I did and https://www.google.com/search?q=32LB4D&ie=utf-8&oe=utf-8 coughed up something interesting on what is here the first Amazon hit.
-> Do you have a solder iron and repair your own boards?
The picture and sound goes in and out, but the power stays on. It acts similar to when the signal is temporarily lost. The difference being if the signal is lost it will flash a "no signal" sign on the screen.