[sdiy] Serious about cloning Korg VC-10 Vocoder: unreadable part ofschematic foiling plans

[HOSHUYAMA]

Hello anthony,

Is this the schematic you downloaded?

http://www.autodafe.net/SynthManuals/Korg_VC-10%20Vocoder/Korg_VC10_Service_Manual.zip

Sam HOSHUYHAMA
Saitama, JAPAN

"anthony" wrote:
> Hello all,
> 
> A while ago a nice member of our group directed me to a place where I could 
> download the repair manual for the Korg VC-10 Vocoder when I expressed 
> frustration in not being able to find a schematic for one. I've looked at 
> several vocoders and this is the one I want to make (first). It's simple, 
> elegant and capable of some way cool sounds. One of my favorite bands, Air 
> (Tangerine Dream & Kalus Schulze) has used it, although I suspect that they 
> (Air) have used one or more other vocoder on their albums. Like I think they 
> got a new vocoder for Talkie Walkie unless they just came up with some new 
> settings they hadn't thought of before. But I digress...
> 
> The schematic is easy to follow except for a badly scanned (or a bad 
> photocopy, well-scanned) section in the upper, right-hand quadrant of the 
> KLM-135 board: the top of page 7 in the service manual.
> 
> The values of many parts are hard to read and some lines appear to vanish 
> and reappear. I can probably extrapolate what the parts shouldbe based on 
> the way other parts of the circuit are designed, but maybe not.
> 
> If anyone has a good, readable copy of just this one page, I'd greatly 
> appreciate if they wold share it.
> 
> When I begin my task of building this little beasty, I'll keep a running 
> photogallery of my progress, with sound samples too. I'll also share any 
> mods I make, which is very likely. The analog VU-meter is staying for sure 
> though...
> 
> thanx,
> Anthony