Do these look like Bad Pixels ?
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Re: Are these bad pixels ?
not to me they dont! look like something on vid board getting weak! -
Re: Are these bad pixels ?
They look like dirt under or on to of the LCD, or between the diffusers.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Hello,
would someone kindly tell me if the TV panel has dead pixels problem?
I attached the photo, if you zoom it you can see the several dots...
Thanks in advance
Bad_IC... -
Recently my VT65 has started exhibiting sparking/misfiring pixels, it manifests as sparkling white pixels in the black area if there's brighter pixels in the same horizontal area (e.g. the smart viera boot screen, white credits on a black background).
On inspecting the screen closley you can see pixels misfiring in the upper area of the screen at all time, it just gets lost in normal content.
I've tried (without success) replacing the P/SS/SC board (refurbished boards) and re-calibrating the VSUS (including setting it to HIGH) but none has made a difference.
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Picked this one up today.
In addition to falling LED diffusers there is a single line here that maybe a deal breaker.
From my reading on these boards it is said that the issue is likely a sign of failed tab drivers, ribbons or tab bonding to the panel.
Wanted to get a 2nd opinion from you guys before I gave up the ghost.
Great looking TV otherwise.
Is there any tricks I can do to try to save this one?
If so, i'll gladly order a set of backlights and save this one from the landfill..
Thanks in advance
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The title basically says it all. The card displays randomly placed blue pixels on the screen (especially when rendering 3D stuff), the right edge of the screen is garbled in VGA mode, and it sometimes fails to re-initialize on a reboot or when trying to wake up the display. Bad VRAM? Dud GPU?06-06-2024, 07:41 PM
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Problem
This is an LG edge LED lit LCD Display. The LEDs are on the bottom edge of the display. There are 2 bars (left and right) Each bar has many LEDs and a 6 pin connector. Each pin drive several LEDs thus is the highest current flow / heat junction. The weak lead free solder gradually fails with thermal expansion/contraction cycling and increases resistance. PSU will compensate up to a point, then when the current is too high, PSU just shut down the backlight causing a dark display. I have even seen one which the connector just fell off as solder points became completely detached....
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