Western-Auto-Supply-Co-D-2419 电路原理图.pdf

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1、MANUAL OF 19S4 MOST-OFTEN-NEEDED RADIO DIAGRAMS Western Auto Supply Company MODEL NOS. D2418, D2419, D2420 NOTE: Resistor R9A-8 may be of either the Muter or Ciarostat type as illustrated. ALIGNMENT 9 Loop must be connected and volume set to maximum. TURN DRUM COMPLETELY PROCEDURE SIGNAL GENERATOR F

2、requency Coupling Capacitor Connoction to Radio Ground Connection 455 kc. .1 mf I2BE6, Pin 7 / / 2 2 o l/l tu o IU X TUNER SETTING ADJUST FOR MAXIMUM OUTPUT Capacitor fully open (plates out of mesh) Top and bottom Cores in output and input I.F. cans Capacitor fully open (plates out of mesh) Oscillator trimmer Cl -D on 9ang Capacitor fully closed Check for adequate range Tune in 1400 kc. signal Antenna trimmer C-1C on gang I NOTES: VOLTMCNEMNMM TMttt *|TH A 00O-0HM-*C-Wl.T vanSfbroi tie mo volt nu m*o m TNt e volt scale or the voltmct* LMK VOLTA* llT VAC. 收音机爱 好者资料库 RadioFans.CN