Vintage Synth Repair

Thanks guy,

no I haven't tried to fire with external gate - how will you do that ?

I'll certainly check voltages asap and report !




--- In vintagesynthrepair@yahoogroups.com, "Miguel Mendoza"
<miguel@...> wrote:
>
> Did you try to fire the envelopes by external gate? 
> 
>   ----- Original Message ----- 
>   From: duncan 
>   To: vintagesynthrepair@yahoogroups.com 
>   Sent: Sunday, August 03, 2008 11:23 PM
>   Subject: [vintagesynthrepair] Re: Yamaha CS-15: no envelopes....
> 
> 
>   >>So do you think that it is likely thay BOTH of the IG00159 went bad
>   ?....
>   > 
>   > As I said, both EG sections don't respond...<<
> 
>   dammit. I misread cs15 for cs5.... um.... no, that sounds like
>   something else. it could be two faders gone bad, or else the synth has
>   had some power-supply mishap in the past that killed both eg chips....
>   I would have to look at the schemos. I expect that part of the cs15 to
>   be broadly similar to the eg2/eg3 of the cs30. ok, theories
presently...
> 
>   :-)
> 
>   d.
>