Emerson-Radio-and-Phonograph-Corp-31L07 电路原理图.pdf

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1、VOLUME R-26, MOST-OFTEN-NEEDED 1966 RADIO SERVICING INFORMATION EMERSON Chassis 120789, Models 31L07, 31L08 (See adjacent page at right for schematic diagram) T-KTOP) 1ST FMI.F (PRIMARY). TIE PTa_. C-21. TO AMS LOOP-1 0-22 Z-XS =* NOTE: CT-B FM OSC TRIM) ON OPP SIDE (NEXT TO V-1) | CT-C FAM ANT. T-K

2、BOT) (SECONDARY) CT- A FM R.F FM R.F TUNING UNIT 471538 REPLACEMENT INFORMATION FM TUNING UNIT 471538 When removing the FM tuning unit for exchange or replacement, be sure to retain the dial string pulley, associated mounting parts and rubber grommets. New units are supplied by the factory complete

3、with metal cover and vacuum tube, but less the items noted above. A i W-2 function ft h NOTE: TUNING GANG Tone SHOWN FULLY SW-3 CLOSED. AFC 4 TURNS(CW) TUNING R-13 VOLUME dial stringing I C-3BA l C 38B 1C5O0 2rd FM F AMP FM RATIO DET A M DETECTOR (TOP B BOT T 3 T-4. 2 16 V-4 2 I2BA6 i * R 16 vV t,00

4、0 i c-25S33k T P 1,500 * f 2nd AM FM |.F. 455KC(TDP) 10 7MC(B0T.) 1st AM/FM I F. AMP (5 V-3 il I2BA6 J jP0 *,55Mk| AM CONVERTER (TOP a BOT) *1rlCR3 100K #JKr)J330 kTN 330 -5 “EG R-21 A C-3B 20,000 T AM OSC. COIL 1.C-IT J 20.000 TUBE LOCATIONS AND ALIGNMENT POINTS ETCHED CIRCUIT CHASMS (BOTTOM VIEW) 22 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN