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No green in picture

Magenta screen on all external, aerial inputs, no green in picrure

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@gary42893 what have you checked. The very first thing you want to do is to use different video inputs. Make sure that you are using Coax and Component inputs as well. Change your HDMI cable if that is what you are using. See if using the different inputs had a different outcome. Next, we would need to see what your display shows you. It is possible that this is a panel issue but most likely it is a failed Gamma IC or a failed main board GPU. Adding images to an existing question

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Gary crwdns2934231:0crwdne2934231:0
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