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Vizio on the fritz

Hi all, I have a vizio p50, last night was watching ok then heard something pop inside tv, image got dim
and menus and on screen display got very slow.
Now it wont even turn on, could the power supply cause this? this tv would every now and then have a constantly clicking relay and not turn on. Any input would be apreciated

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  • ajt9170 Mar 16, 2008

    p50hdm plasma

  • ajt9170 Apr 07, 2008

    thanks bobbyj!! replaced the board and everything is back to normal.
    I checked visually all components & with ohmmeter checked all diodes on the board and found nothing wrong, so I'm assuming that one of the IC"S under the heat sinks is fried, surely because of over heat. So I added a small power supply fan on top in between both heat sinks and wired it to the stock fans, to help in the cooling, will add one to the ysus in the future. Lets see if this solves the 18 month brake down hump on these units.
    Thanks again
    AJ

  • Robert Johnson May 11, 2010

    what is the full model number? is this a plasma tv?

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  • Expert
  • 395 Answers

Replace the Z sustain board part # 6871QZH044C.

Posted on Mar 16, 2008

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