Vintage Synth Repair

Actually, zero volts shoud be ok, so you just need to short the 
input. Use a switching pedal (like a sustain pedal), or just hook up 
a cable and short the poles.

/Erik Forsling

--- In vintagesynthrepair@yahoogroups.com, "Miguel Mendoza" 
<miguel@...> wrote:
>
> You'll need a midi-CV converter or any other synth or module that 
could send a voltage. At this moment I don't remember exactly but I 
think that the pulse has to be negative.
> 
> 
> 
>   ----- Original Message ----- 
>   From: gil_we 
>   To: vintagesynthrepair@yahoogroups.com 
>   Sent: Monday, August 04, 2008 10:36 AM
>   Subject: [vintagesynthrepair] Re: Yamaha CS-15: no envelopes....
> 
> 
>   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 !
> 
>