Westinghouse-Electric-Corp-H-778N7 电路原理图.pdf

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1、VOLUME R-22, MOST-OFTEN-NEEDED 1962 RADIO SERVICING INFORMATION Westinghouse FM TUNER I2DT8 Models H-761N7, H-762N7, Chassis V-2407-1, Models H-764N7, H-765N7, H-777N7, H-778N7, H-779N7, H-780N7, Chassis V-2407-2, are very similar to sets covered on this page and conti nued on the next page, adjacen

2、t at right. EARIT PftDOUCTiON WAS 350MMF CHASSIS REMOVAL 1. Remove the two 314 long screws located at either end of the cabinet rear. 2. Remove the two short screws located on the cabinet bottom. 3. Separate the cabinet front from the cabinet back to expose the radio chassis. (The two 3XA screws can

3、 be used to do this by pushing on both at same time). 4. Use a conventional TV AC interlock line cord to power the radio while servicing. It is recommended that the chassis be isolated from the power line by means of an isolation transformer. 134 Connect to balance of diagram on next page. 收音机爱 好者资料库 RadioFans.CN 135 收音机爱 好者资料库 RadioFans.CN