Galvin-Mfg-Co（Motorola）-TC7B 电路原理图.pdf

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1、VOLUME R-26, MOST-OFTEN-NEEDED 1966 RADIO SERVICING INFORMATION MODELS TC7B, TC8B TT14B, TT15B CHASSIS HS-8206 HS-8207 MOTOROLA CIA C3l :ib cio (For diagir-am see next page adjacent at right) CHASSIS REMOVAL (All Models) 1. Remove selector and tuning knobs only. Loudness and tone control knobs are c

2、aptivated. 2. Remove clock control knobs. 3. Remove clock crystal by insert ing screwdriver between cabinet and bottom edge of crystal below the letters AM on dial scale. Release catch and lift out crystal. 4. Remove dial pointer by carefully pulling straight out. 5. From rear of chassis, remove thr

3、ee (3) screws along front chassis apron from below chassis. 6. Remove two (2) screws on verti cal chassis above loudness control. 7. Unsolder speaker leads and nec essary clock leads. 8. Carefully pull chassis from cabi net front. m- v-4-4-T-I I t C5 C/ w i1 / Q1 . ft w til/ 4 i CV, Rsv .30/ RH r,j- M lnm S3 R13 -F Ci/ m | OO OO Oo ss ss S3 ? Q 0 0 4 TURNS CLOCKWISE (START INSIDE OF AFT) |*|j ii ; l|l Is | le Ifi Silage ll|S 111 agi |s w s* II !( a/ xk m n SLPJjJ TUNING GANG FULLY CLOSED -J _ Wpj DIAL POINTER LINED UP WITH MARK ON PLATE DIAL STRINGING DETAIL FINISH 收音机爱 好者资料库 RadioFans.CN