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Vertical Black strip just to right of centre of screen

Panasonic TH-50PX80U VIERA plasma tv less than three months old, installed one month ago and run for less than 50 hours has developed a vertical black strip approx 3-4 inches wide just to the right of centre screen.

No warranty as it was bought overseas.

Need self-fix instructions if possible.

Posted by on

  • mjd2 Jan 07, 2009

    How do you check the picture tube?

  • mjd2 Jan 08, 2009

    Thanks but not what I wanted to hear!! Tried unplugging, powering off at wall and re-seating all plugs to no avail.

    Interestingly, we had contact from the local Panasonic dealer (we didn't purchase from him) after logging a support problem on the Panasonic site, inviting us to bring the tv in for service. Fingers crossed he can fix it.

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There is two possibilities that could be causing this problem.

  • The first part that would be needed would be a buffer board. A buffer board handles data transfer from the other electronic board to the Plasma panel.
  • It the did not fix the problem it would be that Plasma panel that would need to be replaced.

Posted on Jan 07, 2009

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Check all the cabling to the set first ... unplug and reseat everything. This sounds like an internal error on the screen though, similar to a bad case of dead pixels on a LCD screen and beyond the scope of the normal home user I'm afraid.
Shop job :-(

Posted on Jan 07, 2009

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Your picture tube might be faulty....check that first and then let me know to provide further assistance

Posted on Jan 07, 2009

  • rockfixya
    rockfixya Jan 07, 2009

    certain instruments like multimeter and soldering iron are required to check it, so u will have to call atechnician to do it for u as doing it yourself may lead to further damage.


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