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Reasons for vertical lines on the screen?
I have vertical lines going across the screen of my tv (Sony 55xbr8). They are white in color and not always fully connected. Can anyone tell me where this problem is coming from or what I need to check? I have opened the back and cleaned out some of the dust and reconnected some of the cables but this did not help. Would this issue be related to the t-con board?
ANSWERS:
@blue1234 what do you mean by this “and not always fully connected.”? Post some images of what your screen shows with your question. Vertical lines caused by a bad main board or a bad T-con board will always go all the way vertical. Lines the way you describe are most commonly found with bad panels. Let us see what you see so we can make a better determination Adding images to an existing question
We just had a problem on our KDL-55XBR8. Ours were green vertical lines and we could only vaguely see image in back. Sound was fine. After talking to Shaw and ensuring cable box and all our lines were okay, they said it was our TV. I found my notes on a similar problem in the past. By selecting Custom the picture was there but very poor quality. The standard, vivid and cinema modes were not working. By changing DRC Mode to off, for each of standard, vivid and cinema modes the picture came back for each one of them -very good quality. I did this correction years ago with the same result but somehow the change went away not sure why. We just moved the cable box and the green lines came on. So we did not suspect the TV.
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