Dodge factory amp

mike49504 · 4th June 2010, 10:06 PM

A kid dropped this amp off and asked if i could take a look at if for him.

He said he was replacing his battery under the hood and the positive wire hit the frame and now his factory amp doesnt work.

I checked all fuse's in the car all seem fine I checked the remote turn on wire to the amp and its working and checked power and ground wires to the amp and they are working.

Wondering if anyone knows what might have happend to this amp and where i should begin checking??

I doubt that it blew all the chips for the outputs. I was thinking maybe more of the line of a reverse polarity diode being shorted??

Any help would greatly be appericated

bob91343 · 4th June 2010, 10:49 PM

Without a diagram you are groping in the dark. You could try applying power and measuring the voltages on the various output transistors.

1moreamp · 4th June 2010, 11:09 PM

Some of these factory amps have switching power supplies in them, and many don't but I would do your normal check inside just like it was any other amp. With as many as you do a week this should be easy

only the true digital amps have DSP's inside of them. at this level you will need factory support but this should not stop you from doing a power circuitry check out.

Give a dealer a call and see what he wants for a new one, and then PM me after you come to and have been picked up off the floor lol lol lol...

EBM_dude · 10th June 2010, 12:47 PM

What kind of amp is it? AFAIK most older stock Chrysler amps have 2x 25 Watts from 2 chips whose type I have long forgotten. IIRC they're the same chips as in the MacAudio MP-52.

4th June 2010, 10:06 PM	#1
mike49504 diyAudio Member Join Date: Sep 2006	Dodge factory amp A kid dropped this amp off and asked if i could take a look at if for him. He said he was replacing his battery under the hood and the positive wire hit the frame and now his factory amp doesnt work. I checked all fuse's in the car all seem fine I checked the remote turn on wire to the amp and its working and checked power and ground wires to the amp and they are working. Wondering if anyone knows what might have happend to this amp and where i should begin checking?? I doubt that it blew all the chips for the outputs. I was thinking maybe more of the line of a reverse polarity diode being shorted?? Any help would greatly be appericated

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4th June 2010, 10:49 PM	#2
bob91343 diyAudio Member Join Date: Mar 2010	Without a diagram you are groping in the dark. You could try applying power and measuring the voltages on the various output transistors.

4th June 2010, 11:09 PM	#3
1moreamp diyAudio Member Join Date: Dec 2005 Location: Northern California	Some of these factory amps have switching power supplies in them, and many don't but I would do your normal check inside just like it was any other amp. With as many as you do a week this should be easy only the true digital amps have DSP's inside of them. at this level you will need factory support but this should not stop you from doing a power circuitry check out. Give a dealer a call and see what he wants for a new one, and then PM me after you come to and have been picked up off the floor lol lol lol...

10th June 2010, 12:47 PM	#4
EBM_dude diyAudio Member Join Date: Aug 2009 Location: Germany	What kind of amp is it? AFAIK most older stock Chrysler amps have 2x 25 Watts from 2 chips whose type I have long forgotten. IIRC they're the same chips as in the MacAudio MP-52.

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