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Horizontal colored lines on Samsung CW-29Z404N

I have 5-6 horizontal colored lines on screen in upper half .
What part I have to replace?

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Is about c 304 ,100uF/50v. i fix it and it works.

Posted on Dec 29, 2009

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Posted on Jan 02, 2017

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SAMSUNG - UE40F6670 LED TV - I have thin black horizontal lines appearing in upper half of screen. They get lighter as the TV warms up but don't go away.


IMPORTANT: Horizontal lines on the screen are virtually NEVER caused by a bad T-con board. Horizontal lines indicate a defective LCD panel (screen). Check ribbon connectors coming from screen and the T-con board first but likely the Panel.

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The t con board or LCD panel of the tv is faulty. Can confirm by replacing the t con board.
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Jan 26, 2016 | Televison & Video

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Horizontal lines samsung lcd tv, then more horizontal lines, then complete static out, TV restartes itself. after a 5 minutes or so, it seems fine.


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

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My led samsung tv has a horizontal line and the upper right corner shows a white vertical lines


Not good. You may have a tab failure. A repair shop may be able to diagnose and repair this, but most likely the lcd panel is broken. The panel is the most expensive part of flat tv's. A new panel will cost more than a used tv.

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My SAMSUNG PPM42M6H screen has horizontal grainy lines at the top of screen measuring about 7 inches and from right to left. Lower half seems OK. What should be done or replaced?


Check the ribbon cables in side the TV that connect to the panel. They are the left side looking at the back. Make sure they are all seated propporly. If that does not fix, then your Upper Y Buffer board needs to be replaced.

Apr 10, 2012 | Samsung PPM42M6H 42 in. Plasma TV

1 Answer

I have a 5 yr old Samsung HP-R5012 Plasma Display Television. A display model. Last night, horizontal lines appeared, then, the top half of the screen went black, with color pink and blue surrounding the...


Hello,

All plasma an lcd TV 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, but it is very easy to wreck em.

Good luck.



Aug 11, 2010 | Samsung HP-R4262 42 in. Plasma Television

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