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Vertical 5" wide dark band in middle of screen

55" samsung smart series 7

Posted by Ed Thadeu on

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1answer

Samsung Smart TV UN55JS850DFXZA TH01. Why is there darkness in the middle area of the screen and two large vertical lines on the right side?

I would guess the dark areas are from bad lamp strips, the vertical lines could be a bad t-con board or a bad panel but the 2 most likely are not connected
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1answer

Why does my TV show discolored vertical bands and can I fix it at home?

The T-con board controls the picture elements on the screen. Usually replacing this board will solve the problem. If you can touch the screen and the lines disappear and later reappear, that says the screen itself is defective. The only fix is to replace the entire screen.
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1answer

Bottom of screen purple "haze"

Check the site linked below, and see the screen shots of defective LCD TVs, Surf it with patience. This should be a panel fault I assumes. http://electronicshelponline.blogspot.com/
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1answer

Dark Band on Samsung projection TV

most likely optical engine issue----bad light engine.
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1answer

The screen has colored vertical lines and becomes to a dark black band about 6 inches of width.The tv is exactly two years old by today.

My 3-year old 52-inch Toshiba flat panel TV (Model # 52RV53U, Serial # AM409000295) developed a display problem (purchased Aug. 2008, manufactured July 2008). Vertical multicolored lines appeared on the screen just left of center. The band of thin vertical bars is 5.5 inches wide. The lines are about 1/16-inch wide. They are stationary, always exactly in same place. They over-ride any other picture on the screen (no transparency). They are there all time even with no video inputs to the TV after the unit is turned on. See picture #1. The TV works well in every other respect, but, obviously, it is annoying to watch the picture with the color band blocking about 1/6 of the picture.

Further info, pics, comments, and updates on my Facebook page at

http://on.fb.me/mVwhVN

I already swapped out the TCON board with no improvement and replugged the TCON board cables with no improvement.

Most likely it is the flat panel tab bond failure (panel made by Samsung). Further solution updates will be on my Facebook page.
7helpful
3answers

I have a 2inch wide band down middle of screen on

1) Have you installed new drivers or software or drivers? If so, remove them and restart the computer.
2) Try applying pressure with your fingers on top of the screen. If the band dissapears or dimishes, you may have a broken screen and it will need to be replaced.
0helpful
1answer

Vertical black band down middle of tv screen

If you are able to see a complete picture though darl in the middle where the band is I would suspect a back light problem or an image processor problem, if the band is totally dark(dead pixels) you can not see a picture in the same area then you have a defective screenand has to be reolaced.
2helpful
2answers

Two inch wide vertical band spreads across half of screen

this is a problem is your scan section either letf or right scan boards are bad. if its under warranty take it back if not it needs to be serviced. you can probably do it yourself.
1helpful
1answer

Dark band 6 inches wide middle of the screen

YOU MAY HAVE A DEFECTIVE Y DRIVER BOARD OR A RIBBON CABLE THAT HAS COME DISCONNECTED. THIS NOT USUALLY THE PANEL SINCE THE PANEL DOES TURN ON. TAKE IT TO AN AUTHORIZED SERVICER.
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