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My set keeps shutting off by itself. This seems to happen sporadically, meaning that I could be watching it for 15 minutes, or 2 hours, and it will shut off. At this point I cannot turn it back on, but usually if I wait a awhile I can then turn it on for a length of time. This has been happening since I moved the set to a different house. I am curious what to do, or what part in the set has gone bad...please advise? Thanks.

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  • Nathan OBrien
    Nathan OBrien Feb 23, 2009

    I have been advised by local technicians to let the set die completely before attempting to repair. This seems wrong, couldn't this create more component failures? Also, one suggestion was that possibly the set was staticly shocked while moving the set which potentially fried the power board? Any thoughts?

  • Nathan OBrien
    Nathan OBrien Feb 23, 2009

    If it is overheating, what should be repaired, or replaced?

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Hi, your power board has failed. this is the cause of the repeated power off/on. it will need to be rebuilt or replaced. it will cool of for a min then it is able to restart. this is a sign of over heating that is occurring in the power board. its blown.

Posted on Feb 23, 2009

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  • Michael Masters
    Michael Masters Feb 24, 2009

    The board has already met its maker so, i would replace/repair this first. you can do a test on the cooling assembly with a voltage meter to see if the fans are operational. if they are not working, you will have to replace them as well. this will fix the issue.

  • Michael Masters
    Michael Masters Feb 24, 2009

    The dominate issue here is the power board failure. most defiantly.

  • Michael Masters
    Michael Masters Feb 24, 2009

    replace the power board and, if necessary, replace the cooling assembly if needed. i would test the integrity of the cooling assembly before you replace it. it may be fine.

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I've had a TV just like that, it was a projection TV too. I had to replace 3 fueses and 2 relays in the TV. It worked great after that. Hope this helps.

Thank you for using Fix Ya!

Have a great one!

Posted on Feb 23, 2009

  • Frank Simard
    Frank Simard Feb 23, 2009

    Like antiochpc said it could be the Fans or even the Power Board.

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It could be overheating; the fans may have stopped working. Or the power board could be failing.

Posted on Feb 23, 2009

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