Vintage Synth Repair

Thanks Z3

Perhaps next weekend's project.

Best,
Sam

--- In vintagesynthrepair@yahoogroups.com, "z3sound" <z3sound@...> wrote:
>
 unplug Cn3 connector that
> go to CPU board just to be sure there is no short on that board, then
> check if you have supply at pin 1 of Q3 (emitter)or at + of capacitor
> C2if no voltage you may have a defective part in the power supply board
> check D1 ,Q3 or the zener diode D5 ,i have put the power supply
> schematic in  the file sectionhope it will helpif you need it i have the
> complete A37 schematicZ3
> 
>