Emerson-Radio-and-Phonograph-Corp-707 电路原理图.pdf

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1、VOLUME R-22, MOST-OFTEN-NEEDED 1962 RADIO SERVICING INFORMATION Emerson Radio 0-1 CONVERTER 0-3 1ST | r AMP MODEL 707 CHASSIS 120598 0-4 2ND LP AMP c-i , 50,000 r 11 T ? l8,wi I j lL iliac T-e PEAKED AT 455 *C T-3 PEAKE DAT 455 KC irn iffar I r* f * 15Vf i/ ! oj* tl c b | T o / tHJ j 3 CT 3 P-1 1*10

2、0/1 (TOTAL) AT lOOOCPS DISASSEMBLY PROCEDURE Remove back cover by twisting coin in slot at bottom |_ end of cabinet. Remove battery by lifting straight up and out of cabinet. Remove three Phillips head screws located at edges of the etched circuit board. Remove hex nut and washer used to secure pers

3、onal listening attachment jack to side of cabinet. Free iack from its mounting hole by pushing inward. Lift chassis out of cabinet, being careful to avoid placing strain on the wires leading to the speaker and battery terminal contacts. Re-assemble in reverse order. TO TO LIST BATTERY - (P0S.SIDE) B

4、LUE 4 + CERAMIC CAPACITORS, CAPACITY IN MICRO-MICROFARADS UNLESS NOTED. ELECTROLYTIC CAPACITORS, CAPACITY IN MICROFARADS. RESISTORS IN OHMS(XtfOOO) AND * WATT. TO EXTERNAL LISTENING JACK v_. BLUE A A RED I . E 1/2 C14 *f d-ojIA * * Jl fML BLACK LEAD MUST GOTO CENTER TERMINAL OF SPEAKER SP-1. c-*ob!c7; ;i9;-b */- rfv1lA ! ;wE ! W | tnc -i* I ! m I RH3 1% f * v /* RU3 VRED ) BLUE V Jblack 4 / V r I-T 1 5! : . CH3 11 % / M C 5 * t C 7 V-. Et - xy * C-4 24(5 TO BATTERY (NEG.SIDE) ( fin J lit T-3 R-12 C8 u 0-2 e L-2 ETCHED PRINTED CIRCUIT, CH. 120598 (BOT. VIEW) 收音机爱 好者资料库 RadioFans.CN