Coaxial Cable Causes Scrolling clear on Screen - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 3 Old 12-31-2009, 07:36 PM - Thread Starter
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I use the Wii's USB occasionally, but recently, the USB Hard Drive is getting interfered by the coaxial cable. I don't know if USB devices that do not require power from an outlet will get interfered (USB keyboard, USB Thumb drive, etc.), I'll try to check this out now.
I just moved in to the new house, having moved from an apartment (TV/Wii/HDD is now in the basement). I can now receive digital cable through the wall (I didn't note if I could before). The screen has horizontal static (not enough to hinder gameplay) going upward. The static goes through the screen, and it's transparent, unlike TV static.

Is this a interference problem? When I unplug the coax, the screen returns to normal, even with the drive plugged in. Is it a shielding problem with the USB cable or the coax cable? I plan on getting component cables and maybe that'll do the trick.

Thanks for any help.
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post #2 of 3 Old 01-03-2010, 08:05 PM
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Sounds like a ground loop issue. I would start with a Google search and learn more about it.
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post #3 of 3 Old 01-06-2010, 10:53 AM
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there are many old threads on avs addressing ground loop issues. They were completely eliminated in my system by the use of very inexpensive ground loop filters like this one:

I see that the product says for analog cable, not digital, but I am using them on a digital (comcastic) system with no problem.

good luck,

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