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I have a Daytek DK-321A. The picture turns off after turning the TV on for 2 seconds. Sound and channels are fine.

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This TV has only 3 boards - power supply, inverter, and main/controller boards. Most likely it is the inverter board - i.e. no backlight. If you still have sound, the power supply is on,

Posted on Sep 06, 2010

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You need to change capacitors of the power supply,you can buy them at any electronics shop

Posted on Apr 01, 2013

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