Rca L32hd32d washed out, inverted colors

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  • dbuergi
    MacBook Pro A1990 820-01041A strange / inverted colors and faded look on display
    by dbuergi
    Hi all,

    i got a A1990 which shows strange colors. Sometimes looking faded or like a water mark and only visible when the cursor moves over the spot. With an external display everything looks fine.
    So is there anything i can do on my own to fix this issue?
    It doesn't look like the flexgate macs i have seen....
    2 Photos
    09-03-2024, 06:39 AM
  • ojmc
    Hisense 65H6570G - Color inverted after replacing LED backlight
    by ojmc
    Background:
    • Hisense 65H6570G stopped working and I root caused to a burnt out LED in the backlight. (For anyone interested the power light pattern when the backlight has gone is 1) two long flashes, 2) a very short third flash, then 3) back to solid red )
    • I replaced all 6 of the backlight LED strips with these replacements: amazon
    • The TV worked again perfectly for ~2 weeks.
    • After that 2 weeks the colors became "inverted". The TV powers on and shows the boot screen in correct colors initially (aqua hisense logo on black background, pic on the left) but a few seconds after boot
    ...
    10-17-2024, 02:29 PM
  • x_orange90_x
    LG 55UP7000PUA washed out and dim
    by x_orange90_x
    So I've got this 55UP7000PUA that has a very washed out and dim image. I've played with all of the settings, turned brightness to 100 as well as panel backlight, made sure no eco settings are on, etc. It looks like the backlight is at 50% or even less. I've been reading online that this is a pretty bad model with poor contrast and image retention issues, but I haven't seen anyone say it's dim like this. I've seen quite a few LGs with bad backlights before and they are usually blue. This doesn't appear blue, just washed out and dim. I've likewise never seen ANY backlights simply dim as a failure....
    11-07-2025, 05:43 AM
  • kca
    LG 82UN8570AUD ~ TCON or PANEL?
    by kca
    Hello all ~

    Hope this finds you well. This LG 82UN8570AUD (April 2021 model) 4K UHD television has full audio capabilities but video is compromised / problematic.

    When I picked up this large LG tv it had a full black screen upon startup. Previous owner said it just went black one day. No popping sound or anything else of note.

    I got the display to work by taping off several traces of the right-hand side ribbon cable on the TCON that leads from TCON to PANEL. However, despite dozens and dozens of attempts to find the right combination / range of traces taped...
    08-31-2025, 06:38 AM
  • silikon77
    Philips 70PUS7855/12 bad colors when applying the tape fix on teh T-con board
    by silikon77
    Hi!
    Got an 70 inch Philips tv model 70pus7855/12 from scraps and I decidet to give it a go. I'm an enthusiast but no porfessional in the electronics.
    Found some advices watching youtube nad came up with this:
    It came with no picture, after diagnosing it I found out that the right side of the T.con board was faulty.
    I taped down the clock signals and I got a picture but the left side of the panel has less pronounced colours. Only the right 3rd side of the panel has good colors.
    See attached picture.

    I tried a few combinations to block individual clock...
    1 Photo
    01-02-2025, 02:26 PM
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