hum, buzz, etc. noise when car is off?

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kickercivic1

Member - Posts: 34

Joined: July 02, 2003

Posted: February 05, 2008 at 8:33 PM / IP Logged

I just got intel mobo in and installed it. STILL THAT NOISEEEEE... I have no clue where to troubleshoot now.

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i am an idiot

Platinum - Posts: 13,667

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: February 05, 2008 at 9:16 PM / IP Logged

Have to say I saw that coming.

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kickercivic1

Member - Posts: 34

Joined: July 02, 2003

Posted: February 05, 2008 at 9:23 PM / IP Logged

i am an idiot wrote:

Have to say I saw that coming.

To make your answer more clear. my sound system is prefect even with the carputer. The problem is soon as i plug in HD radio or sirius tuner into the line in jack of the motherboard, i start getting this constant loud buzz noise even with car off. I get it no matter if the mp3 is playing or not.

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i am an idiot

Platinum - Posts: 13,667

Joined: September 21, 2006

Location: Louisiana, United States

Posted: February 05, 2008 at 10:07 PM / IP Logged

Have you tried grounding the shield of the RCA jacks that are connected to the HD or the Sirius tuner? Also have you tried doing the same thing at the Input of the radio?

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kickercivic1

Member - Posts: 34

Joined: July 02, 2003

Posted: February 06, 2008 at 5:39 AM / IP Logged

i am an idiot wrote:

Have you tried grounding the shield of the RCA jacks that are connected to the HD or the Sirius tuner? Also have you tried doing the same thing at the Input of the radio?

Yes i have done this on my old mobo and not to much of a difference.. Can power or ignition cause this huzz or buzz??

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i am an idiot

Platinum - Posts: 13,667

Joined: September 21, 2006

Location: Louisiana, United States

Posted: February 06, 2008 at 6:38 AM / IP Logged

Sounds as though you have a ground loop issue. You should be able to go to your local audio shop and get them to let you try one to see if it will fix your problem. A ground loop isolator that is. Pac-audio.com has an SNI-1 Try connecting it on the output of one of the tuners. If it does not work there you can try it on the input jack of the deck.

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hum, buzz, etc. noise when car is off?

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