amp powering on but not working

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ccityroadshop

Copper - Posts: 76

Joined: December 15, 2008

Location: Mississippi, United States

Posted: March 01, 2009 at 11:16 PM / IP Logged

hey guys, i have a older memphis amp that is powering on fine, the protection light is not coming on it seems like its fine but its just not working the subs are fine, the rca's are fine the speaker wires fine, any ideas as to whats wrong with it? if so how can i fix it, would really like to use it on my new hcca its a nice memphis bell

mustang GT convertible with lots of performance mods... Alpine M500 amp with sealed enclosure, 10 inch kappa perfect, clarion cz500 head unit, kicker ks speakers all around

stevdart

Platinum - Posts: 5,816

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Joined: January 24, 2004

Location: Pennsylvania, United States

Posted: March 01, 2009 at 11:58 PM / IP Logged

...and you know for sure that the amp worked before you hooked it up?

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: March 02, 2009 at 5:48 AM / IP Logged

I have worked on MANY Memphis amps the had a broken leg on the LEDs. It may be in protect. Are there 3 LEDs on that amp? Which color is lit up?

ccityroadshop

Copper - Posts: 76

Joined: December 15, 2008

Location: Mississippi, United States

Posted: March 02, 2009 at 10:34 PM / IP Logged

no i dont know for sure that the amp worked before, i got it off a friend who had it just sittin in his garage, and no i only has 2 leds but the protect lights not on its a blue led

mustang GT convertible with lots of performance mods... Alpine M500 amp with sealed enclosure, 10 inch kappa perfect, clarion cz500 head unit, kicker ks speakers all around

soundnsecurity

Gold - Posts: 2,711

Joined: November 10, 2008

Location: Louisiana, United States

Posted: March 02, 2009 at 10:43 PM / IP Logged

if it is out of warranty, i would open it and check for corrosion.

Search for other posts by soundnsecurity

ccityroadshop

Copper - Posts: 76

Joined: December 15, 2008

Location: Mississippi, United States

Posted: March 03, 2009 at 9:36 AM / IP Logged

yea it is out of warranty thats what i was planning to do open it and check it out just wondering if any1 could give me places to check, maybe something needs soldered or could a capacitor need replaced in it?

mustang GT convertible with lots of performance mods... Alpine M500 amp with sealed enclosure, 10 inch kappa perfect, clarion cz500 head unit, kicker ks speakers all around

ccityroadshop

Copper - Posts: 76

Joined: December 15, 2008

Location: Mississippi, United States

Posted: March 03, 2009 at 11:57 PM / IP Logged

ok sry it does have the 3 lights im looking at it now green red and yellow, the green power light comes on like its supposed to, i opened the amp up and could not see anything wrong, but i am by no means an expert on it

mustang GT convertible with lots of performance mods... Alpine M500 amp with sealed enclosure, 10 inch kappa perfect, clarion cz500 head unit, kicker ks speakers all around

i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: March 04, 2009 at 12:25 AM / IP Logged

Which amp is it? This one? or Maybe this one? Or is it possibly newer than either of those?

ccityroadshop

Copper - Posts: 76

Joined: December 15, 2008

Location: Mississippi, United States

Posted: March 04, 2009 at 11:49 PM / IP Logged

st1000d built just like that 2nd one

mustang GT convertible with lots of performance mods... Alpine M500 amp with sealed enclosure, 10 inch kappa perfect, clarion cz500 head unit, kicker ks speakers all around

i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: March 05, 2009 at 12:45 AM / IP Logged

There appears to be 2 separate power supplies in that amp, did you remove and inspect each fuse? It may light up with only one power supply functioning but may require both to actually work.

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