Well I feel your pain... almost everything has been ruled out.
One last thing, you said you’ve been selling zgemmas... if you’ve set them up, did they have the same issue at your house?
If not and yours is.... could be a tuner fault on your box.
Have you tried your box at someone else’s house to test it?
One last thing, you said you’ve been selling zgemmas... if you’ve set them up, did they have the same issue at your house?
If not and yours is.... could be a tuner fault on your box.
Have you tried your box at someone else’s house to test it?