Hi, I have a sort of old Grundig LCD Led TV that starts to display black horizontal lines after some use. After it's been turned off for a while and cold it does not display any artifacts however after some use it starts to display some faint horizontal lines at the top of the screen and a bunch in the middle of the screen. The longer the tv is on the worse they get until they become very clearly visible. I suspect that heat has something to do with this as when the lines start to appear i notice that the tv's metal case has gotten warm. Could the T-CON start to malfunction when it starts to get toasty? or is this an lcd panel issue? I suspect it's more of a tcon issue as the lines are horizontal and not vertical. Thank you!
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LCD Tv starts to display black horizontal lines after half an hour of use
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