Chosen Solution

The TV turns on, can hear audio but screen only has purple and black horizontal bands

@dsims anything horizontal is usually caused by the driver board (part of the panel) for the panel. Start off by telling us what model this is, what you have tried to fix it and what it looks like. ost some images of this with your Question. That way we can see what you see Adding images to an existing question Of course you already tried all the different video input sources……