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The tv after awhile the picture fades and is replaced with vertical coloured lines

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  • GRAHAM THOMAS
    GRAHAM THOMAS Dec 09, 2014

    The TV is a samsung 32 LCD as said the picture fades and I am left with bright coloured lines - vertical, this can happen after 2 hours. Could this be overheating of the power supply board

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  • Expert
  • 295 Answers

If there are colored lines then it could be the inverter's aren't able to continue to power up the screen but are driving these colored lines? Is it an LCD or a Plasma. My guess is a plasma?

Posted on Dec 08, 2014

  • Philip Frye
    Philip Frye Dec 10, 2014

    Graham, unfortunately your issues isn't with the TV's power supply but more with the LCD panel itself. You are correct with the thought its a heat issue as the panel gets warmer it is drawing more power where these vertical lines are displaying. Sorry! Cost more to fix it then to buy a new one!

  • GRAHAM THOMAS
    GRAHAM THOMAS Dec 11, 2014

    Thank you for your time

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: a Plasma TV

Sorry forgot to say ours is an NEC plasma PX42vp4g/s

Posted on Feb 08, 2008

SOURCE: LG plasma tv

Most likely it's the PDP panel wires failure. It won't cost you more to repair then to buy a new one.

Posted on Apr 28, 2008

  • 2 Answers

SOURCE: Vertical colour lines on whole screen

The problem is that the panel has failed. Apparently this is a common problem with LCD TV's between 18 mths and 3 yrs old. If it survives over 3 yrs it is likely to last for a few years longer. The cost of replacing the panel is more than a replacement TV!

Posted on May 26, 2009

dave1645
  • 834 Answers

SOURCE: our tv has vertical lines running through a black

this is a heat realted problem with your T-Con board you should have a tech replace it not to expenxsive

Posted on Nov 20, 2009

budmrtn
  • 11361 Answers

SOURCE: vertical colour bars

The problem is in the LCD controller board is overheated because the power supply unit is at the bottomof the TV and the heat rises upward to the vent on the top of the TV. You can verify that is hest problrm by running TV with the back removed and have a small fan blowing on the top secdtion of the TV where the LCD controller is. This how I fixed my scrambled picture after warm up (I added heat sinks to the IC on the LCD controller board) : http://s807.photobucket.com/albums/yy352/budm/LTV-32W3HD/
You can try it if the board was not badly damaged already by the heat. My has been running great for over a month now.

Posted on Feb 05, 2010

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