need help making a keyboard (and my vco is stupid.. or maybe I'm stupid)

[Reverend bluE]

I just bought a cheap-o synth keyboard (has two voices on a digital chip) and
I want to make it into a controller for my modular.  I've opened it up, and
has a single contact switch per key made of traces wiggling between each
other (they look like if you meshed your fingers from both hand together if
you know what I mean) and it has some little diode type things on there (they
are very small and kinda clear and kinda orangish looking).  Also I think
there are about 6-8 wires coming from the key contact PCB to the sound chip.

I've been searching all the usual sites, and I know I had found the
instructions for doing this a few weeks ago, but I can't find it now. 

any help?

on a different note (or lack there-of) I finished my second VCO 
(Maxx2 VCO-2D except I swapped the 2N3904 tranny pair for a MAT-02)
and it wouldn't work at first, then I realized that I had the +/- power lines
reversed, so I switched them and it worked, but barely.  On square output, the
fine tune barely worked, and I could only get sound with the PW pretty much
centered.  and the turning "sweep" for the PW pot was very limited.  I then
noticed that I had the PW pot and the fine tune pot switched (10k and 100k),
and that I had  my jacks hooked up backwards (ground to tip) so I swapped
those and now it won't work at all.  

again... any help?
-ben


I'd just like to say that I would have shot myself if not for this list...  
well, either shot myself or threw away my synth "projects"... 
yeah, that sounds safer I suppose.