Crosley-Corp-56TY 电路原理图.pdf

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1、MANUAL OF 1948 MOST-OFTEN-NEEDED RADIO DIAGRAMS ALIGNMENT PROCEDURE TjV 1. Turn the tuning condenser to the completely closed position XJjj J. against the stop and set the dial pointer to the reference line at the end of the dial scale. 2. Connect the output meter across the speaker voice coil. 3. T

2、he r.f. signal input from the signal generator should be con nected to the external antenna lead. Connect the signal generator ground through a 0.1 mfd. condenser to B (pin 4 on 14A7 tube socket). A. Turn the volume control on full and adjust the signal generator output to produce approximately mid-

3、scale deflection of the out put meter, but maintain signal generator output as low as possible to prevent AVC action in the receiver. Signal Gen. Output Alignment sequence Frequency In Series 1 T in KC with | 10 Position of Tuning Dial Adjust for max. output 1 455 200 mmf. Ant. 1620 A & B 2 1620 200

4、 mmf. Ant. 1620 C :s 1400 ri 200 mmf. Ant. f 1400 n D “i i MODEL 56TY BROADCAST ANT. (ft) TRIMMER 7C BROADCAST oJ TRIMMER 7D J W: S 1 Se-VOtM(,tS WERE MEASURED USING Electronic voltmeter. 1 - WIRING JUNCTION : - NO CONNECTION. - SO CYCLE A C VOLTAGES rE VOLTAGE TOl FRANCE. IOV. 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