Although my schematic is not standard
I'm trying to build a proper PSU for my Alactron 500 series rack since PSU's for this model are no longer being produced. I need help determining if my design is correct, especially regarding grounding and connections for AC/DC, bridge rectifiers, and DC-...
I have a 4d4b42 diode rectifier that needs replacing, I'm having trouble cross referencing part #. It's on a power supply board out of a Yamaha clavinova electronic piano. It's from 1985.i found demon also used this br in their audio amps, but has been discontinued and I can't seem to locate any...