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In Reply to: A/C VOLTAGE BETWEEN ANY GROUND AND TV -Ground Loop? posted by wheezer on October 19, 2001 at 18:37:31:
Unplug the cable TV feed. If the hum goes away, you have a ground loop problem related to your cable TV. In that case, you will have to buy some kind of ground breaker to fix it. I got one for $10 or $20 from my local high end audio dealer to fix a similar problem; although, there are more expensive products available.In my case, what triggered the problem was installing a new Bryston amplifier in the system. I think I may have had a slight problem before, but installing the new component exacerbated it for some reason.
Todd
Follow Ups:
Removing the CATV does remove the hum. However adding a ground to the CATV also gets rid of the hum. IE; adding a ground to the ground of the cable ??
Why does'nt it present on all tv on the CATV line?
This is really screwy!
Thanks for your help,
Mitch
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