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weird problem fixed.
weird problem fixed.
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Old 27th October 2008, 12:23 AM   #1
audiobahnkid592 is offline audiobahnkid592  United States
diyAudio Member
Join Date: Mar 2007
Default weird problem fixed.

I bought this amp about a month ago and had nothing but trouble with it. It would go into protection when ever it felt like it shut off at any random time and just shut off when driving it very hard for no reason i could find. I took the amp completely apart and re soldered all the main power to board connections abd any suspect solder joints but had no luck. I just found this today wondering if anyone has ever seen it? I also happened to have two audiobahn power lugs from a blown amp that was to damaged so I could just repair it now it works great.

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Old 27th October 2008, 01:20 AM   #2
ppia600 is offline ppia600  United States
diyAudio Member
Join Date: Jun 2007
Location: Louis y ana
Yeah, I've seen a few. Once on an older mtx, it actually got so hot that the solder melted loose and left a gap, lol. Another was an audiobahn and another on an older alpine. Awesome that you got it figured out
Don't worry... you can always turn the gain down!
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Old 27th October 2008, 08:16 PM   #3
jol50 is offline jol50  United States
diyAudio Member
Join Date: Nov 2007
I have an intake amp here that got wet, inside looks good though outputs are blown. Only damage I see is power terminals got wet and corroded inside under plastic...so I am looking at them and tried to ease plastic cover off....and the whole thing fell out of the board in my hand! Note the solders looked ok and not damaged, everything inside amp looks dry/fine. Maybe it got dropped or something not sure, pins on lugs are fine and all solder is on board. Or maybe that is why better amps screw them to the board then solder. That was all three power lugs fell out at once, and had been screwed to case through plastic cover that was not broken....don't know what happened and not fixed it yet.
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Old 18th November 2008, 06:09 PM   #4
spiette is offline spiette  United States
diyAudio Member
Join Date: Jan 2006
Location: St. Charles, IL
Don't forget to replace C317. It's blown it's top and about to vent.
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