[sdiy] KPR-77 info, schematics?

[Metrophage]

Over the winter I bought a Korg KPR-77 analog drum machine off of a guy
for a decent price. Since messing around with it last week, I figured
out how to play the thing, and have been quite impressed. I have been
wanting an analog drum machine for some time which would offer
something other than a Roland feel. 

I am definately going to tweak a few things in there. MIDI and sound
controls are in the works, but I cannot find schematics for this
machine anywhere! There are a lot of things I am figuring out, but
there are things that puzzle me, such as why some components were
clipped off of the board, and what their values were. Since these
machines are rare around here, and towards the old and stiff side, I
would very much prefer to plan my mods out ahead with the KPR-77
schematics and not wrench the boards around so much. And especially no
soldering-unsoldering-resoldering.

I can't buy any manuals or schematics now, because I am broke - but if
somebody has or can point me to the diagrams in electronic form I would
be most psyched, and grateful!
CJ

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