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Kicker CXA 1800.1 pulls high amps
Kicker CXA 1800.1 pulls high amps
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Old 10th November 2019, 04:35 PM   #21
PapaZBill is offline PapaZBill  United States
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Join Date: Oct 2013
Location: Yale, Oklahoma
If the Hi level turn on circuit is correct, the High Current Draw must be caused by something in the Output section.

Check Outputs, IC14,15, Q101,102,201,202, All Capacitors surrounding the IRS209957 IC's. R39-10 ohm and C69-220uF/16v with an ohmmeter.

What is the current when the power supply mosfets are in place?
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Old 10th November 2019, 04:45 PM   #22
barber02 is offline barber02  United States
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Join Date: Jun 2018
Location: Georgia
The component replacement that you wanted clarification on in post #20 were applied.

As far a current draw. When I power the amp up it pretty much maxes out my bench power supply at 40 amps and flickers rapidly between 30 and 40 amps as soon a I power it up.

I checked the power supply mosfets and the output mosfets out of circuit and they all test good.

I’ll check the components you mentioned in post 21 Monday when I get back to my shop. I am out of town this weekend.
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