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I have a thin vertical line (black) on my Samsung LCD. it runs from the bottom of hte screen about halfway up (appears to have lengthened slightly over time). Is this something that can be repaired/corrected? I have two young kids, and had assumed one of them hit the t.v. and damaged the panel, but based on what I am reading online, it appears there may be other potential causes. Thanks in advance for any help. If I don't have to buy a new t.v., that will be good news...

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Hello,

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 Aug 02, 2010

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