[sdiy] juno midi board hack

[Bob Weigel]

Bill,

The MIDI board only contains the opto and buffer and that kind of 
stuff.  The MIDI implementation is part of the processor instructions.  
MIDI data is spooled out somehow, I don't have the diagram in front of 
me but there might be some more latch hardware if that's not on the 
board too.  I assume the way the 60 and 106 read keyswitches is similar 
so theoretically it's probably possible to figure how to rewrite the 
code to create a MIDI juno60 but again I don't have the diagram nor will 
I get it out for this because this would be an extensive project I 
believe not worth pursuing.

Some MIDI retrofits require of course installing analog switches for all 
the keys for MIDI in.  Such instruments usually aren't fitted with MIDI 
out since the primary desires is to use them in MIDI sequences; not use 
them as controllers. And of course it's always possible to retrofit the 
keyboard with that kind of apparatus though it's extensive work.   It's 
a lot easier when one can interface something on the scan lines since 
there are much less of them.  But I've never been that interested in 
doing that on any of my stuff.  Too many of the instruments...are like 
the Korg sigma which I play primarily because of the control features 
which would cost a fortune to implement suitably to a MIDI controller. 
hehe.  -Bob

-Bob

bill bigrig wrote:

>howdy,
>
> just thought I'd ask once more, is there any way to
>make a juno-106 midi board operate in a juno 60? I'm
>sure it would require some way of tying into the DCB
>bus but how to go about it? I already have a midi-DCB
>box for one of my juno 60s, and an HS-60 for 106
>stuff, but thought it might be cool to put this board
>in the other Juno-60.
>rigrnotreply
>
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