Got this Haier 55E5500Ua 55" LCD/LED HDTV with the right side of the display darker with temporary image burning. Please check out the pictures. Is this a failing LCD panel? thanks for the help
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Re: Haier 55E5500Ua 55" LCD/LED HDTV - Bad LCD Panel?
Probably. The issue may be possible to rectify if it is a panel that has a column of tabs on both sides of the panel.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. -
Re: Haier 55E5500Ua 55" LCD/LED HDTV - Bad LCD Panel?
Thanks for the reply, tom66. What should I look for on the side tabs?Comment
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Re: Haier 55E5500Ua 55" LCD/LED HDTV - Bad LCD Panel?
If it has side tabs you may be able to remove them on the bad side. This may fix the problem or permanently destroy the panel. Unfortunately it is a fault that usually cannot be fixed if this does not work. See here:
https://www.badcaps.net/forum/showthread.php?t=48477Please 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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Re: Haier 55E5500Ua 55" LCD/LED HDTV - Bad LCD Panel?
The picture that show the test pattern looks pretty good as in no horizontal or vertical issues. The darkness is likely caused by that side not getting proper powering. IF this panel has no side edge boards with tabs but just tabs themselves, they get their drive from the bottom corner / edge board. You might find a SMD component in that area in trouble. If not potential a track in the edge of the panel itself having an issue.
Ultimately, if neither of these are found, the panel maybe saveable by removing the tabs along the trouble side... if indeed they exist.Comment
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Re: Haier 55E5500Ua 55" LCD/LED HDTV - Bad LCD Panel?
thank y'all for the info, I'll open her back up and check for the side tabs issue.Comment
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49UJ6500 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... -
TV 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 -
I have a TCL 55P6US with sound and backlight but no picture. This model does not have a T-CON board, and the right (rear perspective) panel board is fed from the left panel board. I have not been able to induce any change by disconnecting the secondary panel board or the tape cut-off method on the primary board.
There are a bunch of voltages missing on the panel boards. I can't find any shorted caps of the panel boards, and all of the missing voltage rails read in the kiloohms, which leads me to suspect the issue may lie on the circuit board, rather than a short in the panel.
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- Prior owner tried a replacement main board. No difference.
- Samsung 2x red blinking standby LED = panel fault
- Jumpered FB_TRDY_1 (pin 1 CN1300 left. main tcon->left side buffer boards) and FB_TRDY_3 (pin 95 CN1301 right. main tcon->right side buffer boards) This allows testing individual T-Con (on main board) connection to panel on this Samsung. Found fault on left side (viewing from rear of TV)
- Each side has 2 buffer boards, disconnected left side flex between 2 buffer boards. Fault is on the left most board.
- Tape masking eventually isolated to CN1300 pin 15 (CKV4_GOA) Display
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