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I have a Samsung model HLS5085WX/XAA. We have black specks all over screen and black horizontal lines approx 4 inches a part all the way across the screen

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Hello,

All Plasma and 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 resetting 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. Good luck in rectifying the fault.

Posted on May 17, 2011

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Posted on Jan 02, 2017

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Hi my name is Roety,
I can help you with your issue ,
If the lines are present on every input you most likely have a bad screen. We usually replace the mainboard first because its cheaper .
Check part prices at encompass.com login as a guest
 
 
If I have helped you with your issue please click accept.
If you have more questions you can still respond until this post expires,
I will reply asap
Thanks

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