Hello Everybody, is there any way to find out what led strips are in a panel by referring to the panel numbers or model numbers? taking these tv's apart twice is getting old...
What LED Strips are in a Panel
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Re: What LED Strips are in a Panel
Shopjimmy usually has the panel part number listed. https://www.shopjimmy.com/lg-6916l-1...ight-strips-8/
You can search the part number on Aliexpress once you find it.
I find that the LB series mostly use the same strips for the screen size (thick fat lens with push down connectors). I have seen some LN model use LB style strips.Comment
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by howardc64Failure Symptom
No picture, just red vertical stripes. Google search shows quite common problem for these recent Vizio M series although red vertical stripe pattern may differ. Some call it "Netflix" boot screen haha.
Where is the short?
Panel has 4x buffer boards. Quickly found the 1/4 panel buffer board with the problem by selectively disconnecting buffer board flex cables.
Having recently fixed another Vizio with similar symptoms that was a shorted ESD diode array ( link ) Probed the ESD diode array but... -
by mecha1166I have 2: 75UK6190 units. One has a broken panel - it lights up and shows a bit of graphics. The other LG tv lights up but has no video. Turns on/off ok, and I swapped all the boards to check them all. I exposed the strips on the bottom of both panels. I tested the caps along the LED strips on the bottom of the panel. About 12 smd cap chips on the tv with no video, test shorted. I talked to LG tech support but they do not repair to this level, they just replace the panel. Now, there is a Philips mainboard that a smd capacitor chip shorts and causes a squeal from the power supply, and the fix is...
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by howardc6449UJ6500 LCD panel has a lighter band on top when first powered on. Goes away (or gets much fainter) after TV on for a few min. After powered off for awhile and power back on, same band appears. If powered on immediately after powering off, no or much fainter band. Running the latest firmware.
Disassembled the TV and lifted the LCD panel during testing. Band is on the LCD panel (can see the band on the panel as I lift it slightly) Backlight is perfectly even at the top edge. Double checked LCD panel alignment in the frame and is perfect but since band moved with the panel, its on... -
by triplefourTV flashes backlight then reboots over and over. no image. Client said it used to have image for a bit before rebooting. Got worse over time.
tcon is built into mainboard.
Only one cable goes to panel boards.
there is a cable from one panel board to the other that links them.
cost cutting measure that results in us having harder time to diagnose.
removing the link to the second panel board allows TV to stay on with stable backlight but no image.
used cut off tape method to mask 1 maybe 2 pins on the side of the cable that goes to that second panel board.... -
I had a the above tv qn55q60r that had a bad panel but everything else good. I had another panel here from un55nu6900 with bad leds and melted diffusers.
I put the nu6900 panel in and powered it up and it does work but there are lines vertical lines.
I was trying to change the panel type in the service menu but don’t see my exact panel. Anyway to fix this or someone have similar experience.
the clear picture is the panel type from the service menus on the nu6900. The other 1 is the panel type that was set for the q60r with the bad panel....01-13-2024, 01:57 PM - Loading...
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