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Old 13th December 2012, 12:45 PM   #1
404Amps is offline 404Amps  United States
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Default Kicker KX 600.4 amp

He'll to all,
I am attempting to repair the amp kx600.4, initially the amp would blow a 10 amp fuse as soon I touch power to the terminals. I removed all output bjt's and replaced the defective one.

Now the amp powers up for about 5 seconds, then blows the power line fuse when the amp tries to go from soft turn-on to idle.

can anyone explain what problem I am experiencing with the amp?
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Old 13th December 2012, 02:15 PM   #2
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Was it blowing the fuse before remote voltage was applied?
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Old 13th December 2012, 10:23 PM   #3
404Amps is offline 404Amps  United States
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At first it was b4 replacing a bad output transistor. Now only when applying remote turn on power.
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Old 14th December 2012, 08:23 AM   #4
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I would suggest that you remove the two transistors from the channel that failed and see if the amp will work properly on the other 3 channels.
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