The tv itself was manufactured in April of 2021 and the TCon board has a design date of May of 2019....

Not annoyed at all.

I'm learning from all of you.

Important Update:

For some reason, about 10 minutes ago when I disconnected the left-side (aka, the "bad" side) ribbon cable leading from TCON to panel, then I did get the more typical half picture ok and half out response. Please see pics.

As you just mentioned, the side where the picture is out started off pretty white but has been fading to darker and darker shades of gray over the last 10 to 15 minutes....

Thanks for the quick reply.

I thought so too with the panel usually being the culprit when forced to tape off TCON to Panel ribbon traces.

Unusually, though, there are no vertical lines at play and the fact that I can achieve full coloration across the entire screen with a minimal adjustment to the number and position of the trace tape-offs gave me great pause to call it a definitive panel issue.

Wouldn't the fact that I can manipulate the scenario to eliminate the washed-out color effect indicate that the panel itself might be okay?...

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...