My daughter has an old Samsung LN-T4661F with intermittent black lines (almost clouds) and pixelation running horizontally through the picture. The amount of lines fluctuates greatly but they tend to calm down as the TV heats up. Any ideas?
I apologize in advance of the horrible quality of the pictures and videos - daughter's handiwork.
I apologize in advance of the horrible quality of the pictures and videos - daughter's handiwork.

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