On Tuesday, June 12, 2018 at 1:26:28 PM UTC-4, wrote:

This TV, located in the basement, is connected to a power strip with a
switch that "disconnects" everything that is plugged into the power strip.


is it damp in the basement?

leave the TV on for 10 hours to let it dry out.
mark

Guys, unless I'm reading the OP's post incorrectly, he fixed the TV with new contacts. I think he was just passing along the info and story.