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Repair guides and support for televisions manufactured by Sony.

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TV powering of after a few seconds (no image)

Hi, i have an issue with my tv: KDL-55W756C

After 2 days of standby when i tried to turn it on i had sound but no image so i turned it off removed the power for 5 mins and tried to turn it back on.

But now the tv turns on the led turns white as usual and after a few seconds 3-5 seconds it turns off. (in this time no image or sound)

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T.v. will turned off soon

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Hi @amitkumar98955

Sorry to hear about your TV being broken! We can’t provide you with any repair advice right now though because we don’t know exactly what we’re working with. Please update your post to include the make, model, exact symptoms of your problem, and the troubleshooting you’ve already tried. 

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@ionutjtc

after a few seconds 3-5 seconds it turns off. (in this time no image or sound) “ sounds like a bad main board or bad power board. You will need a multimeter and measure the voltage output from the power board to the main board.

Here is the triage chart for your TV

Block Image

and most likely candidate is a bad G-board (power supply board)There are a few variants on this so we would need to see your boards to be of more assistance. Consider posting some good images of the bvoards with yuor question iFixitでの質問に画像を追加する方法

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Ionut さん、ありがとうございました!
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