Galvin-Mfg-Co（Motorola）-HS-67201 电路原理图.pdf

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1、ANTENNA VOL CO ITT rrc bkct (AC4B fc- AC43B) CLOCK 120V 60 AC ONLY ON-OFF SW (ok voL com ONOfl * DASHED JUMPER CHASSIS REFERENCE POINTS (BOTTOM VIEW) (N0T in CLOCK MODELS) VOLUME R-26, MOST-OFTEN-NEEDED 1966 RADIO SERVICING INFORMATION motorola MODELS AC4B, AC43B, AT30B, AT31B CHASSIS HS-67201 & HS-

2、68202 V3 12AV6 00 AVC-AF AMP m 5005*71 12BA6 12BE6f7J 12AV6 A 3 d 1 4 1 88V AC 36V AC 24V AC l2YAr IAC4B l AC43BI CHASSIS REMOVAL NOTES CAPACITORS - UNLESS OTHERWISE SPECIFIED. DECIMAL VALUES INMF, ALL OTHERS INPF. RESISTORS - 1li WATT FIXED COMPOSITION 20* UNLESS OTHERWISE SPECIFIED. VOLTACES - MEA

3、SURED FROM POINT INDICATED TO CHASSIS WITH A VTVM. + 10* NO SICNAL INPUT TUNING RANCE - 535KC TO 1620KC IF-455KC 1. Remove cabinet back - 4 screws hold it in place. MODEL AC43B 2. Remove chassis mounting screw at base of chassis and screw at tuning gang mounting bracket. 3. Pull off volume knob ONLY. (Do not pull captivated tuning knob.) BOARD WIRING LEGEND .-B+ r-AVC -A.- FIL = 4. Unsolder appropriate leads to slide chassis out of tuning knob and cabinet. TI&T2C0NN eor VIE! MODEL AT31B 收音机爱 好者资料库 RadioFans.CN