Philco-Radio-and-Television-Corp-PT-57 电路原理图.pdf

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1、MANUAL OF 1940 MOST POPULAR SERVICE DIAGRAMS TRANSITONE HOME RADIO MODELS PT-49 AND PT-51 Schem. Phiico Ne. Description Part No. 1 Antenna Transformer .32-3168 2 Tubular Condenser (.0015 mf., 200 ?.) 30-4555S 3 Tuning Condenser *.31-2428 4 Switch .42-1406 5 Tubular Condenser (.05 mf., 200 v.) . .30-

2、4519S 6 Tubular Condenser (.15 mf., 400 v.) .30-4505S 7 Resistor (47,000 ohms, % watt) _33-347154 8 Mica Condenser (110 mmf.) .30-1130 9 Oscillator Transformer .32-3167 10 Tubular Condenser (.05 mf., 200 ?.) . .30-4519S 11 1st I. F. Transformer .32-3149 12 2nd I. F. Transformer .32-3150 13 Resistor

3、(2.2 meg., % watt) .33-522154 14 Mica Condenser (250 mmf.) .61-0033 15 Resistor (22,000 ohms, % watt) .33-322334 16 Volume Control (500,000 ohms) .33-5306 17 Tubular Condenser (.01 mf., 200 ?.) .30-4479S Schem. phi|M Ne. Descriptien Part Ne. 18 Resistor (4.7 meg., % watt) .33-547154 19 Resistor (220

4、,000 ohms, % watt) _33-422154 20 Tubular Condenser (.01 mf., 400 v.) .30-4572S 21 Resistor (470,000 ohms, % watt) .33-447154 22 Resistor (130 ohms, % watt) .33-113336 23 Tubular Condenser (.04 mf., 400 t.) .30-4119S 24 Output Transformer Part of Speaker No.36-1469 25 Speaker .36-1469 26 Electrolytic

5、 Condenser (20-20 mf., 150 ?.) 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.) .30-4119S 31 Push Button Switch.42-1485 32 Padding Condenser Strip.31-6293 PHILCO TRANSITONE HOME RADIOS MODELS PT-57 AND PT-65 St

6、hem. 1 2 3 4 5 6 7 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 No. Description Loop Antenna Assembly Tuning Condenser Tubular Condenser (.05 mf., 200 v.) Tubular Condenser (.25 mf., 400 v.) Resistor (47,000 ohms, *4 watt) . Mica Condenser (110 mmf.) . Oscillator Transformer . T

7、ubular Condenser (.05 mf., 200 v.) 1st I. F. Transformer 2nd I. F. Transformer Resistor (2,2 megs., M watt) . Mica Condenser (250 mmf.) . Resistor (27,000 ohms, V2 watt) . Volume Control (500,000 ohms) . Tubular Condenser (.01 mf., 200 v.) Resistor (4.7 megs., *4*watt) . Resistor (220,000 ohms, V* w

8、att) . Tubular Condenser (.01 mf., 400 v.) Mica Condenser (250 mmf.) . Resistor (470,000 ohms, Vi watt) . Resistor (130 ohms, V2 watt) . Tubular Cpndenser (.04 mf., 400 v.) Output Transformer Part of Speaker No. Speaker . Tabular Condenser (.04 mf., 400 v.) Electrolytic Condenser (20-20 mf, 150 v.) . Field CoilPart of Speaker No. . Pilot Lamp Line Resistor Push Button Switch Padding Condenser Strip -ol 0 I.F. 455 COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 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