Philco-Radio-and-Television-Corp-PT-38 电路原理图.pdf

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1、MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS f| A wwfl tifi1wttfe m tlMf I r Pn 7C6 35A5 j:rn jr 41 mmr- rVi isf ! id? d I.F. 470 KC. Kg il 35 Z 3 / 500 ft 1 iyT ij FIELD ll T. 35Z3 35A5 7A& 7B7 7C6 PHILCO TRANSITONE MODEL PT-38 Tuning Condenser Tabular Condenser (.05 mf., 200 v.) 2nd I. F. Transfor

2、mer Ptiiico Part No. Schem. No. Description Ptiiico Part No. 32-3233 19 Resistor (2.2 megohms, 14 watt) . . .33-522154 30-4555 20 Mica Condenser (250 mmf.) . . .61-0033 31-2431 21 Resistor (8,200 ohms, 14 watt . .33-282334 42-1497 22 Volume Control. . .33-5306 30-4519 23 Tubular Condenser (.Olmf., 4

3、00 ?.) .30-4572 30-4600 24 Resistor (4.7 megohms, watt) . . .33-547154 30-4519 25 Reststor (220,000 ohms, 14 watt) . . . .33-522154 33-122336 26 Tubular Condenser (.01 mf., 400 r.) Resistor (470,000 obms, % watt) . . .30-4572 33-410154 27 . .33-447154 61-0033 28 Electrolytic Condenser . . .30-2402 3

4、2-3234 29 Resistor (130 ohms, 14 watt) . . .33-113336 32-3217 30 Tubular Condenser (.04 mf., 400 v.) . .30-4119 31-6331 31 Output Trans,Part of 8peaker No. . .36-1469 .30-1089 32 Speaker . . .36-1469 .33-247134 33 Field CoilPart of Speaker No. . . .36-1469 .30-4519 34 Pilot Lamp. . .34-2068 .32-3327

5、 35 Line Resistor . .33-3367 .32-3150 36 Tubular Condenser (.04 mf., 400 t.) . .30-4119 PHILCO TRANSITONE HOME RADIO MODELS PT-43 AND PT-55 Description Loop Antenna Assembly . Tuning Condenser . Tubular Condenser (.05 mf., 200 v.) Tubular Condenser (.25 mf., 400 v.) Resistor (47.000 ohms, 14 watt).

6、Mica Condenser (110 mmf.) . Oscillator Transformer . Tubular Condenser (.05 mf., 200 v.) 1st 1. F. Transformer . 2nd I. F. Transformer . Resistor (2.2 megs., 14 watt) - Mica Condenser f250 mmf.) . Resistor (27.000 dims, % watt) . Volume Control (500,000 ohms) . Tubular Condenser (.01 mf., 200 v.) Jt

7、eslstor (4.7 megs., 14 watt) . Resistor (220,000 ohms, 14 watt) Tubular Condenser (.01 mf. 400 v.) Mica Condenser (250 mmf.) . Resistor (470.000 ohms, 14 watt) Resistor (120 ohms, 14 watt) . Tubular Condenser (.04 mf., 400 v.) Output Transformer, .Cart of Speaker Speaker . Tubular Condenser (.04 mf., 400 *.) Electrolytic Condenser (20-20 mf., 150 v.) . Field Coil.Part of 8peaker Pilot Lamp . Line Resistor. rf 35A5 rv I.F. 455 KC. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 75 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN