Question about Samsung LT-P578W 57 in. LCD Television

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Verticle lines on screen

Has lot of black verticle lines across screen

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  • wwjd20001 Oct 08, 2008

    maybe i didnt tell u the correct tv i have its a 52 inch hdtv lcd samsung

  • wwjd20001 Oct 08, 2008

    does this make a difference

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  • 116 Answers

Its the ic problem.on the board.

Posted on Oct 08, 2008

  • 3 more comments 
  • mastermind10 Oct 08, 2008

    It depends where the line is centered most, to the right or left of the center, there are buffer boards that control the vertical video, on the bottom part of the unit if you take the back off and look at the bottom part of the set you will see these address boards, they are usually about 2 inches wide and could be labeled J or K, if the unit is High Definition then you could have these buffer boards on the top part of the unit also

  • mastermind10 Oct 08, 2008

    it also happens if The Graphics Card is broken or cracked.

  • mastermind10 Oct 08, 2008

    You must have a CRT. What happened is that the vertical deflection circuitry has gone out or the yoke has failed. You see this line because the gun isn't scanning the sceen to paint a moving picture. Instead, it's just tracing back and forth in one spot. I have some clue about this because it was one of the most classic problems back in the fifties and sixties, usually indicating the need for a new electron valve or two. The problem still crops up, but transistor's reliability have made it rare enough that the average younger TV owner hasn't heard of it.

  • mastermind10 Oct 08, 2008

    also try this before reparing.

    try disconnecting it from the wall for 15 minutes, disconnect all inputs, then plug it back in - do not reconnect any inputs. Turn it on and see if the line is still there. If yes, then off to the store you go knowing its a fault in the guts of the unit. If no, then reconnect the TV input and see. If it reappears then the fault is the signal not the TV.

  • mastermind10 Oct 08, 2008

    you can try.

    hope it works......

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