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Loud Humming.

Got tube amp and preamp, and player is Denon 3910. I've use my denon as cd player for stereo. The humming comes out when I do the video connection to my TV,either S-video, component or DVI. If this was disconnected, no humming.
My systems are on the Sanus rack.
Can I get some suggestion to solve this problem.
Thanks Guys.
rickg1434
6 responses Add your response
larryken
537 posts
 
do some archive research, answer is there.
rlwainwright
1,904 posts
 
If your TV is hooked up to a cable TV system, that may be your culprit. Try disconnecting the cable TV cable from the TV and see what happens...

-RW-
kilsho
12 posts
 
Yep, I used to have the same problem when I hooked up my cable to my TV. I solved it by installing a ground loop filter between the cable and my TV's cable connector. They are available at most electronic stores. I picked up mine at Radio Shack. There are tons of them on eBay too.
reubent
6,986 posts
 
Sounds like the classic ground loop problem caused by cable/satellite TV connection. Larry is right, this problem is so common that it has been covered many times in previous post. A search of the archives will provide you with various different brands of cable filter/isolators/de-couplers.

TIC
rkny
47 posts
 
If you have HDTV from your cable co., the Jensen Ground Loop Isolator is the only isolator that provides enough bandwidth not to choke your signal. Other models will cause stuttering/pixelated video.
jonathan1257
82 posts
 
You need this:

http://eskc.com/invout.asp?SearchBy=All&SearchFor=75-504

Calrad part # 75-504. It's an isolation/ground transformer. Costs under six bucks and worked like a charm. Put it between the coax cable coming out of your cable box and the TV.
Good luck.
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