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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Sanyo 27" T.V.
M # AVM-2758S Chassis # G5G-2758SO Dead, horiz output
2SD1879 shorted, 1.0 uf @ 160 volt drive cap low, 4 amp fuse blown. Works great, but output gets quite hot. No swollen HV caps, or bad electrolytics. Should I replace the flyback? |
#2
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Sanyo 27" T.V.
"Dani" wrote in message ... M # AVM-2758S Chassis # G5G-2758SO Dead, horiz output 2SD1879 shorted, 1.0 uf @ 160 volt drive cap low, 4 amp fuse blown. Works great, but output gets quite hot. No swollen HV caps, or bad electrolytics. Should I replace the flyback? You could still have a timing cap bad. Also, is your replacement output transistor an original? We've seen lots of problems with fakes. The fact that it came in with a bad output though, tells me that there's an underlying cause not yet discovered, like timing cap, B+ too high, etc. Mark Z. |
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