Max, using a 'scope, look for a waveform on it's output pin(3) - if there is an output then it could be the associated buffer (IG00151) chip. In my case a while ago it was the 152, if you find any please let me know where you got it - I could do with a spare...;c)
Cheers,
TOM
--- In yamahacs80@yahoogroups.com, "Max Fazio" <faxiomas@...> wrote:
>
> Hi people
> I'd need some help to solve a problem: a friend of mine has recently acquired a CS-60 in fair good conditions and we're involved with the tuning and calibration process: suddendly we realized that the VCF-EG in voice #7 doesn't work, it seems like the VCF envelope doesn't get the trigger , while the VCA-EG works good.
> What controls should we do before surrender and look for a working iG00152?
> Thnaks for any suggestion!
> Max
>
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