I'm trying to rebuild a power supply, and from what I can tell, some sort of power pump took out a few caps and the protection diodes around them (lots of black marks on the PCB). I don't have a schematic (it's a Soundcraft Protracker, and soundcraft declined to let me see it), and so I'm just going ...

Ok. This is an old dude question. An old band I was in is going to have some reissues done of our records, and while the label is doing some marketing, us folks in the band want to do a little more than in is our budget and are kicking some money towards it. We are looking for someone who can help ...

The power supply in my trusty Soundcraft Protracker gave up it's magic smoke this week, and rather some diode replacement, it's up and running, but rather than 55/17/-17, it's putting out 66/17/-27.

Since it's an internal supply, I don't see a lot of options for getting a replacement, and I don't ...