RCA-Victor-Co-Inc-RC-1157A 电路原理图.pdf

《RCA-Victor-Co-Inc-RC-1157A 电路原理图.pdf》由会员分享，可在线阅读，更多相关《RCA-Victor-Co-Inc-RC-1157A 电路原理图.pdf（1页珍藏版）》请在收音机爱好者资料库上搜索。

1、Adjusl the Turn radio following for max output T2 (top) 2nd I-F trans T1 (top and bottom) lsl 1-F trans Connect the high side of test oscillator 12BA6 I-F grid through .01 I mfd capacitor St timer switch (on clock) TO REMOVE BACK COVER 1. Slip out of upper groove while pressing upward on lop edge of

2、 cabinet 2. Tilt outward to free interlock contacls, then lift from bottom grooves. REMOVAL OF CHASSIS 1. Pull off volume control and tuning knobs 2. Remove back cover 3 Remove one screw (near volume control) holding chassis to cabinet. V4 50C5 OUTPUT V5 3 5W4 RECTIFIER V2 -12BA6 I F AMPLIFIER T1 1S

3、S I F , TOP & BOTTOM CORES 455 KC C1-B ANTENNA TRIMMER t400 KC VI - I2BE6 CONVERTER T4 OSC. COIL 600 KC Stator of Cl B through .01 mfd V 3 12AV6- DET AVC A F AMP- T 2 V 2ND. | TOP CORE 455 KC PCI PRINTED CIRCUIT VOLUME CONTROL Cl A OSC. TRIMMER 1620 KC 1,620 kc Max osc trimmer clockwise Cl-A 1 400 k

4、c 1,400 kc signal ant trimmer Cl-B 600 kc 600 kc signal osc. coil T-4 (rock gang) Short wire placed near loop to radiate signal Repeal sleps 3, 4, and 5 VOLUME R-16, MOST-OFTEN-NEEDED 1956 RADIO SERVICING INFORMATION RCA Victor odel 6-C-5 Series, 7-C-6 Series Chassis No. RC-1157A I2BE6 CONVERTER I indicates Common NEGATIVE WIRING I2AV6 2ND DET-AVC 123 收音机爱 好者资料库 RadioFans.CN