Search results for query: ground loops

Since getting a new Direct TV DVR (Gennie) I have had a ground loop issue. This is a ground loop related to HDMI in the DVR and NOT resolvable. I had no issues with my first Direct TV DVR. When it failed the replacement buzzed like crazy, with no solution. So Direct TV provided their Gennie...

...any truth to the old practice of grounding the inner shield of a coaxial cable at the source and leaving the other end ungrounded to avoid ground loops, even with 21st century technology and engineering. Trying to eliminate all the variables has always been my approach... Recommendations??

So something happened yesterday, when everything got disconnected & reconnected we acquired a ground loop hum. It wasn't the new HDTV, that much was easy to make sure of. Couldn't figure it out yesterday but after I got back from swapping our SD cable box for an HD cable box, it was still...

Just a note to add to the discussions going on about bal/unbal etc. Ground _loops_ are generally exactly that - loops that, in the presence of a 60/50Hz magnetic field, function as a 1-turn transformer, picking up hum current which then pops up as a voltage due to stray resistances. If you can...

...to you the chances are it’s a ground loop between your Cable TV and another component in your system (like an amplifier or powered subwoofer). Now, how do you solve it? Check out this article for a surprisingly helpful way to combat this common problem. [Read About Combatting Ground Loops]