Raytheon-Mfg-Co-C-52R 电路原理图.pdf

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1、VOLUME R-16, MOST-OFTEN-NEEPEP 1956 RADIO SERVICING INFORMATION RAYTHEON MODELS C-50B, C-51W, C-52R CHASSIS 4D16-A TURN DRUM COMPLETELY COUNTERCLOCK-WISE, RESTRING AS SHOWN. sstf zQ: NOTES: VOLTA4E REA0IN6S TAKEN WITH A lOOO-OHM-PER-VOLT VOLTMETER ON TIM 290 VOLT SCALE RE AO ON THE 10 VOLT SCALE OF

2、ThE VOLTMETER. UNE VOLTAGE 117 VAC. a m Sc jpnnm LAROSTAT ALIGNMENT PROCEDURE Loop must be connected and voluma set to maximum. SIGNAL GENERATOR Frequency Coupling Cupadtor Connection to Radio Ground Connection TUNER SETTING ADJUST FOR MAXIMUM OUTPUT 455 ke. .1 mf. 12BE6, Pin 7 (/ (/ 2 m o a (Capaci

3、tor fully open) (plates out of mesh) Top and bottom .Cores in output and input I.F. cans 1620 ke. .1 mf. I2BE6. Pin 7 a 2 3 (Capacitor fully open) (plates out of mesh) Oscillator trimmer Cl-D on gang 535 ke. .1 mf. 12BE6, Pin 7 J O V B Capacitor fully closed Check for adequate range 1400 ke. Lay Generator lead near back of cabinet “ H- Tune in 3 X 1400 kc. signal Cl-C on gang 131 收音机爱 好者资料库 RadioFans.CN