Yamaha CS80

This reminds me, my CS60 is stuck in Sustain II mode even when the switch is
switched to Sustain I. I don't think the switch is at fault, is there
anything specific on the SH card I should be checking?

-S

On 12 May 2011 22:48, lucidsound <lucidsound@...> wrote:

>
>
> I understand that part of it, because in Sustain 1 the oscillator voltage
> is held by the capacitor on the SH card, whereas in Sustain II, the key
> assign is still connected to the oscillator.
>
> But it seems every one of these synthesisers I've ever worked on and that
> includes the CS-60, has this problem of oscillator pitch drift when
> releasing keys when using Sustain 1, some worse than others.
>
> My guess is leakage on the SH card caused by contamination, but I'd like to
> hear other people's experiences.
>
> If you have a CS-60 or CS-80, select Sustain 1 and set up a long release
> time, and see if the notes change in pitch during the release cycle.
>
> Lucid.
>
>
> ----- Original Message -----
> From: Laurie Curry
> To: yamahacs80@yahoogroups.com
> Sent: Thursday, May 12, 2011 9:40 PM
> Subject: Re: [yamahacs80] Pitch Drop When Using Sustain 1
>
> the secret to understanding the sustain switches is this..... When you use
> sustain 1 , the modulation sources and performance filters are interupted
> from the oscillator once the key is lifted... you will have a long release,
> by will not be able to pitch bend that hanging oscillator... so it is in a
> non controlled state....
> -----Original Message-----
> From: "lucidsound" <lucidsound@...>
> To: <yamahacs80@yahoogroups.com>
> Date: 05/12/2011 13:34
> Subject: [yamahacs80] Pitch Drop When Using Sustain 1
>
> Has anyone else come across the quirk whereby if using long release times
> in Sustain Mode 1, the oscillator pitch drops slowly when the notes are
> released? Switching to Sustain II brings the notes back to the correct
> pitch.
>
> I figure this is something to do with the Keyboard SH card, and voltages
> leaking away from the capacitors.
>
> Any suggestions or previous experiences of this problem welcome!
>
> Thanks,
>
> Lucid.
>
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>
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>  
>


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