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Blank screen on LCD TV

My LCD tv powers on ok but the screen remains completely black. I have used a flashlight to see if there was anything displayed on the screen and sure enough there is a very faint image when pressing the menu button etc. I was looking to replace the faulty part(s) but I'm not sure which to replace. Any help would be greatly appreciated!

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  • Master
  • 1,727 Answers

Either the backlight power board or the power board itself isn't powering up the backlight power board

or your backlights are burnt... this is where testing comes in

Posted on Dec 30, 2013

  • Richard McSorley
    Richard McSorley Dec 30, 2013

    Thanks for the reply :) Unfortunately I lack any sort of testing equipment and I've been quoted a ridiculous price to even just have it looked at. I may just gamble and replace the power board as I found one online for a reasonable price... thanks again!

  • Behind_Blue_Eyes
    Behind_Blue_Eyes Dec 31, 2013

    actually take it apart and google blown capacitor... then slowly look... also go to harbor freight, purchase a $5 multi meter, google how to use it and you would be amazed. If it's broke then you have two choices. fix it or throw it away

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SOURCE: JVC LCD TV LT-42X688-powers on, blank screen. no picture,no sound

You most definately have bad capacitors in the power supply. try and get it repaired as soon as possible, not an expensive repair that iv'e seen.

Posted on Feb 04, 2009

  • 1 Answer

SOURCE: sound works but no picture. black screen

I've had the same problem. Usually, if I turn the TV off and then back on again, it's fine.

Posted on Mar 05, 2009

  • 1779 Answers

SOURCE: 47inch toshiba lcd tv (HL167) black picture, but

Best to replace both at the same time . Yes they are easy if you can find the parts.

Posted on Dec 15, 2009

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