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Rockford Fosgate Punch bd 1000.1 blows 60A fuse
Rockford Fosgate Punch bd 1000.1 blows 60A fuse
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Old 9th January 2013, 09:16 PM   #1
Brandoh is offline Brandoh
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Join Date: Jan 2013
Default Rockford Fosgate Punch bd 1000.1 blows 60A fuse

I have an older Rockford 1000.1 That I recently started using again. The other day I had the music up loud and started to smell a little electrical smoke, then I heard a "click" almost like a relay clicking sound from the amp, then lost power. (blew fuse)

I recently added a RF 3sixty line driver, I accidentally had it turned up all the way when this happened.

I D/C the amp, put a 40A fuse in to check wiring, it was fine. I gave the amp power only again and it immediately blew the fuse. Opened the amp, and then noticed a bad spot on a cap.


Do you think this is the culprit of the short? and if so, where can I find a new cap? I have looked for quite a few hours online but haven't found one that will work. everything else on the board looks great.

cap info:
31mm high 35mm dia.
10mm lead spacing (snap in I think)

I am extremely novice at this kind of stuff, but I want to try and fix this one before I buy a new RF amp, as I am sure this old one is better than any of the new ones..


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Old 9th January 2013, 09:34 PM   #2
Perry Babin is offline Perry Babin  United States
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Join Date: Nov 2003
Location: Louisiana
That mark is likely from the drill chuck when the screws were being installed. It's not likely to be a problem. It's likely that the output transistors are shorted. The output transistors are the ones marked IRF3415 and IRF6215.

IF you're new to repair work and you want to repair this amp, read the basic amp repair page (link in sig line below).
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Old 10th January 2013, 02:38 PM   #3
Brandoh is offline Brandoh
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Join Date: Jan 2013
Thanks for the pointing in the right direction. I never thought about the mark being from the driver chuck, but I'm pretty sure you are right, like some kind of forensic detective lol.
I will read the Basic Amplifier Repair section today before going any further with this.
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Old 14th January 2013, 03:33 PM   #4
Brandoh is offline Brandoh
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Join Date: Jan 2013
After reading the Basic Car Audio Amp Repair write up (which was an awesome read) weighing cost of new amp to probability of me being able to fix this one with little frustration, I decided to just buy a new one. I went with the RF T1000-1BDCP 1000w constant power.
I HATE to just throw this one in the dumpster, is there a market for broken older RF amps?
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Old 14th January 2013, 04:48 PM   #5
seankane is offline seankane  United States
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Join Date: May 2010
Location: Washington State
I would be happy to buy it from you. Send me a PM and we can discuss payment or even repair if you wish me to do that.
Pyramid 52 Amp Power Supply----Fluke 787 Processmeter----Tektronix 465 Scope----Velleman HPS40 Scope----Soldering Iron----Desoldering Iron----Hejet HJ 500-S Heatgun----DM4070 Digital LCR Meter----Propane Torch
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