[sdiy] voltage divider keyboard

[male man]

hi im new here.  i just picked up a modular system
with no keyboard controller.  i want to make one out
of an existing keyboard that is dead.  this is a
voltage divider right?  it is a paia system and has
the paia connector.  how can i find the pinout for
this, or a schematic of the original keyboard?  thanks
for the help.  i have been building electronics for a
while, but im kinda new to the synth side of things. 
i have done guitar pedals and such though.  thanks

Skot



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