Video Asylum

Update........................

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In Reply to: Try all. posted by grantv on June 1, 2006 at 17:12:40:

Well, it would have been almost impossible to fool with the existing romex without a lot of work. So what I came up with is simply plugging the TV into an outlet that is hooked into my main panel. And the hum disappeared.
The problem may lie in that the romex to the audio/video gear is running parallel for about 15 feet from the sub-panel. The only noise producer seems to be the new TV - The old TV did not do it. I may just live with the slight hum. I measured the hum at the throat of my Horn and it only measures around 45 db, so I may not let it bother me. Most of time when I'm listening to the stereo the TV is off anyway.
Thanks for your help!

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Good to hear (...or good not to hear). NT :) - grantv 11:58:51 06/02/06 (1)
- Actually, It turns out I have a ground Loop........................... - Cut-Throat 15:47:14 06/26/06 (0)
  I floated the grounds on my amplifiers with a cheater plug and all of the hum is elminated. Dead quiet!
  So, ground loops are confusing to me. I have tried removing the antenna connection from the TV, but the hum is still there. So the 8 circuits all going to the same common ground in the sub-panel is producing a ground loop.
  I'm confused and know that a cheater plug is not a 'solution', but I don't know what else to try.
  
  Cut-Throat

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