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Have lcd tv samsung. Had a power surge now tv will turn on but no picture or sound. What could be the problem?.

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If you get no standby light or error blinks, the power supply board is bad. Most likely the power surge will take out some capacitors on the power supply. Replace the power supply board to solve the problem. This is a common failure caused by a power surge.

Note: If you are looking to do it the cheap way, you could try looking for bad capacitors (visually inspect for ones that look "bubbly") and replacing just those but it is not guaranteed to fix the TV as the power supply could have other issues and just cause the capacitors to bubble again.

Posted on Oct 09, 2009

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