Nucleus One creates popping and morse code sounds with Marantz AV10 (ref#PDVU44)

Good day @Gary_Cardinale !

Thanks for sharing your problem here.

Checking the previous threads like this (

) we might assume that you have a ground loop problem.

We’d recommend you to try to get an HDMI Isolator or try an Optic Fiber HDMI cable so it does not transmit screen current. It seem to help in such cases.

additionaly, you might check this article on how to eliminate a ground loop:

Regards.