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by Tade0 1348 days ago
> Oh, is THAT what that is.

That is at least the explanation I got on some obscure forum where someone else had a similar problem and it was caused by heat.

> is the tape oriented diagonally?

Worse - it's a multi layer sandwich of filters etc. which need to be perfectly aligned for a clear image:

https://www.azom.com/images/Article_Images/ImageForArticle_2...

Funny thing is in my case the hottest part actually remained ok - it's the surroundings that got, for lack of a better word, ruffled.

I've seen videos of Indian repair men disassembling a panel and putting it together to fix such issues, but IIRC only the back light ever came off.