Yamaha CS80

Are you serious?  SMD boards to replace the chips?  That would be awesome!  I'd love to get my hands on the details.



On Nov 13, 2011, at 2:38 PM, b3groover <b3groover@...> wrote:

> Well, Scott Rider was working on it according to this post two years ago:
> 
> http://launch.groups.yahoo.com/group/yamahacs80/message/2481
> 
> I really hope he's okay.  He hasn't posted here in years.
> 
> ----Jim
> 
> On Sun, Nov 13, 2011 at 3:47 PM, J. Douglas Rodriguez
> <floobygoop@...>wrote:
> 
>> **
>> 
>> 
>> If someone actually cloned these chips, we'd all sleep easier at night,
>> right?
>> 
>> Doug
>> 
>> 
>> On Nov 13, 2011, at 12:19 PM, "organissimo" <b3groover@...> wrote:
>> 
>>> Hello folks!
>>> 
>>> I'm new to the group. I just purchased a Yamaha CS50 that only has one
>> voice card fully functioning. Thankfully I got the synth very cheap. I've
>> traced the issues down to two EGs and a couple VCAs. But as everyone knows,
>> those proprietary Yamaha chips are becoming more and more scarce. This is a
>> problem that will only be exacerbated as time marches on.
>>> 
>>> I've found some old posts on this group from Scott Rider (Old Crow)
>> concerning re-creating some of these chips. I've emailed Scott but have yet
>> to hear back. It seems he hasn't posted in a few years as well. I hope he
>> is ok.
>>> 
>>> Has anyone else looked into re-creating these chips? I'm not an
>> electronics engineer by any stretch of the imagination. But it seems like
>> it would be possible, using modern components like the THAT 2181 VCA, to
>> create a viable substitute for chips like the IG00151 VCA.
>>> 
>>> Thoughts?
>>> ----Jim
>>> 
>>> 
>> 
>> [Non-text portions of this message have been removed]
>> 
>> 
>> 
> 
> 
> [Non-text portions of this message have been removed]
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> 
> 
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