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Old 30th December 2010, 09:15 PM   #1
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Default Alpine MRV 1507

New to the boards, have a quick question.

I have an Alpine MRV 1507, had used it before in my last car to power my old system. In between cars it sat in my garage for probably around 8 months or so.

I just got a 2008 Nissan Xterra, and decided to install it yesterday. Wired it all correctly, but when i turned the car on I saw the protection light is flashing red. Power and Music are both solid green. Sub isn't even hooked up to it yet.

A guy at an audio shop told me that means it's done and I need a new one. What do you think? Is my amp fried or is there something I just missed?

Thanks

Last edited by FSUSeminole; 30th December 2010 at 09:40 PM.
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Old 30th December 2010, 10:21 PM   #2
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The attached image shows the error codes.
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File Type: gif 1507errorcodes01.gif (8.7 KB, 86 views)
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Old 30th December 2010, 11:14 PM   #3
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How do I fix it if my problem is RCA ground float? Did I not install my grounding wire properly? Or did I do something wrong with the RCA cables?
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Old 30th December 2010, 11:50 PM   #4
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Check your RCA shields on your head unit.
RCA Shield Repair

I'm assuming that you're using an aftermarket head unit. If you're using a Line Output Converter with your OEM head unit, you'll need to ground the brown(?) wires.

Have you tried connecting the woofer?
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Old 31st December 2010, 12:36 AM   #5
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I'm using my factory unit and yes I also installed an RCA converter. How would I ground the brown wires? I might have a problem here...the best buy tech who sold me the converter told me to just snip the brown wires because I wouldn't need them...

And no I have not tried connecting the woofer yet
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Old 31st December 2010, 01:14 AM   #6
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With the amp powered up, measure the DC voltage across the speaker terminals (red probe on the positive speaker terminal, black on the negative speaker terminal). Do you read less than 0.1v? If so, try connecting the woofer. Does the amp produce clean audio?
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Old 31st December 2010, 11:34 PM   #7
Therum is offline Therum  United States
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Location: Douglasville Ga
Quote:
Originally Posted by FSUSeminole View Post
New to the boards, have a quick question.

I have an Alpine MRV 1507, had used it before in my last car to power my old system. In between cars it sat in my garage for probably around 8 months or so.

I just got a 2008 Nissan Xterra, and decided to install it yesterday. Wired it all correctly, but when i turned the car on I saw the protection light is flashing red. Power and Music are both solid green. Sub isn't even hooked up to it yet.

A guy at an audio shop told me that means it's done and I need a new one. What do you think? Is my amp fried or is there something I just missed?

Thanks
Wow. If the guy at the audio shop told you that green lights on a 1507 means its fried then I would not EVER go back to that shop. Even if I didnt currently own one and didnt know what the indicators meant. I would have assumed Green lights did not mean that it was fried.
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Old 1st January 2011, 05:35 PM   #8
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Thanks for the help, I just hooked up my sub and it works fine! Protection light is still flashing though. I guess when I get back up to school this week I'll just take it to a shop and see if they can do anything about it for me.
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Old 1st January 2011, 07:04 PM   #9
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If it's just the open shield indicator (floated ground), I wouldn't worry about it.
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