> 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. >

> 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_20878_16349024182006943.jpg 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.