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Dave if you bring up the menu is the menu text and info effected also?
Dave bring up the menu using the TV REMOTE is that effected?
Sorry Dave on a mobile device so a little slow. Unfortunately that is a panel (screen) problem, very common seen it many times. The problem is the cost of the screen is at least 80 percent of the TV maybe more. As a Out of warranty unit unfortunately not worth repairing.
I don't handle any of that I just freelance as a tech answering questions. You can email support from the homage though to make sure.
So sorry about your TV not much time for a expensive TV