Question about Samsung LN52A850 52 in. LCD HDTV

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1/3 of the screen had different color lines - Samsung LN52A850 52 in. LCD HDTV

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Possible physical damage or the LCD panel needs to be replaced

Posted on May 28, 2010

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What's wrong when I turn my tv on I have sound but no picture. My screen isn't black. It's white with different color lines running up and down the screen.


If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size. Search the site by type in the "Line fault" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

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White screen with colorful lines


If this is a touch screen it is broken. It is probably not cost effective to replace the screen.

Apr 13, 2014 | Nextbook Tablets & eReaders

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My flat screen tv has different colored horizontal hold lines across my screen. Where is the button for horizontal hold?


Those colored lines are a bad panel. Is no button to make them go away. The only fix is to replace your panel. Would be more cost effective to replace the TV.

May 06, 2011 | Dynex DX-LCD37 TV

1 Answer

Vertical lines on screen different colors


The problem is the LCD panel or the logic PCB (printed circuit board). you can find the logic pcb attatched via flat ribbon cables or small plugs. Good luck. The part number should be on the printed circuit board. I hope this helps.

Nov 16, 2009 | Toshiba 42HL196 42 in. LCD HDTV

1 Answer

Different lines of color appearing at the top of screen


Connect an external monitor to your laptop. If the problem appears only on the display of the laptop and not on the external monitor (in the same time) that means the video card is ok and the problem could be: the screen of the laptop or the invertor or the cable that attaches the screen to the motherboard. If the problem appears on both screens, external and laptop, most probably the video card/motherboard is defective.
Have it checked/repaired by a professional.

Oct 08, 2009 | Fujitsu Siemens Computers & Internet

1 Answer

Noticeable line through screen picture sony KDL-40V3000


TRY USING THE COLOR CONVERSION OPTION ,,ITLL FIX THE COLOR

Mar 07, 2009 | Sony BRAVIA KDL-40V3000 Television

1 Answer

Colored lines on screen


This may be caused by the death of a display driver circuit and these might be integrated with the display itself. 
The pixels on the screen are controlled by an X-Y matrix and the matrix may have signal lines that are somewhat shared for different screen positions.
I doubt that this is DIY project and the failure can only be located by an equipped and trained tech. 

Feb 02, 2009 | Proview PL913S 19" Flat Panel LCD Monitor

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