I have a 51 inch samsang plasma with several coloured lines on righthand side of screen that run from top to bottom. every so

Mustangrock12

Estimable
Jun 30, 2014
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Could you link a picture? that might help me out a little more. but The multi-strand ribbon cables for the x-y scans could have some poor connections. The heat at the back of the screen over time has a lot to do with it. Sometimes, inserting a piece of cardboard to press down the ribbon cables at the point where they enter the actual screen helps.