[sdiy] Korg Mono/Poly

[Moho Disco]

You can borrow mine, only if I can be there every step of the way,
so I can see how it's done.

Lava

At 11:58 PM 5/17/2002 -0700, The Proteus wrote:
>That's my problem... the keyboard scanning board didn't come with the 8049
>IC. I've got a lead on the 8749, but I don't know where to acquire the
>binary file, or exactly which programmer would be able to take the program
>out of the mask ROM. Does anyone have this, and if not, would anyone in
>the bay area allow me to borrow their Mono/Poly 8049 so I could zap the
>mask ROM out of it?
>
>Regards,
>
>Prot
>
>- - - T h e  U n d e r g r o u n d  W a r e h o u s e - - -
>- - - Subversive - Tools - For - A - Chaotic - Planet - - -
>-  h t t p : / / w w w . u g w a r e h o u s e . o r g /  -
>--<T h e  P r o t e u s>-<Musician>-<Producer>-<Engineer>--
>
>On Fri, 17 May 2002, The Old Crow wrote:
>
> >
> >   The key assigner is an Intel 8049 microcontroller running a program
> > fixed in mask-ROM.  Korg has long since (in the USA and Japan) run out of
> > spares, but one can still be created: Use an Intel 8749 (EPROM version of
> > the 8049) and program it with the binary file that represents the original
> > mask ROM.  I've done this to replace a couple dead MCUs.
> >
> >   Note: this particular Korg/8049 key assigner is used in both the
> > mono/poly and the polysix.
> >
> > Crow
> > /**/
> >
> > > -----Original Message-----
> > > From: The Proteus [mailto:proteus at ugwarehouse.org]
> > >
> > >     I just scored a free Korg Mono/Poly today, but alas the previous
> > > owner seemed to dump some kind of corrosive liquid inside of it. The
> > > voice boards are still okay, and most of the wiring harnesses made it
> > > out alive. The keyboard, however, did sustain damage and the keyboard
> > > control board felt the caustic wrath of whatever dowsed this case.
> > >
> > > Any tips on finding replacement parts such as the pots, keyboard
> > > scanner, and such? I just downloaded the service manual and such from
> > > Moho's site. :-)
> >
> >