Question about Projection Televisions

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Sound goes off

I have a RCA P60752EB rear projection TV. The sound goes off in 5 to 15 seconds after I turn the TV on. When I play a dvd or listen to a CD or FM radio the sound stays on! I have the TV hooked up to a RCA RV3791 home theater amp. Whether I have the TV playing thru the amp or have the amp turned off the sound still goes off in 5-15 seconds.

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I think it may be due to bad solder joint.
Have you tried hitting it sharply on the side of the tv .
If that brings the sound back then a bad joint is your problem.

Posted on Nov 21, 2008

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Unplug the tv first from the electric power outlet. remove all the connections from the back of the tv.then plug only the televisions wire in the power outlet and then adjust the required sound and then check out.

Posted on Nov 21, 2008

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If this happens only when you are watching TV, then it is a faulty tuner board.

If it happens on both TV and external input then it is a faulty audio board.

Posted on Nov 21, 2008

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