Admiral-YD257 电路原理图.pdf

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1、VOLUME R-26, MOST-OFTEN-NEEDED 1966 RADIO SERVICING INFORMATION Admiral, Chassis 10J1, Model YD257 PRECISION WIRED SYSTEM 20I4B 377-2 2SAI0IAA EMtTTFR TjCOU-ECTOR EMITTER |T|cOLLECTOR BASE BASE COMMON PRECISION W RED GROUND. !F*45SKC. UNLESS OTHERWISE SPECIFIED. CAPAC1 TOR VALUES fN MCROfARADS; RESI

2、STOR VALUES IN OHMS t/RWATT, 10% VOLTAGE ANO CURRENT READINGS lAKEN With fresh BATTERY, NO signal. VOLUME CONTRCA AT MINIMUM. CURRENT OHAIN-I3MA. * NOT MOUNTED ON CIRCUIT EOARD. VOLTAGES TAKEN WITH VTVM BETWEEN POINTS INDICATED ANO COMMON GROWNO (POSITIVE) PM SPEAKER 3011 VC IMP I6.tf.ten &lve 31 IU

3、V OFF ON SWITCH PART OF RI3 TUNING CAPACITOR AC charger operation Plug the AC Charger into the jack on the radio and into a wall outlet and the radio operates from ordinary AC house current little battery drain. After using radio outdoors (from battery), plug in the AC charger with radio turned * *O

4、F F and the AC Charger will restore power to the radio battery. The AC Charger will extend the useful life of the transistor radio battery many times its normal expectancy. CIO Q3 C6R9 R7 R8r)RI7RI4 C3 ZL / R20 RI9 R2I ,RI6 R23 R22 QIIQI2R24 QIO R27 R25 Q7 Q6 Cl I R26 RI5 COMPONENT & ALIGNMENT LOCATIONS, TOP VIEW 收音机爱 好者资料库 RadioFans.CN