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.
SOURCE: LCD TV SCREEN PROBLEM RED HORIZONTAL LINES OF DOTS ALL OVER SCREEN PLEASE HELP
This should be repairable. It may be the LVDS Cable or the Main board problem. The only other problem is the T-Con Board.
SOURCE: I have a horizontal line going across the picture of my tv.
The panel is bad and will need to be replaced.
SOURCE: 2 horizontal blue lines on samsung 50 plasma tv
Possibly could be the Y buffers --if the are next to each other could be a bad connection on a ribbon cable ---you need to call for service
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