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LG TV switches off then on again, but wierd test have been made...
Hi, my TV is 3 years old, and I’m using it only with :
ANSWERS:
"@chamann could be an issue with the mainboard since this seems to happen in the higher resolutions. Check the larger IC‘s on the main board for anything obvious like loose heatsinks etc. the other thing you want to check is your firmware version. Go through your settings and see which version your TV has and then check to see if there is an upgrade available from LG.
Update (06/18/2021)
sounds like a main board gone bad. Check the IC and post some good pictures of your board with your question. That way we can see what you see.
Adding images to an existing question"
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