Capehart-Corporation-2P56 电路原理图.pdf

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1、VOLUME R-16, MOST-OFTEN-NEEDED 1956 RADIO SERVICING INFORMATION Capehart-Farnsworth Company Model 2P56 Chassis CR-218 flUGnmem insTRUcnons EQUIPMENT REQUIRED: 1. Calibrated R. F. Signal Generator (455KC to 1620KC) 2. Low Range Output Meter. ALIGNMENT Turn set on and adjust for maximum volume. Connec

2、t output meter across Speaker Voice Coil. Step No. Set R.F. Gen. at 455KC (400 cy. mod.) 455KC (400 cy. mod.) 540KC (400 cy. mod.) 1620KC (400 kc mod.) Connect R. F. Generator to Pin 6 V102 thru .lmfd cap. Ground Lead to B- Pin 6 V101 thru .lmfd cap. Ground Lead to B- Pin 6 V101 thru .lmfd cap. Ground Lead to B- Pin 6 V101 thru .lmfd cap. Ground Lead to B- Set Gang to Fully Closed Fully Closed Fully Closed Fully Open T103 I. F. Trans former (Top & Bottom) T102 I. F. Trans former (Top & Bottom) S C101D Oscillator Trimmer C101B Antenna Trimmer To Obtain Maximum 13 收音机爱 好者资料库 RadioFans.CN