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Rca r52wh74 shut off by it self

Unplug it for for a day works for about 45 min and shuts down again before i did it shut off about every 10min onetime it shut down and turned back on but my colors were all off

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  • coolduke68 Jan 27, 2009

    tv flikers

  • coolduke68 Jan 27, 2009

    no capacitors look ok

  • coolduke68 Jan 28, 2009

    is it something i can replace

  • coolduke68 Jan 28, 2009

    dont look or feel beveled

  • coolduke68 Jan 28, 2009

    how do you check to see if it the power supply

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1. Check the power chord and the power source.
2. Disconnect all the cables and put the cables back.

As the TV is automatically shutting off, this means that you could be having problems with the deflection board, high screen current will cause the set to shut down very quickly.

You need to get the power supply replaced. Get in touch with some local tv repairman.

Thanks

Posted on Jan 28, 2009

  • Indrajit Roy
    Indrajit Roy Jan 28, 2009

    The power supply is inside the TV near the power supply board. However, you have already given Fixya to a different expert.

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 Remove the back panel from the television, you will see a board where the input jacks are located. To the left you will notice a red power wire. Just up and to the right approx 7" or so you will see a [_] shaped metal shield surrounding a capacitor in the middle of it. The part # on the board is CP150. It is a green/gold 16v 2200uF capacitor. More than likely this capacitor is faulty. Run your finger over the top of the capacitor, if it is beveled rather than smooth you have a definite solution to your problem. You may need to remove the plastic piece that covers the transformer to the left of the capacitor to gain easy access. Good luck!!

Posted on Jan 27, 2009

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This could help try replace 3 capacitors cp150 2200uf 16v If it is puffed up on top it is bad ,need to replace 2 more caps cp120 cp114 220uf 35v they are green with gold writing on them.

Posted on Jan 27, 2009

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Do you see any problem in picture when TV goes to shut off?
I need to know what kind of picture distortion comes when TV turned off.
Thanks.

Posted on Jan 27, 2009

  • Shahid Electronics
    Shahid Electronics Jan 27, 2009

    OK, TV Picture Flickers.
    Problem can be few weak capacitors in power supply and horizontal deflection section of TV.
    If you are familiar with TV repair and have knowledge of basic electronics then give a try to check any leaky or top bulged capacitors in TV boards and replace them with same rating capacitors.





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This problem is caused by a shorted power supply, the heat of operation causes it to short, then when it cools the short goes away, when all is said and done u will spend around $600 to get it fixed and still have an old TV, the new LCD's are not much more money, save yourself the hassle and replace the set.

Posted on Jan 27, 2009

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