How to fix a short-circuited amp?

Skater17 · 7th January 2012, 07:26 AM

I'm running a Kenwood KAC 7252 to two Kicker 12" Comps. I was driving along and they were cutting in and out. I took a look and it appears two wires touched and it won't send out very much power anymore. Part of the plastic below where the ground wire goes is melted. It still hooks up and turns on, but will barely move my subs at all.

Wondering if there is a way to repair the amp or is it a complete loss? I know how to solder so thats not a problem. Just curious as to what the problem is.

wintermute · 7th January 2012, 08:02 AM

I know nothing about the particular amp, but you are going to need to open it up to get an idea of what is wrong. Could be anything from blown rail fuses to blown output transistors, drivers, and who knows what else. Look for obviously burned components.

Tony.

Perry Babin · 8th January 2012, 12:32 AM

Post a photo of the burned wires and the terminal if it's melted also.

7th January 2012, 07:26 AM	#1
Skater17 diyAudio Member Join Date: Sep 2011	How to fix a short-circuited amp? I'm running a Kenwood KAC 7252 to two Kicker 12" Comps. I was driving along and they were cutting in and out. I took a look and it appears two wires touched and it won't send out very much power anymore. Part of the plastic below where the ground wire goes is melted. It still hooks up and turns on, but will barely move my subs at all. Wondering if there is a way to repair the amp or is it a complete loss? I know how to solder so thats not a problem. Just curious as to what the problem is.

7th January 2012, 08:02 AM	#2
wintermute just another diyAudio Moderator Join Date: Aug 2003 Location: Sydney Blog Entries: 22	I know nothing about the particular amp, but you are going to need to open it up to get an idea of what is wrong. Could be anything from blown rail fuses to blown output transistors, drivers, and who knows what else. Look for obviously burned components. Tony. __________________ Any intelligence I may appear to have is purely artificial! Some of my photos

8th January 2012, 12:32 AM	#3
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	Post a photo of the burned wires and the terminal if it's melted also. __________________ Links >> Basic Car Audio Amp Repair * Basic Car Audio Electronics * New Site * Basic Switching Power Supply Design * Basic Computer Skills << Links

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