Have TV Questions? Ask a TV Technician
Hello, My name is ***** ***** I'll be assisting you. I'm sorry you're having problems. In order to assist you, I need to ask for more info.
1)Roughly how old is the set and when did the issue occur?
Based on the model series, I would say the set is over a year old- correct? Please let me know when you're able to see my reply.
Thank you for the reply. Unfortunately, I have seen this issue many times and it's a fault occurring with the Mainboard of the TV. This board processes all of the remote commands, the apps, and the turn on/off commands in the set. Unfortunately beyond unplugging the set for an hour or more (which resets the processor) there are no quick fixes beyond replacing this board. Now the board is "plug and play"- meaning no soldering is needed, however the rear of the set will need to come off to access it. If you're looking to fix the set yourself this board can be purchased at the link below for $45:
Alternatively, if this is not something you're comfortable doing, then a shop will charge closer to $250 parts and labor to replace the main and can be located at the link below:
Other than that, I'm sorry for the bad news here and wish there were a quick fix, but there are no settings/adjustments that will correct the remote not working after a length of time, the app issue and the set needing to be unplugged to shut it off- those all directly indicate the Mainboard in the set is failing and should be replaced.
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