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timwebb 3rd June 2012 11:44 PM

diamond d6 1500
this amp is pulling current. the power supply was cooked. i used 47ohm resistors and irfz44. in the power supply. i removed the driver card and all output transistors. and still no luck.

Perry Babin 4th June 2012 02:47 AM

Do you have a clean drive signal on the gates of the power supply FETs?

timwebb 4th June 2012 03:34 AM

yes i have a clean square wave and 4 volts at the gate.

Perry Babin 4th June 2012 04:04 AM

Did you remove the rectifiers to see if that eliminated the excessive current draw?

timwebb 4th June 2012 07:34 AM

it powers up fine with them removed. it has to be in the output section..

Perry Babin 4th June 2012 07:50 AM

Are the rectifiers shorted?

Are they in the correct locations?

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