Title kinda says it all.

Basic symptoms/behavior:

TV turns on fine, works fine for anywhere from 5 to 20-ish minutes, then shuts off. Refuses to power on. Disconnecting from power and leaving it off for at least 45 minutes will get it to turn on again, usually with a shorter time to poweroff.

I'm guessing some power component is overheating on the power board, then it's borked until it cools down. Would love any guidance. I've been going through the excellent PDF guides and watching several youtube videos (which is how I found this forum in the first...

Re: New Members - please post your introductions here

Ahoy!

Found this forum while digging around YouTube for toshiba tv repair videos. Dug out my soldering iron last year to fix a Denon receiver that had a soldered-in fuse pop, thought I might try my luck again and try to fix this Toshiba TV that has an issue. The damn thing will turn on and work for about 20-30 minutes before shutting off. Then it won't power on until it sits for awhile, at least an hour. Then it will work for awhile before shutting off. I am guessing some component is overheating, then letting it...