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Black line on Panasonic Plasma

Hi I have a vertical black line about 1-1.5 inches wide on my Panasonic plasma tv. It is located about a third of the way across the acreen and runs from top to bottom. It also has traces of colored lines running up and down inside it.

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  • Aleko Nov 21, 2007

    Horizontal black line on brand new Toshiba 32'' LCD TV. It will stay right in the middle permanently.

  • Turfy Dec 25, 2007

    I just bought a 50 Inch Panasonic Plasma 50PZ77U.  I have a line running up and down in the middle of the screen.  It is not any color specifically it just bleed other colors into it when they pass by on the screen.  As well this does not happen on HD channels.  I thought it might be my Star Choice Reciever.  I really hope it is not the TV!

  • scoobygan Dec 27, 2007

    This has just happened to my Panasonic too. 3 inch thick vertical black line, with a strand down the centre of it which is red/green.

    Any ideas?

  • kimba2162 Dec 30, 2007

    Same problem, vertical black line one-third the way over on the right of screen, about 3 inches wide. Prior to this the video would go out occasionally and come back on after a few minutes, successively getting longer downtime each occurence. Philips should replace or offer credit towards newer model.

  • Quarrynet Feb 12, 2008

    I have a 27 mm wide black vertical line 30 mm from the left and extending down to half way. The panel is NEC 42MP4 and just over 4 years old with about 4000 hours use. This I am advised is the result of a faulty/failed vertical IC which is built into a ribbon cable that is bonded to the glass panel at the top. The problem for the individual or the average Joe repairer, is in how to remove and replace the multi wire ribbon cable and IC circuit without specialist equipment. The public should be advised that this unserviceable item can be more detrimental to performance than failed pixels on which, until now, the industry has focused.



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Posted on Apr 28, 2009

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All lasma an lcd ts have boards that control vertical and horizontal output to their respective areas. They are connected to the screen by ribbon cables. If one of these boards fails all together, has a failed chip, a bad connection, or a bad ground somewhere it will result in a black line in the area of that board. A bad ribbon cable connection on the bottom will result in a vertical black bar though the screen. Many times reseating the connection will fix it, if the ribbon cable has been nicked there could be a severed connection. They an sometimes be fixed, but it is a pain. An yes I have done it, but the bar is gone. The same will happen if the chip that outputs to that area opens. The connectors are the first place to look paying close attention to the cable, they are extremely delicate so great care must be taken if you decide to tinker with em, the usually have lift locks that release them, but it is very easy to wreck em. Good luck.

Posted on Dec 11, 2008


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