Folks, thx for the help.
I did unplug the HDMI Channel from my comcast HD box and the hum disappeared. Seems, like one of you said, an issue w ground looping.
I would imagine the big challenge now is to solve the ground loop - Other wise my cable box is useless more or less.
Ts
I did unplug the HDMI Channel from my comcast HD box and the hum disappeared. Seems, like one of you said, an issue w ground looping.
I would imagine the big challenge now is to solve the ground loop - Other wise my cable box is useless more or less.
Ts