i replaced the predriver and got 6.5v like a 40-50% duty cycle but it still blew the power irfz instantaneously in a cracking noise. I believe the pwm clock is good because of this 6.5v maybe the tfo is short ? Or the board....The board fried a little bit when the amp blew because it get too hot and...

thanks

how did you figured this out, just by the A06 and A56 ?

it is good to know

i hope to be able to make it play again

hello i got this amp to repair and the power supply is burned very bad all the irfz48 are burned and also their pre-driver that i cannot identify is there a way to get the full part number or a replacement number actually is Q38-39-40-41 on the amp board 1 is written F D140 A06 and the other match i...