Vertical lines on Tv

TCL 65 inch 4 series randomly started having whiteish lines on the screen. What's wrong/what do I need to replace to fix this? Is this LCD or T Con damage?

Block Image

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crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0