Panasonic TX-40DX 700B self test picture flickers
My Panasonic TX-40DX 700B is fine when watching programs through HDMI from sky box, picture is great all menus work and can access the internet.
The problem is when I try to watch Netflix, Amazon prime youtube from the built in apps, the screen shows squiggly flickering colors but there is sound. Also the self test screen is the same squiggly flickering colors but there is sound.
I have tried switching off and back on and also reset to factory settings.
Any help would be much appreciated. Many thanks
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