Belmont-Radio-Corp-6D120 电路原理图.pdf

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1、MANUAL OF 1947 MOST-OFTEN-NEEDED RADIO DIAGRAMS MODEL 6D720 alignment procedure Output meter across 3.2-ohm output load. Align for maximum output. Reduce input as needed to keep output near 0.4 volts. Volume control at maximum for all adjustments. Connect ground post of signal generator to B of radi

2、o. Chassis must he removed from cabinet for proper alignment. Slight adjustments of the oscillator and antenna circuits can be made, without removing the chassis, through two holes provided on the bottom of the cabinet. The screws can be readied with a long screwdriver. SIGNAL GENERATOR Frequency Dummy Antenna Connection to Radio TUNER SETTING Grid (pin 8) of 12SA7 Plates out of mesh ADJUST FOR MAXIMUM OUTPUT (in order shoim) Trimmers on output and input I.F. cans Osdllator trimmer C7 on bottom of gang 收音机爱 好者资料库 RadioFans.CN