crossfire cfa1000d

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have this old amp. its mine that i picked up. had a blown power supply. pulled all burned fet. put 3 new 3205 in each bank to test. pulled high current. After lots of elimination i have came to this.
with the driver boards for each side removed and the digital board removed it still has rail voltage on the gates of all the outputs. the 640's and 9640's. not sure where to go from here. something is leaking to the gates but cant find it.

Its a twin to a memphis 1000.1
 

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