75r648 TCL 8K Mini LED White Horizontal Lines
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by thstuffThis "free from a friend who was going to recycle it" SONY BRAVIA XBR-55A8H arrived with the bottom center RED LED repeating a four flash pattern. It was treated with kid gloves and was reported to have "just gone dead" and the OLED panel has no dents in the metal frame or cracks.
Thread https://www.badcaps.net/forum/showthread.php?p=1091829 helped in proceeding as follows:
1) Unplugged, then plugged set in while holding the remote VOL- and Power to factory reset.
2) Waited 30 seconds, then pressed remote Power button and "Select language"...01-30-2023, 05:01 PM -
by krstaI found P1 Mini Pocket Projector in original box without remote on the street.
Charged the battery and when powered on noticed 1, 2 or 3 distorted horizontal lines.
I havent opened it yet, the warranty sticker in unbroken.
I was wondering if anyone knows what the source of the problem could be, maybe a known issue. Take a look at the attachments.
Thanks.... -
by ggil44Hi, I have a Sony XBR-65X750D that has horizontal lines at the bottom 6 inches of the screen. These lines appear to be every other line because the picture is still quite visible behind those lines. The lines appear all the time with a few other lines above and below the 6 inch level blinking on and off at about 2 second intervals. I'm not sure if this is a panel issue or power supply/main board problem. I did replace the T-Con board without any change in the problem. Any suggestions you might have would be greatly appreciated. Thanks,
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by noisykid5.5 year old 85 inch Sony Bravia X950G started showing gray horizontal lines across the bottom of the screen and the picture shifts slightly vertically when it happens. The lines sometimes get bigger/smaller vertically and bounce back. See the video for the problem. It seems to be happening after it warms up after an hour or so. Happens regardless of source. Right now there's nothing but power cable connected and it's happening. We did hook up a new Nintendo Switch to our HDMI switching receiver today, and played for a while with no issues, but this problem didn't occur til a few hours later while...
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by reaper422Hello,
I have a problem with the Dell monitor whit LCD Panel MV270FHM-N20
that starts with a normal picture but after three or four seconds of work, it starts to draw horizontal lines progressing from the bottom to the top.
The power supply generates stable voltages.
The power supply of the matrix is 5 volts, which is also stable.
I don't think normal sounds can be heard from the LVDS board.
After measurements are made on the test points on LVDS, the measurements are
VGH 23.7v
AVDDS 11.7v
AVDD 11.7v
VOFF -7.7v
VGL...-
Channel: Troubleshooting Computer Displays
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