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Hi I have a 50inch DNle DV3 and it keeps going half the screen is black and we still have sound and half a picture any ideas what can be done many thanks

dawnvardy could be be a t-con board issue as well as a panel issue. Post some images of your screen etc. with your question. That way we can see what you see. Adding images to an existing question You would have to remove the back of your TV and know how to use the basic functions on a multimeter to check a few things.