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Mosfets keep blowing while amp is in protection

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Old Oct 17, 2010 | 01:04 AM
  #11  
D3adlyX's Avatar
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Yea i got
Soundstream picasso 1500
Kicker zx650.4
Mojo 4k
american bass 500.1

all torn apart exept for mojo... gonna get those 3 running then do the mojo

edit: all fets are here as well... but i think i may need more for all the amps...
first time doing this sort of thing so learning as i go along...
Gonna have to check all the other fets that are on all amp boards and see if any other are dead....

Last edited by D3adlyX; Oct 17, 2010 at 01:12 AM.
Old Oct 17, 2010 | 03:58 AM
  #12  
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So basically my mistake was not testing the output fets.
After further testing i found 2 that were dead. Now I got to order them....
Old Oct 17, 2010 | 01:16 PM
  #13  
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Duh, blown outputs maybe?

Next time use a low current source of power when testing an amp.. like a 250W computer power supply...

Its easy to find hot spots and you don't burn up the brand new components you just installed...
Old Oct 17, 2010 | 03:12 PM
  #14  
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Lol yea 2 blown outputs
I'm new to this so kinda learning as I go along...
Old Oct 18, 2010 | 05:23 PM
  #15  
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Originally Posted by D3adlyX
Lol yea 2 blown outputs
I'm new to this so kinda learning as I go along...
Good for you for finding the problem and attempting a repair on your own.
Old Oct 18, 2010 | 06:39 PM
  #16  
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Originally Posted by kevmurray
Good for you for finding the problem and attempting a repair on your own.
thank you sir
I tested all the fets on the soundstream and the 10 power supply were the only ones that were dead along with a few resistors... sooo all thats left is to get resistors then test the amp...

Right now taking out all the out put resistors on the american bass to individualy test them. Then we'll see whats up...
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