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Our TV is making a strange background static noise

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Most of the time flat panel tv's start to make strange noises when they get clogged up with excess dirt or dust. Take an air compressor and lightly blow out the back of the tv where the dust has accumulated. This needs to be done every other month to keep it in good working order. If this doesn't work then the interior light needs to be replaced and while you're doing that you might as well blow it out to keep the new bulb from having to be replaced a lot sooner than needed.

Posted on Jan 08, 2013

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Posted on Jan 02, 2017

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SOURCE: green/ red pixels on screen. tv making annoying

If the unit has not previously had the PSU or Y-SUS boards replaced prior to this issue. Then it sounds like the voltages are off on one of those two boards. There is a process for checking those voltages and trying to adjust them. If those boards were recently replaced I would say the tech did not check voltage accuracy. But if it just happened out of no where go with the Y-SUS board as the problem. I say that because the unit powers on.

Posted on Feb 20, 2011

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