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nomadII
Joined: 16 Jun 2006
Posts: 252
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| Posted: Tue Nov 18, 2008 4:30 am Post subject: Audio Hum with MUX-HD |
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Has anyone else had this problem or have a solution?
The minute it is powered up I get a deletrious audio effect.
HDCP continues to whip my ass!!
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Tue Nov 18, 2008 5:44 am Post subject: |
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Geeze I think you should insert the word suck in that last sentance.
Good luck.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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nomadII
Joined: 16 Jun 2006
Posts: 252
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| Posted: Tue Nov 18, 2008 4:22 pm Post subject: |
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Any thoughts on what would happen if I use a Power Supply that has a 3 prong ground but puts out a tad more power?
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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| Posted: Tue Nov 18, 2008 4:32 pm Post subject: |
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I wouldnt do that, the chips in the MUX might be sensitive to any higher power input. All you need to do is touch some wire from the MUX chasis(screw) to the chasis of another component and see if it goes away. You most likely have a ground loop. Or try to disconnect any cable box or sat box cable input to each box and see which one is causing the the hum.You may have to run a new ground wire from where the incoming cable/sat coax comes in and is grounded and ground it to the same ground as all your other equipment.
Athanasios
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kal
Forum Administrator
Joined: 06 Mar 2006
Posts: 18114
Location: Ottawa, Canada
TV/Projector: JVC DLA-NZ7
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nomadII
Joined: 16 Jun 2006
Posts: 252
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| Posted: Fri Nov 21, 2008 3:20 pm Post subject: |
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I had a commercial electrician friend come double check a few things yesterday.
When I had purchased the new loadcenter (Breaker Box) the first thing he had done was to install the supplied copper fitting that bonded the neutral bus bar to the panel. Residential electricians from another company actually installed the panel.
We opened up the loadcenter & lo & behold un-installed laying on the bottom was this copper fitting. He put it back in its rightful place & now the MUX-HD causes no shrill audio effects.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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