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Old 12th January 2012, 03:07 AM   #1
diyAudio Member
Join Date: Jan 2012
Default Rockford T1500-1bd

Hey, so a buddy of mine borrowed my car for a week, came back to see he wrecked my amp somehow.. ha.. I've fixed 10 or so amps before but am having issues with this one, instead of either not turning on or even sitting in protect mode, it turns on in protect, but keeps trying to turn on. When it turns on for the split second it is sending power right to the speaker terminals, I'm not sure as to what voltage because I no longer have a scope and my regular multimeter is nowhere near fast enough. Also two of the capacitors blew out, looks as if they almost desoldered themselves from the board, I'm pretty sure they arent the only issue because new ones didnt solve anything, and nothing else seems to be fried or anything.. Any ideas? Thanks.

<iframe width="1280" height="720" src="video-2012-01-11-20-55-01.mp4 - YouTube" frameborder="0" allowfullscreen></iframe>
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File Type: jpg 2012-01-11 21.53.39.jpg (979.5 KB, 51 views)
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Old 12th January 2012, 03:29 AM   #2
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Join Date: Nov 2003
Location: Louisiana
Are any of the output transistors shorted?

Are there traces on the opposite side of the board that are connected to the terminals of the capacitor?

If so, is the connection from the top to the bottom intact?
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Old 12th January 2012, 04:37 AM   #3
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Join Date: Jan 2012
embeding worked good on that post ha..

I just checked, the transistors on Q1000-Q1005 are all shorted

There are no traces on the back of the board, I tested and they are fully intact too.
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