Philco-Radio-and-Television-Corp-H-691 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 H-691, CODE 124 Frequency Coverage 540 to 1620 KC Intermediate Frequency 455 KC, NOTES- CAPACITORS - DEOIMAL VALUES IN MFD + - SYMBOL REPRESENTS B- 23 |L4 1 L5 1 CRITICAL LEAD DRESS 1 Brown and black wires, f

2、rom wiring panel on bracket, must be dressed below and away from R9 and in front of the tuning con- denser. Cl. 2. Brown and black A battery leads must be dressed over the output transformer, T2, and through the dress lug 3. Red and yellow B battery leads must be dressed up through the AC interlock

3、mounting bosses. 4. White AC interlock leads must be dressed toward the front panel 5. All wires must be dressed clear of the current limiting resistor, RlO. 6. C6, the filament condenser, must be dressed toward the bracket, away from Cl, the tuning gang. CIA 1 ANT - T1 OSC COIL x. t j- M!J 1-7 1ST IF PRI - BOT SEC-TOP IF AMP a SHIELD 2nd IF SEC-TOP DET,A.VC. 1st audio Bottom View, PW Panel 112 收音机爱 好者资料库 RadioFans.CN