70 55K7 I F 6R7 2"'DET,A.V.0 A.F. ClI?I 37 9494F. 25.0141 .. L,01 y L11 A 100'1C'g 100 CO MMF. Ca 0 9.4,0F 004 56 MMIE VOLUME C809N.LAt:0)0L0 021 .0o7.Aro RS- 39000n R"7 33,000w YLILOWE C21290 MMF. 020 220 MF Co035 wir D. s 01 I MEE. -- C37 -012480 E22 - RII C- 27.-Atrie.o MEG' R15 164EG TONE CONTR R16- I MEG .7 YELLOW 812. woo, 1413-22oo,LLOW PLUG ('04) RED SLOE TO HEATERS BLUE R17 27,000 Si. RED -C26 410 KAM F. BROWN BLACK POWER UNIT 6V6G OUTPUT z D1AL Cl (LAMP 0 L12 CD ID 0Pith 0 "*- PEEN Cl) YELLOW II II TJ R20 100.9 CtBLACK 15 4'4' C) SPARK = PLATE Cis H0 RIS 100w T =C35 0.5 C0344 mIED HAD +sr VIBRATOR (as ER.4-BLACK 024G RECT. GREEN -RED TR. TL1 111000 71 I C33 j r.Aolo C12 ± a$ VI 1R5IO000 ti - TO 6466 HEATERS ARO FIELD LLO+' r 0 0 0 030 to IC31 34'00 R18 3909_ C2r8oF0 13 L14 RED,,, .0ozs=1INFO 400-'s C27 ,./1 EC6 \ l YELLOW RED 4 FIELD L13 YELLOW 0 ,. 6V61$ OUT PUT YELLOW Cn SAND LOOP P11/6 SOCKET (.5A-7 I"DE T.- 03C 2-10 6K7 I.E BOTTOM VIEW OF TUBE SOCKETS 65Q7 .4' PET.- A.F-AVC F(0 -G OUTPUT , -LINK CLOSED FOR LOOP OPERATION C4 9-460 Pow MD 4M70i. R coo ALA ROCKET SI FRONT MMF 6.0 133 PLUGS ( PI3Cm6 VIEW SOcOXIS (TEAM VIEw) RMAA4M44FERsowHETrMcEA43M43E0WE=04 IN 'A BMA 1...11131UPI ,c0447.VASE I.F. TRANSF ir KID - MHE ---3....E43 C L.-41L.5. '..F (Del7-, 1.1 RANSF 0 ro, -, CA: = ca ICZM26m.1r "".C.-P6 1.7 c Illa4 CZ3 100 PIMP HR 41 2.3142.3-- TELEX. AoCA I 30Pol 4- 030 NO R I9 470,000. cis .01 66 3 2 MED. TOTAL m0. .cor4 T ROL Goo, 000a TAP 54 RE AR FRONT 65F-5 PH. INVERTER R4 owl>. 470000 C:0211 FIFO 43R0IO 20C23 RIMS Re RoRc1a7.. 5,,,/, HUM C011r ' ,Ic-egaryiss.t.-43.0 CUB `,COS PA co OUTPUT LI ov-C7 OSC. COILS CS 4-90 1.1 2n B Ci0 220 0-4 Ci3 C6, 4/00 M3EP 52 REAP CIS 9-aao mmis TussouGti CONNECTION 6T1U.N15IN/6G/GIN5 D. R13 114E6 usE om RC susc RE cs - Ft 0 TI OPEi 14 0 TR cat'11.TOO. RSEY3c--Gr. et AEK &worm 7 BROWN BLUE --- TO HEATERS E g 0141 LAMP E BLUE -4 FIEL LialLe" COO CO LID COO I mr.o A Wol Models K-80 and K-81 RECT 16166 6U5 6G5 ENO DOT AP. AYC INVERTER 115. L TUNING INDICATOR 101II FOL. I BOLL ... "MtD IORRI@EIREI DOLUC101111 LIM PIMA. M1AM.tPLo\w I a 3 66666 No\ PUSH K.: BUTTONS ) ACCESSORY- )sorPr OWER -VOLUME TUNING TONE CONTROL CONTROL CONTROL A) RANGE SELECTOR DRIVE CORD DRUM SET SCREW CORD. DRIve SMAIT DRIVE PULLEY DRIVE CORD ----COND. DRIVE I L/4 DRUM SHOWN WITH GANG AT MAXIMUM CAPACITY CONDENSER DRIVE CORD ARRANGEMENT CIS TeLool. aibsEC. SOCKET LOOP SOCKET "' E9-0SC- 244 MC. ce.osc-ISMC (10-0.4, 1500 KC. T1 t OSC. I- runs 17 -SEC 40 4551(C. 2 6K1 UT 5 AllErG GOOKC. L sC44411T. 600 KC. .411.1!;PRL LOOP Waal' 45S KC OUTPUT Ci5-C27-C30-C31 VICTROLA TELEvisicos .1/4R.0 1bcIACK KROA(IK4ISC) SN.,62 Models K-80, K-81 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS MODEL K-105 - it," Cr: 0I, t- - ii RI 6- 6- c,m5 A . " 6,66 _ ---.) Y01.10.2,101. tf/ val.k. we JR.. 00 v77o,1A,KR41,7C7Aii1.7IT.1777A11CINR44e0cS11o717Or70A,P0WnwAc.C0SA0t,Ci46PR40OHA.1PORh,iLAitDO711R1A1R1l14T40NU00.7PrA1o1IR*T.,* 0.7 7101 weLeurrere usuAt11. rc .1 CI Cif r,, 6.46 QJ tiDKD.IP T gas ILLiainoi. CCIWOCTKIRS ---- 4:::11.;:t.' r. ztar Il 1....',.... ..,.... ,... rlei AwOra. IllP c0 ,f;e, li C , 10 III ,,,CAT,,M, OIn CYPRIOTS i ti 0.1,, NM 1titri6:,V4: i t 7 PA. Oaf RA RI Mil .0. RP, 07,14.40 '11 CAROM RIP NA WW1 I 11Aca- SOCKS,. OUTPUT L:.1, 1.10.117 MO 4SS RC ittLry. os 4QCO' 11 T. (kkiii; 4 4' .f... (:. .." 65 F 5 ._P_RAY AM J 1 ... R 4W 7"alloa 6.5IA117 Sr tau Ole" s? 177 rgill :"" \ rill grarib" ' 11E111 III 6F6 - 6 u OurRuT Len r7:: , WV, rf sty Ur, a Cl.! C40 cieii!I Vint' 3 1Sr I.R. TRANS .0\t1..6, at- `-.116111s. -43 -Sew 24, ..6, 5o.4ft.7onc A. a"1 RE 1 ,1 I ... I3 ORA R.W RIR v i ROA. TIkerS ":"1 4I ettl orto li- nos -Rao _ US./ : . :I. :I. 41. I. .......141x.cr -Jrrw<terlsom PI 14C 4,61 1, 1251111E114 SS R1 9C - it O45rt5-105C SII7 ,11. ViAr ee sec. RYt C IR 1S:4. 74040 (PRIM RR.) 400.ff, (TRIVAPRW) GuS/ass TR Nene we. 024. COOLS 0*PR.0oit4wI ,0...w,40e4.leNWOOWPMPII,(PRARPIM41P0R.7A11TLi CT CaRrteCWOR es \ CR0O1G. RAWNWASATRRI<LEeSosROTIor, 04441 OOP, r.r SA I.F. 455 Ec. Welt tRelettAVC. SSTS Re 61.16 OwIROF 444 -CO s ar. 41%4 **now tr 9,014 011,1 414114 -1 118 COMPILED BY M. N. BEITMAN. SUPREME PUBLICATIONS 0 0C005I - L2 ' ro I2A8GT osc - TRANSL. WIRING DIAGRAM FOR SILVERTONE CHASSIS 101.585 I2K7GT I2Q7GT DET. - A. F. KEY 0.2M 35L6GT OUTPUT KEY v. 4"T,2 01 1-4 C12 "r- 220M fr 03 .00C0905= .00015 50CM VOL. R8 00025 = CI3 3 C6 2.2 MEG CIO -HAW R3 15MEG R6 470M R9 El II- C7 20MFD 100v. C16 450 SPEAKER FIELD 6H4GT A v C. 05 30 MF D. CI4 150v C17 ro C5 KEY * PART OF T2 50 R7 RIO 140v 50 MA KEY 35Z5GT RECT. to TUBE SOCKETS ARE VIEWED FROM UNDER SIDE OF CHASSIS. 2.2 MEG. DIAL LITE TYPE 47 VOLTAGE READINGS SHOWN AT SOCKET PRONGS ARE TO -B R4 12Q7GT 35L6GT I2A8GT 6H4GT 12K7GT ill AND ARE TAKEN WITH NO SIGNAL. LINE VOLTAGE AT VOLTS, WHERE NO READING IS GIVEN, THE VOLTAGt IS ZERO OR TOO LOW TO READ. Sears Model 6320 /IF LOCATIONS OF PARTS UNDER CHASSIS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS VC WIRING DIAGRAM FOR SILVERTONE CHASSIS 101.671 -I 0E, C24 o L4 1 GREEN 9LA .005 C25 2 fl c2 E C26 1002 Tc3 OT R15 CO C5 C6 aa a T L3 .0051 C T E. 180w R2 6K8G 05C-TRANSL .00005 =C9 .05 CIO 6U7G 6J5G DET -A V.C. 6F5G A F KEY 25L6G OUTPUT 23 MFD.I 1504.. 406 Es RIOTC19 TI 455 T2 o KC A-1-455 Qb eC 0.112 .01 OS '7- 2.2 MEG. P3 R4 47054 47 hf-C.13 R6 *700015 5 220w R5 C14 .00025 CI5 2--11 500W VOLUME CONTROL .003 R7 C16 C20 2201.4 Re 15 MEG. awe R9 30%4E0. I 5 '--CC BONED. 150v. SPE FIELD ER 25Z6G RECT. ATOM YRR HEATERS * PART OF T2 6J5G 6F5G 25L6G 6K8G 6U7G TUBE SOCKETS ARE VIEWED FROM UNDER SIDE OF CHASSIS. VOLTAGE READINGS SHOWN AT SOCKET PRONGS ARE TO CHASSIS. AND ARE TAKEN WITH NO SIGNAL: WAVE SWITCH IN BROADCAST POSITION. AC. LINE VOLTAGE AT 117 VOLTS. WHERE NO READING IS GIVEN, THE VOLTAGE IS ZERO OR TOO LOW TO READ. OMA O 6d° 2 TONE \CONTROL LA .03 C21 109 C22 R12 45., R14 120,0 DIAL LIGHT tr..05 Sears Models 6321, 6322 6323, 6421 R7 118 R 14 LOCATIONS OF PARTS UNDER CHASSIS. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS I711 E 75. 0 WIRING DIAGRAM FOR SILVERTONE CHASSIS 101.570 -I gyp, 6K86 -TFMNSL. - C.9 KE I O 6UIf7G 6.156 oft-Avc 6F5G A F 25L 6G OUTPUT .04 ET 5011 R11 d23 TONE 1CV.DNTROL .09 C23 R2 .00005 =CIO 2.2 MEG 83 R5 A70- 500M c,,;13.1i0RM:AE RS i C21 C1- 22081R 2: 5 .003 i5MEG -104,,, C" 6J R13 22.. 070M R12 C -0 .05 22 6De TUNING EYE CO. 30MFD 125 IS -I 5506. SPEAKER KOMFOI50.. -CC - Kr FIELD 25Z 6G RECT IQv K(1. HEATERS c7 GJSG 6FSG 25L66 GKIJG GUTG GUS R45. NAL ..LIGHT .0051 C * - PART OF T2 ** - IN TONING EVE SOCKET TUBE SOCKETS ARE VIEWED FROM UNDER SIDE OF CHASSIS. VOLTAGE READINGS SHOWN AT SOCKET PRONGS ARE TO CHASSIS, ARO ARE TAKEN WITH NO SIGNAL. NAVE SWITCH IN BROADCAST POSITION. AC LINE VOLTAGE AT 137 VOLTS. WHERE NO READING IS GIVEN. THE VOLTAGE IS ZERO OR TOO LOW TO READ. 256. R14 iO3.., .05 6U5 TUNING EYE VC C27 C3 C2 6 K 8G osc - T2 TRANSL O YELLOW O GREEN LOCATIONS OF PARTS ON TOP OF CHASSIS Sears Models 6324, 6424 0 BLACK 6493 ED: +CIO R8 YELLOW: +C19 BLUE: .C20 BLACK: COMMON NEG. LOCATIONS OF PARTS UNDER CHASSIS. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 1 1 00 000 L2 s 70M 3 G6 - ICE COm .002 2214 Cu 112 T005 6 Cis, -IC15 WIRING DIAGRAM FOR SILVERTONE CHASSIS 101.576 6K8G OSC TRANSL. 6U7G F 6P5G DET. 6F5G A F 6P5G PHASE CHANGER NE, 390m 6P5G N222W.24 7, 2()2R2IVER 6 6AC5G OUTPUT .00t Cev 4361 C20 -00025 3 C21 a26., R C23 11 .0001 69A., R5 47M R9 C2 T00004 , MEG RIO 6U5 TUNING EYE 26 T "r it T C32 - JACK PNONO- TEL m R14 % SWITCH BIAS CELL .0, C390' 2MEG. 004 VOLUME CONTROL R12 39M RIO .03 G391 2 40 47 25 006 02 50 15, 6P5G 224 DRIVER 6AC5G %OW \I OUTPUT .oc. .004 RE, Er c52 R2, C46 47M R25; 40 ) 250 ©© O 0 O SEE"RT MOTO.. v E W PEE. PI US RNN. NACtio 30 MED. 300, C44 00 Ri6 60v 126 MA 25MES1. 5X4G Au, RECT.' 154C'541- C24 * MANI OF T2 ** IN TUNING EYE SOCKET TORE SOCKETS ARE VIEWED FROM UNDER SIDE OF CHASSIS. VOLTAGE READINGS SHOWN AT SOCKET PRONGS ARE TO CHASSIS, AND ARE TAKEN WITH NO SIGNAL; WAVE SWITCH IN BROADCAST POSITION. LINE VOLTAGE AT 117 VOLTS. WHERE NO READING IS GIVEN, THE VOLTAGE IS ZERO OR TOO LOW TO REwD. 6U5 TUNING EYE z 4:4 0 uu 61:6 0 1-3 Sears, Models 6337, 6437 1015440220 10146401851 9 TURNS 1014519426 -'-10154402432 ..,-10145111147 7 4014519477 101 464 02161 C2 C140 cI cue cuse 0250 cue C ITO coo 05 20 0 22 0 9 c 320 0190 C 300 C 130 T 3 T 1 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS WIRING DIAGRAM FOR SILVERTONE CHASSIS 101.653 - I 6K8G 61.7G 607G DET ave-sr 6P5G PHASE CTIPPSER 6P5G 22.6 DRIVER OON ELT 006 2200., C11 1,11 CIS 0000 CAO cse 'Lev 6,497 Sears Models 6438B, 6439A, 6440 6U5 TUNING EYE c,90 c210 C 140 cise CI C200 ecto C5 0C9 ece 007 T3 255500.1 POP! OF Tt * PI OOP. E TE SOCKET TOPE SCOTS MK vIESPO PESCOOS SHORN Al 90CAET OPPROGNYPSMPIPDEEP10WOONGAorScS.0S0,0ms.o SOSTPOE on Tao. A a .os. MTN NO 5401.1. raft vorta 4N.1O07IMMP. CBR44OtASDOCPAESNT,POTSH1E10vAOcIAGLEOWISP2OtAST0OPdET MO Law TO eT2e LOCATIONS OF PARTS ON TOP OF CHASSIS - 101.583 -I UNCEP TMN °T TE /MN. CO, 2106. Pot C WIRING DIAGRAM FOR SILVERTONIE CHASSIS 101.672'I 6U7G 6J5G PET 15 NEG 6 F5G _ 25B6G OUT NT .D0 C F-+ APPT Of TS Wm. STE SOCKET HOC SC/CRCS ARE 4110(0 FROM CANOE* PLPOINCS S.D. AT SOCACT PRONGS APE SOE TO OF I. CHASYS. NOSTPOE MO ARE TAKEN PP Tot NO SONS.. Cut SWITCH 0 ISPOLOCAS, POSITION LITTE NOLO. ST 1 s011S WHERE MU PE.. IS SIAN, THE VOSTAGE IS ZERO OR TOO 3M 10 PT SO MG, SMOG 005 0010 VIGO 1050 SAO 8000 Sears Models 6325, 6425 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS C 3' 0 - 121 WIRING DIAGRAM FOR SILVERTONE CHASSIS NO.101.577 0 TVC IA7G osc-TPANSL KE IN5G 1ST i.F IN5G 2ND IF Kr IH5G DET -AVC -A F KEY O IA5G OUTPUT .25 KEY 018 I.4v. .002 TC5 86 /2R22M C4 Ce 55 39. KC 47M .1 R4 C9i 220m 455 KC 86 2.2MEGIOI R5 TCIO 000215- 27M f470M R7 R8 2.2 MEG 86 869 r2 86, * 0001 47mt R9 :TFr os *--I.C00A01 5 MEG. 'Tr RIO vO5LU°°mmE I 017 COOT 004 I CI9 47_0 0 0 Blv 86, 020 1MEG RI5, 11 .001 470m R RI? 1,005 C21 To TONE CONTROL SPEAKER SOCKET BOTTOM VIEW vC .00005 R3 41-6L.2 C67- C. C MFD. .5 C13 Cl2 T,100v PART OF T2 TUBE SOCKETS ARE VIEWED FROM UNDER SIDE OF CHASSIS. VOLTAGE READINGS SHOWN AT SOCKET PRONGS ARE TO CHASSIS, AND ARE TAKEN WITH NO SIGNAL. WHERE NO READING .5 GIVEN, THE VOLTAGE ,S ZERO OR TOO LOW TO READ. 470W R13 SPEAKER PLUG PRONG VIEW 680,, R14 imp ILEO B BLACK B BE B III', YELLOW Output meter connections Output aster reading to indicate 50 ailliwatts Across loud speaker voice coil 0.3 volts Approximate miorovolts input to indicate 50 ailliwatts output See chart below Generator ground lead connection Dummy anfenna value to be in series with generator output Reoeiver ohassis Bee chart below Connection of generator output lead Generator modulation Position of Volume Control Position of Tone Control Position of pointer with variable fully closed See ar below 10%,4c0h0t °Taos Fully on HI Horizontal (To fall on block below 550 ko calibration markj 90, PERMANENT MAGNET A4 DYNAMIC SPEAKER BLACK PRONG VIEW ',ELL'', BATTERY PLUG POSITION OF VARIABLE, GENERATOR FREQUENCY Closed 455 ko 600 ko Fully open 1400 ko 600 ko(rook) 455 ko 1750 ko 1400 ko 600 ko DUMMY ANTENNA .1 mfd. .0002 mfd. .0002 mfd. .0002 mid. .0002 mfd. GENERATOR CONNECTION 1A7G Translator Grid Ant. Term. Ant. Term, Ant. Term, Ant. Term. TRIMMER ADJUSTMENTS (IN ORDER BROWN) T2, Ti Clo C6 C3 07 TRIMMER FUNCTION IF IF Wave Trap Oscillator Translator Padder APPROXIMATE MICROVOLTS 65 45 20 25 Sears, Models 66335543 6355 c) - 9 E yyI ro -220U 0 1..L 2 vc to C3 .002T 1+1 .00005 CIS .00007 4 C C6 00012 07 V CB C9 <(o L3 513 aY 005 02 67: C I2T ro CCII ro WIRING DIAGRAM SILVERTONE 101.581 IA 7G osc - TRANSL. IN5G 1ST IF IN5G 240 IF CHASSIHIS5G DET -A vC A F KEY KEY KEY 0 0 KEY .5 C.31 ;. 90A tC2 C22 90,O'-:f- o 0 T'''-455 KC 45 0/0 9 9 . -r 47M 14R760M R3 2 2MEG C 24 R4 1 27M R5 2 2 MEG. R7 C 1R222 0M 455KC 0001 ISv.M.-EG 47 RBI C30 4-17000 R9 2.2 MEG R 250M + VOLUME CONTROL O L4 TYPE 414 DIAL L. LYE S 10 MED. tO0v. L;1 C27 * PART OF TO TUBE SOCKETS ARE VIEWED FROM UNDER SIDE OF CHASSIS, VOLTAGE READINGS SHOWN AT SOCKET PRONGS ARE TO CHASSIS, AND ARE TAKEN WITH NO SIGNAL, WAVE SWITCH IN BROADCAST POSITION. WHERE NO READING IS GIVEN, THE VOLTAGE IS ZERO OR TOO LOW TO READ. SWITCH OPERATED BY PUSHING VOLUME CONTROL KNOB IN TWO FLASHLITE CELLS Sears, Model 6362, 6363, 6364 IG4G DRIVER KEY IG6G OUTPUT KEV z BB 0 TONE CONTROL T1 .003 C 3g E.:-HI C,.031 6 o i.00337 1003 T..c 38 SPEAKER PLUG PRONG RED RED 8 BLACK 2., BLUE YELLOW 90, B O A I.4v. LK PRONG VIEW-YELLOWS BATTERY PLUG SPEAKER SOCKET HOT TUM VIEW 0 Cl) pri PERMANENT MAJNET 'JYNAMIC SPEAKER 0 Cl) z U) 101 ro LOCATIONS OF FARTS UNDER CHASSIS 0 3 0 0 0 00000 Ce CS CT c9 c c20 c17 C,6 Cr9 C21 0 TO 0 IN5G 240 I F 0A 0 G SPEAKER SOCKET IG6G OUTPUT 0 LOCATIONS OF PARTS ON TOR OF CRASS'S MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS WIRING DIAGRAM FOR SILVERTONE CHASSIS 101.565 12K7GT RE C2 LI ' IC I2F5GT DE T KEY 8 35L6GT OUTPUT 5.2r KEY RIG Sears, Models 6400 6401 6402 220W I 2.7.Mw R3 "1.0 ISM VOLUME CONTROL 02 35Z5GT RECT 12O v. SOMA 4 3906.1 .00025 R5 R6 C11 R7 22M 0 14n. .11;19 .002 II C12 450,0 SPEAKER FIELD 20 WED. 125 r. Lrcro 30 MFD. 75v DIAL LITE 35L6GT 12K 751 02 HEATERS C8 12F SGT * PART OF L.) TUBE SOCKETS ARE VIEWED FROM UNDER SIDE OF CHASSIS. VOLTAGE READINGS SHOWN AT SOCKET PRONGS APE To - R, AND ARE TAKEN WITH NO SOGNAL. LINE vO,TAGE AT HT VOLTS. WHERE NO READING 5 GIVEN, THE <OCTAVE IS ZERO OR TOO LOW TO READ. VOLUME CONTROL TO 9E ON FULL. 155,v R8 1 RED: c7 BLUE: CIO R2 BLACK: COMMON NEG. TI L3 3 5L6 GT OUTPUT LOCATIONS OF PARTS UNDER CHASSIS WIRING DIAGRAM FOR SILVERTONE CHASSIS 101.566 -3 12A8GT ERANSL 12SK 7GT I 12Q7GT LE T 0 lr CIL j.y..E. 35L6GT OST.Idf i2CEGT RANT Of T2 5L6Li 12AIGT !MK EGT N0OR.J UBE SOLVE!, ARE VIEWED EROM LINOEIR SIDE Ci MASTS .40LTAGE READINGS SHOWN AT COCK(' PRONG, ARE. 10 -13, AND ARE TAKEN WITH NO N,NAL LINE VOLTAGE LT III VOLTS. WHERE NO READING IS GIVEN, THE vOLERGE IS ZERO O. TOO LOW TO READ. DIAL LIlE 4SON. WLE.A0KER FEY 351501 RECT Sears Models 6403A, 6404A, 6405A, 6406A. 9 1 - RR 0 CO Aj, Et 12 12SK7GT If l I. OCATIONS OF PARES jN roe OF CHASSIS ANTENNA tll LOOP."' COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 6A85 TUNING EYE 0 0 CIO C7 C9 Cl2 0 C3 C4 CS C6 T2 O O TI COO LO COO LOCATONS OF MATS 5410011 POWER 154/14.1.0 - 0.542 0.394 N iC3 LI 2201 VC C14 ! C .01 C8 WIRING DIAGRAM FOR SILVERTONE CHASSIS 101.582 & 101.594 6D8G °sc.- TRANSL I.F.DET. - 6S7G 6T7G A.F. 6L5G A.V.C. 2° MA O6UGTP6UGT 0.2 MA KEY IS MEG. Re . 0 C 0 1 10 MF 0. 10v. 470. KEY 1 C25 1-C00226 TONE CONTROL 47M R2 .00005 22 M R3 -a-VC 200y T2 455f ..2-4107 . I 40001 C1.9 2.2 MEG. 4ft ,,1177M * .0001 C20 SOOM VOLUME CONTROL .004 C21 R9 R6 .25 6A85 TUNING EYE * * 470M RII C22 .0001 C23 'RkIr gLi C27 R12 1.70M.01 C 24 4 7 0 M R13 16 MFO. 200s C29 LOLC I2!8,4 SPEAKER SOCKET BOTTOM VIEW T3 SPEAKER PLUG 7- PRONG VIEW log L6 006, NEE 20 MFD. 200, T.C30 PERMANENT MAGNET DYNAMIC SPEAKER tC 9 C C I IT 1C12 1005 C i 3 - PART OF T2OH N ** - IN TUNING EYE SOCKET _[a OFF TUBE SOCKETS ARE VIEWED FROM UNDER SIDE OF CHASSIS. VOLTAGE READINGS SHOWN AT SOCKET PRONGS ARE TO CHASSIS AND ARE TAKEN WITH NO SIGNAL; WAVE SWITCH IN BROADCAST POSITION. WHERE NO READING IS GIVEN, THE VOLTAGE IS ZERO OR TOO LOW TO READ. DIAL SWITCH LITES TYPE +-1 SI 6v VOLTAGES SHOWN ARE TAKEN WITH 115V A.C. INPUT. WHEN 6V. D.C. IS USED ABOVE READINGS WILL BE REDUCED APPROX. 2576 . DIAL. LITE SWITCH Sears Models 6368, 6382 1 V BRATOR .003 LT4: I 0o 0 0 _.0 0 c 31- B E...1.912 C 3 4 420.., .. 0 A AC R15 DC L7 033 / C3211 .5 T0 I 1 1 0351 8 0 h(ZYY5G (1.) RECT. AC .01 CC3367I .01 7- MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 1R5 Wwwwiat 1'14 11 1 S5 OKCCW010 I S 4 0 0, Tc' I.F-456 KC %IF Par ottelawirwo elf} 111 asularno ea want o0ta00 OW .50. 50% lit 0573 t 05010101 .11w. tot U) O.301111 I itittow "WM MM. Ow 04135 3 wwwww .ww. Soli si OS= lOWSION Pair. to NI 1841111 I WNW .Sw. 10% 57 loWn t 1111000 .11... 00% et 1111 0W70 SOO OW Ow. Ite NOM 111100 010 .010 tat 1160 WON 10000 OM .1111. WO CI WOW .011 NW. SOO v. Cl 0.000 .W UM WOO 11 03 .00.0a Wow.. mot CO OWSO .00 WO. 00% CS WIWI Al WO. 500 v. CS 54311 .0001 IWO, MO C7 11.3004 .0$ WO. 500 V. OS was wino illovOALIWUTIC I WOW WITVWS LOOP COIL a own onoLoicoi COR. 3 Ionimo 1st to womolOolew ilowit tail.Lf 15011s1050111 03100 Output riamwkaistit 11.3501 - 55. Imam owe* I was 000W110 TUBE MD TRIMMER LOCATIONS 4 TUBE PORTABLE SUPENNETEROOYNE aNNA Woo wow VS:. Annum elOs.N07: iwirtirf PLUS IMAM COM W AWE TO 050611011 3 FLASHUGHT CEU-S 126 wan ooscrAcr CUP. INSTALLATION OF NEW BATTERIES. To install new batteries remove the two large screws located on the ends of the case by inserting a small coin in the slot of the screws and turning. Open the case as shown in the accompanying illustration. The batteries can be readily removed and new ones used to replace them. The "A" cells must be inserted with the ends having the brass caps pointing in the direction shown in the diagram. Be sure the contact springs are clean before installing new "A" cells. If the contacts are dirty or corroded, scrape them off with a knife before installing new cells. CAUTION. Never leave dead batteries In the receiver or store the receiver with the batteries In it for long periods as the batteries are apt to swell and damage the radio. To insure maximum battery life from your receiver do not allow the batteries to become heated or damp and use the batteries while they are new. Batteries deteriorate with beat, moisture and age. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 1, 12 13 MOASY RI J... 32011WRUVV.r- IN LINE CORD TOL 7GT PmHoCro-NR° PECT-AMP DNA G PART NO. DESCRIPTION R ; N -I360 150 OHM .5 W. 107 P. 2 N-1864 0.5 MEGOHM VOL. CONTROL R 3 N-1742 25 OHM .5W. 20% R 4 N-1867 500 OHM 2 W. 20% C1 1 - 20 MFD. 25V. C ,,-: 4,1-18664 30 MFD. 150V. ELECTRO. C3 j 30 MFD. 150V C4 N-1344 .01 MFD. 400V. R2 -MAMMY- VOL CONT. CRYSTAL PICKUP "M? I N-1863 5 V24 P.M. SPEAKERiTE-38) N -I865 LINE RES. CORD I N-1910 5 V24 P.M. SPIOt(TE-4013 41) o ora ELECTRIC PHONOGRAPH 0601.1a APP,95/7 GA11G CONOENSER 2K 7GT f. I2J7GT T. C. VOL CONT Re NO 47 DIAL LAMP OBE 35Z5G TC RECT. WNI O nun O. NO V- OESCRWT1001 Purr DESCRWTION C, N-4344 .01 MID. C2 14-1345 .06 IWO. 400V. R, 16203 25,000 OHM VOL. 900 V. R. 11-1418 53 IRS. 203.S W. C3 11-1345 .06 MID. 04 11-1344 .01 WO. Cy 11.4344.01 WO. C. 11-1344 .01 MID. 300 V. 400 V. 400 V. 40011. 63 11-1635 6 1226. 203.5 W. 114 11-I262 I MEG. 203.516 RS 11.1264 .5 WM. 20X.5 W. R. 11-1614 50 01111 2033 W C7 11-I346 .05 MID. 112 11-1618 00 OHM JOS 2M. C. 251/F0.150 V. R6 N-1417 5000 0/411203 .5W C g 850 I 018110. 00V. ELECT. R. 16171)1 250 OHM WS 3VE Cle 201/00. 25V. N-11155}6ANG CONOENSER e 1 1h1790 ANTEWIA COL 1 11-1791 NT CM 5 N-2047 SPEAKER 8 TRANS. Sonora 4 TUBE T.R.F. "....4"1/ COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS co 70 1.1 SCHEMATIC DIAGRAM SPARTON SUPERHETERODYNE MODEL 530-X INTERMEDIATE FREQUENCY 458 K.C. TOP VIEWS OF ALL SOCKET CONNECTIONS C II H II CONVERTER 6 A 7 I F AMP 78 2 ND. DET d A.VC 75 P A. 42 DYNAMIC SPEAKER C22130-37 'OUTPUT TRANS L I ( CS 4 Ltd "VI TAT C10 - 5L 52 -vAMAA-- CT IA IS C 35 124 R /RI: RIO C19 II roIWC20 WAVE SAND SWITCH A-15122 SHOWN LS: R 9 IN S.C. POSITION co RECT. PoWER TRANS &MI5 CI AAR C1ALB C SASS C C5 C S CC 7 VARIABLE CONDENSER NO. I TRIMMER 1.552 1.11. T511291E5 1.17. REJECTOR TR1656.ER S.C. ANT TRIHNER S.W. ANT. TRIMMER S.C. OSC. TRIMMER 6C. OSC. PADDER C 10 .001 WAD 4005 C II SO WIND. MOLDED C 12 .1 hors. 2005 IP 7151 CO .05 MTD. OW V 6-7200-C4 c.14 .1 MID. 4005. 1577200-DN CIS .02 6.110. 200V A-140611.4 C 14 zso Nuns MOLDED A.14016-5 4-140516.5 c 17 250 WOO. MOLDED CIS 05 HID. 4005. 67199{'/67199{'/CCI2S0 .01 WI, 5005. 16-11-10 MID. ELECT. C -5202-29C C -3204-33C C3202 -21C C-720-324 C-720-524 C-3204294 C -3204-74C A-14675 C -3204 -2C C- 720 - 120 C-3202-3 SC *I S6,000 -n. .25w C.2705-6313 52 24000 -H 5 * C -2796-76C 53 I filEGONI2 .25w.C2795-966 54 540000 ,, .25 w. C-2795-958 165 500000A VOL. CONTROL 415129-2' 55 220 -^.. -251. C-2795-14315 R7 470 H. .25 w. C-2795- !Si 6 I* 55 27,000 ....- I w 119 13000 H 1110 24000^ 2512 C-2797 - TSA C-2799- &OA C-2795-6116 RI i 660.000 H. 25 w 912 660 ..- . N. RI) 2700.3 A .25* C-27115-309 C-2797 - 60A C2745-796 LI 1 I RLACTOR COIL L2 DC ANT. COIL L3 .5 W. ANT. COIL LA D.C.osc cooLl_ LS SW. OSC COIL j f L6 143.1 I.I.COIL L7 120.2 I COIL A -I4 6 7 7 A-14679 A.146112 4.14215-2 A.I2064-4 A120114 .17 TO (ILAMENf3 OF ALL TUSKS SOT SO A I DIAL LICHT A-14924 STATIC SHIELD C PoRT TRANS 71117-A SWITCH yOLUMC CONTROL bj 0 0 Cl) 0 ' c 0 0 cn 1-3 0 Pd tv1 0 cn -0PK SCHEMATIC DIAGRAM SPARTON SUPERHETERODYNE MODEL 540LX INTERMEDIATE FREQUENCY 458 K.C. TOP VIEWS OF ALL SOCKET CONNECTIONS 157 OCT 05C LAG F AMP 6K70 2ND OCT AvC 1ST AMC 6070 Cr' PA 6F6CI 39 SPEAKER C-1360-44 8000n Z OUTPUT TRANS. c4 CS It Ca SANDLS*.iAi-NloDoPnOaVnToIOwNN 4 Cie R2 "j..C1 R.4 GAGS WARIAIRE CCRIDERISEM 070134-1 CO I.I REACTOR TINN C) C ANT TAW 0.44066-4 Ca 3.11. ANT. 002.2 CO LW ANT, TRist }A4411110 CO 03 NM 200V C -3202-23C C7 .001 W/ID. 4000 C -3204-50C CO .00003 IWO MOLDED C-720-120 CO I WO. 4000 C -32041-34C CIO L.M. OSC. TRW C11 L.W. 03C. FAA*. C12 S.W. 03C. TRW. }A -I4)17-2 C13 CM LC OOSCSRCADTETK.RIM} 8.71911-cl CIS 003112FD. INX.DED C-720.342 C WWI 740.1 I,?. TRIN C17 ho 1 D. 4000 3-7200-44 C -500439C C162.311 NO 2 I.I. TRIM. C19 00023 MID spOLDED C20 DS MID. 2000 COI 30 WirD 3000 ELECT 8-7200.00 C-720-319 C-3202-ZIC 0-14072-A C22 .0001 WID. NOLDEO C21 00025 IAD MOLDED C24 Os IAD. 400 v C-25 I 04,0 2000 0700.310 C-720.119 C. -3.20A -154C C-3202 -50C C26 006 04170. 4030 C27 03 MAD. 3000 C28 HI 4600.ELEcT CE9 .006 WPC,. 603 V C30 .001 MID 2000 C31 .080 NID IOCA C -3204-06C C -220460C A -14073-A C -3206--12C C -3200-1112C C-720-325 COT03W CII ?CU e 4 cif II 58 000... 2.50 C-2795-638 32 22000 SW C-2796 71K 33 24 000 a. 2W C-2796.111120 R4 27 000 A. v4 35 27 000 0. 25W C-2737-7115 C-2795-793 32 5 NEG. VOLuot COOT 075130 37 59 NEC 25w 0-2795-10711 II30 2700000,.25 0 270000 0L 15w C-2765-118 02795-918 310 270000 25w C -2795 -MS 31, 14E00.444 25w C-27113-4611 Si 1112 255 02795-13313 213 314 21240t00w71.4 25W 1 w C-2795-968 C-2797-508 315 04 1 bAEG TONE CONTROL 15000 a. 23 W 615131 C-2795-746 LI IF REJECTOR COIL L2 L W ANT Colt. L3 9 C 15.3 ANT co, L W OIC COIL LA5 D c L VW 030 COIL CS No I IF COIL L7 Ho 2 IF COIL 0,4577 A.14335 -I A.1,1209-5 0,4696 0.14213-5 A-12064-24 4.12004- 30 CDT RIO 313 314 iCil c20 TO PM. AbANTS ON ALL 1AE5 8u0 5,3C 2 DIAL LICNTS 4.14$24 0 0 ANTENNA SCHEMATIC DIAGRAM SPARTON SUPERHETERODYNE MODEL 580-X INTERMEDIATE FREQUENCY 456 K.C. TOP VIEW OF ALL SOCKET CONNECTIONS CONVERTER 6A7 C2 I.F. AMP 7A 2N0. DET A.VC. 75 . 0 FA _ 4-14 LS C II IF - 013 PA. 42 CI4 DYNAMIC SPEAKER V C-2280- SeAX OUTPUT VOICE COIL AINICKING COIL 1500 CFIELDOIL C. Y. ail... jet L C R12 6.6 C97 AFAWAk IRS C4 R3 R6 C VARIABLE CCMC. (SO04 13.7191 VARIANT Cala (5518-A) 8-7237-I CZ TRIMMERS ON VARIAILC CONDENSER C) I. F. REJECTOR TRINI.(85111A) 4-14395 C) I. F. REJECTOR 7/83.(5 CA .05 elFD. ZOO V CS 006 MID. 400 V Cl SO MGM MOLDED ) 444720 C -3202.211C C -3104-12C C-720-320 C7 .1 mFD. 200 V CS -ASS Nal I.f. TRIMMER C-3202.390 6-7200-GG RI 511.000A 25 W. C-2795-3313 RZ 22.000 A .5 Pi C -2714-78C R3 I mEGOWA .25 W. C-2715-318 54 220 A .25 W C-27154431 RS 5410000A 25 W C-2795-958 RS 470 A .25 W C-2795-1518 57 27000 A IN 0-2797-705 RS 33,003 A 3 W C-2799-1304 LI i.F REJECTOR COIL LZ ANTENNA COIL L3 OSCILLATOR COIL L4 NO.1 I.F TRANS. L5 NO Z I.P. TRANS. 4.44718-1 5-7094-I A-12052.4 4.12064-16 A -I2014-17 C9 .1 MEG 400 V. C10-446 Na 2 I.F TRimmtR CI t 02 MEG 200 V. C12 250Mier MOLDED 0-3204-38C 6-7200 -GN C -3202.22C C-720.324 R9 270,000A 23 11 C-2715-9115 RIO 614000 A .29 W. C-2795-308 MI 6110 A .5 W C27911 -80C R12 MCC. VOLUME C01,42 15WITcpi 415129-3 P1 CI) 250mhiF. MOLDED C14 25 MED 400 V. C-720-324 0-3204-2110 CIS .01 14,13. GOO V C -32011-711C C16 A -841 M11). ELECT. (5003) 4-14715 CIG 10.8-8 IWO ELECT (5518A) 4.14714 R RECT. 80 I I 0 I 12.: 8 R. Cie NC AC SWITCH ON VOLUME CO2L 13-71eS4 POWER TRANS. .1 197197 -Al EXPORT TRANS. TO ALL FILAmENTS EXCEPT )30 DIAL LIGHT 4.1519 STATIC SHIELD INPUT PLUG AND CORD 4-14899 SCHEMATIC DIAGRAM SPARTON SUPERHETERODYNE MODEL 590-I INTERMEDIATE FREQUENCY 456 K.C. TOP VIEWS OF ALL SOCKET CONNECTIONS CONVERTER I A7G I. F. IN5G 2ND DET., A V.0 & 1ST AUDIO I H5G CIA 4,1VVr-4 RI C3". ,0 6) -vVANA vVoNv.- C9B 0 0 L5 6.) C128 C13 R7 CI7 C16 RIO L2 R2 own C2B:6 CIB TCIO CI4 R6 C15 Re R9 C5 CL3 CII RI usc000 -^- .25 W. R2 I MEGOHM .25W. R3 66000 n . 25 W. R4 1 MEGOHM .25W. R5 2.2 MEGOHM .25W. R6 2.2 MEGOHM .25W. R7 54000 -A- .25W R6 500,000 .f1-VOL. CONTROL R9 10 MEGOHM .25W. RIO I MEGOHM .25W. RII 2.2 MEGOHM .25W. R12 1790 5W. RI3 547 n RESISTANCE CORD LI LOOP ANTENNA L2 B.C. OSC. COIL L3 OSC. PLATE CHOKE L4 NO.1 I.F.COIL L5 NO.2 I. F. COIL Le FILTER CHOKE R14 2700 11 .25 W C3 25 MAW MICA C4 250 MIAF. MICA CS OSCILLATOR PADDER C6 .03 MFD. 200V. C7 .05 MID. 200V. C8 .05 MID. 200V. C9A&B NO.11.1 TRIMMER CIO .05 MID. 200V. CII .05 MID. 200V. Cl2A&B NO.2 I.F. TRIMMER C13 100 NMI. MICA C14 100 MIAF. MICA CIS .01 MID. 400V. CI6 100 IIALIF MICA C17 .01 MFD. 400V. Cle .001 MID. 1000V. CI9 20-20-20 MED. 150V. ELECT. C20 .05 MID. 400V. RECTIFIER L6 35 Z5GT 7 C20 I DIAL LIGHT A -I5114 R13 00 9 SWITCH ON VOLUME CONTROL P.A. IA50 RII SPEAKER C-2260-67 L-4 0 4 O R12 14 C19 Cl) 0 ro SWITCH AT SIDE OF CHASSIS A -I5270 til 0 tvi 6 VOLT 90V _ -A BATTERY +t I45v\ 0 BURGESS 2F4 BURGESS B- 3'C) EVEREADY 718 GENERAL 8F4 EVEREADY 762 GENERAL V-3013 Z RAY -0 -VAC P698A RAY -0 -VAC P5303 (K611 KIT) Cl) MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS s, a 66 vs in g52 r> AMvi is 1 Unit) j r7171,1 Iii bu 66664 ttgiiii! 4,0144i 38588889 132 MOO. I, tigmia 3 2di 3 14 11,11,14 Ili ii!! !II 1118=3 853 COMPILED BY M. N. BEITMAN. SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS ova Ui !g !WM K." 133 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS GANG CONDENSER 6K7GT RE 25L6GT OUTPUT Cy 5 C2 fl VOL CONT 'A'ANT 1400 K.C. 1400 KC. OINAG EAR DESCRIPTION Pp',A,, G. '71.,,1 DESCRIPTION O. NO. C, N.-1344 01 MFD. 33 4000. IRI 0-03 25000 OHM VOL. C2 N-1345 05 MED. C3 N -I345 .05 MFD C4 N-1344 .01 MED. Cy N-1344 .01 MFD C6 N-1344 .01 MED. 200 V. 200 V 400 V 400 V. 4000 R2 N-14113 3.5 MEG. 5 W. R3 N.I419 6 MEG. .5 W. R4 N-1262 I MEG .5 W. Ry N-1264 .5 MEG .5 W R6 N -I416 125 OHM±I0%.5W. C8);6 C7 N -I346 05 MED MED C9 C-2. 13 MFD (.10 6 MED. ,300 SPEAKER 400 V. 150WV 150W.V 150W. V. R7 Re R9 R .0 1 N-1420 N-1417 N-1415 N -I251 1, 110 125 OHM I v4 3P00 OHM 5W. 30 OHM 1.0W 25 OHM ANTENNA COIL 1* G-25 GANG CONDENSER 2 L-111 RE COIL 2500 IC Rh SPX. FIELD C7 04,00012.0-.--" R7 25Z6GT + 18 RE CT. A Re 7,0 NO 40( BROWN DEW Spiegel, Inc. Model P 4 TUBE T.R.F. 41 HUM DUCA-1M COIL raltalleAtr 146 4/17 COIL 1135GAIIIU" MIAF.20. 4-03C COIL AutneLr TAAAY3VOItIftle I/2.302 Sr 77wOV011gal 10.30,3 Y.C.-VOA.. COW/AOC MR. LA.I. SIVAX.FR 01/T PVT MAIO PO n't. At-Povela TIMASPORNCR C.- 2. GAN0 c021/2. Ml 81.6. BAND .14..,Tcfri Ng MR 74'NIN6 &WV /V11.211 ACAAV.RWAYTIC COMA -VA4IIO-1111/732. b14 Spiegel, Inc. Model 601 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS SCHEMA TIC DIAGRAM MODEL -130 I A7 C. INS GT I.F. 455 KC. C C34 4 ;coo Spiegel Schematic Location Cl C2, C3 C4 C5, CII C6, C7 C8 C9, CI4 CIO C12,C13 Part No. C-45 Y -CV -46 CM 31 C-48 CT -1 CT -3i CM -30 CE -Si C-47 REPLACEMENT PARTS LIST Description Schematic Location Tubular cond..05 mfd. 200V RI Variable Condenser Mica cond. 100 mmfd. R2, R7 R3 R5 Tubular cond. .01 mfd. 400V R8 Trimmer condenser R6 Trimmer condenser Mica cond. 250 mmfd. B1 4 mfd. 100V Electrolytic B2 Tubular cond..004 mfd. 400V Part No. R-105 R-102 R 101 R.113 R-103 !MINS m 52 Description Carbon res. 5K ohm Carbon res. I meg. Carbon res. 2 meg. Carbon res. 100K ohm Carbon res. 60 ohm Spiegel ANT. CONVERTER 7/15 SCHEMATIC DIAGRAM AIR CASTLE SUPERHETERODYNE MODEL 631-6 INTERMEDIATE FREQUENCY 456 K.C. BOTTOM VIEWS Of AU. SOCKET CONNECTIONS I.F. 757 2140 DEE a A.v.c 7C7 MT AUDIO 7C6 of OUTPUT 6866 NC. L SW. 016 'Mr E Ca' 53 Na Met SAND MITCH A-1116REW NORM IN SC. POSITION IC. C /15t I-3 Ur Sr CA4 CII E DIAL A-11114-1 TO IILANIENTS SWITCH ON TONE CONTROL n. fr LS 00 VIBRATOR A-8831 IIINNI V -V III CIO PONIX TRANS. A-11408 RIZ LS SO COLAS VAMIALZ COMERS= Cl NC. ANT. TN MIMI CS S.C. 03C. MI MICR I CA S.C. OSC. P1110C31 J CS it. ANT. TR WINN Ce 2700 MICA CT so Nur. IIICA Ca RIO IMP INCA CO AS NFO. 1007. CIO .1 IND. ROO P. CII .1 MID. ROO T. CIE .OR NM. ROO V. a-ras A-140111- 1-71/NNLT M14011111-5 A11141 C.750-315 C-7110-114 C1111131114C C-RORTRIC CASSIMIOC C71/MPERC cis C14 CIS CM C17 CPI cNl CEO CM CU C13 CE4 IMO NOR. INCA S.W. 03C. MINNA S110 SNP. MICA .05 MID. MO V. .001 HID. 400 P. AR NED. 400 T. 50-50-50 INTO. ISO?. ELECT. moo NMI. MICA AI UFO. 500 7. .5 WO. 150 7. N0.1 1. I. T5IN515 C-7211-SR4 A-14011111-11 C - TEO- 3E4 C-SROJNEOC C -3104 -SIC C- 31104-16C 1-144114c -720-n7 Cow-1e15a5m43w3C INTENO-CII RI Ni St 54 RS 115 57 we St RIO 511 55.000 -4- . ENO. 15.000 ...- .e W. I MCGANN . rsw . 500.000 A- POLUIC CON T. 47.000 A. AMP 4.7 INCONN . RSA .fit 150.000 A. .211.1. I MCCOIIM TOM CONTROL I SWITCH 15340 Nn.. 5 W.5 W.. 110.8 I. I. ?115050[50?115050[50?115050[5011-711/0-011 Mt 55 N. .0 W. M3 SS ..- . W. C -0711S-03 C271111- TIC C -t7115 -INN N 10130 -3 C -E71111-2311 C -R1 1-13S11 CAPPS -27111 C-275-11111S A-131 /NE C-17011 MC C -17151.411C C -R111 -11C C -11141-11C LI S.C- ANT COIL A -I31411 -I L2 SW. ANT. COIL A -6446E-3 LS S. C. OSC. COIL A15311- I L4 SW. OSC. COIL A -111/13 -S LS ROA I. F. COIL A -11064 -Se LS NO. R I. I. COIL A -I2044 -1? LL?SII. NPALASTHE 0O4W1NSEt A-1411111-1 A-14714 -I LI .A.1.150 MUM OMR A-50944 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS STEWART-WARNER O1 -6G and 01 -6G -Z 10 USE EXTERNAL AERIAL,DISCOMECT SUW WIRE FROM WOAD TERSIOIAL MO CONNECT AERIAL TO SLACK MITIE. LOOP AST 11611,401 03NNECTED AS 51031414 ntammAL erAlicir Ow or CHASsos e 6SK7 RP. 6W 1st DET.6 05C. 32 6SK7 P 6507 2nd DET-A.V.C.-Ist. A.F. 0 q Rs iOP VEN Cr swat Iplt rHtiOrroMmYa. LOU MON wi Wm AWL ME LURKS to ttrourars sWANK, 1.1111.10 ttMelyy not COCA SIMAAid 45A -45B 46A-463 ....CCoonnddeennsseerr---g--asnamg trolytic 10-15 mid. 450 volts 47 Condenser-trimmer Transformer -2nd I.F. 48 Transformer-lst I.F 49A to 49C. ICtmongdeesnwseirt-cphush button trimmer (Low) I 540 to 1000 SC 50A to SOL I Condenser-push button trimmer (Med.) 750 to 1375 LC 1I Condenser-push button trimmer (Hi) WM to 1550 LC 51 52 CTorailn-scfoomrmpeerns-2antidngI.F. 53 Coll-antenna 54 55A -53B -53C . CCooinld-eesncsiellra-ttorirmmer 3 section 56 57 U TTrraannssffoorrmmeerr--opuotpwuetrfor U-115086 speaker 58 59 U. Cone & Voice coil for U-115086 speaker. Shield for loop antenna Cabinet back and loop antenna complete 01-601 & 01-601-Z Cabinet back and loop antenna complete 01-604-1 6 01-604-1-Z Cabinet back and loop antenna complete 60 01-604-2 & 01 -6G4 -2-Z 01-6G4-3 & 01.6G4-3-2 01-604-5 & 01-6G4-5-2 Cabinet back and loop antenna complete 01-604-4 6 01 -6G4 -4-Z 61 Condenser-.006 mid. 600 volt I. F. 455 KC. PUSH BUTTON TR" S N°590-VP01-682 Alb HI HI CAD Ear 0tH MED HI MED ME LOW MED 15.1 LOW LOW PILL LOw LOW 4A r.A10> 441 ACK PIN KW x OF PLIAS VAJw ST 0 1-2-3 4 5 6 7 Condenser-mica 260 amid Condenser-mica 51 .mmfd. CRoensidsetnosre-rwirme iwcaou.0n0d35215 mfd. 3% ohms 1/2 watt. CRoensdisetnosre-rwirmeiwcao.u0n0d2 m22id0.ohms 1 watt.. 8 Condenser-electrolytic 10 mfd.-35 volts 9 10-11-12 13 Resistor-carbon 220,000 ohms V4 Watt . . Resistor-carbon 470,000 ohms 1/4 watt.. Resistor-carbon 15,000 ohms 2 watts.... 14 15-16 17 18 19 20 21 22-23 24 25 - Resistor-carbon 100,000 ohms 1/4 watt... Resistor-carbon 22,000 ohms 1/4 watt.... Resistor-carbon 10.000 ohms .1 watt Resistor-carbon 2.2 meq. 1/4 *watt Resistor-carbon 3.3 meg. Va watt Resistor-carbon 2,200 ohms Va watt LCaomndpe-n6s.e3r-vpoaldt d.2e5r (a5m30psto 630 mmfd.)... Resistor-insulated, 470 ohms 1/4 watt... Condenser .006 mid. 600 volt 26A -26B 27A -27B 28 29 ......U.. SC- wRSopenitsedciaehsktnoesrreD--rwd.Py-i.2rnDea.Tsmwe.cio(ctRuio6andndiinot5r-iP0mhomonheomr) s V2 watt 3333303246---333157-38-39-40CCCCCoooo(1nonnn0dnddd%edeeen)ennnsnssseseeererrrr----...0..1200521mmmmmffddffid..dd.66.. 6600600000000vvvvvooooollttlllttt 41 42 43 44A -44B Condenser-.002 mfd. 600 volt Switch-push button .... VToolunme ceocnotrnotlroslwiwtcihth switch -1 meg SOCKET VOLTAGES RADIO- PPIONO SWITCH IN RADIO POSITION NO SIGNAL CONDITION SW4G RECTIFIER 310Oki 310 A TO .4 444 256 60A 256 50 AC 6F6G OUTPUT 0 VOLTAGES MEASURED BETWEEN SOCKET TERMINALS AND CHASSIS 240 256 Note A 6SA7 1st DET 6 OSC 60 AC 1404 C 6SK7 Fir 160 60 AC LINE VOLTAGE 117 VOLTS 0 0 -37 VOLTAGE ACROSS SPEAKER FIELD 60 VOLTS 6SW 2nd DET-AVC.-A.F 0 Note 8 60 AC BOTTOM VIEW OF CHASSIS PI -2.7 n0, Nate C Nate C 88 252 6SK7 IF 0 dots C 0 REAR OF CHASSIS NOTE A: Bias on 6F6G output tube is -18 volts measured across resistors 29, 6 and 8. NOTE E: Bias on 66Q7 grid is -1.5 volts measured across resistor 6. 8 STEWART-WARNER 01-6K and 01-6M CHASSIS LOOP CONNECTIONS I2K7GT ro SHOWN ON BACK OF THIS PAGE. R.F 12SAT osc-ist DET. I2K7GT 12SQ7 2nciDET-AYC-A.F. 25L6G OUTPUT 261_ T18 19 1 NAPS LUIGI ON COIL ZeSKITAITERTMOINALS SWAN TITTERS ON THE MOT LINORAM 438 T37 sorocoo MOWN N 11110ACOCAST 35 -26 POSITION SADIO-PNONO PREEN SHOWN IN NAPO poolroom 159A 598 OK 40 2 ern P6 -c RECTIFIER 6X5G 2 BOTTOM VIEW PIN VIEW O cn a %141 RANGK E WOO' DISMAY NO. 46 PART Na MN accos MORAY NO 64 PDX NO. IIRSI iistsfE NO firolatt- 42B .2 trit,D1m r- - 52 1 1 2 Condenser-mica 260 mmfd... i Condenser-mica 280 mmfd. Co(Mndoednesl e0r1-.m6Kicoan5ly0)maid. (Model 01-6M only) NOTE "L": The 01-6M circuit is shown above. The 0141K chassis does not have the phonograph attachment. circuit, point "P" connects toInptohien0t 1"-Q6K" and point "R" is grounded to the chassis SLUE 3-4 5-6 7 8 9 10 11 Condenser-mica 110 mmid... Lamp -6-8 volt Mazda No. 51. Condenser mica 50 mmfd.. Condenser-mica .0042 mfd. Resistor-carbon 47,000 ohms 1/4 watt.. Resistor-carbon 220,000 ohms 1/4 watt. Resistor --carbon 220,000 ohms 1/4 watt (Model 01-6M only) 1111221146502781--113R9 esistor-cRRRRCRRaeeeroeeesssssbnsiiiiiidssssssotttetttoooooonnrrrrrrs------ecc-1cccrcaaaaa-a.rrmrrrbb5rbbbbooioooocnnmnnnan423311172e.,0600033g050,,0,00m0.0000o0me100ho0gmhm/oo.o4mhhhfs1mmdms1/w.4ss1s/(4w3/11a14%//a/wt444twtt)awwwatttaaa.t.ttt..ttt...... 22 23 24 25 26-27-28 29 30 31-32.33 34 35-36-37 38 39 Resistor-insulated 470 ohms 1/4 watt Resistor -150 ohms 1/4 watt uU SRpeesiasktoerr---d6y8n0aomhmics6V"4 watt Condenser-.01 mfd. 600 volt Condenser-.01 mid. 600 volt (shielded) Condenser --.004 mfd. 600 volt Condenser-.2 add. 600 volt Condenser trimmer Condenser-.05 mid. 600 volt Condenser-.04 mid. 600 volt Switch-- -"Radio-Phono" with escutcheon (Model 01-6M only) 40 41 42A-428 43A -43B 44A to 44C 45 46A -46B 47 48 49 50 51 52 53 54 55 56 57 58 59A -59B Resistor-carbon 680,000 ohms 1/4 watt.. Condenser-padding Volume control --1 meg. (with switch).. Trimmer condenser -2 section Condenser-trimmer 3 section Switch-range Condenser-gang (with drum) CSwoiilt-ccho-mtopneencsoatnitnrgol Transformer -1st I.F. Transformer --2nd I.F. Transformer-power Transformer-output-for U-115088 speaker Cone & Voice coil assembly for CoUi-l1-s1h50o8rt8 wspaevaekeor scillator Coil-B.C. & Pol. Oscillator Loop antenna (BC & POL) with cabinet back (01-6K only) Loop antenna (BC & POL) with cabinet back (01-6M only) Condenser --mica 5 mmfd SShhccoooorrmmtt ppllwweettaaeevvee(0(10-ll16ooMoo-pp6oKnaalnyno)tteennnlnnyaa)..aa.ssss.ee..mmbbllyy Condenser-electrolytic 20-40 mid. 200 NO SIGNAL DIAL TUNED TO 540 KC. VOLTAGES MEASURED BETWEEN SOCKET O 12A.C. TERMINALS AND CHASSIS 160AC. tIto 10 2 to o 6512K7GT R.F. 0 04,? rD 160 O A 110 110 LINE VOLTAGE 117 VOLTS 0 6X56 NOTE A RECTIFIER no 6,00 0 25L6G 0 .- OUTPUT , rD 25AC 00 0 12A.C. 0 ° 12sA7 let DET. 0 70 OSC. t5 -1 VOLTAGE ACROSS SPEAKER FIELD 35 VOLTS BOTTOM VIEW OF CHASSIS 12A 12507 2nd. !JET -A VC -ALF 75 110 12AC 0 I2K7GT I. F NEI NSTEWART-WARNER MODEL 02-4A CHASSIS I A7GT 1st. DET. & 28 18 22A W ANT GND I N 5 G I H 5GTT I C 5GT L E 2nd. DET.-A.V.C.-A.F. OUTPUT YELLOW P. 25 GREEN 24 2j 14 i -Z1 G vvvvv,. - ... 7.-1 I pi t=w .-WHITE CC o a 73 x 16 IH ,712 0 T 2 8 2IA B1 11 cn OSCILLATOR COIL DIAGRAM NO.23 PART NO. 117741 tri NOTE among TERMINALS OF COIL SHOWN IN ILLUSTRATION ARE LETTERED 70 CORRESPOND TO SIMI- LARLY LETTERED TER- MINALS ON THE CIRCUIT 0 DIAGRAM. 01.1 U) INTERMEDIATE FREQUENCY 455 KC. 1 2-3-4 5 6 7 8-9-10 11 12 83539 85061 110552 110553 110554 110570 110580 113035 13 113118 14 U-115068 15 116061 16-17 116640 18 116781 19-20 116819 21A -21B -21C 117706 22A -22B 117707 23 117741 24 117742 25 117743 26 117782 27 U-118280 28 117914 Condenser-mica, 260 mmfd. Condenser-mica, 51 mmfd. Resistor-carbon, 47,000 ohms, /4 watt Resistor-carbon, 220,000 ohms, 1/4 watt Resistor-carbon, 1 megohm, 1/4 watt.. Resistor-carbon, 2.2 meg., 1/4 Resistor-carbon, 3.3 meg., 1/4 watt... Condenser-Ceramic Tube, .006 mfd , 600 volt Condenser-Electrolytic-8 mfd., 150 volt Speaker-P.M. Dynamic (4 in.) Resistor -800 ohm, 1/4 watt Condenser-.01 mfd., 600 volt Trimmer Condenser Condenser-.05 mfd., 600 volt Volume Control -1 meg., with switch Condenser-Tuning Coil-Oscillator Transformer -2nd I.F Transformer -1st I.F. Transformer-Output Cone & Voice Coil Assembly for U-115068 Speaker Loop Antenna PIN VIEW OF PLUGS PLUGS FIT SMALL AND COMBINATION PINS BATTERY SOCKETS PLUG ATS STANDARD "K BATTERY SOCKET BReWN WHITE WHITE RED BLUE BLACK eif .21B IS PX SOCKET VOLTAGES DIAL TUNED TO 540 KC. BOTTOM VIEW OF CHASSIS L5 0 4o0000 81 83 Note A IC5GT OUTPUT VOLTAGES MEASURED BETWEEN SOCKET TERMINALS AND CHASSIS Y -BATTERY= 90 VOLTS I H5GT IN5GT 2nd DET-AV.C-AF 0 0 1.5 83 83 Note B 1.5 I A7GT I st [JET & OSC 83 45 0 1.5 -2 83 STEWART-WARNER 03-5S CHASSIS CONNECT EXTERNAL AERIAL HERE LOOP CONNECTIONS I2SA7 SHOWN ON TRIMMER 1st. DET. & OSC CHART GREEN 38A 41A a I2SK7 I2SQ7 50L6GT I. F. 'us! GREEN SU - YELLOW 2nd. DET.-A.V.C.-A.F. 17 28 W/VV 3 OUTPUT s 18 WHITE .4 30 -441B \ 39A GREEN 8 WHITE OSC. COIL RANGE SWITCH 38 DIAGRAM NO. 31 PART NO. 118916 2IT IN BROADCAST - POSITION 33A. POINTS MARKED bz ARE CONNECTED TOGETHER TO FORM THE B- CIRCUIT. THE .2 MFD. CONDENSER IDIAG. NO.21) CONNECTS FROM THIS CIRCUIT TO CHASSIS. I.F. 455 KC. 10 I 14 726 9 ZZ aZ PHON TEL. RADIO-PHONO SWITC 4013 IN RADIO POSITION 12S07 /Th I2/* --"N 124 12SK7 . 42 50L6GT (ThSA7 25 35Z5GT 7:2 ED 29A ; YELLO 29 Condenser-mica 260 mmfd. 3 Condenser-mica 110 mmfd. 4 Lamp-dial 6 to 8 volt (Mazda 51) 5 Condenser-mica 26 mmfd 6 Switch-tone control 7 Condenser-mica .002 mfd. 8 Resistor-carbon 47,000 ohms 1/4 watt 9 Resistor-carbon 100 ohms )/4 watt. 10 Resistor-carbon 680,000 ohms '/4 watt 11 Res stor-carbon 470,000 ohms 1/10 watt 12A -12B Switch-D.P.D.T. (Radio-Phono) 13 .... Speaker-dynamic (5") 14-15 .. Resistor-insulated 3.3 megohms 1/4 watt 16-17-18 Condenser-.01 mfd. 600 volt Condenser-.004 mid. 600 volt Resistor -140 ohms )/2 watt wire wound Condenser-.2 mfd. 600 volt Resistor -33 ohms 1 watt wire wound (0 23-24 .. Condenser-.05 mfd 600 volt Resistor -20 ohms 1 watt Condenser-.25 mfd 600 volts 27 Condenser-.07 mfd. 600 volts Resis:or-insulated 680 ohms 1/4 watt 29A*2913 Condenser-electrolytic-20-20 mfd. 150 volt Cabinet back and loop antenna 30 complete (035S1) Cabinet back and loop antenna complete (03-5S2) 31 Coil-oscillator 32 .... Condenser-padding 33A -33B Trimmer strip (2 sect.) 34 Transformer-output for R-115085 speaker 35 Cone & Voice coil for R-115085 speaker 36 Transformer-lst I.F. 37 Transformer -2nd I.F. 38A -38B Gang condenser & push button unit 39A -39B Range switch 40A -40B Volume control -1 meg. (with switch) 41A -41B Condenser-trimmer for loop antenna 42 .... Resistor -220,000 ohms 1/4 watt (on underwriters' approved sets only). SOCKET VOLTAGES VOLUME ON FULL WITH NO SIGNAL DIAL TUNED TO 540 KC I2SQ7 2nd DET-AVC -A F VOLTAGES MEASURED BETWEEN SOCKET TERMINALS AND B- LUG LINE VOLTAGE 117 VOLTS VOLTAGE ACROSS SPEAKER FIELD 28 VOLTS 50L6GT CJTPUT 0 es 82 I2SK7 IF 00 88 BOTTOM VIEW OF CHASSIS I2SA7 35Z5GT 1st DET 8 OSC. RECTIFIER O 12 AC 5 0 112 AC 71 rl TONE -1 SWITCH , 82 88 34 AC Use a High Resistance Voltmeter of at Least 1000 Ohms per Volt. NOTE A: The reading on this plate will be small because of the high resistance of resistor No. 10 J STEWART-WARNER 03-6J, 03 -6J -Z, 03-6L, and 03 -6L -Z 0 OSC. COIL 000R434 NO 47 PART /40.118616 NOR TINSIPNLS Of CORI SPOON IN PICTONT0 DEW MOM ANC LETTINtO TO CONNISPOTIN TO ERED TE10 OON NW CIRDLETTT1 04040.40001.3 I NO 62 COMPLETE CABINET 4T BACK ASSEMBLY LOOP COINIECIKINS 1110014 PI lYBfrA [MAT MI5 6SK7 R F 36 6SA7 & OSC 7 A 37* 3 6SK7 Cr. 6SQ7 2sd.1111, A F AO 3 25L6GT OUTPUT 20: 4- TH15 OUTPUT 10- CIRCUIT FOR 03-6J AND '; 03-6J-2 ONLY. 52 oC ,s40 of d pH e4f A L A PUSH BUTTON SWITCH 011C01aantt Kw M. BC PUSH BUTTON TRIMMER RANGES DIAGRAM NO. 03-61 & 03-6L 03-67-Z & 03 -6L -Z 60A -60B HIGH HIGH 60C -60D MED. HIGH 60E -60F LOW MED. 60G -60H LOW MED. 601-601 LOW LOW SEE PARTS LIST BELOW FOR RANGES IN KILOCYCLES Zt:ZY- 743A vs -WOOS 90.56 #60A 60C 60E (40 L 60 601I C 601 . z;ts:4,.i, Co,,.,4:5s"ttctti Tt; .14:ttt 0r4SoUCsWesC1W01C0OTNooNsNN41ta4NWNN N 17;3"C7,(.74 'ca.r.s P DOsON0104s-T P,,igno,t-, - 'VV17WE9c%n.5.-i.-fgi,-t,t.tsi..1T.i:.EfP.4;,NE"s4,;S11.'pgs;P.'-rs,:.::,gZ0°4mN7,&i,igm,"u,s71g-o-m<t'70,15.to8.11xt-,o;.nr.021so.Nn.g1,s1gg:SoIti6igwcOT,tgI01onDm.-1gz0mge:..IeuJr,1.m-1tss.,,.'.s,<rg-a,,0-,,s<o,-,0,,w!.tt'0'mg"'.aag.z7..sl52.7mo.,..n-.g0.o,6_01.Q.wl.7..0.62601..=,7.0.1..04:,.sQ.i.c2i.gCz-/s6Ilt,o0"..z.-1"P.o.w"1-a.0"1sP,'1,_,<,o-,.sV-a0co!1,,sr0's-0glqoT0rg0mls41,cM»00opcVoet,srsJcz0ogsVc,e0o0s.aoeM'01"mt.gs0i °J14;0"1!-PailffINI-:W- 'ir-in.t.ir-g"Wk"a' a. W0i6g MI 072,4 0 . 0 3 4.1 *2 F: Vs Z t2c.g.. 1 '1 e-is 13.O. . E, ,,,,:, E 1. " PI :-ISI L-.4.,1.,-1:o..-n.2 cs a0<7cPa..-.4a0- ^.S174. s-, w ,s, % oFi' aatFLagtF1g3". --?No.f.1 ,..... ...e.osS7" '84g4-11:11qH 8zI 07<. .g....T.:c,-ws.g=,-,-iz,l-sp-'e.O-.>4c-., .i.s : . c., Oa 2. WTI , e,01 -,90tr----.0540. ,308.7....0.a0.ggo. ....1..----- 2 z .4,-,,, ..'-.",.z 7.0 7.. p 0 a9. Q.,.. . i.os .'-.,- cn 8 92 OHO 46o con, ,.-,-,0-oom-oa84, 1p1o8fg El rr < il. 1 E..,,eip 9 ss ... ,79 gi o 0 2, 0, fT c ., It's. 4- O 112 .< cn ern. NN 36 POINTS MARKED ti ARE COANECTED TOOETICR TO mettg (I'DFOM THE 8- CIRIT.JIIIE JN TMs CIRCUIT 10 04AS34. PONT! MARKED ARE LETTERED TO CORRESPOND TO SIMILAR POINTS ON TTIE 03-14 CIRCUIT A I. F. 455 KC. 44 A 55I0t 26L6051 (40 5307 65147 64247 '1_111 1:L11 "T. AN 35A 2RpEZCT. TOP VIEW OF PUNS 4100 2 SOCKET VOLTAGES VOLUME ON FULL WITH NO SIGNAL DIAL TUNED TO 540 PC 25 Z6GT RECTIFIER HOAG 67 BOTTOM VIEW OF CHASSIS AEASURE ALL VOLTAGES EXCEPT FLAMENT BETWEEN LSE VOLTAGE 6SK7 1;7 VOLTS RF 2 THE TUBE SOCKET TERMINALS AND B- 6SA7 BALLAST Ist DET 8 OSC HOAG 87 65AC 0 6 AC 25AC 6AC SAC 52) 0 §AC 25L6GT OUTPUT 82 87 Note A _z3"C 6SQ7 20cIDET-AF-AVC 00 00 57 e7 6Ac0 57 6SK7 0 ©Q T REAR OF CHASSIS These readings taken using a voltmeter of 1000 ohms per volt. NOTE A: The bias on the 25L6GT grid is: on 03-6J chassis: --4 volts measured across resistor No. 12; on 03-61. chassis: - 5 volts measured across choke No. 63. X NOTE B: Due to the high resistance of resistors No. 20, 6, and 13, only a small voltage will be read at the plate of the 6SQ7 when using a voltmeter having a resistance of 1000 ohms per volt. STEWART-WARNER "AIR -PAL" RECEIVER C N MODEL A -6S (07-32 CHASSIS) THIS MANUAL APPLIES ONLY TO THE RECEIVER MARKED A -6S. A SEPARATE MANUAL HAS BEEN ISSUED FOR THE RECEIVER MARKED A-6. DJ BUILT-IN AERIAL EXTERNAL AERIAL 12SA7 1st DET.6 OSC. 25D8GT I.F. -2nd DET.-A.V.C.-Ist A.F. 70L7GT OUTPUT d RECT. ANTENNA COIL DIAGRAM NO. 31 PART NO.117093 OSCILLATOR COIL DIAGRAM No. is PART NO 116609 0 P, 6000000 S war 22 G IT 450" di 6 1,1 \23 9 S 4.--.11/VVVVVVID-- -26 30A 6 y rn 51 0 ' 27 12 OM SOCKET VOLTAGES VOLUME CONTROL SET AT MAXIMUM VOLUME POSITION ANTENNA GROUNDED DIAL. TUNED TO 540 KC. BOTTOM VIEW I2SA7 I.F. 455 KC. 19 2 12SA7 /Th 101.76T 2SDSGT 308 NVIPAA-- VOLTAGES MEASURED TO CHASSIS 1st DETdOSC 17 Transformer -1st I.F. Condenser-mica, 110 mmf. LINE VOLTAGE 117 VOLTS 12 0 yA 25D8GT Note 70L7GT A 83 - 2nd DET.-AV.C-Itt A.F. OUTPUT & RECT O Note Note 28 04 83 A 83 18 Coil-oscillator 2 Resistor-insulated, 470,000 ohms, 1/4 19 ....Coil-R. F. Choke watt 20 .... Resistor -65 ohms. 2 watts, Wire Wound 3 Resistor-insulated, 1 megolun, 1/4 watt 21 22 Condenser .1 mfd., 600 volt Transformer - output for R-115053 4 5 Resistor-insulated, 220,000 ohms. 1/4 watt Speaker-dynamic 3" speaker 6 Resistor -50 ohm, 1 watt 72 VOLTAGE ACROSS 115 70 SPEAKER FIELD 29 VOLTS 23 Cone & Voice coil assembly for R-115053 7 speaker 24 . .. Condenser-.01 mfd., 600 volt 8 Resistor-insulated, 10 megohm, 1/4 watt Resistor-insulated, 22,000 ohm, 1/4 watt 25-26 .. Condenser-.004 mfd., 600 volt 9 Resistor-insulated, 100 ohm i4 watt.. REAR OF CHASSIS 27 . . Condenser-.05 mfd., 600 volt 28-29 .. Condenser-.02 mfd., 600 volt 10 Resistor-insulated, 100 ohm. 1/4 watt.. 11-12-13 Condenser-mica. 260 mmfd. NOTE A: Due to the high resistance of resistors No. 3, No. 7, and No. 30A. only a very slight deflection will be obtained on a meter having a resistance of 1000 ohms per volt. 30A -30B Volume control (500,000 switch) 31 Coil-antenna 32 Transformer -2nd I.F ohms-with 14A-145 Condenser -2 gang tuning 15 Condenser-electrolytic, Dual 20 mfd. 150 volt 16 ... Condenser-trimmer for 2nd I.F. MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS ENGINEERING DATA STROMBERG-CARLSON NO. 400 RADIO RECEIVERS C-19 11.004WF, Qn. C -I1 R-4 ,,,22-00Cr L -I6 142 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS STROMBERG-CARLSON NO. 402 u"" n VOLUME STATIONSD LOOKING AT INSIDE BOTTOM OF CHASSIS '//VR-V5 V R-6 22 ME.0 R 560. Co : 0 ''2} 5 40 o 3 `IQ 5-GT OUTPUT 1 ° 0 s 213o 8/ 05 t I SEC. 1 PRI. I 1 i <1 t) I IH5-GT DER,. t... .1 ....) AMC, AUD.AMP TaNd.oR MG.I L -J 16500 oi 50c0 o2 ANFT-1I147-G4 T3 1.5 MC.-1II MOD,OSC. IN5-GT LEAMP i-N \ o r -N° o pgi. SEC.' (FA (31 0 \--I 08 (-Bars.,741) I o 2I '11117 - ER TRANSFORMFF OSC. C.)/ .6MC. 7 L-6 5 R -1 1MEG MMF 1 ;11--j-11 BLK 01 1 L 8 r C-22 S -BL LK L 1.0 Is, I Irt 1'1- fx. I 4 I , I 1 i Wiring Diagram 143 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS STROMBERG-CARLSON NO. 450 RADIO RECEIVERS 20 R-19 NAM R. I MEG r 1 stri X #?%; PR0210 ORR - J C-22 .0121.. C-1 1.4 4411 r,L0-1,, its T (ft COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS .11 -100 4 40 J., too,ftv (11.37 otwoo,onc ir. ft; r0o 0- 1107 1".1. Frequency rodulation UVTLIACCSIMI K.TT..." V 0 CLOTK...7110 ca -1-sQ.DO it' I I V STROMBERG-CARLSON NO. 480 RADIO lt71 Schematic Diagram t-lIittiIrlrlPtTITIll" CONTORIL 6.010. 0 PvP. ORM. I.F. 455 KC. AP' I.F. 3000 F.C. FY POPULAR SERVICE DIAGRAMS 0 irgi)g0 a> xt 124 3 0 0 WWT61) - In r- u r.4 0 NN 0 0 t8 0/0 N -474 C3\ 0 cp CNOVII t.D 2 > § 6.1,410 " 0 °0 0 ° _c -tea0 III I 1.9...°0 %., )Q.; a\A1.Avr4illis.o z1 Ji .1o ..r. ol 4 47.....71_ .......... 000. if 000OSZ 11111-1:51L- 00 O4 1:1000'0SZ d 8 ."40 00Si 8,9 v",fm, wo 24 QOW U 4MP t 0 a O Vi 80oi j 0 90E 8e E 4)0 rr 0 2 w 11- 4--LLO ) § s.10 00S 4i "\AhN 000/.. § ; §E 81 i° NO 0, 3 0 40 :el N 8 .? -AA/V-W,0 -ooese 0 E ..:. AV 5'6 " - Iii' o '21isq -A L9 II t0o0e°. -111611P I 0 cc A tit A A 1463g -7--r: Ipl - A e 6 c 17, 1.14 a o © i © M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS TALIKA1)11-10PAlt Ate. CID. 6 V6 INPUT 0 VVvVy PP- /5- VC. HP -15 Power Stage Ground Chassis //0-/a5V 60-0AC 5V4 3 4 TO EXTRA SPEAKERS 1,-/F-1 MASTER 3Y5TEM INTERCOMMUNICATOR 6C6_L 43 ov7 PO 1- IN P vT v. 0 0 Iv Gi 0 ro P0' Nf 25Z57 S 0 STATIoN SELECTOR, SO. 0 25. .. *-X---, a 1 3 1 5" R --I 252S - 43 6C6 A ) 4:, 14'1 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 6K7G 6A8G ALL SOCKETS SHOWN BOTTOM VIEW 6K7G 800 1 c 15 11 a' 32 0111 2 26 .00025 17 .05 3 I3-ot *A" LEAD CONNECTOR 37 I.F. 262 KG. DELCO MODEL R-663 CIRCUIT DIAGRAM CONNECT CATHODE RAY AT THIS POINT SAT GRD. 8 yz IBM =44A =4413 .435 360 0 0 tl x G) PO 14: Cl) 6K 7G 45 300 151.0 00I 41 20=.05 ALL SOCKETS SHOWN BOTTOM VIEW 6A8G 6K70 6Q7G 6V 6G z 22 5 4 13 O0' ,ae 4 CI' -114 , r n1m7?" 117 .005 58 59C 420.00V 24 19 127' CONNECT ---1 30041"r 0I CATHODE RAY 42 I MEG 331 {10to0A 57 NNW 60 /4 I 00 04 aAT THIS POINT ; AT GRD. ,;! 21 Cr, 7 5 46 47 2000 15 12 23 `14 OZ4 JO 0 1-1-1:4*.40 - 28 1 01 59A 1C:::=14400045913=e4000V 28 i W9 ,02.? 300 DELCO MODEL R-665 CIRCUIT DIAGRAM 6K7G ALL SOCKETS SHOWN BOTTOM VIEW 6A8G 6K7G 6Q7G 6F6G 48 42 60M 19 05 2 0 27 22 105 A. LEAD CONNECTOR 58 05 41 I.F. 262 KC. VIBRATOR 57 /91 32 001.0 52C 20 400v 14 015-1 30 0 00 - o 16 015 -I25 02 3 04 IC> C> 5 g 54 18 cr, 41" a 23 = ZL, CONNECT CATHODE RAY AT THIS POINT e4 AT GRD. co 45 2000 15 6X5G 46 2500 52A 8° 52 BC= 0 oov 4 00V 43 400 DELCO MODEL R-664 CIRCUIT DIAGRAM C) 0 ALL SOCKETS SHOWN BOTTOM VIEW ryy 6K7G 6A8G 6K7G 607G ro w IMO 37 39 500 GOY 7 32 00025 21 125 41-11-0 1204 13:1 10 CHfi O IS 62 SPECIAL TRIMMER 77-.13 570 14 t O. I I' 0 5- B oI TO MUTE CONNECTION TO TERMINAL NO.9 ON AUTOMATIC TUNER. -e LEAD CONNECTOR OW= 6 400V. 41 CONNECT CATHODE, RAY AT THIS POINT & AT GRD. 35 a OZ. VIBRATOR 43 OZA,G 51 ISM 00 0 CO ;.000t5 MI" I.F. 262 KC. 57A c!:,..0 578=3.0 =10103. 1= 400V. CI 53 300 DELCO MODEL R-666-7 CIRCUIT DIAGRAM 6K7G 6ABG ALL SOCKETS SHOWN 6K.7c. VIEW 6R7G 6456 6N7G 4m TO MUTE CONNECTION FRONT VtI0 K O Es 57 looms 0 0 os 66 we 70 SPECIAL TRIMMER 13 _ _ ; 65 t0 4000 44 C1) 0 0 111EL 1111FO1SjS:7O1NLS cn 1-3 TO TERMINAL NO.11 23 ON AUTOMATIC TUNER. CONNECT CATHODE ro RAY AT THIS PONT, 17 LEAD CONNECTOR a AT GROUND. 4-111r Po mom "10 50 1+1 r -s VI RATR g Z4G 0001TMAL 01141111 67 51 110 U) 63A 4004 6"=a 9 54 S3 100 100 ti I.F. 262 KC. ro ti C' DELCO MODEL R-668-9 CIRCUIT DIAGRAM G) PO 0 4x U) Cl) .x 6K7G 6J8G ALL SOCKETS SHOWN BOTTOM VIEW 6K7G 6R7G 65 MAO 40111 0-- jos 71 a 7 ;soots 9 18 A ' CONNECTOR 150 41.16 13 BACK VIEW OF BAND SWITCH IN POLICE BAND POSITION VIBRATOR 72 54 .--gsmsMuow 21r ccejs n' c.; Tat 42 CONNECT nig Ti CATHODE RAY 10,xAT THIS POINT BAT GROUND. 4-1 1"a,2°w OZ4G .° 70Acp 400 V 24« 51 mows. 100 0 70C14.0 0011 v 10 60 64 61 -24 Tisr I.F. 262.5 DELCO MODEL R-673 CIRCUIT DIAGRAM 76 0 141 00 0 Cl) 1-3 0°CI Vs fV cn 6SA7 6SK7 6SQ "x' 6K6G U, ,- r 27 1 l000cy, 26 .00013? VI 4 "A" LEAD CONNECTOR 0- "x" 18 0 ill 1 3 1 _74-/ 25 0 IX. 4 16 05 / CONNECT CATHODE RAY AT THIS POINT &GROUND 00 0 CO 14 .007 23 .002 9 I.F. 455 KC. VIBRATOR OZ4G 42 115 .015 _25 DELCO MODEL R-675 10 33 ('x000 2500 imm io =120 10.0 c=11 21 3 vvVWvve9 500 8 36 17 CVO PI9 SSO M 051 0 4 Y 6SK 7 ro r .1-31 CONDENSER 31 NOT USED IN SOME F2.1 RECEIVERS 4 u) roM tyl t[Mro 0 44 01.7.3 rn 1111111 P .x. cro t5 5 4.! 10 I.F. 26a KC. CONNECT CATHODE RAY AT THIS POINT 8 GROUND "A" LE AD CONNECTOR 52 Ns.K.Anwr-41 101.1 46 2000 22 Qi0 C 47 DELCO MODEL R-677 CIRCUIT DIAGRAM 59 SOCKET VIEW x.. PRONG VIEW I.F. 262 KC. 54 r SI rip" VG APINO ir"'CL 16,15A1 _23 CONNECT CATHODE RAY AT THIS POMTi AND GROUND. 01 O 15 007 Se fMITCN ' T° PRONG VIEW Of PLUG i°N.S. 0 FRONT VIEW OF SOCKET 32 ION cm 'ITV S TO HEATERS F-- 5 Zi IR co -13 2 VIBRATOR 44 30 1,0 OZ4G al 0 .N.0 - - t GOO TO ANNE TER INSTRUMENT PANEL UNIT I 3 DASH UNIT cm, KtO ceal0 CPC0 33 IRO 7 39 17 /coon !SON 00 vir DELCO MODEL R-678 CIRCUIT DIAGRAM 0 0 6A7 MOO OSG. 35 OA. ________4111111111111111111111... 606 I.F. 76 41 OET POWER eV 04 AMA RNe(Wpr 1a1ra4l1te117; 7 26 r 0 /0 L -ea; 1 SPEAKEP. SOCKET ut-1 VIEW VOLTAM. TAULL I. 1. LM1IP1ATSWLVOEO1WL1T.1vA04C1..1-N.T.0A131A191MV3SOL(ETSXS COAEC-CPK.T.ENTIATZ WITI1 A MOO CNN PIO. 04...T VOLT 1FL MIOAGURE VOCTSGE3 DIRECTLY A.C71035 Hewn* imams. MScAo9mUiRlaEoR..EON1M3 1ruNuA-ISS WITH VOLUM! 1-.4 RNALATTESA N. CATNOOR 5 -ftRILIAI %Rif! QAiwlC 4 -CONTROL SAM GI .05C. SAID Gre -0SC. PLATE 634 -r - BOTTOM view or CIAA55k5. R. CT. .01 Mr0 I.F.-465 K.C. DELCO MODEL R-1115 CIRCUIT DIAGRAM (Below Serial #100,000) 141ATILRO 1 44 21. 7 / 6K7G OSC. a 29A 8 8-6 320 MMF. 0 23 22 IMF. -'298 ro 3M 8 .0,47 33A 22M I. F- 456 K.G. :39 /3 50M 200 -^- 6K7G I.F. a 0 E8 3 24 TMF. 25 TIME 6C5G 2ndDET. 510MMF. /01 /7 6F6G OUTPUT ME 1 38 28 2 7 .022 210M 260 SO .5MF M /8 ME0, MF.j- -00 571r "°'V TT f20 26 3 260 M TMF. IOM 14 320 /9 /a.gmE .012 TMF T HOT I 338 x6X5G 40 111 2/ 4 5 RECT. CO .0 tvi td Fr 0 co PARTS LAYOUT --Bottom View DELCO MODEL R-1115 CIRCUIT DIAGRAM (Above Serial #100,000) BOTTOM VIEW OF CHASSIS VOLTAGES MEASURED BETWEEN SOCKET TERMINALS AND CHASSIS AC. LINE VOLTAGE 115 VOLTS 6K7G 100 100 0 0 2 ;41a 285A C ns.1:A pD., 4.7.,6.0AC. Aanbu 6.0ALC. ArittITI 200 285A.C. lapre.4 .1:Loy 290 iD l',4 190 '411-e " 0 100 20 6.0A C I 200 100 6.0A.C. 0 .(DT01. 3 t.4*(ti%)% ./10.2.,. 8 '417,4-07e# 0 6X5G I0 00 6F6G 6C5G REAR OF CHASSIS 3 6.0A.C. 6K70 0 0xM CONNECTOR REMOVED WHEN DOUBLET ANT / IS USED 6A8G lu DET dOSC 2 417 424 24! I 444 1 6K7G I F 6H6 2 DI DET AVC. 11240 mw 4 510 I.F. FREQUENCY 456 K.C. NOTE, RANK SWITO1 MOM IN SNOW WAVE POSITION 26 0544F 6F5G A.F. 6F6 OUTPUT -44 11M4 260 4,44r 414 42 00 210 DWI 22 .004 40 7 X L(})lp 5Z41 SD RECT $ 4,44, 20 32 4, 2Ivs h R-1116-6 POWER TRANSFORMER BOTTOM VIEW OF CHASSIS. VOLTAGES MEASURED BETWEEN SOCKET TERMINALS AND CHASSIS. AC LINE VOLTAGE 115 VOLTS. 4748 0 255 W 0 285A C 0 KEY 0 50AC 6H6 ,Ittc 85AC 255 325 0 5Z4 325 245 KEY 0 0 6F6 44 -24 0 Or Co 1,13/4 4.4 See A nOte. 175 KEY BOAC 6A8G 255 No 4re A WAG KEY 0 0 6F5G KEY VeB 0 60A C 6K7G REAR OF CHASSIS DELCO MODEL R-1116 CIRCUIT DIAGRAM a CD 0 Cl)O D-3 11 ro carMym obi 6A8G IlI tosc 6K7G LF 6F5G AY 6F6 OUTPUT 21 .004 I.F. FREQUENCY ARO( 456 KC. 4 $1064 II TUNING EYE NOTE' RANO( S11101 SHOWN IN SNORT WAVE POSTON TM 21 34 24 MOT amom.m.of R -50 TFI POWER TRANSFORMER BOTTOM VIEW OF CHASSIS. VOLTAGES MEASURED BETWEEN SOCKET TERMNALS AND CHASSIS. AC LisE VOLTAGE 115 VOLTS. Bo 255 ISO 2MAt 0 -24 WA 175 KEY 6OAC 6A80 255 IC =44 DELCO MODEL R-1117 CIRCUIT DIAGRAM 6F6 6F543 REAR OF CHASSIS 6K7G 0C0 / 6A8 RF I stDETIIOSC 6K7 6H6 6C5 6C5 6F6 ZMDET I stA F 2s11 kr OUTPUT II at? 1.4 NANO( swiTCO 3110.1 A N WON! WAVE .01,,C. 5,0 3 SA1 Is td sr SEE NOTE 5 ti41 WEIS .0$ CONNECTCO A(104.0 111001 DOVSLEI ANI. II tt360 Te 79, MO. 03.r AL 413 Nr jai 22 5.10. te5 UM TUMNOETE new 5VG RE C4 T 25 I . F 456 I:C 0 Note A: 2.6 volts measures across re- sistor #43. 0 Note B: On sets below serial #415,215, the lead indicated by "Note B" was by- passed directly to ground through the .05 mfd. condenser Illus. #51, and condenser #78 and resistor #79 were not used. 6K7 SV4G 333AL 0 BOTTOM YEW OF CHASSIS 0 6F6 90 765 200 90 VOLTAGES MEASURED BETWEEN SOCKET TERMNALS APO CHASSIS AC LEE VOLTAGE ILS VOLTS -22.0 A 270 6F6 570 UNING N3JACIES AS.SCD 0 AT 056195 DO OF CARE. 0 RED 256 590.5.5 OPED.-001 OWE -2 6 099.9 O 6JA.C. OLACA 0 6K7 6146 6C.5 0 0 333AL IS 243 &SAC. q REAR Of CHASSIS 111111 DELCO MODEL R-1118 CIRCUIT DIAGRAM 37 See ,SN 6F6 OUTPUT 6A6 OCEI.010. COMECTCR REMOVED WREN - DRupjt ANT. IS USED 42 45 4 188A ililLant11.1 4 0 22 82 79 O co PARTS LAYOUT --Bottom View 6K7 6H6 6C5 6C5 64.6 LE imortamit 20 A/ PURI -.11U. OVERT s. 97 DELCO MODEL R-1119 CIRCUIT DIAGRAM UAL 0 BOTTOM VIEW OF CHASSIS VOLTAGES MEASURED BETWEEN SOCKET TER,ANALS AND CHASM AC LIVE VOLTAGE ILS VOLTS -24 26 6.2 616 350 00 -24 TLI4046 Elf In -TAMS MEASESED AT CHASSIS DO OF CAKE RED $6 510).%94 (011214-RMITE wamA Tali 6.2 AL. ILA01 0 6L6 265 ifi4i:w A.2 350 345A.C. 5V40 95 225 6K7 6.2 A.C. 0 6.2 A.C. 0 REAR Of CHASSIS 0 6C5 Note A: 2.6 volts measures across resistor #87. A 47 1; 6A8G osc - MOO. 6K7G I F 607G DET. AMC. & AUDIO 6K 6G POWER WO a: UFA 21 42 r I MCC ^ 35 0-A 10-I 50000. 35 r Is I %WU 31 18I IS 160 43. UP. 30 0 40 ...e 0 40 0 0-0.23 Spao OCT ANY...411100 240 If $11070 - NENTIA P- PLATE 3- SCREEN _GRID N- GATIFWE G- CONTROL GRID F FILAMENT GI -05C GAIO 02- OSG RATE 0541I.-/D-5IQ1K.1P5LSAOTRE AG HC- MD CONNECTION VOLTAGE TA111-L LINt VOLTAGE ',VOLT 5 AC "EMAVgAltq ITe&VrPAflORGI5rjILAIWANT 1000 OHM PEP VOLT VOLTMETCA A MEASJPE NEATER /FILAMENT VOLTAGES DIRECTLY 4010055 NEATEN I FILAMENT PRONGS 25 240 PS 0 ISO -0 ABG OSC -MOD FRONT ; BOTTOM VIEW OF CHASSIS DELCO MODEL R-1120 CIRCUIT DIAGRAM 8Y4G RECT. TO HEATERS ,PILOT 11, 05 Al 0 /Par SIVRC/4 ON VOL CCINT I.F.-465 K.C. O CD U2 0 6A7 OSCILLATOR & 1ST DE T AM , 2 21 a T1.(18-,E IC) </ 22 rlis 4,.0,12003386 78 I. E AMP 75 2ND DET. A.V.C. & 1ST AUDIO 41 OUTPUT -115 SPK. NOTE A: -3.5v MEASURED ACROSS RESISTOR 6A. NOBt-.11.4/sIgUR6ED IS O IPS LITOTALI NOTE G: -EN MEASuRED I G ACROSS RESISTOR OB. 0 C° BOTTOM viEw OF CHASSIS 41 REAR OF CHASSIS I. F. 465 K.C. DELCO MODEL R-1125 CIRCUIT DIAGRAM TO HEATERS & PILOT LITE 110-125 V. A.C. 6K7 R.F. 6C5 osc 6L7 1st DET -MIXER 6K7 IF 6H6 6F5 2ncLDET-A.V.C. 6L6 OUTPUT NOTE CATHODE RAY OSCILLOORAPYI CONNECTION TO DE MADE BETWEEN POINT A AND GROUND THREE POSITION RANO( SWITCH B -BROADCAST BAND POSITION P -POLICE BAND POSITION S -SHORTWAVE BAND POSITION SHOWN IN BROADCAST POSITION 6U5 TUNING EYE 74 reA'=" I.F. 465 KC. 986 78 DELCO MODEL R-1131 CIRCUIT DIAGRAM MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 5 TUBE SUPERHETERODYNE RECEIVER AC -DC TYPE 12K 7-01 1207-0T IQ co co. -r "Z° 3525-GT NO IIS r ...rat A. Moir . NO 0.5.11111.0.1 -C, .00025 WO. WV TUNULAR CONDENSER -C.. .005 WO 2004 TDIA/LAR CONDENSER -C. .01 WO 400*, TUDULAR CONDINSER -. ot IP15 .00V PUBLILN1 c0002,455111 -Cp .05.0..0 V. 'IMOLA. CONDOM... -C. 1 MM. 4000 TUBULAR CONDENSER C., 31:. 10 415 Iso .5,, ea. 5 c5Pcnrric 0040. ,.. C. POIND 00 WY ELECTROLYTIC CM. V,.. --% -L NM S 2 AAN VAINAIIILE C. 2500 04.1i .1 CARD. ...TOR A, AvESCOM AERIAL .4 SKASE. LINO Winn ON vOLLME CONTROL 3525 5014 55 1211, 1201 lan / PILOT LSAT Walgreen Model 520 DIN .5555 110. 00 Or SCRIPT.. RaCOS 1015X100 001.0 WAWA( CONTROL ISO OLIN} .11 CARSON RES4STOAAri, , 50000 ONN+1ATT CANDOR NEWTON w000 corm }NTT .R4014 1111410100 . 500,400 0.1.141ATT CARRON NESISTC41 . .401441.1 emleam atsurroo .801411..- NAT, CARSON 1545104 " IO 00* 4.5,1145 CARSON RESISTOR ANTENNA COOL 0-5 OSCILLATOR COIL IN., IF. TRAAMFOOMR D-2 OUTPUT I I 1RANSFORIK11 E .0 SPEAKER ORNER TUBE LOCATION B CHASSIS LAYOUT I LINING C057001. VOL°. CONTROL PO4(01 SWITCH VP N. SPEAKER 4L1a4,CESOCROOPt 110-120V. IA7-0 41 OO II. a Re ahol1f 1t.,m.1al vsA.N.V an, c. !Rev at -Oa EC') Vialgreen Model 530 TO . at Pp 1 C. co 1. .14115 1 410% -- cleos No. NO y 1Nat. co. ---- ..0..0A!.ANMO. saAm1c..l........44c.o.... .0. 1555 500 V. 1.1. COND. - .1 NO oo a C11 - .1 NO ode V ',nat./A CAN -- OD NO PS V. N111 cpt. Sag lo ND p ..... MAUL SNIP PCP PO 09. - cflp 3111. AO - aa 11 - - 15 MAIN pa tie .Ca ,., 4. -II 2 2 TO 40 N.O.O.N.I.CMOp,TtI6NOCNINCNN..N.. 1130, LON oplalas 01., , 7, 1 0.6 6, 01.41.N001 "M..I..011. 'a Pt 1 Pt A-11 ---NM, Dureno r T115Nrfill, II 10 le t SO0..0A .c4s4a.sc.o ...14R No mAusla amnion II, 3 01. ?NI P011,1011 .110. -1 ----OP 1 a44.4 mar. NONIN11110 e we 'ONO./ a 041,111011 NIA. cad. NEWT. 1.11.010 MOWN. .4. PINOT. , a G ,, d6I1O(00N14.6 .1.1511,00 44.0.1 11514141 101 N IA1.T4.444 L.I. 0411 a- 4011 .1 INN/ ANA ACANNI .um. 4 -P .5511.1 ONO a a14 IMMO 11.1.1. .- rIouilM BACK VIEW OF CABINET 11011N. P CHASSIS LAYOUT B TUBE LOCATION 188 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS WARWICK MANUFACTURING CORPORATION 41114110.110 .011. MOSS 1.1010 1 1111 GOMM 4111. VOL *0.1 M100. 11 4 upaRIENI 14.4011 ..c=447. 1004.110. 11. 04 a1t410110.4. MIN, 41 01 4040 611 674:e. C 1. 40C. .0014 4004/0.114.1. (:,1, 11... AIM Lir. Nor.. Is e%:.4.774."..0 co C1 ANT. TRIMMER C2 OSC TRIMMER BOTTOM VIEW FRONT OF CHASSIS ANT. SECT. OSC. SECT. ITSRTALNFi TOP VIEW B5-3IS 2ND I.F. TRANS. T3 kr2 FBI C6 S. C7 2NO I.F. IST I.F. Ce&C.2(1). 0 ro LOOP ANT. 1A 7G IST 0E7 CONNECTIONS FOR EH TERNA L ANTENNA I GROUND. 41 Sutl...ECT TO vA11,11014 R2 30,00011 C 2 O a 3 aft 35 0414i c, , T T, S C p00d1i " ib G3I 0 05 A F Wells -Gardner 12 1ST I.F. IP SG 1ST I.F. 456KG c,0 00! F. 13 2ND I.F. cl CIC no oca, C A4V11n1oM*l10 R6 3. MEG. C12 fro . 01Ntr. 18 VOLUME ,CONTROL do WiNiNt A5 4..5 MEG. I l Saila- 4 di 5 C15 4. Mi. - L swITCN 8+90V. A+1 #V. w O OroI 1 144W41 0 cn 1-3 Cu ro c--4002 MF. 1-0 Vl SPEAKER I cn 8 1 LOOP ANT --1"90 1 .511 7-77 CONNECTIONS FOR EXTERNAL ANTENNA GROUND. 12SA7 1ST DET 8 OSC I2SK7 I. F. 12 1ST 1.F. -1 aa - P 40 G 2, Cs L_ T3 2ND I.F. O I2SQ7 2ND DET. A.V.E. 1ST A.F. C13 .01 MF. AS ACAS WITH 5000000 NETE Cie 100 MMF. X o-wwrwA X 6. MEG. mixC12 of mew .004 MF. 35L6GT OUTPUT PAINT SPOT I.F.456KC. a R, o 2 MEG. cue VOLUME 5o MMF. w CONTROL NANA% oX FIT .5 MEG. Af 50 NW' EXTERNAL CONNECTION C15 OSC. M NOTE: I` CHASSIS GROUND ONLY -NOT EXTERNAL 0 POINTS MARKEVIC (ALL RETURN TO THIS POINT 12507 12$111 125A7 35LIKT 35Z5GT 35Z5GT RECT. RI2 L I SPIT. FIELD 166 .A *--.1.0 49 w 14 --=01117+ F21 0111 VOLTAGES AT SOCKETS FOR 40 III VOLT A.C.LINE. ALL VOLTAGES EXCEPT HEATERS AND DIAL LAMP ARE BETWEEN Z SOCKET TERMINAL Alf R1 .25 MEG. C, .25 MF Ca -B (INDICATED BY "X'..) II v. A.C.OR DC .m,c° A. Mr. .1! A. A ON -OFF SWITCH tr" P4 6011 DIAL LAMP A.C. 2511 ED 325.0. GREEN C14A SPEAKER 4-nCi48 20 MF.-aocYcLE ill 50 MF.-25CYCLE 20 MF.-60 CYCLE T4 MF.-25 CYCLE tri it N 5A255-469 35Z5GT mWaei Si2hizei, 5a25S SAME AS ABOVE CIRCUoITw-orr , -S,W--ITCN DIAL LAMP RI5 ox 140011 35Z5GT RECT DIAL LAMP CIRCUIT FOR 25 CYCLE MODELS ANTENNA SOCKET 1.1 0 IA ANT Cy 7.14MF. CI it, kirk C2 4:0115 V HI R2 CI .2 MEG. .001 MF. 6SA7 1ST DET -0SC . 31. Go =`,TioT41J 6SK7 R.F. Wells-Gardner 1ST I.F. HI r jcP g1,1 crut; 6SK7 1.F. CIA T5 2ND I.F. C3 ,c-11POPO15F. Cs 4 13 OSC Cy L10 L VOLTAGES MEASURED UNCIER FCU.CWING CONOIT IONS BATTERY VOLTAGE 64 AT TERMINALS. L -D SWITCH IN -CP POSITION. ANTENNA SHORTED TO CHASSIS. VOLUME CONTROL IN MAX. POSITION. ALL READINGS TAKEN WITH !DOD A PER VOLT, METER. PLATE A SCREEN GRID VOLTAGES READ ON 500 V. SCALE. AU. READINGS TAKEN BETWEEN SOCKET TERMINALS AND CHASSIS. ()DIAL LAMP OARIWAL VOICE 1.' COIL CONNECTIONS FOR EXTERNAL FIELD SPEAKER. COMMON 4_431,2_ SAMOA LAMPS -AUTOMATIC /WONG TO AMMETER I/AWAIA0 CIO 0,000 .041oF. CO Fal I I MT. L R5 2,0ZIT qo D (DLOCAL ISTANCE SWITCH Ry .2 MEG. 0174 Ci-pcs 50 UN,. PAW. S Ls SPK. FIELD 4.411 SPEAKER PLUG PRONG END Ry VCOOCILE"1 1.11 15 0.111 I ER SOCKET TTY{ WIRING NOE 16 C 0 N2M50& 1/49.1L) 0.1 A 0.34 .LC31 01 MF. FUSE 200 L7 LA 0.1A ON -OF-F-"--c°3*-3---"+"-73611,49 SWITCH T5MF. 200TIAMF. C30 .001). - 132 76)15 6SK7 1ST A.F. PC231111 .02 MF. Hi TONE CONTROL 2.1MEG. C14 .04 Mr. C 1 cp RI2 2. MEG. 02 VOL ME Mr. CONTROL C20 P14 C24 100 PAW. C 2 27.1EG7 a :'11 C37 :a I§ .0 S02W. C26 .001 644 A QS 0 0 0 ,r- Ts VVII4H111I1475./611 6N7G OUTPUT H C27 6 .002 Mr. -70130e11a.1u44,A-_ _f 601 Rp 000 A. ° VIBRATOR SOCKET WIRING SIDE C15-5154 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS TRUETONE MODEL D976 tfl 0 z W0 0 00>000 CC z &r) 0 01-2 0I !FUJ oi J 7) as. O i0 0 . O "'Nth O 0 10 O O 2:1011, FiL CIF N U cc_ N X(0 O oo z cc HIS cc II, Circuit Diagram Reference No. Part No. Description RESISTORS RI R2 R3 R4 RS R6 R7 R8 R9 RIO R11 R12 RI3 R14 R15 R16 R17 R18 R19 R20 R21 101161 13019 13054 13079 13019 13054 13012 13012 13021 13055 130235 13019 13056 13056 130208 13020 130118 130101 13019 13011 1305 1.2 megohm volume control 1 megohm-5S w. 500 ohm -55 w. 400 ohm-A w. 1 megolun-A w. 500 ohm-A w. 50M ohm -54 w. 50M ohm-A w. 20M ohm -55 w. 30M ohm -1 watt 1500 ohm-A w. I megohm-55 w. 100 ohm -55 w. 100 ohm -5S w. 40M ohm-A w. 100111 ohm-A w. 600M ohm-A w. 600 ohm-A w. 1 megohm-53 w. 250M ohm-A w. 300M ohm-A w. 1122 13011 R23 130274 R24 130273 250 ohm -5S w. 360 ohm -1 watt 900 ohm-I watt CI 12483 C2 12481 C3 12480 C4 100102 C5 12480 C6 129137 C7 129136 C8 10022 C9 12939 CIO 1292 C11 10022 C12 1296 C13 12912 C14 10331 C15 10331 C16 11626 C17 1009 C18 1295 C19 10011 C20 10026 C21 10037 C22 1295 C23 100100 C24 10011 C25 11626 C26 11981 C27 11981B C28 10089 C29 10074 CONDENSERS Antenna Shunt Trimmer Antenna Series Trimmer R. F. Shunt Trimmer .15 x 400 v. Oscillator Shunt Trimmer .0005 Mica .00017 Mica .05 x 200 v. .00005 Mica .0005 Mica .05 x 200 v. .002 Mica .00025 Mica .5 x 120 v. .5 x 120 v. .25 x 400 v. .05 x 200 v. .0001 Mica .01 x 400 v. .02 a 400 v. .003 a 600 v. .0001 Mica .038 x 1600 v. .01 x 400 v. .25 a 201) v. 16 mfd. 16 mfd. .008 x 800 v. .1 x 400 v. PARTS 0 To WHEEL STATIC: Wheel or brake noise is probably the most peculiar type of interference and is due to accumulated static charges. This TI 111118 T2 10949 T3 110109 T4 108137 T5 108138 T6 10586 T7 114154 T8 104159 LI 10566 L2 10519 SI 101161 S2 12574 P1 10797 12610 P. B. Antenna Coil Assembly P. B. R. F. Coil Assembly P. B. Oscillator Coil Assembly Input I. F.-465 kc. Output I. F.-465 kc. Output Transformer 6" Dynamic Speaker Power Transformer "A" Choke "A" Choke Switch on Volume Control Tone Control Switch 6-8 v. Pilot Lite - T51 Vibrator type of interference is only noticeable while the car is in mo- tion and could very easily be confused with ignition interference. Check for this with car running at a good speed, turn the ignition switch off and the clutch disengaged, apply the brakes. If the noise stops, the source of the static is in the wheels. To overcome the wheel static condition, use graphite grease in the wheel bearings or insert grounding springs in the hub caps. In the case of external brakes, it may be necessary to ground the brake bands to the frame of the car. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 171 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS TRUETONE MODEL D1070 NJTEML PLATE I 2SA7 INPU(;)1. F. 4 C3 C4 ANTENNA PLATE ° EXTERNAL ANTENNA BOTTOM VIEW OF CHASSIS VOLTAGES MEASURED WITH 1000 OHM PER VOLT VOLTMETER - BETWEEN SOCHET TERMINALS e ANC) NOTE'.SWITCH SHCULD eE N RADIO POSITION AND SET CONNECTED TO 117V. eo CYCLE A.C. SUPPLY SOLACE. NO SIGNAL AM) VOLUME CONTROL. IN MINIMUM POSIT1ON. 35Z5GT 00 [A] [e] [n] 0 00 u 50L6GT 102 82 0 100 12SQ7 A) 0 [A] cA*.OT EE AEASLAED WON D.C. PLLIVETER [s] POINTS CA UNE CONTACT. a OSC. VOLTAGE TO BE MEASURED WITH R. E. CHORE IN SERIES WITH VOLTMETER LEAD. 0 ASV. 12SK7 I2SA7 *-9 0 82 82 [A] [A] A) 82 A] 62 REAR OF CHASSIS 1 a0 C2 12SA7 s I2SK7 I2SQ7 50L6GT ® 0 :4 0 tt 00 I /6 '111110 000 C71 RIO R11 CI =Om RI CS CI RI6 If 465 KC R2 .WvVvV R3 D C B A F E "114.1 I I 1jI 88 N3.00 A RI2 7 R8 Z,C 9 H G "'CO 35Z5GT 51 R9 R13 RI S RI4 VIEWEDFADA REAR IN RADIO POSITION -D OS 10`510 125 AC- LINE C13 CIA CIS C 10 C Circuit C8 10025 .002 x 600 v. Diagram C9 100119 .1 x 400 v. Ref. No. Part No. Description CIO 1001 .1 x 403 v. RESISTORS RI 130176 20M ohm-,A w. R2 130118 600M ohm-A w. R3 130118 60OM ohm -5i w. R4 13056 103 ohm-A w. R5 130170 3 niegohm- w. R6 13012 50M ohm-y5 w. 127 101217 6/, tnegohm-volume control RE 130257 5 megohm-5 w. CII 12912 .00025 mica C12 C13 C14 C1.5 CI6 10019 11994 11994 11994 10011 .006 x 600 v. 40 mfd. lytic-150 w. v. 20 mid. lytic-150 w. v. 20 mid. lytic-150 w. v. .01 x 400 v. C17 129162 .0003 Mica Condenser C18 129163 .000025 Ceramicon Condenser C3 and C4 in same unit R9 RIO RI2 1113 R14 R15 R16 130215 1309 13037 130166 13097 130287 1309 1309 22053oMhomh-m.A-5w. w. 750M ohm- w. 150 ohm-A w. 200 w. 1200 ohm -1 watt 200M w. 200M-5 w. CONDENSERS C13, C14 and C15 are in same unit PARTS T1 112767 Antenna Coil-Permeability tuning assembly complete T2 112767 Oscillator Coil T3 108140F Input I. F. Coil -465 kc. T4 108145ll Output I. F. Coil -465 kc. T5 105108 Output Transformer T6 114193 5" P.M. Speaker Cl 1295 .0001 Mica Condenser T7 104206 Phono Motor C2 129114 .0003 mid. 'Inca C3 124136 Antenna Trimmer T8 T9 12228 114194 Turntable Phono pick up arm C4 124136 Oscillator Trimmer SI 125113 Phono Switch C5 1295 C6 1009 .0001 mica .05 x 200 v. S2 Switch on volume control PI 107249 Pilot light T47 1172 C7 1295 .0001 mica Ti and T2 in same uniit COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS DIAL TUN NG VOLUME CONTROL S. SWITCH ON Orr A + RED A- BLACK SPEAKER PLUG Western Auto Truet one Model D1-1080 1-0 cc O 9+ BLUE a3 O 8- GREY AC -DC LINE CORD RI 13038 R2 130266 R.3 13018 R4 130208 R5 130215 R6 130170 R7 130129 R8 101210 R9 130257 RIO 1303 R11 13038 R12 13092 R13 130100 RESISTORS 2 megohm-3. w. 203M ohm -54 w. 4M ohm -54 w. 4026 ohm-A w. 25 ohm -54 w. 3 megohm-A w. 2500 ohm-A w. 15 mmeeggoohmln-voluwm.e control 500M ohm2 megohm- w. w. 1M ohm -5 w. 150M Ohm -5 w. C 10212 125 CI 129 C2 100110 1009 CC34 12912 CS 1009 .5 CONDENSERS 2 gang0002 variable condenser .2 mid. x 400 v. .05 x 200 v. .00025 .05 x 200 v. 10020 C7 10011 C081219195104 CIO 119104 CH 10025 C12 1292 C13 119104 C14 10011 C15 10023 C16 124116 C17 10026 .1 a 200 v. .01 a 400 v. Lytic 203 mid. a 6 w. v. .0001 mid. Lytic 40 mfd. x 150 w. v. 002 x 600 v. .0005 mid. Lytic 20 mid. x 150 w. v. .01 x 400 v. .002 x 600 v. Adjustable antenna trimmer .02 x 400 v. C10 and C13 in same unit PARTS TI T2 T3 T4 T5 SI S2 S3 I- P1 111171 Loop Antenna 110144 Oscillator Coil iceinB Input I. F. Coil -465 kc. 108172 Output I. F. Coil -465 kc. 114189 Speaker with output trausfor 101210 Switch on volume control 125106 Power Switch 123107 Cut-off switch in line cord 107249 Pilot light T47 N +41111--1001.- 50043i<-- 00001 CL osoc 9 P I 173 v. J COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS ANTENNA SOCKET LI 0.1./1 a T ANT. C7 .001 MF. I C4 Co C <0! IN12T CA .0015 ME. 6SK7 R.F. / C .2 MEG. .001 Mr. 0 6SA7 iST DET-OSC. 5.41G5 H 40- T4 1ST I.F. 04 a G.4 rt,g C3 245 60.IF. 141 C6.1 Ta 05C. w L Co I- 100 MMF. Ito = 4 C10 0,0001k 0 .0414F. jAiudonk 911actil .01091 6B8G 1.F. -2ND SET A A.V.C. 6SK7 1ST A.F. 6K6G DRIVER swv .2 MEG. 3 Cl9 Rt2 1 C176 Ci78 R14 100 MMF. 13 100 MMF. l5 Ir C25 002 m F. 2. MEG. R TONE CONTROL C26 .001 F. 6.44 0. Qs 00 Ti -TO 43. 4111 45411 6N7G OUTPUT C36 USED ONO, ON CA MODEL. L4 .02 VOLTAGES MEASURED UNDER FOLLCAVING CONDITIONS / \a. KNOB L AmP SWITCH SPK. FIELD 1.1F. BATTERY VOLTAGE 6.3 AT TERMINALS. L-0 SWITCH IN -D-POSITION. ANTENNA SHORTED TO CHASSIS. VOLUME CONTROL IN MAX. POSITION. ALL READINGS TAKEN WITH ICOOR PER V01.1, METER. OICE SPEAKER PLUG PRONG ENO + R6 IL C2OC1500 C268 PLATE A SCREEN GRID VOLTAGES READ ON 0001.1. SCALE. ALL READINGS TAKEN BETWEEN SOCKET TERMINALS DIAL AND CHASSIS. LA MP 1.6 .0. FT20. mF. 40. MF. L VOICE COIL 00 CONNECTIONS FOR EXTERNAL. FIELD o SPEAKER. 0.1 D. SAC0e COMMON. io MAW 4,EAKWEIRRINSGOSICDKE ET 1.00 0.1.0. TO AMMETER L7 ' rust c,,, 200MF. °"'-24644-4. ON -OFF SWITCH C A L3 250 MMF. 11.0 0.3.E1 4a C3' mF. T.01 L sj 4.9 03-73---"-T3--re TS Alf. 200IMmr. 132 0166 ATOR SOCKET WIRING SIDE CI3-C14 -546 H 13 C27 cr .002 ...F. 1302k 146 11. uji 0 0 ar _o2 El 7 1/0-\ 7.5 R. + 1,500.0. flc i20 114F. O R4,20 O R2,1 Z R19 R7 Resistor-I/3 w., SOM + or - 10% Resistor -1/3 w., 300r + or - 10% Resistor-l/3 w., 5M + or - 10% Resistor -1/3 w., 400r + or - 10% :9, RI Resistor-I/3 w., 10M + or - 10% R17 Resistor -3 w., 10 M + or - 10% R16 Resistor -1/3 w., 100M + or - 10% R11 td R14 14 R11 Resistor-/3 w., 70r + or - 10% Resistor -1/3 w., 200M + or - 20% Resistor -1/3 w., 300M + or - 20% X P.15 R12,22,23 Resistor -1/3 w., 400M + or - 10% Resistor -1/3 w., 25M + or - 10% R6 Resistor -1/3 w., 1 meg. + or - 20% R21 O RS Resistor -1/3 w., 500M + or - 10% Resistor -1/3 w., 100r + or - 20% VI RI! Control-Tone and Switch R13 Control-Volume C32 Condenser-Paper, .01-660v C1,2,3 Condenser-Var. (Mech. Tuner) C23,24 Condenser-Paper, .1-200v C30 Ca C19,34 Condenser-Mica .0001 Condenser-Paper, .1-400 v. PO C16,17,21 C4,5,6,7,8,9 Condenser-Paper, .05-200 v Condenser-Trimmer CIO Condenser-Padder, 3300 mmf ZCll Condenser-Padder, 450 mmf., adjustable CI C18 Condenser-Eke., 20 mfd., 150v C29 'V C27,28 Condenser-Paper, .03-200v Condenser-Paper, .002-600v C36 Condenser-Elec. Wet., 16 mfd C35 Condenser-Eke. Wet., regulator O1 C22 Cord A. C Condenser-Mica, .00005 OM 0111 tdZ rows AMYX PIOCMIV,71041 rollif15407CJI VAMP" r I I 111111 .R'`_D MIN e-n 11 a 00 L 0 0 BO 6ACS 76) 6ACS 6,17G 6 fr(34.; 325 A NTLWNA COIL 4.S 0 0.0 0 43.4 R r ,os °2J 77r/AVIERS 325 NC Sw 0,-C/I1.4 TOR COIL TC 60'G 76 To 6ACS Ic :sr /0 235 6° VOLTAGE CHART Crn rn (n^, 00 r- MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Westinghouse Model WR -166 125A7 PT 0E7. OSC. 400 1-3S6 341 60 * CS " Ew ANT COI L IsT I. F. TRANS. 455 KC us' GOvc.i T N'14030" RED i 125K7 1.F Ri, 12SQ7 2"° DET.,15TA.F. &A.VC. 2" I.F, TRANS. 45511C 35L6GT OUT PUT Go cs 4.-0 SC. 3 COIL V"' I. S. TRANS 1 1304-:ez) S INDICATES CH ASSI S INDICATES COMMON WIRI NO INSULATED FROM CHASSIS 352467 SECT. VIR-1414 3N-410 011L LAMP 42. RED 4. +\,..pLue 12 :MW UNIT RIM tE111 IMO .-sweros 01 VOLCIPITROL 11077113M VIEW RI TUBE SOCKETS. LOOP Model WR-170 1417-05c. EDtrO. CAREN tortrioN_ I toC6. PFONO. EOM I t OPINKKO LOmO1o10 PERMANENT_ MARKET DYNAMIC SPEAKER BOTTOM VIEW OF TUBE SOCKETS I_ motives 'Mr CHASSIS GATMODE CURRENT/ (11 12 SA7 ..__ _10.2 MA. (a3 1251C7 _____ .16.11 MA. (31 IT SO7 _ - - -_0.14 MA. it4r1rASOLL*564.T_. __ .40.6 614 CURRENT_.__ ,b8 MA. i lg. tlS:iortg corin...TL-iorig VERTICAL ' 0 . TO 63/r1210. 'griatLFOST 342aGT r 1-0v00 A. MI E Wssel 8 117 V. yr SWMI, Onl o <131011. IR 0.1 LPL I.F. 455 KC. COMPILED BY M. N. BEITIVIAN, SUPREME PUBLICATIONS BAND LOOP moat feetarilIcC41/ Y IMO LOOP SOCKET 6SA7 BOTTOM VIEW Of 1E1 DET. Ec OSC. TUBE SOCKETS C3) 1SMC 4. tII rr. TRANS. 4SSKC D C(710 54 IFS LI L 0.1 -L 'Tr RANCE SWITOI VI Per FROM roan AND SHOWN SAM (MAXIMUM COLINTER-CLOCISINSE litzwmic POSITION EURO IMAM Moms NEW 000INTS SHOWN ILANVIDt/ THROUGH CONNECTION 7130 6K7 I.F. 6H6 2.07 DET. 3L A.V C. 4. ZEE 1., 'TRANS. 455 AC Jr Jr 220 nia L4 a TELV S 2.2MEG SR X. COomto soo,00 TAP 4T ts,000A S OSCILLOGRAPH CONNECTIONS ' vERTiCAL:le TO THIS TE VERTICAL TO CHASSIS. A.6Fs:F5 V0.g4i.-PGUT r - I CATHODE CURRENTS (I) 65A7 (2) 6K7 (4)GSFS (5)6F54 TOTAL'S CURRENT 10.5 MA 14.7 MA O.4MA 41.7 MA 6.7.5 MA 9.311. foOtv 13.50 25/v 349V. 5Y4 -G RECT. RED sea TO suLATERS D1Al LAMPS VOLTP,GES MOULD NOLO *TIN,. K2011. WITH 117v AC SUPPLy 117V STAID.= VOLTAGES ARE OPERATING_ VLTAGE3 CS WITH NON SERVS K.500011C. THE ACTUAL 'AAUP= VOLTAGES WILL RE LOWER DEPENDING ON THE %04-11PETZA WADING O ma Westinghouse Radio CABLE SOCKET BLACK PLATE OUTPUT SLACK- SHOWN- SCREEN OUTpu T SHOWN FIL. RECTIFIER VOICE COIL NEUT COIL Model WR-375 FIELD Speaker Connections MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Westinghouse Model WR-674 1ST DE -r, & OSC. LS (1.07701/.1)F L4 vroe)... (is* 456 KC ---1-3425TRANS BATTERY CABLE WRITE PLATE SCREEN 0.Sa. miLLIANPIS MILLIAMP5 1131.i (10.;. 1.3-0 I .1 0.23 iImcss--1e3 0..103 1.03 2.01.F. LS (00770.11 (T001 455 HC1..6 --- z-.0ET.,A.E. OUTPUT & A.V.C. TELLOw GREEN tVev. ass,. 4&v. BATTERY PLUGS G A 1399 C2 10, OCT CIA OSC. SPEAKER TIP JACKS ICAIO 0 A C IA7-G 3.3y a 017 OCT. & 0 me.0 -C17 1:30I3C 1"--1 emcee TO OSE RED " aoorc C19 a2 V T013.13-0 11v Gt 107 I. F. TRANS. 11.33e szv. N5-0 I.F. 2.0 I.E. TRANS Tube Location Note: Values with star (*) are operating voltages. Values not starred are actual measured voltages. Measurements are made to chassis unless otherwise indicated, with set a ICS G vesLOW .4, OUTPUT 3--- 07 &Iv 15 46500 IN5-G 2.0 OCT ,A.E &A.V.C. ROTTOPA seew- REAP 013 CHASS111, tuned to quiet point. Output Meter meter across the Alignment.-li voice coil, and this turn method is the receiver used, connect the volume control to maximum. Test-oscillator.-Por all alignment operations, keep the output as low as possible to avoid a -v -c action. Pre-setting Dial. -With gang condenser in full mesh, the pointer should be horizontal. ......._ Connect the high Steps Nide of test- oscillator to- 1N5 -G grid cap, 1 in series with .001 mfd. 1A7 -G grid cap, 2 in series with .001 mfd. Tune tetsto-o-sc. 455 kc 455 kc Turn radio dial to-- Quiet point between 550-750 kc Adjust the follcwing for Max. peak output - L5 and L6 (2nd I -1z transformer) L9 and L4 (1st 1.F transformer) Precautionary Lead Dress. - I. Dress speaker leads down to chassis. 2. The green lead from the loop to the antenna section of the gang sahnodupldulbleeddtroewssaerddbtehtewfeaernctohreneorutopfutthanedlodoeptebcytuIrntcuabnessohfieltdhse Assemble chassis and batteries in correct position in cabinet, and fasten rear cover (loop) in place while making 3 the following adjustments, which are accessible through holes in the bottom of the cabinet. rubber band. :1. The spiral shield on the 1st-A.F. grid lead as close as possible to the grid cap. should be brought 4. Leads to the high side and dressed down to the chassis tap of the and away volume control from the output should he tube plate 4 Antenna terminal. in series with 1500 kc 200 mfd. Connect 5 low side of test- osc. to"G" term. 600 kc 1500 kto 600 kc C17 (osc.) Cl (ant.) L2 (mt.) Rock in lead. 6 Repeat steps 4 and 5. Antenna. -An antenna and ground may he connected to "A" and "mGo"reatthbaontto1m50offecaebt,incoetn.neIcft total length a 300 mmf of antenna capacitor and lead in series in Is with Use bottom of "1" in "1500" for 1500 kc calibration point, and use center of the last "0" in "600" for 600 kc calibration point. lead-in. 157-0 15,DET.8.0SC. I N 5-G 1.P. AM PL. 1H5 -G 2`013ET., A.F. 6. A.V. C. IC 5-G OUT PUT ert0nKeEle-0c33o3v1ftems COIL V Lae. aL,- 1,7 1, F. irr TRANS 2.. I. F. TRAN S , P vtLLcev... Cl 33mr. Ca tame ano la Cl sa PARE C"LZ C3 I_ DG1 SG SA weAr R2 L3 LA 111.000 11, ,A O . -- .0Cta1aro :4C7.1o5 woes. t -to mmr. 411 C16 - .K ir C1.8 SE 0A3/10 C4 &Noir. CS 56 fa AIME C0I3I MED. 3,16ACO. CI 00 umr. CIO 1000 bANI1E Ra7ns.o VOLUME CONTROL AmSu. 4 maw' l R9 7. sae& Li sea 21 A 11.1 W 05C TRANS. + C19 Mr0 152 ON VOLUME fsf sitt.Low 17 'A' TWO 411 v.'s- BATT CRY FLATTERIES COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS WILCOX-GAY CORPORATION CHASSIS MODEL 9J9 DJ 0 tMIKE EmOTIO RECORD SWITCH RdSPEC TON PLATE I OPENS 0-R. CLOSES O -P, R -D 2 OPENS 0-R, CLOSES 0-1.4 3 OPENS 0-R.D-E, A-8 CLOSES CI -M, D-F,,A-C 4 r ,nst POI. OPENS A -H, CLOSES A -C REMAINS LLOSED II -4 4 SECOND POS OPENS N -u, CLOSES A -L REMAINS CLOSED A -C TO USE RAM ONLY -ALL PLUNGERS It CIRCJITS CLOSED O-R,D-[,A-HNvI CIRCUITS OPEN PP, D -E A-c.A-LA-MG-R A- HOAX CUPS B- /13010 ARM ASSENIOLT -C-TURNTAIL( D --MOTOR t ARM PLATE E- CUTT ER AMA AUDREY F - MDT OR CONTROL G-LUSTER SWITCH t vO.JNE CONTROL TONE CONTICI. I -HAND SNITCH .1 -TUNING CONTI'S. I -TO USE AS PNCIERXRAPH 2-TO USE AS MARK ADORLSS 3-To RECORD NICROPNONE 4 -TO itir.cm RADIO I.F. 456 I.C. MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS k8 adJ '0 ZENITH RADIO CORPORAT/ON Models 4B422 -4B437 -4B466 --4B468 Chassis No. 5417 ,1 0 .., .. ZI? N 'k,k.4(i ,,,0 ,Il ''.tttt,' Q ,,l'e,2 ?c,,i ,t,,,qk (.0 IkkikNkt., LAi K);,,,,%,1I.714,Pkz <1,,,,c4 viiiii c4ik.(.Q;; 1,i61(4:.'.1 ,,,,, 2;k;2k;2k;18K.-o,t, k.1/4%,1 ,k,)1, t-4,001Nik --,,,,,,9: rk f' {O /aCClCtoOD`s lit II Ir r- Hi,. c., L CONVERTER I A7G / 1N 5G V,e41t;0, 1-. ,N.INI04:0 """ 3k kkk -=',430C-VV, 4=131"ilt: 0 1: % IZZi1kvl4,,otWiag1/Zk u 4., -"1,74°04yaliz z,z,,-,,1,N,',..4.1,, tlad CI 'nt.driVIt'Z''Q,N'' ffffff k k. CkR0Z0I0O0W,VIMLV'NI.t0t;4:,:1M0;4 ,,004%:.4101%.1..:0004.:0401f.0t1m1:00111.0,0 w.4,15Ne404,.4,0,1%* 1pt (tk!tktkktkkkkokk ot0io.o,p...zeo.svvobloi.w,,,:.t..`.N4...'w.,A.4;.4x%o1",. k 0 0 "1 ii I ct -x. g. I 4)- 0 V tk q:).140 0.t,.- 14 i k4J ,,Iti kNin(O41 WvOekkk4 1 kc?'=.k!'6.0 0?\ .0%02~0mmil)*'"- % a%m., k 0.1.44/1 k '114 /4 k c`.%4 0, % , r' 6... NaNllar.r.a... ... p. ti.. 4 ,N,04,411,1110 %!)5,;T. 02 0lJ0000QQ000lJU i si DE T. AMP. BOTTOM VIEW OF CHASSIS FRONT OF CHASSIS 1Q 5G All voltages measured with a MODEL SPEAKER 413422 49-345 5- 48437 49-328 61i 1000 ohm per volt meter from chassis to socket contacts. 180 48466 49-342 1048468 49-359 8" Voltage readings are all positive D.C. unless otherwise indicated. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS DMa , Art ANEA, OE-SCR/Pr/ON 'Woe M,S,,T OE-SCR/Pr/ON 0N4.,1 ARM r til. OCSCR/Pr/ON CI C2 C3 C4 te-ss$ rwo.phys weRmaLE tt-829 OS MiZi 26./48 000/ /Rip 22,426 .011.6TO R4 eoor RS 400e R6 POOT R7 63-593 47M OHM / w 63 /072 /040MS Ca./7RA. 63.507 4700 OHM Iv 63-604 /0 ME6ow44 sr 4 CS C6 C7 22.843 20448 18-684 .0/ MPZ1 4470Y 004,44PD 6001/ 27A4Pa ater/tAirrie /SOV R8 R 9 R47 63.27/ 63-600 63-230 / ME60/1161 2 2 14200~ /000 OHM 4W A )4w 0 J4 W C 0 F R I 63-654 /ROM ONI4 4 of f to -toe ANTeNNA co& 0 R2 RS 63-594 621/0 OHM 43-669 39 MC60.9,4 - 14W 2 S-78/5 IOSCatiA7-4/7 COIL ASUM ,)4 W 3 95.582L/Z7 xr TRANS ASsem 95-595 29 / I, TRANS 4ssirm /21 / P TRAMS PR/ Iir / I" rRANS SEC 28J / r TRANS PR/ Zs / F TRANS. SIC EtDcAsrOST (ON 44//4) ANT a. .19sr (ON (CARO - 1H' BATTERY PORTABLE 4 I.F. FREQUENCY 455 KC TUBE SUPERHETERODYNE CHASSIS N-9.5420 ZENITH RAD/0 CORPORATION Models 48422-48435-48465--48466 Chassis No. 5420 CONVERTER 1 A7G PWR.-AMR 1 N5G 1C 5G 45 *ft All voltages measured with a 1H 5G45" 1000 ohm per volt meter from chassis to socket contacts using MODEL SPEAKER a fresh Z28 battery pack. 4K422 41(435 4499--238268 5O-f 4K465 W(466 4499--335492 O /0 - - FRONT OF CHASSIS COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 181 /A 7G CONVERrER N 111 2,31 ANT LEAD GND LEAD CL ,,,,,,,,,,,,,,,,,,,,,,k,,t '.7.; ; a7 I ; ::;;;;;'4;ft7 WrItZ,t1tt 1 C3+ ..IffilvpttzWi geh1 .,.,1 i il , ?, ; F i 4b e, reill Wan /3411311)014414,44,411 11-,k::a.obv04'''.''th i.,,,,;;;4Tti ttt09ri?Zei i4ittZt.ti 1.?, i''MiktAittl IlqVt'sh411 203ti ti 0 o Ei ,4, kirkk ktckt.,a,* ;4( 14 411141 0110r101 Clit,OkWA,l ,1,7,TtlN ', ,1,ciA ---W-tz; ilt1S: ,.,?,:,:4 r(), ,,,,,,, ,,t 4I4*C1i 4FI il 'i, 130,,,I n t zi ''n'q P 'i i I 1",z,_ na 2213 /N5G I F C 3 2213 221 RA /H5G DET-AMP /05G RWR AMP. "SPEAKER z cl RA R4 Nwo.A. R5 C3 C3 R 06000000 s.13 5304 son /056 iNSG 11155 IA7G R 0 3.PS T SWITCH ON VC yO C/4` C CAE Cl) p -a C, II7Z6G RECT. .3POT SWITCH Sh'OWN IN LINE- VOLTAGE ROG/T/ON 0 40 ro LINE TOP Y/EW OF MACE BAIT PLUS A CONVERTER 1A7G /4 4s RECTIFIER 117 Z6G co rq Po :1 C) tl CV IH5G MSG DET.-AMP. PWR:AMFI FRONT OF CHASSIS Socket Voltages En O /2A8G CONVERTER /2K70 /F /2076 DET-AMR ..3.5466 PWR. AMP SPEAKER HA OA, ( CS e 1 C/O to P4 ZSHIELOED wAvEmAONE-74:1P+ 6 2.011 C/0 PHONO MOTOR . MANUAL AUTOMATIC INITCN SHOWN IN MANUAL POSITION /0 *ARAN,. IS VIII. OP ALACK SW ON V.C. Cn DENOTES 6Roovi ro FRONT Pt Art PWR-AMP. 35 L6G 87,4 C /11 RECTIFIER 50Z 7G CONVERTER 12A8G //A .0 0111 61) 12 07G DET.-AMR 12 K7G I.F. FRONT OF CHASSI S 100 -79 BALLAST TUBE g m g Iq c0 a 0:1 CD 03 Cn K3 PIS 3,01( 4+ FIELD gi4CP ,100A NOT /PA00 .5260 2470 12070 Pc VA N CI A 10.i.-.12V22=VIV II fffff %-..'1,...N. fth, WN.A Znra 4tettt z act c4. "1 It O tt4-,12!w+'44 g,za-aiii, , 11 pb1kt1e,iii,,tt, , D 2 o.rig i ^ t4 1 1 ; 2 t ,.1 4 a PP, '.itr1E1 ncc '--- p ,.--,,,,,.....4CW II li AgtAiigi144' 2lU4tPuig1Wt:iV4ll2aWi1kitVnaevtitott. t, Cl 2 tZt1 .I.,tttt t il PI 'i 1 , zi. Wi.,Z i t al Ottikaai Litt i.-.7.--s....... :I rrztqoatt" t tie.i.4 4, VIIRC ir; r4'1. VIr.9 Zr! A - ;'3Wit,1 !-,1200 r'1, :7,A:A t ill '-t ' 'i t"'Z =I 1 ,t '" " Z 12 A8G CONVERTER 12K7 1 17 1207G DET-AMA? 35L6G PWR AMP SPEAKER !0faC z 4 C,4 #0 RI! 34 Ple/C OP 5E7E3 HERE 1110 C.1 3M SHIELDED WAVENIAGNE I.F. 455 KC. 444fEN rffLLQQw r - ....L2.9/ t I 11 PHONO C'S MOroa otworts csoowva ro roNr PLrE 4'O 140 3 LVVVVN RIZ 50Z7G Rtcr R,0 Sett .4 4/EL 0 /0004 Her CD 113,,0 C" :.ar42::QTar.v.'z:rtl r4 N NN N NeIN N Nft,to 1.. ........ 4? 11. i VII; 1 ;Cit 4NNNNOb 0;:ON 0 ktb.O,b1bt4W,a,N,tg0y;t''i jf: op 2 0. -t'''--.[:101 N, /..P, R 1. r) 4 li Z i 'i 0 r, 0 4. 0 Z Co 1-3 ?... NOTE All voltages measured with a 1000 ohm per volt meter from chassis to socket contact indicated. All voltages are positive D.C. unless marked otherwise. Volume control on full. Line voltage 120 A.C. PHONO PICK - UP YfL ON svia"o07/ VC C/N 12.413G 35[60 felt 7G 12,27G PWR.-AMP 35L6G Z7.4C Pow" /11 0 .4C S .1/4 C C 0 &ma - /444.- .4, 12 Q7G DET7AMP. RECTIFIER CONVERTER 50Z7G 12A8G 1,44C goome r. 4447,1C Elk ra4c- 4740 4 -7 A,40440/C 6,445 00 /442 1 0 4, 0 111 04C, 0 /0.4 C 0 .44 /Z7 454C 0 0 0 00 1.4:4C 12K 7G 1. F. 100-79 BALL AST TUBE 840V11 Ori ,...,,C,N,C N NN let'IMI, VV% 11 0 Pr) %%%%%%%% IN NftN% % . .. It 0,illarA4 Ziii ilvvz4tt Asi;s! o "twt40:4! b0b,°q t:tzkt t c,1 % "ii n-4, cn ,11 ,off, 6 2 tri PO ttn :1 ik*F 4N11 i.',' ONO444N.- 4 Zt,'..-:, CM) Zrnttr. ;,.iiil; tittl:t Z ,iil tt Cl n2..°,,z.i.'i.,l.a.^.i-t 'ia-ttl, 'W '', 4 r',:,' L: < 1,i, 1.'i P. t, tilt-t nCo ttlt , t a :--, b FRONT OF CHASS I S ; , , k*F DID WAY(MAGNET Cf IN S 6K76 R.f: et 6486 CONVERTER Cli ft ten Aoi 7 6Kir70 'II If7 itgoo=Loret CS lr RN to 6DQe7r6 6P66 PWR-AMP SPEAKER C/ HA iR WROWWWWWAWftWW S 4,40/04464N OMITAIAL POS) SPEAKER 47120 ace imaws(lmr) T ANTFIAVA SWITCH SHOWN AV MOYAIA*NeT POST/AN R.F. 6K7G CONVERTER 6A6G O .1.1A e*No sowrrfre SHOWN IN AUTOMATIC POSITION PWR.-AMP. 6F6G O Ull FRONT OF CHASSIS 6Q7G SET. C DENOTES CHASSIS 'MOUND'. Me ".::4s' 47.4, /NM1ref I "sr cCCCOeCCCCCCCCccCCCM7/om.4/i/mA,r1SIM/Ilt77I/,1ISSitI4It.t,tit1ti118nttAI.O5W5-t-f5--.,S..e,10./v.tttr1,.fIe71it,ei77iTt47tsffti0',"3f.lfrtC.,,10.O4,I02eo.W.0.S04050.Tffe0ea44.o0,o4DT"eAOA1.f,fA4Ar..4oe4,ATfe,A.IfnWR.e9o4Wm.n.rw,s.,.f.4w.,aSOWR0..a1DraDr.Rrfw4rOreo.ea1,Acr0c.+0r.ORd.le4iid.tP:1ere.iheWCo.rocV.omw,..T4v4.r-00efeCRo10ic0.N1ox6r0Wr,e,/t0n.C7c,04Cbt!44Oo14/om40*00000s0owf1400040le0o0oe1y1e14e11111rt5/RoAAARRCR4oR1NR4trrC1oN4A3/o1,III.OifftI1rf,1144&1e444401.19P333311l511U.4-13o.--.-111-Eef51.11/1o11no100514l475A345fw31.37137/914717S/0,/444o0/1//OvM//15S07A,71r05i14.kNot0W00I30./o4wuCsw.4W4f01,OmfweorOoO.c/ofO-ffAaeOAOv&AsCowfAMTaAvcnoNcNWoo.IWoheWoMt4WA*wIImwww4CwAAI/Y4*4*rOW0M1rOa1ILNw00O1 Coafll MP W.._S 0CRART/ON A w AN AR1N7 AK / # o# i1s0m1-Iattgl aKisWortAs wofefooftwoo es-sor 11111144All es-ss# NntitoMatoIeViaAstfR4 M 19111 010010190 Ottm 4w TM 9it1Ww Agin/Vi W. W 54w aflOfWe I or W W W Mt I 1 3 4 S f 3 9 into oNerttelattatt ASIStadiar WIPTIMIA COS AI44W1W1 0111944001 Cot 34419 Me. ~new 444 4o4u1t0s4e0m4/1.C *9700400401W&WWISOWAatritt9e4C9t9ik94~AMMRA" 30170194-11110W01 W1WNt0tWAeMRWAMWIANI WCSOIRLtwAwWwCI,WILO W Jit of Am 0//0 le 1A1ll4P41/4*1M1PAOCIA~,MMIOKANSSYV AtltAe NIPSAINMPOCR news NA/ //SK NOTE All voltages measured with a 1000 ohm per volt =Mac from chassis to socket contact indi- cated. If: FREQUENCY 455 KC 6 TUBE SUPERHETERODYNE CHASSIS N' 5678 38AND ZENITH RA0/0 CORPORAT/ON Models 6S439 -6S469 Chassis No. 5678 640.86 CONVERTER 74A. 74A, 65'7G //f" 6T76 T -AMP CI* -IF 6666 PWAAmP SPEAKER ssas 1 CI - -1. L1ir0a1L1i0gi1a1 Ct 3 6MO4D3E6L 61483 SPEAKER 49-350 8" 49-34S /0" BAND swirch, SHOWN IN:00Z /CC" POPT/ON 4- OF/VOTES CMASS/S .462LE - IA LOW MSS I6 TRZACE IC VOICE 00 NORMAL It ALTO OF &ASS Ca SWITCH SHOWN POSMON FOR eb.r re -R r OP(RATIO1V +ca RAC OVVY. - COM 1.1 A'S CM' R/5 T cm W4/A6N, col r- _ I AN /0 CA, C- AI= /IV Par -rEat' 6ZY5S _L Cl BATTERY SW ow VC A PLUS RECIRT - CC AC )swircH ON lea ->.., Oak tCt4 _-J 4656 60041 I/L ty1668 _...2"\6576 6776 M40 ^ow,. ...? my OESCR/PT/ON a"4A 'w" AM' OESCR/PT/ON , o.w...e ALA, DESCRNDT/ON A" ~M' M. 1411 De scRhonav C/ ii -III Ct CS It -ill CI 10Ill CS n- Ill CS C7 51.964 TWO DAN/ 141.4444/5 .01 minx Ettl-t-!O51t 05AW0 SOMAPTO .044400 ti -310 .15470 1U/5! .010/40,0 ZOO/ 124 n -Sic CIS 15-3110 M.0CItAAT470,0 5001 cad 58-111 Chau 051 414004A 0014 4000 CST CPS It -3/2 CAWArN.14rweCONO. .000PIPA 100V C it .0/1.41/n1 NNW IOU A W 01-005 1000 044 6000 A AI S-1414700 comp AA//07 e43t -.41/ itgrimoA4TZaCwcloompAm POSY R/0 034I1lto7c5l 600 ONA4 WWI RIO 01-141 WO OOLAT Art/ 11-377 /00 0174 470 OW X w ,hi W SAW A Pre ll-Iff CI 7.41411 1000 rulft CO CIO U -/ti .010114950 Or 74.00. 1000 4000 44 1 414,107 47049 0/444 12: er'ir' C/3 CM C/1 CM 4 C/7 ttWt C/0 44 1/1 CIO Cl/ 22-$741::.4044.;0a"" -r"e"C 10.49/c2D(C7AIMPTIC 15.77/ W0I072 ATM 11441 .904 A440 11117 .05 40.00 .05015/4490 1titt17I.S4174I0I .000/14450 .0005.4042 0064970 tripe ZSOW "RAI R5 5100 R4. 0000 R7 1IN00K4 R I I IP &V if 4/0 6000 R/1 4000 R Ai :131;::;...":44, 01-011 5649 ONIA IS -050 170 0449 41-5911 / 4 mew am... 51. 7/1 11.44 ONAA 66136./4610104/07009.441O0N/4094 412-634 Ito 49.47 1097/ /40100NAT CS- ale 16049 0447 a Clt 1:-.1141 50.10458 tt-/ft Cu .5 MAO 494A _:00 IT A/3 A/4 03-077 41-71I 170 0MA YINICWOUND WA 04.44 4 A+, 44W/1! A4WW 4W 4W IV 449 4w XW )A4WW , 375// AN 7TNNA ccie ASUAMMT- 5 10007 OWN, AMR CPC 4155740c7- S $7507 OSC COMYST. CM ArtfArtur 4 37011 AIWZIAM7X TAWS 04V/r411,14. 5- ISNO I14440 Szlecrow tWITIVI if 91.441 /ff kr rIPANSAVRAIZR 0 7 S1h1a-4a59 le AA TRAN.1"0/11"Co reov( COANTM 0W/7CA1 IP 10-// V/0.1ArOlf 0 AT -041 POWS" TRAN1110"411R 1/ Sr.?? Amer. SUPPLY SWI7CW t5-17/ errcawirowee Sw/rov 11 55043 avare ASSemact, AO /S A 4 ,C 0 0I A4 Al 51771 /0031 CAMPS ASstwwv Atorz/44711A, ./7A /O/r TRANS PRA /57 / A. - SIC EILV e/AF- - PA/ Ste abrdisr ate Ore New) ANT irefAerraNsNe) SOCAIS7/4400CAPACtor7ZJ ,iPt-700 LA ANTENNA Aft LIMO OtC. (Si( 0070 - 44 TL ow nno / FREQUENCY 455 /f C. 6 TUBE SUPERHETERODYNE CHASSIS N'5679 61e -DC //0V AG. 3 BAND ZENITH RAD/0 CORPORAT/ON Models 6J436 -6J463 Chassis No. 5679 40 MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS ALIGNMENT PROCEDURE Operation 1 2 Connect Test Oscillator to 6D8 R. F. Grid Rec. Ant. Post Dummy Antenna 0.5 Mfd. 200 Mfd. Input Signal Frequency Band Set Dial At Adjust Trimmers Purpose 455 Kc. I. F. 1500 Kc. Broadcast I. F. 600 Kc. A, B, C, D Alignment Set Oscillator 1500 Kc. F to Scale 3 Rec. Ant. Post 200 Mfd. 1500 Kc. Broadcast 1500 Kc. G Alignment of Antenna 4 Rec. Ant. Post 200 Mfd. 600 Kc. Broadcast 600 Kc. J Rock Gang and Ad just for Max. Output 5 Rec. Ant. Post 200 Mfd. Broadcast Repeat F, G 2 and 3 6 Rec. Ant. Post 400 Ohms 18000 Kc. S. W. 18000 Kc. M Rock gang & adj. for max. output 7 Rec. Ant. Post 400 Ohms 16000 Kc. S. W. 16000 Kc. L Rock Gang and Ad just for Max. Output - - 8 Rec. Ant. Post 400 Ohms 6000 Kc. Police 6000 Kc. N Rock Gang and Ad just for Max. Output Models 61436-61463 CHASSIS No. 5679 I F. DE T.- MAP. 6T 7G 6G6G All voltages measured with a 1000 ohm per volt meter from chassis to socket contact indicated. All voltages are positive D.C. unless marked otherwise. Battery conserver switch in NORMAL position. FRONT Of CHASSIS Volume control full on. Socket Voltages Line voltage 112 v. A.C. 6V.-110 V SWITCH _Lt t.OPMAL 4 LOW OPAIN SWITCH LEGEND F-Filament H-Heater D-Diode G1-Control Grid G2-Screen Grid OSC. COIL AUTOMATIC TUNING UNIT G3-Suppressor Grid P-Plate 1K-Cathode 77 - PILOT LAMPS Location of Tubes and Trimmers COMPILED BY M. N. REITMAN, SUPREME PUBLICATIONS dull 187 AINIIIIIMINI111111111.111/ Models 75432 -7S433 -7S434 -7S449 -7S450 -7S458 -7S459 -75460-75461-7S462 Chassis No. 5724 R. F. CONVERTER PWR:-AMP. 6F6G ZENITH RAD/0 CORPORATION , 4I 1 0I.I Awe .... ....,.. OceSCRIPT/ON .4* ... ... 4,, NI OESCP/P7/ON C , 12-I411i2 622N NNANC oN 12-/N 0/2220 C2 22 -all 008/4220 il Ca CC1l II7t5j 0005 4010 07-lir 054010 2: ?S 30 414210 CC7l 22'/11 000154220 11-534 02 4120o C9 2? -74103 4220 aro0c01r, 6000 2052 6002 6600002 Ooov C/0 l ll-IIII! 00541747 C /, 20-1071 / AND 4N10O07r' C,! t2-7/51 /00420g,Ic7a0g7"5c,7ser RI 42 RS 45 4476 PO 113-4,7, ,Mefanwe 43-519 4900 Oww4 63-607 63-541 63-51: 63-393 63-696 ,5R9 cwA., /004'0,,A, !/!04010050461 7740 0440 63-55.7 4742 04.45 CI''C9:}4122.5-444' / ; Af.."42;CC 090.420 I'arIrrIrl _,..9W C 4 C,', C,S moll 00C,1O7N74N7S.7ATI06 CND At -95 , 05c A400(4 :74; 4002 6001/' CI, itt-INIOSon,AreoR AfA001,7 A;4af0n/:22156441.63315,-09527551:174,4/;40(7M4754~"M"(H64005a0c4"4Z(4wI ocw0 2 A. 45,056110 .14ww,112W02.0 or /5 634051.2,2M 0.707 Nor A. w re w w .14 w 4 W , rw u/5 A4Wwr At.' 4,4/www noRr An . °CS CR P 770N 0 /0163 /01711 UAW COA/7110s a r,163-51, /5 m(60-4, A ,A i 6 4,, 163- 1- A/0, A04cO.No.7. 7 410 il-17-0/.091" :zoo 64,4f 4 1 ','.' 411AwA i NIr 455(1001.7- 15 9527P2rI.W-5,2I 2 COO 455(.10, I' 3 136997 oson /4704 CO/[ .4535,71317- 4 '56 9921050 CovAtrIr con Assrw 5 1.1704I1U70.1.507,C 71.6,w6 A505/.7 6 115-205 SANO 52400767 377/7C1/ 7 13,500 w222 1-241 COIL 451'144.50A 0 155,7/ re1remAN/27 Sw/oc,/ r/4P/ 111855555-./514570,6017O,1ew2try//20/32T/7,0R2WnA7Ps9NAw9ISS,/0s0w,943u., /5 1f555-9a1s4A7t0sNow' e 74.4.05 fon, 1/5 V BOTTOM VIEW OF CHASSIS ..-"FRONT OF CHASSIS SN/[, 0ED WAVENIAGNE I 6K 76 RP CI 6A80 CONVERTER CI Jon 6K 7G p 6.15G DE r 6P5G AMP -6 12 RECTIFIER 6F5G AMP. ANTENNA sw/rcri SHOWN IN WAYEMAGNEr POSIT/ON IF 4.53- KC. 45,1 4 35It 61.4A0 SwITCH SHOWN /N AvromAT/C POS/TiON C10 C RAD/ORGAN (NORAAA, POS) SPCAHER FIELD 450 05005/7/05) TE4CV/S/ON CONN MODEL SPEAKER 73432 73433 49-376 649-376 6" 4) 4/I 75434 49-376 6" 75449 49-376 6" SWITCH ON 40 75450 49-377 8" A 75458 75459 49-368 /0" 49-377 8" 1 I 75460 49-367 /0' 7546/ 49.249 /2" OCNOTES CHASSIS 'GROciNC.. 75462 49-367 /0- 8 Vs% A 6O 7-Smitt0n, movc44/16/ver #61 / L 6K 76 R.F C, Ct 6A 86 CONVERTER d0ovc0o.1po0dVo..o0. 0gor o's& Cr RI ,AA/Ne 6Ktr76 41 6D./5e6r 6F56 6F66 AMP PWR.-AMP SPEAKER CI c0 co A 4. 4 . co. CIt 0 S SNITCH /AV P4140 /IOC 4 ANTI -NMI sorrn:// SHOWN ssrk CI /N IMIKAIACOACT ftos/rlav MODEL 75497 75498 7S490 SPEAKER 49-349 A949-149 It 49-377 0" &IND swarm vow/ IN AUTOMATIC P057770N IF FREQUENCY 455 KC R fri Swircm AN RAO/0 POS. &ACV P4AIL of OR CN , ,ORO R., 055CR/P 770N 7 mos DeSCRiPT/ON ORR. , 04iR4 CC-SCRIPT/ON fear! C i Cf tt-114117441444 1.101610, V Of -/Of ORO/ 4413 CS CO SO -7/46 IISS. WA All CS SSW, /KAMM CC tt-/It C7 c I fOt f-/-t!4O/ .S0/ 0O*o1MfPfA.OcNoApo it -Ill C t DJ MAD llla Cm Cl/ If ttttt Ca ffro--Irtt7it .014/40 dreg /44°. ./ o,oro Ca 434612 ELECTRIC,' I Cc,ai1li1$0214-,93141110 4/t Cif ft -154 SA440 00144/A 005 AIRO SSSSS 4450 C/1 53-124 0034/513 reSiffIromf DRAW 0045 Mici3 r Cl, 00.Clf .00SAIVD Coe tr-IolcomACNSAnwer C0', teorale Vt' Cl I C14 cos 1/S14W51* t0./00 °VAL 05C MOOED Ofc44 TOR INOIstA, .0, mow 00IC 001 6401 1004 0o1r0 004 !tfoeomoest 4 f 1504 00i1t coo./ 00V 4/ 44R43S RR44 RR7I R9 RRNi0 R if IS 47/ 43444 45407 4Is.1,/-5o1rf 411411 4S-543 4431-161734 436157, 1.3-594 41-517 451411 /4440114/ 4100 ON/. /144 0.16i Rom OHM 334/ 04.44 If AICIS 0.4 /Ow ocior t7/4 *cm 4749 046o 4fs7o0 wcoo O°cHmM 479 Al 00441 170N/o RYRCir04460 600 ri i 4 /0 Ocov\If /4 43-,45 43-1044 tIoww IV/IPIIVOIAVO 4 0 MVO WMCWOONO R /6 444,0512/4 ONN1 40.1 110! o 04 14,4441/ 4$6o1ft4 jiw 11W cow AV AIAs,, 442 /ai7t difroff 65404 411.7/7 Nicizooc COrirRoc / 641-410644 STD m Owm RV 1I116.170S/I0 /407440O,4H0M4 i .. r. ,me AA/slsl 4a5l5s7a7r /70 0114. Sloe DIM woorocisoof r r oivr AS:comity 5 3 2416513,76 A°sNefrciWtoor4°C, actoAo$t1A3,r4s4t1m44str osc coRit4 CO4 1 17044 15105 ,4440r/04/4047S1EC ,7L1C44174644.43~3M1.4N4. 17500 St -,7/ WAYS rRo, con. mareocooroer SP, Assefatr VCII S 415-i7/ ff3e4,1474 SWITCH /I/,3 of -Soo IL, /ft- TRANS J10.45 e151 If MINS /2 eivirRot SW 411544/CH IISI /1 IS ilSRPOorER 7:444S ion, //5 - /0c /00 3/ Io /"KOITrLLA/0II0I4T7"6O!1N1 .74/5VA ZENITH RAD/0 CORPORATION [-- /V RAO/ORGAN CA OORNIAL POS) All PHONO NICK -UP /7 /I PIRONO MOTOR CN /1 CAP CD RM SITA NCR /7(0 4/ff ip mws1w) c/T CN 0 co 1-1 0 Po DENOTES CNA5575)5ROUN0° NOTE' Af Not /S1(/ NOT VITO CW MODEL 75150 6F6G c/C to -.0 / O roo PZ/ FOS -A RECTIFIER 0 Vg 6 X 5G 90 /45 e _ A / 6K 7G I. F. Y. BOTTOM VIEW OF CHASSIS Models 7S487 -7S488 -7S490 Chassis No. 5725 FRONT OF CHASSIS 16J 5G 6F5G co 0 nowtmA6Nzr \smezatO GO 00 -ANTI -ANA SWITCH SHOWN oi WSW -MAORI T POSIT/OR /232 R. F Iva 0. wt 6A66 CONVERTER LA 6K 70 lE 6J50 DETECTOR 6P55 AMP 6F6G PWR. AMP SPEAKER 4QP CI -1- g01054444/1ImroOor e/ AM - t CA 6M5 AVIIKATOR MOTT "Am 25.1,5190 r 11AVA4 CT! CAllte re M./ VI Ai RAPS Pot oo Moos IDC31 it;lif,A ii 1 Co? (4 2/5 TCL Craws AI cowAICCTION cmP Rod C4 i00 13 9/0 //OPT - cOw [bus a6 TRalet /A,C biwc a O NORMAL. C Asro 12. F 6ASS CR I 2, II Rr -4 SPEAATR Fltt0 .ino 005003 floor) Z Cn 8AAC So,/ TCH SHOWN oi AN /Cr " Posiriew .1. - &worts creAssisaRouNO` ,...,T! cescmprviv '''' ...., , C1 Hr Cl I . m1 fo.1n8/7.7.75s40o0s0aps *vsact CS 11818 fOR0-0 elf CS fr NO 10001 Afro Ca / sfeCr CS fe. 47; CS ArAfrO fro.r, foss' 900' door' C? 51.41, 9001 Awn CO te-ar o5 moo 1s1o14a0vr. po I.' CP fl D1 45 wro if CA? 55-454 1AA10 600,, 100" C,, 11164.005 ARA-0 deo v CM` 11,41 01.420 C'S 11,41f sof MID Cf. *NISI *sr ARTO 150r1 :100, tr cal 0 I Crli 005 *WO .1002 Cdf 2847o1 soaS AND r lie Ar 07843N C07 5.1. ma oefISAWO /5,', C40214!11 5010070 5.0fo0Vr. C'S 11.818 CO/WieNSA eaVe MAIO Ap4Vir Ce/ fl -180118445 0Sc .4000,2 ow "* " ocscAlpr,o/v ctn., ..,lisTOZAcc,Poirnc C(CifI5r8..5-..7.1,04114A11s4T48o8 08.3001 MO 4W0 CCPfI a5t5-S-O4S. .0/0P5 OAfWro ars, /In De SCR/P T/ON , 450v Rmi 141 ISO as 41/ fit re Rif 43-45r. St w opw , w Sfor 14'00-75 /0 m opw If w saw 0/7 6.157 62004 ism. Amor 4,9 11000' Pt It aels1-9/f/,./1JS0lcOrwAIRsF CA600.4. /w 410 0J -Su SI Oovm Ao or R/ 93-200 /000 45 03 ,07 /100 ONAf Rs 93. 1211 OS PS 931 4/I1O0oMcwowpr. 470 opw 2 0 43. if R ? 6.1 //96000 0001040 R 143.27 / **(000A4 /w / Af r 1 AO /..' 3 4, Rp S 6 4 IR 7 R 1 63-779 MP, A/0 .2,, 4 /f R /3 6S -?I/ 4.5 I* 47-30 63-475 11IYs11eo0,0mA4AOO,0MHN6M1A(A.4#CONT.54R1444O., La/9/o, 57504 ,AAvi*rC7414,49CCaTz4A5s5s1f0m9a4e,-r SM./ '0544, [Ara, COKA1 IA111Ly 57307 4,SC COUP/KR CP,/ A15514 -8I'571. 090i4V/1,4O40MASiTg%CCTV7A0.47 Ws6wW/TIcTr 5 757 AWE TRAP L.0//A .53.CANkr 05-/ morMIAtsA67" 5.TCH r1LI*15/01v S0,TCN 0155-6s6t35l2i I/5L,//AT- TRANS TRANS 5 soOTArr Coprpoc sw ASsCh ...".1 A''.' ocscivoncw ,I 95181 ARK" /1..2 60A.,/5. w -SO P04051/6417 aSe 154 /5 57580 R r CS se ISIO02w,40vPsLe004o8r0S1laCwOcIsLwAoLfCi1M1 I le/A-TRARIA& a /o. i4 - arc C 12/P - RIII c0 - .5 CC 1ArC TRAP I' &sox flumwl 6 osaasc.or K r mar 0Sclirlasn3 4 to v SSW OCT .5 a 21- K,crr 6&0tw0oMosrciwoat ..1 ff-410110A0CAlr 1441108* AVITe. TRIPOWCAS CR kW Models 88443-88451-88463 Chassis No. 5808 e ram IF FREQUENCY 455 MC SUPERHETERODYNE CHAssiS N95800 3840 ZENITH RA0/0 CORPORATION \SWELOED WAYEA4ASNIT i /232 6A86 R.F ,A s CONVERTER 6IKF76 6070 6alo DET-AMP. INVERTER 6V66 P -P PWR AMP SPEAKER CR 4 *PR RIR., 1.1111.1400151C Cs -ANTENNA SWITCH SHOWN IV WAVE/AWE T POSITION 44.r4a 441 SIVIRes 1144 oat. CIS A CN IR msrrrmsotsesacwiaa.v.t ( 191 TOR re""14" COARCCIYON CM Ill SIE /SR RM NOTE - /SA LOWSASI is I MAIMS ICC ISO ~ARAL 46 ALTO IS/ &ASS SAND SWITCH SHOWN OS ),OLICE. Postrxw AC SIWYM ON SC7 ca DENOTES ONASSIS bROUVe 4 O O..a, t AGR1 ,... OrSCR/P need C, Cl CS CO 15-447 rwo owe iplAbl 1f1t--1I1tW45 fit-Ief 7444071 RIA05411 .1 ARRA CS iti-/It tw CO 11447 44-47 .040544471 114747R0 C7 CI jar At/ Cl 1Itt --/ISNt St./7/ .0001544411 .414441ACI 049450 CA SRNS ORT*4.0 CR Ca 11-010 14-448 .4 SMR.0 4404/44. Ca ti -347 1440 CAI lt-944 00055 ARM C/1 15.475 004/44411 *10415 CM 11-44I 004A4RD r C/V t5-411 411 ARM C N I crnI 142704/AoI O/4411 CI. "ll7le-S1- Z0O.1ftiJ.oa0A0ulILR3r4I4aT02t1Ii7a320tR0LOR1T7A,CC fee II 4404 NIP 440444W 4044 4001 0004 *NW 4411 4444 /IOW ROOK 14144045 401, 410W .10114 0444 *WV ars ,.. A.I. OCSCR fir/ ON Cif lt-J41 .048.013. CH CCiitfi 18.1.10 OWL Ole 410011 14-44114.44r414raw coma .414/4750 IAf t/ 41 -all 41474 MW OW SY 01/44 AS 0,477 NM ow R545 A ill R 7 14 R 9 Ria 41-SI1 4N1--40131 44475 4-17, 1(13-.074S, 4700 CAN /4044 Owho 4/0740A0V.I7A r411114/44 / ofm onAl stAr cuem Ig 1 1 41-774 nom avm RIZ ,5T4il 4.I.SIS MOO *404 4)4414 R 41-4171104/ owl MIS SS -HS NIS Saw AI OR .4( W i MI 4 N *RI AAINM **ANwmI MAnIt. , W /4/T Stw /oWre Roar MI a..ue. SCR/Art.0N 40,4 RI? SIMKO 41-074 UN CAM 5744 ORM 5/11 RR/Ns AANil S1.14S 40-.043 411,444 WSW AO- If 5,155716. CINCOPM4 5400011144410.1440 4041.444 rewrote& SIM 0.04 KM ORM SI-SW SS CAM It .8 / 4S g/Wo, I ImeMARKTASsf S 57504 AII7TK44COR 9111.44457 1 4 4 StS4.1 47541 0:0441r1 Mil 444eII5R. OSC MAW* Coa AMR. 4 7 .77447 WSW 4117104574 rt...., LIMO Macro* SleTYCV S7SSIP WWI IMP C4a 455140447 9 .1 -17I /0 1/ 44-17/ te-ell IrifeetersrAtIr4.a4,47.1n4-.C0RS9.m74.7rs/c1"0o4.o7etewe 6X5G 6X5G 1.3 6K 7G 6V6G 6J 5G INVERTER lerfirouvicr 455 KC /0 TIME SUPERHETERODYNE CHAS= Na /005 AC 3 BAND ZENITH RADIO CORPORATION 6ABG CONVERTER FROOFNCHTASSSISocket Voltages SN/EL 0(0 WAV(MA6N(T /232 R. F" ,,. 5 64.50 CONVERTER IF CS 6/f 7G 6,156 DET 6P56 6./56 6V66 AMP AVVERTER P -P. PWRAMP SIYAKER CO A IN ,NYVW4-- II7f 0 L ANTENNA SW/7Y/1 SHOWN N MOV(AIMIN( POSr7YOW r 14Ale 044 fw/rcoo Av RAAAP CN IA kY r/ /0 ) A/owr nlt'awf Ire 0.4141 6C/5 AWYCATOR nut (12) risycw [71 CCWWer now Xil I /S1Ve - I. /IC 7 IPA ww IPS loOrt- /PA 407w94S1 Ile POSILi /I C WIC( /l0 NOW.WAL I' .4170 /./ IA SS (ifp AC l7W7TI, OW WC7 COO 101 MO 0 ICH WAKeR FeLD 1-1 470 OMAT (OfIr) IC R6,e0c0r ZIANO Syr/ rcH SHOWN in, L 'et /CC' POS/rION coverts CHASSIS UIROLINCI.. re 7.4". 41.10eherropi. , ",6, .a.". MSC'S/Pr/0N ..A" mImIIrr. Dr SCIIIPTION bole An w..ir. r Of SCRIIrtew C. C! 91.10 lt-910 row moot S mr0 0444140 ttN Cl Co 55 -NO .".M.oOnW". CP 51447 .0001 WWII Ce CClI 14.-.r teOff 90401 INAIAIALI I0444/404Y CO CAI Cl/ AfttVe-f-.Itnnt .IIAIR0 &ISAMU WI /WA CO 11.14, &MANE C.11 NE -157 104000 CM IV PPS we/SAVO CA, AP.470 worowf000V CPI SIMI Oslowen ~or 44 ekwel (SW 004. S 09r , eft Saw., CSC 1e40 0.10 IC I100(A destr CIS Ste eftri-rleest esseRmara rote .ee0i reels MVO A / 7 A/I . ,1 apwI dIA11711 SeasI 17A4 07MAI 0IfTwer CaerNwm /sew PWROVINAVO Veer el rose Alt NW CO71104 / At 4 we 910Y a Pe t, A/ 4.10, WW1 Orde ll', I 4007 NOV 001., eWwVe +MoNoaowrr .4, I 443 R1 R 9 oRRW I7 O417131PP04.7I0-NM714/L4N7I10M*04Ama0er~ro 01431 o1-471 0/w7oAoI oerww el 171 0-009 NNAA. AAVMM` 1.1,0 ISM CVA4 4 17 NM' IRfptf RIP 40 -SO 0e.e//lVle fa. POW / f,..9 arkI SI 0,04 Ofwo /W 4 re , W X w 44wW ,A7Onrwt A W X At trio, t, rellororderer oflerwsay S700 FIA FLAMM COI It CIAO /e J IMIVAYIN Oft IISCMIllW 47401 HS COMA FR CAFt AM,. 9 4 SNIe At r Crowe Awrowrw 71/04~ II Need Ill0 , 4 77404404(It II SAW Pew rWW00/ Syr Armor a14 14 *P4/11APIOCR MANI OA. Mile A0-411 TIM. AICY IAPA//1ta1Wil.7. CelAle. AArleefal A / I' / r MAN: SW o C o /geIfvle/,/Arr AFC AN WC /s 9 MIK 1741. ewerliwwawresasmIImc o(eucsrrAew) AI w IS. Me farereer, neeawr ssilwsewewrewws) re OW, ,cr 404 osclanrw,r) CIF /f -/K OPP4w0 000 i, 4,, 41474 Now 0.4. tr.', 1:1 it- IN CFA It-lif C 11 OMIT "CAPAIr7;77C,, 'AMI .,.. 7.3 11195:9 Sr Lms ...0" 8 ow ./ MAID 091rorrea 9994 ow*? 44 43-417 411-610 !NW Woor 07AI wow Al or 7 IS MA LIAAC1 Srtrc nor :mgr.. 9 nt, roe &woo ANTI041 X A, of 1711? FAXIC TYIAA CAA ACC:MALY' J 12.4.1 AIPOAAACC7 AMONIA Ar", .10 w r ,0 4,-.,,,, If -,7/ soWCW4507 SA A ICA 7n:carom lercro A Mt ,, SS- III IL', 11. "'RANI/WAWA, MDT 9: f1 1277 COI /M/SODAEML. SPEAKER 49-3S2 Modol 11S474 Chassis No. 1103 1,-,-Reourivcr 455 KC. // 77/6E SUPERHETERODYNE CHASSIS Mr/l03A.0 311AND ZEN/TH RAD/0 CORPORAT/ON MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS tittartil i XII 11 el k 4 1 ii i1ii!i4i.i!, 4li4a11 Ilia% % 111411111111 ii -1..21 it I ! I 111911111111iivIl:ii 1 aPli i 1 li-1"it V h il 41111; FI1 0: li5liniiiing41 it 0 - ttletttettZ4 i _____wi 410/1/1/44yek lowlvvitt Nawirge-Vom 1,40IMMA4 g% 1I 1 111111111111Will rs 4 111 IPIta/111144141: Iti! Minilltilggit O It Mi - ezttestcte4 11111110111"41111iiiii t ; 1 111 i 414 i ip ILill$1111011411:1 )1 TITTIL.014 IN It i.,.........aAntzinee. P, $:* 4 0 0 att4,-*- 0 -1*-7,101-1 193 (6 o COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 4fLi 14 .91! %tt 11%!°:1!11 It noug,0.1,,vikoN it sbtLaa.aaa Yap le a k1,m411I 401Will!liz HIM 194 ;cb o AL- COMPELED BY M. N. BETEMA.N. SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS S077Cre ar OVIOsse Poi Sow now IN w c 41.11. AWE ~Mr corowwwWwwwl ammo Ivararsoi 6Q719 ...' aA"A. AV . akt5C780570p/. CI .C..rl Cfttt4VMO17,I AMMOOKKAdfaa owww77 WC Olga OMR . 4Pt 431-731, 4704* OM* OS -aft COSI twat NM OM .1 FS -471 / AlfaCtabor Mgt L 1 1,111774* AVM, 1OVIIMINIVAIWAnia, 34 S00a0g/o0 "A44C11 ~WONWW.41M211,1110, 5 1513-.6 711176737, .4H7RWW7IC AMMO, IV.ArCR 4 cavestem-oWs WI 7 SIOLOVIOCCa=csoloworrAWICas OSMAN NOV WV CAR WAWA, V VI1IO0031mallefoogf11faar AN/ CND rem MOM 7.1410 IWO 0/000114,0 ^44/ "CM7 CAPCIAT 441X Aiwa. SPEAKER A9S49/ 41-.356 /0549E 4,114M it" C/MSSIS No1007 s~eWwOresP, IS 1 t 1,17 coOftw.'oIAtp* s erlr.oao.fastCoarPt." sowyrcor OW PC 451061.-. Ig./CR Kafir coopAermatr fAao. . r 3es /4Po ;.--(-0 0)-4 6,50 a" ^"" AA ...A ocscRierlav C, rt.,'" Ofur..,fls Cl ft -MY .0AOSAAO. CO at -N7 00,10071 WIN ION Her AN -APIt OS -Wt 41-07, A7U4V4A4I 0101~14 ,AILIPPIIMI i:...."'. 0 JAW ^WA" OW Mtfatitraltr .1 0 a Oftf Aiwa V AMIOCAllatsaur 0451--4140 Ac SIOVITN OifNj CAMt0VA1tIfAoAkreatioittstre 7 SAM/ ACCAPrAccAlassaratf- $0 C"lbroena.t CSaArI-wIt /aCmwetnm, a, II AtI 1 NOW ACJICAItr. PA WO CAKTOT DATA AVOLVL IPS 494 SPEAKER 49-355 /5" CHASSIS A/44900 ~_tooPr oaSt r spore.. sr Pc ItarArate r AvalatI040.411/0,10011.040. r -r t C. J 6J56 6C59 are wer AN AA Ce0. flfOt 44-0/0 ..o0a0tO,0A0wn:* MAW MVP .iOfifr 03-5107 wv-oes 4ro7w1* 1....=...0. I 3 me Alm ri .67 t} "MY Mr *moor mitsfwear .7 S 1Wwwo Or-wW N* -SO /kW, mow 3 ooszour~aWt aOsoOrrcAPofoeoArsreoafArIc O 7 50107 C=MIN-1041 PAW ACCIDrne WNW Arataf CHICW ',Nal ALIAS MOM 0,-1100, C4/ 14111147 1 SOHO 160 R ROW .4.00CMOW Promo evictor DATA AMiO.D4E9L5 4SP9E4A7KsERaOVASSIS MPI504 perg10 /00. NNW 1 B nawar Pare .040,0.40 0t.M/I COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS S MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS DN is PART NI DESCRIPTION N D AG PART N2 DESCRIPTION N [HAG PNARiT DESCRIPTION C / C2 C3 C4 CS C6 C7 .w 22-6115 22-523 22/43 22.616 22443 22-444 .22.404 row cow 14611/4841, ..0050.0A/.A42...0 .0/ M.O. ,0/ MVO. 004 14..0. 6 MIA NOCTROLVAC 2GOlt 000V SOOS 4001( SOOV: ISO V R4 RS Re R7 RO RS RIO 63-543 834071 41-5127 63-374 63.27/ 03.600 4.1-2.38 47.410 ONAS SWUM COW7ROL 4700 0.41A. AS AIOSONAS /M8084,7? 6.2 #41000.601 A700 0.40,4 4 ki *W Als he A W 14W 4 AI C0 p RI 43-454 /60M0,4114 R2 61-514 66/4 0A/14 R3 43.449 IS r9140NA4 :awe 4 W *AV / 2 4 ANTENNA C013 3.78IS 03C/31.17011COK ...ISSAS 14 W. 3 115.311 /V IR 70.1.4.14.1.10A4 os-sso star if 77PARRIA5SEM = /Cr /A' 7R.N.S. PR/. /V /T TRANS. S.C. SIP AA .704N3. RR/. ZIP d.. TRANS, 3L.C. ercissr OICLOA .4417 SADOSSITOIR IF FREQUENCY 455 KC. 4 TUBE SUPERHETERODYN E CHASSISJW Ng 4A02 & 4A04- SINGLE BAND ZENITH RADIO CORPORATION 13 CD All voltages measured with a 0 1000 ohm per volt meter from Zu CC chassis to socket contacts using Z a fresh Z28 battery pack. a. 13 U , Antenna disconnected - vol- CO ume control full on. < , Z< _I Li -<J 4 CONVERTER I.F. PWR. AMP. I A7G IN5G IC5G 455 00 0/.5 Ott e° 845 . 5 I H 5G DET.-AMP. CC a> N 186 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS Lcri u I.F. FREQUENCY 455 KC. 4 TUBE SUPERHETERODYNE 02 -,. CHASSIS N24A018.4A03-6V.-SINGLE BAN lkk i k kt i7, 6, h0 4y0I 4N[NNyy xAvbkiuki k1y1Z kkylikkkyia*l ,sk friyYvi 2k220, CL tf) 4 ZENITH RADIO CORPORATION ".. (k It(kktkl.) (1 IA4 N4 "Ik(kNkki No,,kt, tkk,;4.,x120"04IkN6t,q,k ,,, aik"krk(kc1 1000kyl, W....0.l%ln%.( a, 0 ,om in -w 0 III Ihk---111 IHI, 44 tks z CONVERTER I A7G -( I. F. IN 5G k ^ 414,1/4120's InivkiWS"") l2 ,01010104:0N [a'00 krn o IkkkkIlk '.44.A40 *Xolf`4AMAI % ZZZIkZkl(kekllali ".%I. (k " (1 "0k "4"tl10104041,11k0I0ZZ6Z kv11141 (ki 0 00,,IN110,000a V.IMIsi0.4'tirk"N I, y'ffyai0l0l0n0i1t4:te0ittN%y104$1Wet:1a:0k. t% ck ;;;;;Vreara= 4% ;k NtrMtNtr0t0k4f4tIttNtktttt4e,ctbkb Nu"tz,.m..a.a:.a.g.t,. ..11 N'41 Wa C5 % 1.11' ,.1. I t4t0 4. K CI ykCig.Ck1 g Q0%4-.44 04-4 k (1 VkItZLIQI(iqq kl k kkl ktklk qva q cki0N0l0o0Zkimkothel ..o. K A k% '"13!4NVAat r> %) i : s.AiNNNNWNNN N -! lc' .:::%:4 :7-4 4a: :: 2 A:1k7.' .4 A 4) -k c,(Jr,uut,t4Qc.t,c3uu 2.9 km+ 07 D ET -AM P. I H 5G IS 07 07 /PWR. AMP. I Q5G -1111. FRONT OF CHASSIS 197 II (.4 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS I A7G CONVERTER IN5G IF IH5G 3Q5G DET.-AMP PWR.AMP C/6 R RT Al2 tt4 RI/ C/3 'VIC IN Taming" Inver 7.".ACIS 4 CI C3 BAND SWITCH SHOWN IN OFF POSITION. CO..r-'-"ARAA'4 1 ME RS C/7 CA BASS i RIO 6 B TREBLE R5 6A iFcm DENOTES CHA33IS-61,00ND' C6 C7 e iirpaG A ~Alft...co/. 11524, WAAATVVVVV9711 R 14 R/7 RED At AWE a* LF FREQUENCY 455 KC 5 TUBE SUPERHETERODYNE 110 V ACrD07BATt PACK UNIVERSAL LINE R/5 R/6 //7V 2 -BAND CHASSIS NO.5A02 3 ZENITH RADIO CORPORATION BLACK 11 - REC T. PWR.AMP. I. F. YELLOW 45- 117Z8G 3Q5GT O IN SG 1.7 L4 41 7/ CON'AVEnRTER "4 "14- P4e7 No. No. DESCRIPTION Pser fl. DESCRIPTION ofdif PART DE 5 CRIPTIOA/ r :NM CI CI C) C4 CS 224141 TWO 140414RIASLE 2Z -I94, .0114PD. El -SIT 22 -Ste ..10M5PlSin. t 11419 50 mniro. CI7 0001S CM 1,,,..mergoOlINPSSCEIELELCCC77RROOLLYTTIC 710$ WE 44int MK UK RI! 469400 R1361-10,1 A.,,c NearcoNM 670 AVM IWRRIVRAVO MW I W RN 63-I110 1-51CTioN CANDONI4 2/5 $10-294 140 AVM WIRCIVOUNO LW RIO 63.605 /000 OHM l3W CO C7 Cl WI C9 jiMNRI Ca .00, PIPS 11-101 .00015 NMI N*NNICI ELECTROLYTIC 1501 u.NwrLIMs1o7r1tEivL.CeCteTRtrOeLeYtTrfICtc /soy RE R443 R5 60-614 /OOH 0014 61.n3 4714 OHM 63-03S 3300 0014 611140 0200 01114 ass, ci i .osmna Ca Ca 72.626 11-49t .0/ MPS. .002 11PCA CI4 El -470 .000I5 MIrCt C/1 n -sir .0011r0. 4111 R6 61-469 29 /1150III1 INS. IC7 63-7/3 4711 WIN INV 6001 RRO9 01.974 111-/R4 IS 11£500/.4 VALVAIC CONTROL toole RIO 00-507 4700 ONP4 CO t1243 .01 1.1149. 401K R I/ 6827/ / 145401114 R17 63-597 47014 ON/1 SW Ism 11W IOW OW I 5-s0e3 stir COIL itssepreLY 1149t Z 3-6510 05C. CON. 451ENOLY 911. 3.11 Iii IV a45ii ISSIL siva, sarxentesinrm 35-7/1 /17/.f rsoNs.-oeNear 95-7/Z rale ./..r TRANSPORIVER 50531 Tow commas Jivrnw /went RUE 7 1S/7/ POWER SWITCH VOLTAGES MEASURED TO co FRONT OF CHASSIS A.G. LINE AT ELECTROLYTIC CONDENSER L.A6 CONVERTER / LM5 /LN4 /1.B4 DEr AMA PWR. AMR SPEAKER IW.At PL. Ca Ca nnn..annelelnftnn,! CHAACecOVIR JW/TCH ljEt iS (p, SHOWN IN PCUMON FOR .."444:4=ttt,1 riatirM tt VtatttttveiWa,lkk,iati A.C.ORERAT/ON t ctt co wri -t - cm 11 ,M4+,0,1Vt P Nv4o A X'CaC(41k3431a 4 (4 h .-1LB4 117Z6G- t:1 t,httx cxro 1X1X111 )10.40a6,3l 4041. laa. Us.. ill 13 4:1 rho %1 rtZ o S Ipx)R4 Kxxx *ti-t-=44tXr1iIaXlp All voltages measured from point indicated to chassis using 2.0000 ohm per volt meter. Antenna disconnected ume control at minimum and condenser plates in full mesh. Line voltage - 117u 00 00 R L Pr i C - NSW" RO C4 CJ -L -Lca c# CM =C.° ii7Z60 /04,042 RV town P43 RECT. 0A10 WOW OP aArTIRV woco A*0 40 Or ,e,,.--.T,tLLOW 6 - SLACK 4- OR17 5W 9-A ILH4-1 ILA6 9-B 9-C 0 9.1:0 ILN5 117Z6G ILB4 0 40 4.1 rr SS ALS MU. 4S /AS ALS ILH4 VOLTAGES MEASURED FROM SOCKET TERMINALS TO A.G. LINE AT CHANGEOVER SWITCH. MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS tki -tocC6 I E FREQUENCY 455 If0 6 TUBE SUPERHETERODYNE CH95N5N96190/ NQ 6A/0 A.C-DC. ZENITH RAD/0 CORPORATION k bQ 1 14"). ',WM" k I _AAA/vv.-4 k CN5 Ltki II. II o (71t1 IIlIioo, 90001 I.L..tWh A.. II L4, oa'...4 il to ,., % (0 .,W,1C/4AI, g.W.tic4..4,.1iMi4*( 0 kAtk.,c4 .,.%,,z4 rr,,.v7.^a,0-i.-.,, a {,t itto .141.,(s- NOU0kit4,(5 k 3333 I 'IAA Vt-t'A C it i 1. K kk .J ,., Z0a0kl 4Mk iO1ilci N'&.,,V,:i 1. hf t,tecgs, 4J(1, "i, II'1, kt ,4.'lW` W4 rIc "I4,***114,14,' 4 %,Ii* ,,,,,.,ct IF. .4t .t.ki.0k4k41k*k...k,et, '-'4 88n8Vo O 1 Ct.. llk '.. ;,j AQ.ht,hM1e liMil Z 'i Z044 w4.a6:akAl ;? Z1Z: Z t ,'Llnilintt cZ (/) N r-. CY Nup /\(:(--h!:\/ rdy All voltages measured with a 20 M ohm per volt meter from chassis to socket contact indicated. I2J7G U R.F.0 T I 2SQ7GT I2K7GT D ET I. E 36A C --o0s5 35Z5G RECTIFIER /12.4c 0- 504.0 0- 0 05 #8.5 *645 40AC 05 0 -.0/ 0/ //eAC1/7A.0 *45 //AC 0 4,95 904C /17 0 90A C #77 1-47 -J 419A.0 - 20 I2SA7G CONVERTER 35L6G PWR. AMP Nionw ncOMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 0z 1.5NIELDED WAVE MAGNET 7H7 788 CONVERTER 747 786 6K6G DET. PWR. AMR SPEAKER 19)171-' ca TA) b- et ro Sr woo HI 4.0.00RD to 1-1 = es= R4 85 C. BAND -SWITCH SHOWN IN BRO4DCAST POSITION MANUAL -AUTOMATIC SWITCH SHOWN IN MANUAL POS/T/DN 1 SW/TCH aV 7 VC/ DENOTES CHA1545 'GROUND.' F. SHORT wAve AH7eN14i /AI A.C. CORO (CONNECTS 7O moivemAGNO7Y z 7L7 R.F. r,,fr O toe 06540 MO 105 _65 /7.5 7 r4 .a /0.7 0 4140 .75 0 7B8 CONVERTER eIRA.0 00 ,45 O O /171 7A7 I.F. -5, -els AG LAC ff5 MI P,..,11411247/.10 kt,:,.?9- ,du -155 0-4 deAC MS -105 6K6G 7"8P6WR. AMP 8X5G DET. RECT. 5554.0 5554.0 PILOT LIGHTS CO N O Om. a or W. NI DE S CR/PT/ON A/ 4 MAT we NI DESCRIPTION C/ 22,007 nye 0.4Are VAR/A01? Cl 22-109 30 /4/4A0. 600v CS 22-029 .Q5 MAO. 200 V C4 22-528 .05 AIID 400v CO 22-02 .000/ MAO. 600v RI 03.757 4700 0//n4 CO C7 22-102 .00021 MAO. WO V 52 22-446 cOnsPen/SAT/NG Coma R3 03-7a 43593 4710 OHM 47/ onim CO 22-022 .005 MAO. Cl 22-452 402 A450. 600 V 14 600 V R5 0633-5.099540It A1I4O0N4A40"m CIO 22-7/6 .0005 MAO. CH 22-027 .1,450. 400 V 84 43- 703 /000 OHM 200 V R7 43-151 /5M OHM C/2 22.030 .02 MAD. 600 V Ril 65-0/6 VOLUM! 00A/7101 Ca 27-2/9 .03 MAO. 200 V R9 63.076 /3 Me00HA4 Ci4 22-445 .004 MAO. 600 It R0 63-296 220 M ORM CCA1t 1028 /0 MAO (/51400 r'zicrootrwc 250 V. .350V R it 5 12 63-397 47014 OHM 63-260 00 M 0104 .. near NI .,, e DESCRIPTION *a 53- 63 9 470 ne OMM 114 53.1014 42 One w/Rewou.vo 00. mg. A W. j4 W PAR, fr.,, DESCRIPTION A W A W. / AW 2 /4W 3 4W 4 )5 IV 3 IW 6 7 2,w. 8 16 W. I, 34,W. 10 20,1 /1 A 4 58376 WAVIMAMAzer 4.331M6LV C 38347 ANTENNA CO/L 43.3e14. 0 39379 0.1c/ziniroR C0/4 4330M e 30184 AUTOMAric TIM/MS .4530/4. F 34459 R.F. CAVAte 4 Re5. 4.33eM. G 31324 WAVETRAP Co/z 453110. ../ 05-223 BANG 311 ECTOR 5W/TCH /7 95-034 /3! /A TRANJAcAmeR M 85-609 2114 IA TRANJAORAleR 95700 PWR. TRANS 30-60. /17V 100-67 P/LOT c /6NT 6.3 V .15 A. i //4' /'A/FTRAN- S. PR/. SEC. 24? zr. PRI. 22P /A - JeC. 22-0/5 WAVETRAP 22 -MY/ BROADCAST 03C. trocasr ,44/7/ON GANG/ 22.025 e'ocwsr PA00eR SHORT WAVE 0.!C./ON CRAG) 22-101/ SHORT have AA/Ten/HA C24 SPEAKER F/ELD 2000 n(Nor) cm 6X5G REC7: 7;SHIELDED 144YEMAGNEr 'oo° \- A, 7 H7 R.F 7B8 CONVERTER 7A7 I.F TO CAB/NET ANTENNA C3 C/ 4 A A 1 r\ r\ 1 1 1 1- r i I Ls I Ls § L:'Lirif 1g 110 BAND SWITCH SHOWN IN AUTOMATIC POSIT/ON DENOTES CHASSIS "GROUND" 7B6 DET.-AMP 6F6G PWR. AMP SPEAKER < 0 (.!54 SP K R FIELD 700 11 (HOT) 6X5G ri2 RECT.13 0 "GM mLA' NI DESCRIPTION Omet PART . ..n. ner DESCRIPTION 4"4 #4" NS VP DESCRIPTION '''' 4 Art '4v'.l"- DESCRIPTION C / CI 22-/0411 TWO GANS VAR/4315 C/9 22-259 50 AelAdr.O. 600Y 22-/35 .2 Me -D. C3 32-929 .05 MFG 2009 C4 22-880 .05A4F0 400V C5 22-162 .000/ hirCt C6 23-42 .000554 PO. C7 22-865 COMPOLSATIAAS COMO 600 W R / 63-637 4700 ONM 6006e R 2 63-593 4744 ONAI R 3 61 -/SO /OM OMNI CO 23-1062 .00546625 CC/OI. C// ,,"1544,0.ELECTROLV77C 1/5,4960 22-103614AIF0. - C /2 22-917 ./ A4,0. 600V 450,e R 4 R5 51-553 /000 awn 63-599 /.5.145505NI 35011 R 6 63-1/02 /5.44 OAIM 4504' R 7 651/0/ 9500 0.464 100 Y R 0 63-7/1 4742 seem C/3 12- /56 .02mrD C /4 35-529 .005A4ra C /5 33-492 .002 MFD. 400V R 9 63-7/9 47044 OHM 600V 600V RIO R // 63-1/13 63.1018 VOLUME CONTROL 48 OIMI W/REWOBNO C/6 23-854 .0005/MF0. 600V R /I 63-624 60 amt. C/7 11-441 .004 h/FE7 600K R/3 63-976 /5-1.11-50/1A4 CIO 12-130 .02 NIPS 600V R /4 63-296 220M OHM 200V R/5 63-597 47044 oNA4 R/6 63-654 NM Al cy/A4 R/7 63-656 270400SM W /3 Pe 11W9 A 0 ipWe 1PPeV Ae0w.! ,WW ,1W Afly Ai W ,14.w C t/ WAVCNIAONEr ASSCAIBLY S8307 ANTENNA COIL ASSZ-MAL V 0 E 9 58508 OSCA.LATOR COILASSEVYILY F 4 5 58457 AV7L441.477C 77.1N/N6 UNIT 58359 R.FCNOKE 0 RES. ASSEMBLY 0J 6 58553 WAVE TRAP ASSEMBLY K 7 65-193 BAND SELECTOR SW/TEN Al 8 95-706 /V Ilr TRANSFORMER 9 95-709 Zap ep TRANSFORMER /0 5653/ TONE CONrfiro/ SWITCH 1/ 95-7/0 POWER 7WANS. 50.60.4' /174' /2 /00-36 P/107- /NOWT 63K .25A. LOOP LOAD/NS COIL //isfr/ z r Tr RA-NS RR/ SEC. 263'/A- - PR/ 264 / r - Sec. 22404o WAVE TRAP 91.1049 LIAOAOCASTOSIC/LLArOR 1e841 OROAOCASTANTZAINA 22-101 BROADCAST RIMER PORT WAVE OSC (06, 6.44'6) 12-/ FORT WAVE AVYZNAL4 `MI CD WAYEARASNET -4 7-5N/EZDEO C/_L. 6R1(.7r6 Cf RP CS 13 LOCA(41017Avr sw/rov 61114, WWW4444/44r C ANTENNA SSWWIT/IYCHH SHOWN IN WIYEMAONET ROS/T/ON 5 6.486 =MIR TER 6/f 7G h"- an a.. 6a5G DET 6F5G 6566 AMP PWR-AMP SPEAKER CIO ?MA "111- - Ire Rti RI/ CE C7 /t0 /5 Ca CM A/7 RM SPEAKER P75L0 /150 thaws&Ls) C/S tv1 A 0 0 SAND SWITCH SHOWN IN AL/TOARAT/C Pas/new Ent TCOS 41a1C/ . R....-/18 P Ad. u..r--.- MOS*/ RN// REl A/o - /1A LOA/143S e TREACE I -_L // C VOICE a 0 NORMAL //C ALTO 1-1-1 /C R' 8455 PHONO PICK-UP Me AwRF An DESCR/PTION M, . , RSAW0//0TAEONS/N71 SRECII 41441' DESCH .T/ON 07.a ,14N,1.7 DESCAPhOT/ON PhONO MOTOR 0)4o4i '*'M)r,,o0orscRhorinv Cl St -Ill TWO-SANO 118644111 COS AVSSLI .001 /RFD CI Cl Cl 1Itrt0to--1tf4sl1l ..[011!88/454050 .054850 800K COOK 400K It $001( RRIf/l 8E444 63-7/1 /10810144 470A L ONAI MY 43-7/7 OWAR RIO 81 -MU /044 01644 Ass is IS /OS Aw0w0 SW/rew Ake ATI A*. CS C4 fWt -SINIP $0444850 .00003 ALM 800% 400K AV Rt 49477 0917/ /00 ONAI I ME90.644 1: 10-100 .0/ MAO 8004 RS 034210 4000 ORM CI 11`817.14450 COOK A4 81.107 /54801944 20-1/4 .0006.44,0 80014 RS 6S-593 /0044 OW44 CM 36.430 .00.4400 6001 Ati 83-8W 1548 0/618 F Cl/ fl.f/II .014450 I C/I POW} .0054450 C/S 11 -Ill .00410650 100% R? 10-741 IWO OwiL 80044 BOOK RI RI 4.11.999 51.115 LSAvEc01641 /000 0/644 EA0 8.97/9 /1 4450 CLLT77,00.770 310K R/0 55-6711 17440/141 f .5 %MYR, cm,Cla,, 1/41 I ALITO - C/7 OfMloa .00035.4450 41911 R// 61-7/5 47.48 OAR 4301e RAI 65-7/9 470A e OHLA 18044 443 61-198 [EOM ONA4 CV IS -470 .000/5 4850 600K 014 67-587 4701 OILLK CFO 15.4X .0004450 CIO 58-585 .0054450 8008 RIS 63-393 474801U4 APOOK R/6 61I -A777 47 ONAI ARREW01.0.0 /0 OVAL /004 CV PO -111 .0014150 400K CW 55-949 .aso z Aerzt 61701( COS tO-440 calidr_mswrfive COW R/7 4.9,42411 PM 10,009 NO 01/M 4.11 9.001 1548 ONAI - CO4 A.1.03, 0//AL SIC 404411ZR IWO 41.1-///5 _YOCUM! CON'TROi. A 4K A a / WAYEA4.46/IZT ASSICAOPLy C 114W4 1 37544 A/V73NA1 Cow. AIMS/RALF 0 IOW S 50337 DSc/LLAMA` COIL .455181 Z JfiAsWit 4 $ 95980 OSC 0000CER C81C4366A6 37064 .41/71401ATIC 7244440 47110tH 401! 8 /W. 7 451115 ASANO SELECTOR 3447708 37500 AWE MR CAS ASSEAge ../ K w 0 03-/7/ WAYEARASAICT .3WITC/I 9 10400 Mr IF TRANSFORMER NL. .4WMe /0 }1.084 5W, IP 7414,41$414/141L/P W 1/ 30340 MOE CCWTAKIL ASSEALAS/71 144 /e sossi nuorcavnraL Assemmovn W /3 99490 ROW MAME 1/7K 50-40w, W /4 -3 PILOT LIGHT 63 1( .15A. 13* IS 10040 fr/LOT h/CHT //04 7/11 /W. AI 0E404 DOOR SW/74W _ /7 IRVIN MOTOR SPY/71'W /C /F774.4443 /ELF SIC /1R/C7 ROIL F - VIP LE . MS/E.CCO . 11-940' WIVE TARP 0.4t40c.a sr 0Sci3El A66.IV 641240C4ST ANT 0.0C/IST MAWR( . I SAVA'T WAKE OSC.( .1 ft -MI SMART WIFE COT. ROLICE 41.440014(-) NO TE TRIMMERS 4%4 Arf// ARE AleOwTE0 OW 377PIR 05-St1Y. 6X56 REC7: DENOTES CHASSIS bROUNd 1232 7B8 CONVERTER 7 A 7 I. F. 7A 4 7B4 DETECTOR AMP. C3 td X:legr W/CYWRE \r r r\ I 7.I 1 1 C 2/ " .11,./Wv4 CS .RAPAN 25 CS. 24 R7 ___I COMOOO. 414.01, 1 Of 'MAI/ /ALSO CI CP more - /OA LON 5442 74281. 1/C VO/C2 NO A/00 441 -11 CR 02 ALTO /0 £443 212 SWITCH ON VC DENOTES Chf.4.5.5/S "GROL/NO" BAND JW/TCH SHOWN IN AUTCW4r/C POS/770V SW ANTENNA /N A.C. CORO (CONNECT3 70 BAND-SW/7C1.) Awe. 2407 mk AA, OfJCR/PT/O/V Aurn, IN* r Ac An, OF-3C4/R7/0/4) CI 22-1050 700464#014424431.1 C2/ 22.009 com,,A1.042-hvo c1T.0 C2 32-240 50 ARAPRO 407 V CS 25630 .05 MAO. 2001 C4 22-0410 .04 144.40, CS 32-02 .00025 M70. Cf 22-037 0644 240022 II 4001 4100 le imato /00 m 0044 600 /I R2 40.507 4700 0284 X11 A W. C7 22.525 .14470. 400 V 2.1 43-70 47.. 00545 A/./ CO 22.327 .02 MAO. CO 22-440 .004 A020 C47 22- 221 .00f 4640. C// 33954 .000.15 8420. C/3 22-470 .000/51420 200V 24 400 V 2$ WOK 24 1900 V 27 400 V ea 63-42/ 35 ONAI 450.303 ROAR (WAR 43-e09 /coo aye-, 23.109 ZS 4070024I 43.1470 50 44 02.44 .44Wr/ A 4, A w A ./ C/3 274102 002 MID. 4001/ RP 63-7/.9 470 Al OWN A W CA 22654 .0001 MA0 CIS Cif 32-410 22-20 .03 4470. .02 MR0 C/7 22.427 .1 MVO. 6001 WO V RIDV 4.4-D22 113-393 VOL/412 CONTROL 4744 OPIM 1.: .. 2001 200 V 22/02 '43524 If!. PTO ifil 14 0241 0 44400249 A IV JAW Ccaa, l 224034 54470 5LICTROL Y77C 19 Awn 450 V. 214 R3.294 22044 0214 350 V. 215 63-507 470 m 0244 C32 22-016114 mock -- 4.501 2/6 53075 Oa 0/181 W/R1PRO7NO A 1., A. 41 /195 '''''' 014. N1 Mr OESCO/P r/ oiv p"" N1 RIT 5/0 445-472 *JAW /544 0214 /W 2110 OINA PADT51074m0 /4W A 6 C D 1 I 444401.4464437 45.32845.0V 1,- 2 30404 A2758181 con 45544/817 a 3 31402 0.4C/444704 C00 ..0402. .1 4 35457 .42rOmA77C PSAN/NO .433444 PC 5 43-220 5.420 .1741C709 SW/MN 2.1 6 30.353 RA C2027 0223. ASSOM Q 7 0 36424 95-70 844 VI TRAP COIL 4.33041 10 /.2 70.423002.04 9 92704 2"0/2 TRANN0Rwrow /0 35452 7025 CONTROL 4338M. (14...7) 1/ 3545/ 704/8 433514/441427 /02 S0-705 RWR. 74421 50-497. 6,7 de /00-34 A1/407 LACNT 6.541 .254. AN"I" 0e SCR/PT/ON /21 / A 2/00/ /IP2 T1- 2.1 - PR/ .340 PR, 234 /. R. - SIC 22- .013 WAY274.40 4524244c4.27 0.5C (1.27, 0 - 427(20772) R400017(147/7 2) SNORT wave 050.(vOle /J .. .. ANT (2072 2) 2040-4. 5.040 ANT (Nom 2) 20703: 0/ reermme.93 214- AA, 840027!0 ON 3rArto 22-41.1.3 (7)74,41.4243 6,.. .110 4.92 1104./N,0 0 ON $74/P.'22-AaN 6F6G PWR.AMP. SPEAKER g Esikaz 0 (7; .Pb SPROKEI 0 U2 6X5G RECT. M 0 co tti WAVE/WAG/VET \&WELDED --4 6 //I CIS It /232 6ABG R F fii ro CONVERTER 6K7G 1F // C6 6,15G DETECTOR 1-7 6F5G AMP 6F6G PWR. AMP SPEAKER Ito /2 C 1 ANTENNA SW/TCH SHOWN /N WAYEMASNET POS/T/ON OCAS061TAII 60,7773., CloV MOIITMA01417: el Nom mess wes/orwe iv flows LYE CAKE AW 6U5 NACMCA TOR ti C// 71,71-e/see CONNECT/ON z. 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L 7,17:en LczAra L yrr'ssi L S./ BAND 5W/TCH SHOWN /H .POL/Ce POS/T/ON aL4C4 R P &tow,/ PNONO SPY/TON IN f I RADIO P05/ 770N MEIN O a" '''''' assa MM Ai At, DESCR/PT/ON _ 4II.I1 A'Ar NI DESCR/Pr/oN a.... 1 /mA r NT ,A1 OESGP/PT/ON C/ 224r CS 4 CS 04 CS 22-007 TWO -SANS ~NOES 09-41/G 0102S 05.44472 22-74 040SMAZI St -47 25AI41'71 C25 AVMS .000AvA-0. /ow., 2001 C24 22452 .002 A1112 SOOle 4004 027 224411 C44022NSAr1/27 coma 4004 COI 1e.1130 0001 0Sc AMODER SISK Ms R/10 4.1492 6.? -l5/ 3-34-0770/r CANOO.NAI /541 ORAN / Ie RSo 4.5444 /4,E400A1 Ai W 22, 147/1 RAV 43-7/7 42720044 00/2/A,2/ )02: A kte NI NT DESCA ./er/ ON /7 /0 itf-e03 2515/ 400070701S2Ws/oToenn, , SO/42 I002 IMO/AV CO/ ASSS/2 SO 37504 APA-0/40.1", /420 CO C7 I22744215 miect 000,250A1 4tare 00017 CO 2226, 000/MAZ1 CO 22427 CIO Cii cm 22-4174 In2/sStO/f 0005 Afro of Ama 0.14420 C/S SIO 24104 52487 00540/0 014E0 4404 AWE 6004 4004 LOOK /MIK ANPOK C/f MAIM emossAvect 400K C4 24470 000/I MIS. 41008' Cr? MASS 00444A-Cl WOK 04 22-44.1 00441212 NOS C/1 22-4010 000 4420. 0008 CP, CS/ 22504$ 22 040 009.14211 Mot AI/O. 4002 0008 CH 14-711 ASAIA024102.041770 J504 CCle4ll au", .10I./241022121 45041 4504 R/ AV RS R4 RS Of 27 RS op RAP R2M/4/l A2S4S RAS 217 SS -AS /000 oN44 21-574 33 ONAi 4SNo77 4140 dim 45-503 4700 OHM 93.327 10475 4700 /004 oem 024 45445 1000 cww 04154407.5/ /zoo ON/4 /4154000 4.57// SIMON*, 057/7 22000 00/44 43-144 A72041014/ 49-S07 470M 01/44 4511/7 EVAtm/E 00417501 45477 414.04 .134E 024 /0.0 ON/4 49174 00 ONAI A*Wi W / W A w Age 41 w *WW 4,W., gm( )4 W / W AP, ES AK / 2 S 4 5 if 7 0 9 /e0 /1 /3 /4 IS 14 A W444402E7" ASSTAAike a 57504 ANTENNA COIL 4Sszmacr 57504 oSelsAAToie co/c ASsekr. 37507 030. C014441-2 004 ASSZAit 37041 41/7-0404770 784v/NE ASsele C 0 if P 0.5,202 3*P75m54 0.9./7/ 54A/0 Jess -crap swrrcw 014 re 7714/. COIL A6.76/14 4a WTEANLSZIIIYM/INSE/TOSNWi!r0cw0700AHI 95 -/AS 0/104/0 3W/TeN 4, ss-sts /sr le TANA'S 4 15-441 2 t S AF MANS 39.127 A7044 7A1K,4o/Er CtioewrerRro4c3S8W' Z.4S3sA141. /0040 prior 4/9NT NOW TW AS -4e7 AVNER 72.01/41 5040 //74 /St[/TRANS fi4,/ /et7s.I,N" - JAY p4/ SOP/A" SEC 1540 WArs 7242 9.4040cASTO3c(ser Nws ,, 424402437 AN7T-NNA M441 21/74AOCA57- 2400ER a 580.47 WAVE ose(SEE Avrz SNORT WAVE ANTISZE NOTE POLICE SANO 050 (SEE warty) /1X/CE SAND .4407(3e2 Nore e) A/Ores- (/) TR/444NRS /;NON ARE MOON TED ON sriyaors-aso Afo(eu)/e7r2e404OENA4S075141,/440.,,2452-4002 iMO (.15 0 SPEAKER F/ELD 0 /?SO OHMS (Ayr) C) 1-3 N0 1232 R.F. 6A 8G CON V. 6K7G I . F. 8J 5G DET. 6F5G I"A.F. 6P5G 6AC5G 2NDA.F. PWR AM P. !raj< MO 9 t21L L L t TC23 NOTE 12.6 LOW BASS 128 TREBLE 12C VOICE 120 NORLAAL 12E ALTO i2F BASS 013 _L DENOTES CHASSIS GROUND BAND SWITCH SHOWN IN "POLICE" POSITION =c2o SW/TEN ON Y. SPKR.F1ELD PP 125011(HOT) 0 0 8X5G co RECT. gq 0 Pri I.F. FREQUENCY 455 K C. 8 TUBE SUPERHETERODYNE CHASSIS N2 8A02 A.C.3 BAN D ZENITH RADIO CORPORATION °IitC PART DESCRIPTION nulc. Ftv C . 22- 92 7 2 -GANG vAR1A6LE C22 22446 CA 22-R29 .05 MED. C03 22. 828 .05 MOD. C! 22-147 .0005 MED. 22-127 25 1.0.170 200 V. C 23 400 V. GOO V BOO V 22.386 C6 22-625 .1 MFO. C 7 22.327 02 mro. C13 22.229 .005 MED 400 V. RI 615113 200 V. 62 61587 600 V. R3 63.590 C9 22.954 .0003.5 MED. GOO V R4 11576 CO 22.470 00015 MED C 11 22.482 AU MED. COO V. 1.15 100 V. 1.16 53-643 63805 C 12 22.446 004 UFO. CO V 67 63.796 C 13 22454 0005 MED. 63477 C 14 22430 .02 MFD. BOOK Rt 63-271 CIS 22-06 .005 MED. C 16 22827 I MOD. 030 V Re 63.717 200V. Rii 63.711 C 177 MED. ELECTROLYTIC 450 V. 612 639075 C W WTI ELECTROLYTIC 450 v 113 43594 035 MED.6005. C 19 22-1034515 LEFO. ELECTIOLYTK 350 V. 6 4 13-976 020 22.041 R15 63496 C2' 22.1039 OVAL 06C PADOCII RN 65.100 DESCRIPTION DAG P'UT COMPENSATING COND. R17 0.151 .002 M FD 600 v. DESCRIPTION ,31.1 OHM i W 1 4714 OHM 47C0 OHM .. W t. W 153.4 0311.1 v. W 68 OHM 1614 OHM .m w It. W IMO OHM .6., W 1014 OHM '6 RE 3314 OHM I W 1 ME003414 V* W 22081 OHEA 2214 OHM 14 W If. W VOLUME CoNTFOL 68M OHM i 5 MEGOEHA .4 w '4 W 22081 CHM '4 W 52 01416 wiREW710. 1iy W i ANwCMAGNET ASSEMBLY 2 5.6142 LOOP LOADING COIL ASSENT 3 54430 ANTENNA COIL ASSEM. 4 3.7505 OSCILLATOR COL ASSEM. 5 544643 06C COUPLER COIL ASSEM 6 54495 AUTOMATIC TUN. ASSEM. 7 85-229 Sue SELECTOR SWITCH 6 54496 R.F.CACKE 1 RES. ASSEM 9 54445 Wm( TRAP ASSEM. 10 95-625 1r I F. TRANS. II 95663 2.8 I. F. TRANS 12 54491 TONE CONTROL 13 95427 PwR, TRANS. 6°^ 117 Y. 14 103.36 PILOT LIGHT 63 v 25A. °Lle". 'f.,:r DESCRIPTION A It LT TAMS, PRI. B C 19, 1.7 ., ZA 1.F " SCC PM D 24A. i F ^ SEC. E WAVE TRAP F BROADCAST OSC(SEE MOTE I) G 22-042 BROADCAST ANTENNA J 22-684 BROADCAST PALMER il 3143OTT WAVE CRC ROTE I) IA SHORT WAVE ANT (SEE MOTE 2) N PCLICE SAND OX. (SEC TOTE 11 - a POLKE BAWD ANT. (SCE NOTE 2) NOTES 0) TRIMMERS EH86 ARE MOUNTED 120 STRIP 22-850 (2) IRIS..ECM 14 S. CI AK MOUNTED ONSTR. P 22-10.5 All vohagee measured with a 2G M.ohm per volt meter from (i) chassis to socket contact in& cated. Wel 6XSG REM 667G 6AC5G PWR. AMP PIN PP. C 4.11,11C nR - 6P5G 2121A.F. 4NI F 3A03 ONLY _.1 6FSG III A.r. eVe NE b..1 . CONVERTER Co CIO $ r ly 401 O Nco 844070 SWITCH SHOWN POLICE'POS/T/ON _RI DIAL LIGHTS -- SAND SWITCH TUNING VOLUME L SWITCN 6K7G FC 1-1 A ITC RB 10 6J5G DET. 6F5G AMP 6J5G INVERTER Cs .6V6G PPPWR-AMP 11 01 +3_ 6 NOTE '43 A LOW BASS /3 LI TREBLE /3 C VOICE /30 NORMAL /3E ALTO /3 F 8455 I.F. FREQUENCY 455KC. 10 TUBE SUPERHETERODYNE CHASSIS N2 10A1 3 BAND A.C. ZENITH RADIO CORPORATION /5 DENOTES CHASSIS&ROOND# SW ON VC ' P rood = RE /W2 CIS SPKR. FIELD 0 P 6 0 .2 (Nor) En C/7 I. 6X5G AI RECT. I 4.... 0 0.04 R., MI DESCRIPTION DiAat Iv, Iftitr or DESCRIPTION C / Cl 22.4043 774fEE CAMS 048/ALWE 22-215.050020 00V Al C3 2E-470 .00015/APD. 00K 43-557 4700 ON.. 0I 82-853 .05 /WV 00Y R 2 43-505 /00440/141 )44Ww CS 22-147.00054480. C 6 et -825 ./ A46-0 600.1 8.3 43-5110 /0 MOM*, 400K R$ 43-510 /JAI GYM AAli W C 7 12-I27 termbero. 400K 5 5 63-583 4764 0/066 A W 85-327 .02 WO. 2000 R 6 43-574 68 ONM Ai A C 9 92-354 .90035A9,7). 404 17 8 7 43-151 ISM ORM I W. C/O 30-119 .0034420 400K A Is 41-606 /000 ORM A W Cl/ 22.290 .03A4A-D. C it 22 446 .00440-D. 600V R 0 65-643 /LIM 0N50 0004 RIO 61-27/ /40-40NA4 *of SI6 kiC CIS 22-492 .001 MPG 4000 RN 61-/I 0 EZ0R7 ocrAA .14 w CIA 22-854 .00054450 600K I2/1 63-7// 2200 0/051 )6W C/5 to -17/ .05MFD 6000 RC 63/074 TOLIJAW CONTROL c as 22-257 ./ MAO 200K Cc//o7} C/0 Z2-934 1,ta.wro.(177rmocyr 120MADELECTROLVT/c 22-104I .00550100 500 500 400K CZO 22-84412464875547/664 coNa C V 201030 0644 OSCILLATOR PA A C ff 22-356 .002 MP= 600K 8/4 R/5 R If R/7 R585/a40t 63-594 63-583 sem 0/800 9200 0,04 43-244 22000 ORM 63-6.11 33000 ORM 18-641 47M 04.164 6640416 TWO SISTA", SAMOOMAI 43,66/ 701100 wo, MIND .4 9,e A At A w 15W A w ,4W REI 43-474 2754 ONA. / W ruAo /NAT Ar II' F DESCRIPTION DMA AT MAAeTf/// DESCRIPTION R22 43-/053 22 Nr 0054 21W. C D e / NOWAAAerwr ASSEAAII,V F I 8/42 LOOP10.40w6 CO/L ASSEAS a 3 38430 AVTEAWA COA ASSZAfac V Ai 4 115503 Dere-cro4 COAL ASSEMItE A/ 5 6 3 7505 S 8466 OSCILLATOR CO, 4SSZA1017 057. CALK. COIL ASSEMOLV If M 7 56407 5 AcwoRt /Res ASS:MOLY N 8 a 8485 AVIV .44710 rawove 4./AUr LI 9 85-23/ BAND SELEcTOR SW/TEN /0 55445 wAve TR.41.. ASSEMBLY' I/ 95.415 /IV IR TRANSAORAWR /2 03-664 PAS IF TRANSFORMER /3 S6490 TONE CONTROL SW ASSEAR. /4 05.707 POWER TRANS I/O V 605, /5 /00.34 DIAL LIORT 6.5V .25.4. 248 / F TRANS. PA/. 262 IF - SEC. wAvE TRAP BROADCAST 050 (07, /) 13/042 BROADCAST ANTENNA 2100A0L-Asr Der ON 0A.Ner) Z2-640 ASINRO04R40TANrr.8' 4005001.8(CNSOTE i) SNORT W875 ANT (40722) ROLICE ZIANO 067 (Hort 4 RoUCE &Awn ANT (Ayres) NOTE, (/f TRAWNsERS R,ICON ARE modownro OR sr/t/fr orz-sso (2) TRIMMERS A f dt 4. AsRmE..MO1L2M-1TE0D.9O5N A IL, /. F TRANS RR/ a /1_, z A - SEC. MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS 12J7G R.F. I2SA7G CONVERTER I2K7GT IF R6 .1.00ort AP. r I2SQ7GT 35L6G DET.-AMP PWRAMP I6 IRS H __J SPEAKER r< L_ C. R7 RI DENOTES CHASSIS GROUND'' 6 4 Rs 35Z5G RECT P 7 R /31767 /E5476 35/66 /9./7.9 awns, - -ild T , Ai. A., DESCR/P770A/ Alma Au, . ro 1100,060, , RecrprAci.c Of-SCR/Pr/LW ''... .... CV-SCR/PT/0N CCII 2et2,-020[0I7.W05O4,0,4044 1664.110e Cl CI t1et--A32ll7..000104198,40.15 CS CS 1110,-425903..000/.808A0f05-4 C7 C6 Eftl --4SSo 1.4005.....0 014410 C9 2.100/7 054/9,2 47050 0944XIV 83 600091 /558560.850 1.00e 6000 R804 43-7/5 63-71.6, /00.81 OMAR AAnW( 200,,. 6000 /8676 61-7/S 65-701 4750 OMR 1.2 4,/9.60/14/ 56 IV ja w 40016 Re 63-726 /0 RIC60//6.6 .4 ..., 6009 R9 6.58/2 1606506 Ce80,04 4to00oVl RIO R/I 61-606 /500044 166960IW614/0 63,023 (70944..08,010041,0 AI. -,4,,, C.d1.,.,,,,,,, 041,i0 ii /VAX V' T1C isow 4005,CCZCTROCITIC /504/ R/ RE 63-709 63-7n 2/0247.0000474 4n- I 2 3 110118-8566887" .4.53,8110, 5399336266 W05.1weC7O54/eP 8/9545/4156.00554/000.1.7 Ai W 4 35496 /V 0 /0 7/6/1A(5 S 95-697 250/1 TRANS 6 AM 5/ 80.0e8 00104 7 0 9 05-440 190S0-.677, /P8a600.780--18/1503/07S6m3a,r-e,ft.e., /7/71,-3 CH., 4 :Er/PTA/OM 8W a ., fr/P TRANS MC C .200,07764.1.9.1 f0 0 12,0/5 29417 77,4,91.32c Role, 7794P 008008.10 001/0116.4 0 040801657 AN1.(546,6) MODEL 6 R583 SPEAKER 49-403 4 - IF FREQUENCY 455 KC. 6 TUBE SUPERHETERODYNE CHASSIS N26A08 - AC. PHONO ZENITH RADIO CORPORATION I 2SA7G T OSC . R6 35Z4GT RECT. ANTENNA PNONO Picw.c/R - / C7 R4 C5 FREQUENCY RANGE C/ CONNECTEDAT C) 540 - 900 ,/(0." C/ CONNECTED 47 0 900 -/socm-r. AG A/9 PA/VR-T OESCR/ P T/01V ,, N/A.G PART AESCRiP710/V C/ 72-690 71/N/NG CONDENSER ,13 63-70/ 470 CW.Af %4W C 1 22-162 .000/ /WO C3 00025 Af1-0. 600V 600 V 8R5s 63-296 22050 ONA! Z..ki 63-9. 4700 01/A4 zi,,,/ Cst 22-829 05 A-,,,0 200 V R6 63-803 2200 04'Ai !/,./ C 5 22-327 / ,4-1,, .0 . 200 V R7 63-375 47 ONA-I 4 ,,,,./ C6 22-243 0/ A-1/.0 400 V {4, CC 78 22-876 8 AlF0. 6 it-CTRL-Z(1,7/C /50 V /50 V / 556/I 05C COIL ASSEM C 9 22-828 05 ,44.,co 400 V 2 /00-76 614zZA 37 77/55 3 18.5/70 A.C. 5W/ 7-CAV R/ 63-59/ 2150 0/,'50 R 2 63-27/ / A-IEGOilm "".4 w .4 kV L /2 SA 7 3524 7. C9 2 3 MODELS S 8500 S 8501 PHONOGRAPH OSCILLATOR ZENITH RADIO CORPORATION OBOMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS _Another 111 Supreme Pud fication Radio Pooh = SUPREME PUBLICATIONS, 9 SOUTH KEDZIE AVENUE, CHICAGO 12, ILLINOISPdfCompressor 6.5.985 CVISION Technologies