RCA-Victor-Co-Inc-5C581 电路原理图.pdf

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1、MANUAL OF I9SS MOST-OFTEN-NEEDED RADIO DIAGRAMS RCaVictor Model 5-C-581 Chassis No. RC-114SA 2* 8hX _ 2?* _i O aON tt-H . 5 h a. 2-io. 2 X O oo rf Z K _i $xa. |_ u a: u lii H UJ DOU Z _ o Zu 2 Lft t: o Mltl 2- _J uj u _iq:x j_, r p P c J p O 1 1/ Step Connect the high side of test-oscillator to Tune

2、 test-osc. to Turn radio dial to Adjust the following for max. output i 12BA6 I-F grid through .01 mfd. capacitor 455 kc. Quiet- point 1600 kc. end of dial T2 (top and bottom) 2nd I-F trans 2 Stator of Cl-8 through .01 mfd. TI (top and bottom) 1st 1-F trans. 3 Short wire placed near loop to radiate signal 1620 kc. Max. c/clkwise osc. trimmer Cl-AT 4 1400 kc. 1400 kc. signal ant. trimmer CI-BT 5 600 kc. 600 kc. signal osc. coil T-4 (rock gang) 6 Repeat steps 3, 4, and 5. | 81 收音机爱 好者资料库 RadioFans.CN