Audiopipe APCL-1800.1d power supply scheme

[rhempz01]

Does anyone know which transistors go where for this amplifier. I can't seem to get the power supply working. Alot of transistors were burnt up. So I'm need to know what goes in
Q28
Q38

 

[Perry Babin]

http://www.bcae1.com/temp/SLA1500.pdf

 

[twilliar]

Let me know if I missed any and I listed them all in case it has been serviced prior.

Q17- M6
Q18- M6
Q42- L6
Q43- m6
Q21- M6
Q22- L6
Q37- L6
Q38- M6
Q28- M6
Q49- G1
Q32- L6
Q33- M6

 

[rhempz01]

Excellent I replaced them properly, but it was badly burnt and I have some drive bleeding through to my source I believe.
I can't seem to get the drive correct, if I place a cap in between gate and drain. It looses drive on a bank.

 

[rhempz01]

Excellent I replaced them properly, but it was badly burnt and I have some drive bleeding through to my source I believe.
I can't seem to get the drive correct, if I place a cap in between gate and drain. It looses drive on a bank.

 

[rhempz01]

Got power supply up and running. All the outputs test good.
However, when I placed the rectifiers into curcuit the amplifier will not start just draw strange current and flash protection very fast. I believe the last Amp. Like this I worked on the cause was one of the 78M05 on the board causing it.
Is this the output board?
Should I remove the output transistors for testing?

 

[twilliar]

I typically have to rebuild the output card on these if the output has been shorted.

 

[rhempz01]

No shorted output when I received it. However, I can see that someone has changed the regulators previously
Well 2 of the three have been changed.
I have 2 extra cards with new ic on them.
Something burnt the power supply up badly?
My power supply just clicks fastly, these amps have done this to me before. Generally beacuse an output is shorted.
A different output card makes no difference.