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Problems with the colors on screen

LG 65" OLED 5 years old. What should be bright yellow items are showing up as lime green in the middle part of the screen. For instance football helmets/pants (U of Michigan/Green Bay/LA Rams) show as green, as does the goal posts, 1st down lines, and ESPN graphics. LG Support no help. TV repair says to "bring it in." If a panel problem, the repair may not be worth the cost. Anyone have an idea why this is happening, do I repair or simply address a new TV?

Update (09/22/2022)

LG OLED65C7P. Trying to determine whether it would be cost effective to "FixIt" or to just reach into the wallet for a replacement is becoming more difficult than I expected. Besides the "lime green for yellow" most notable color effect, there is a greenish tint to many images in the middle of the screen (i.e. faces, or a shot of frying egg yokes which are clearly green). Other colors are generally fine which questions whether I just bear the lime images. This problem shows up more clearly in sports. The 1st

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picture attached demonstrates the issue quite well, the 2nd & 3rd show a bright yellow LA Ram field symbol or the supposedly "yellow" goal posts in the back.

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@jfro123 color shift like that is most commonly caused by a failed T-Con board. Yes, the main board and the panel as well but not commonly. Since there are no schematics for your boards it’ll be difficult to troubleshoot. Check things like different HDMI cables snd try all the other video input sources as well. If those all show the same result, I would replace the T-con board first. Even a pre-owned one would be acceptable to me

da

I have exactly the same problem - would be interested. In hearing what you’ve been quoted for a new t-con board and cost to replace.

da

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@jfro123 color issues are usually related to the T-con board. We would need to know your exact model to see which boards are present and in which configuration. It might also help if you post some pictures of what your screen displays. That way we can see what you see. Adding images to an existing question - iFixit Repair Guide

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Have been experiencing the same issue,

After consulting with technical person....he said the main board has to be replaced....which costs around 1,30,000 INR

Issue might have caused due to using of some cleaning liquid on the screen while cleaning it.

Better option is to Replace.

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old post but bumped into it...
Based on image, i dont think its tcon, theres been a bad batch of LED's which turn slowly from white to blue as it ages (the yellow coating on them fail early) which has affeected many brans (similar to the capactor issues in the early 2000's)... lots of info on this on the net, best one ive seen is
https://www.youtube.com/watch?v=NkI-VzzN...
https://www.youtube.com/watch?v=d2nMkvJ5...

Try to talk to tv vendor but if no luck, decide if the effort of replacement is worth it (and risk of breaking screen in process). The parts are cheap, time and risk is for yourself to decide.... (the actual screen panel and connections on the panel by the side is very sensitive)

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Jeffrey Frost sarà eternamente grato.
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