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Solution?I have the same issue!
I am trying to fix this Vizio M370 with the same problem as in this post.
Unfortunately no solution was posted!
Symptoms:
Thin off white horizontal lines across the screen.
Where there is text on the screen, there are bright white (smeared) vertical lines.
The screen freezes every 2 seconds.
Screen looks fuzzy/noisy and then looks clearer during the momentary freeze.
L&R sides of screen look the same (Symmetrical)
I measured the power supply voltages ...all appear to be ok All voltages present!
I disconnected & cleaned and reinstalled the 2 large ribbon cables going to the lower screen PCB... No change!
2 Large ribbon cables connect to the main video board (not to T-con board).
Does this sound like it is the main board?
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