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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I have power but it will not turn on. unplugged from power cord overnight then plugged into wall worked fine until i shut it off again, now it keeps blinking the delay light


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1 Answer

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Jerry G.


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Jan 03, 2009 | Sony FD Trinitron WEGA KV-36FS120 36" TV

1 Answer

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My 36 wega did the same thing last week it must be contagious. Blinks 7 times mostly but sometimes 6 if hit power switch again. The problem is the D-boards shorted Flyback high voltage transformer but the ones Sony is selling $130 do not hold up and seem to burn out in a few days, yes twice bitten. Finally they send me new D-board can't wait to see if this fixes it once and for all. The board costs around $200 but is worth it to get it running again.

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1 Answer

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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

Mar 15, 2008 | Sony FD Trinitron WEGA KV-36FS120 36" TV

1 Answer

Sony FD Trinitron WEGA


Here's my suggestion , unhook all the external components to the TV and leave the TV unplugged for more than a few minutes (a day/overnight). The next day plug the TV into the wall outlet (not the powerstrip) without anything hooked up to it, and turn it on. See if it comes on. Sometimes unplugging for a few minutes/hours is not long enough for it to reset itself.

Dec 28, 2007 | Sony FD Trinitron WEGA KV-36FS120 36" TV

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