Question about Pioneer PRO-520HD 53" Rear Projection Television

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Pioneer Elite PRO-520HD POPS the SHUTS OFF

Do you have any idea what could be wrong?
I watch for about an hour then it pops and cuts off.
I hear a clicking sound. After the clicking sound I can turn the set back on and maybe watch for another 1/2 hour then the same thing all over.

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  • Pioneer Master
  • 8,617 Answers

It could be a couple of things doing it. The lead on the CRT , The Flyback and or splitter are just a few of the things that come to mind. be careful as thats high vorage and a arching CRT or Flyback lead can be very dangerous . It is usually best to callm in a professional for those kind of repairs and diagnosis unless your a skilled technician , let a repair shop handle the problem and be safe.

Posted on Jun 13, 2008

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If rear cover is removed--can be done by removing entire front screen but there are hazards like damaging the screen---with rear cover removed clean the lens in the three round cyclinders which point up and are hard to miss===

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It is most likely just solder connections on your power supply. If the only diag LED that lights is on the supply, then thats usually the case. You can unplug the set and remove the supply to fix it with a little soldering. You have to remove the metal board supporter from the bottom of the board and solder quite a few connections. Look for cracked connections on the power connectors to the rest of the set, and also connections on the main transformer. If you need soldering experience, get a kit at radio shack and build a little project to get some practice.

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1 Answer

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FUNNY.... cause I just started having this problem also... I have had this TV since they first came out. LOVED it.. now I HATE it. I can watch for about an hour then POP the TV shorts.
wait a couple of minutes and you can get maybe another hour until POP again!

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