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Phillips lcd tv

I have sound but no picture

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  • Donis Dec 05, 2007

    I have sound but a black screen (no picture). This TV is not old!!! Less than a year. What happened?

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  • 52 Answers

Well if the Tv is not getting the 12 or 24 volts going to the inveter from the smps than it wont light the backlights.

Posted on Nov 14, 2009

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I had a similar problem with my Phillips 42 in. LCD HD TV.

Here's the problem. The Power Supply Board. I opened my TV up(warranty was up of course) and found several bad capacitors. Phillips and several other companies were sold capacitors that although were highly rated failed within 5 years because of a lack of preservatives. All sorts of electronic equipment is now being effected due to these defective capacitors.
Solutions?
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2. Open it up, check the board for faulty capacitors(bulged or leaking) Buy a new Power supply board and install it.
3. Remove PSB, remove faulty capacitors and replace with compatible new ones.

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