car audio display board

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wizardaudio

Member - Posts: 4

Joined: July 09, 2009

Location: North Carolina, United States

Posted: July 09, 2009 at 10:07 AM / IP Logged

Hey there I have a problem with our display board. We have the Lynx FSCA6. When we hook a 2ch or 4ch amp for the front and rear speakers we get bad feedback. The only way we dont is if we only have on one radio and no sub amp. The second that we turn anything else on the feedbadk comes back. We have tried Ground Loop Iso, Grounding the RCA, and even hooking the 4ch amp with a splitter of the board. So any info would be great. Thanks

i am an idiot

Platinum - Posts: 13,673

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: July 09, 2009 at 11:33 AM / IP Logged

That is going to be hard to troubleshoot over the internet.

Has the disply worked in the past? What happened right before it started having this problem?

icearrow6

Copper - Posts: 497

Joined: February 02, 2009

Location: California, United States

Posted: July 09, 2009 at 12:54 PM / IP Logged

Check your power supply. I think its not big enough. did you upgraded the amps?

Try using a second power supply for the bass amp.

wizardaudio

Member - Posts: 4

Joined: July 09, 2009

Location: North Carolina, United States

Posted: July 10, 2009 at 8:02 AM / IP Logged

Well the problem has been there since we put it all together. There are 8 Radios, 1 4ch amp, and 1 bass amp. The Power supply is a IPS1280 by Kinetik. It has an output of 13.6VDC and 80 Amps. If that is not enough power then i guess we need to get another power supply.

i am an idiot

Platinum - Posts: 13,673

Joined: September 21, 2006

Location: Louisiana, United States

Posted: July 10, 2009 at 4:33 PM / IP Logged

If it is having problems at low volume, the power supply is not your problem. If it is only giving you a problem when it is playing loud, then it MAY be a power supply issue.

wizardaudio

Member - Posts: 4

Joined: July 09, 2009

Location: North Carolina, United States

Posted: July 11, 2009 at 8:02 AM / IP Logged

No it does it at all times. dont matter if the volume is high or low. I have contacted the manufacture about the problem. They have no idea as well... Just thought I would give here a shot.

lspker

Silver - Posts: 503

Joined: November 23, 2003

Location: Canada

Posted: July 12, 2009 at 9:27 PM / IP Logged

Pioneer decks? Sounds like there is an impedence mismatch between input Rca and output.

Check if rca grounds aren't blown off deck or swicther box. Are the Rca routed near the power wires, or ac in.

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car audio display board

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