RCA-Victor-Co-Inc-2C511 电路原理图.pdf

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1、12BE6 6BJ6 12AV6 6AK6 CONV. I. F. DET.-A.F.-A.V.C. OUTPUT T3 MANUAL OF 19S3 MOST-OFTEN-NEEDED RADIO DIAGRAMS 2-C-511 SERIES rca Victor Chassis No. RC1118 ALIGNMENT TABULATION Step Connect the high side of test-oscillator to Tune test-osc. to Turn radio dial to Adjust the following for max. output i

2、6BJ6 I-F grid through .01 mfd. capacitor 455 kc Quiet- point 1600 kc end of dial T2 (top and bottom) 2nd 1-F trans. T1 (top. and bottom) 1st I-F trans. 2 Stator, of Cl-A through .01 mfd. 3 Short wire placed near loop to radiate signal 1620 kc Min. cap. osc. trimmer C1B-T 4 1400 kc 1400 kc siqnal ant

3、. trimmer C1A-T 5 600 kc 600 kc (rock) (osc. coil) Slug L3 6 Repeat steps 3, 4, and 5 TUBE SERVICEDisassembly To make tubes accessible for testing, remove the volume and tuning control knobs by pulling off. Unscrew counterclockwise the alarm and time knobs from their shafts. Invert the cabinet and r

4、emove only the two cross-head screws along the back underside of the cabinet. Place the cabinet in its normal position. Using only firm hand pressure, press down alternately at front right and left sides of the cabinet top, midway between the ON-OFF-AUTO slide switch lever and the cabinet sides, forcing down and backward, to disengage the molded-in plastic catches. Then lift off the cabinet rear TUNING OSC. COIL *J |t “ ON-OFF-AUTO L-U-1 SWITCH FERRITE CORE 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN