You can put it on Youtube and share. However if a reset doesn't cure it, all models today are not user serviceable and 32 inch models are found all the time for 99USD. With service counters at a min 150USD here unless you find resetting works, I'd consider moving on.

https://www.google.com/search?q=TKL3297S finds lots of posts about broken ones and parts so again it looks like you read those and hope or just go shopping.