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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair
Make
Model
Problem
Solution
Date
Found: 2
Sony
KV-C25/27
Memory inoperative. Memory chip replacement failed.
Check that pin 2 of memory chip is at -30 volts. If not check D809, R830, L807 and the -30V smoothing cap. In two cases, L807 was found to be open cct.
14-09-04
Sony
KV-C25/27
Starts on Pr0 and every time Pr+ is depressed, it goes subsequently to Pr8, Pr16,Pr24 and to Pr0.
Change D008 5Vzener located near M58655 memory chip.
14-09-04
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