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Rockford Fosgate Punch P1000-1bd
Rockford Fosgate Punch P1000-1bd
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Old 27th August 2019, 11:04 PM   #1
rhempz01 is offline rhempz01  United States
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Default Rockford Fosgate Punch P1000-1bd

Rockford Punch 1000-1 that will not start up. just flashing in and out of protection.
im not reading anything real low on any output or power supply mosfet.
Drive looks good.
Amplifier just flashes into protection back out, draws 2Amps of current, over and over.

had an extra power supply driver card here its good, still the protection persists....
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Old 27th August 2019, 11:24 PM   #2
Perry Babin is offline Perry Babin  United States
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Desolder the rectifiers and see what changes. Lifting the center terminal is good enough.
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Old 28th August 2019, 04:15 AM   #3
rhempz01 is offline rhempz01  United States
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same result perry.
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Old 28th August 2019, 07:13 AM   #4
Perry Babin is offline Perry Babin  United States
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Does the amp stay on if you power it up through a limiter?

Is it the red or yellow LED that's flashing on?
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Old 28th August 2019, 03:11 PM   #5
rhempz01 is offline rhempz01  United States
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no difference, and its the yellow led.
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Old 28th August 2019, 04:48 PM   #6
Perry Babin is offline Perry Babin  United States
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Does it do the same thing with only the remote and ground connected?
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Old 28th August 2019, 05:03 PM   #7
rhempz01 is offline rhempz01  United States
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no, i can look at the drive that way
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Old 28th August 2019, 05:57 PM   #8
Perry Babin is offline Perry Babin  United States
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The voltage on U101 is what I need. You'll need to make a right-angle probe and possible remove one of the primary filter caps to get to the pins if you want to avoid removing the driver board.
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Old 29th August 2019, 05:51 PM   #9
rhempz01 is offline rhempz01  United States
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u101
1.) .053
2.) .086
3.) 11.98
4.) i touched this one q104 shorted.
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Old 29th August 2019, 06:11 PM   #10
Perry Babin is offline Perry Babin  United States
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The probe likely shorted between pins 3 and 4.
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