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Rockford Fosgate 1001bd
Rockford Fosgate 1001bd
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Old 31st July 2020, 05:32 AM   #31
Perry Babin is offline Perry Babin  United States
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Remember to check the drive, initially, with no B+.
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Old 31st July 2020, 07:52 PM   #32
caraudioguy2100 is offline caraudioguy2100
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Here is what I get on the gate leg of the fets after I fixed the ground issue .

Scope set to 5us 5volts/div
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Old 31st July 2020, 08:00 PM   #33
Perry Babin is offline Perry Babin  United States
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Join Date: Nov 2003
Location: Louisiana
That looks OK. Confirm that it's also good at the gate leg of each of the FETs.
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Old 1st August 2020, 01:07 PM   #34
caraudioguy2100 is offline caraudioguy2100
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Power supply is working correctly now .

Next problem I have is Q15 and Q16 regulators get to hot to touch within 10 secs of powering the amp up .
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Old 1st August 2020, 01:37 PM   #35
caraudioguy2100 is offline caraudioguy2100
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Found the issue .

One of the MIC4420ís were shorted
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