Question about Sony FD Trinitron WEGA KV-24FS120 24" TV

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Intermitten dead set

I was watching my sony 36 wega and it just went off. it wouldn't come back on so i unpluged it for a day and it came back on,good for 2 days..the it would come on sometimes...took it to a repair shop and they replaced transformer and the set worked fine for two weeks and now i am having the same problem and the shop they can not find anything wrong with the set..got it back and some days starts up and some days it would.. please help me or information so the shop can fix it ... thank you..randy

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This malfunction could be caused by an imperfect contact in the power supply zone or even `flyback` zone.Also check the capacitors of secondary power-supply.

Posted on Jul 10, 2008

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Good day.
There may have been some problem in the horiontal transistor. Also, Check for the zener diode that controls the supply going to the flyback. It might got busted due to the sudden supply surge.


chris

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