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VOLUME R-21, MOST-OFTEN-NEEDED 1961 RADIO SERVICING INFORMATION PHILCO MODEL T-52, CODE 124, and CLOCK RADIO MODEL TC-57 These two models use identical perma-circuit panel assembly, but the switch of T-52 is manually operated. OF BAT RED LEAD TO POS BAT/ (6V+) ZJ SWITCH USED IN MODEL T-S* - T-1504 REFLEX T-1549 MATCHED PAIR AUDIO OUTPUT 5. ( *) * yr V Vs V Cm x ) v /R X, Li: * _ C v_ 4 _ i -7- p.3CrvV. S3.a /*r. ji c fi I* % jv_y ac r_Ln|,pt- *V ALL VOLTAGES MEASUREO FROM III I-1 GROUND Schematic Diagram, Model TC57 收音机爱 好者资料库 RadioFans.CN