Philco-Radio-and-Television-Corp-T-75 电路原理图.pdf

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1、VOLUME R-19, MOST-OFTEN-NEEDED 1959 RADIO SERVICING INFORMATION PHILCO PORTABLE RADIO model T-75, code 124 2- FREQUENCY COVERAGE535 to 1620 KC. J *:_g -i3A ,-a * INTERMEDIATE FREQUENCY45 5 KC. 1 . BATTERY SUPPLY2 standard D” cells, in 3 s- * - * I l volt supply center tapped at 1-1/2 volts. Battery

2、22 7 * * - r- * type P-907 or P-920 (metal clad). *- s,SJ 3 S N n S3 U (J) |-L- SERVICE NOTES g 5 I -When signal tracing, inject signal at transistor 5 xla. _ Dress of black lead from top, center, frame lug ; 4_/2E of gang to end ground lug is important to reduce cfc -1 o 5 beat. See base layout for lead dress. 108 收音机爱 好者资料库 RadioFans.CN