[mythtv-users] Eliminating a ground loop/hum

[Robert Johnston]

On 7/6/06, Owen Mehegan <owen at nerdnetworks.org> wrote:
> Incidentally, it never occurred to me to unplug the coax to my cable box and
> see if that cured my hum problem. Instead I had cut power to the cable box,
> and unplugged all my connections from it to the computer... none of that
> helped, but sure enough as soon as I popped the coax out, the hum went away.
> I thought maybe my coax splitter, used to connect my cable modem and cable
> box to one coax feed, was the culprit, but even with that removed I get hum.
> So I guess my cable loop isn't grounded right? How can I fix that?

If you're using a splitter somewhere in the line, the chances are
it'll have a grounding screw on it somewhere. Just wire that to
something grounded (Water pipes work well) and it should ground your
coax properly.
-- 
Robert "Anaerin" Johnston