Yamaha CS80

Do you have the coarse and fine tune pot?  How about the TKC board?

I need an optocoupler too, but can' remember if there is another one on the CS-50 that isn't on the PRA board.

-Mike

--- In yamahacs80@yahoogroups.com, "dzlvs8@..." <dzlvs8@...> wrote:
>
> Andy, 
> So far I have sold a few sliders, two voice cards, the PRA board and a few other odds and ends.  If you are still interested in some items, let me know soon.  Also, I am pretty sure that if you are just interested in slider caps the cost of shipping wouldnt be worth the caps.  But we can talk.
> Steve
> 
> -----Original message-----
> From: kirkbyte@...
> To: yamahacs80@yahoogroups.com
> Sent: Sun, May 15, 2011 01:01:29 GMT+00:00
> Subject: Re: [yamahacs80] Yamaha Voice Card for Sale
> 
> Hi Steve,
> 
> I'm keen, i might also need some fader caps and other bits if you have them?
> 
> 
> Andrew
> 
> > steve kodnel <dzlvs8@...> wrote:
> > 
> > If anyone wants a voice card from a Yamaha CS-50, I have one for sale. 
> > ����It works perfect. ����I'm ����not sure how much to ask for one but I am 
> > going to say $300 obo right now. ����
> > Also, if you need any other parts, please let me know, I may still have 
> > them available.Thanks,
> > Steve
> > 
> > 
> > --- On Sat, 5/14/11, jkjelec@... <jkjelec@...> wrote:
> > 
> > From: jkjelec@... <jkjelec@...>
> > Subject: Re: [yamahacs80] Pitch Drop When Using Sustain 1
> > To: yamahacs80@yahoogroups.com
> > Date: Saturday, May 14, 2011, 4:13 PM
> > 
> > 
> > 
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> > OK, this is what I found: 
> > 
> > 
> > 
> > I was thinking that it had to be this, that I cut and saved from AH (I 
> > think) a few years ago: 
> > 
> > 
> > 
> > "Seems the SH card collects debris over the years from being near the 
> > front ���� 
> > 
> > of the machine, underneath the keyboard, and this reduces its 
> > effectiveness ���� 
> > 
> > as an insulator. The impedance of the input to the SH amps (CA3140T) is 
> > in ���� 
> > 
> > the order of 1.5 T Ohms (1500 Meg Ohms!) and the SH caps are quite small 
> > for ���� 
> > 
> > this application (0.22uF) so it doesn't take much to cause that voltage 
> > to ���� 
> > 
> > leak away. Some good old household dust plus several gigs in smokey ���� 
> > 
> > theatres (this was the eighties, don't forget) would probably be enough. 
> > 
> > 
> > 
> > 
> > I found if I lifted the end of the caps which feed to the CA3140T's from 
> > the ���� 
> > 
> > PCB, Pin 3 of the CA3140T's and also the 4066 Gate outputs and 
> > wire-linked ���� 
> > 
> > them together away from the surface of the PCB, the problem goes away. 
> > There ���� 
> > 
> > is still a very small voltage drop but even with full Sustain 
> > (Yamaha-speak ���� 
> > 
> > for Release) the change in pitch isn't noticeable. 
> > 
> > 
> > 
> > I'm guessing this must be a common fault, as the CS-60 card I have 
> > exhibits ���� 
> > 
> > the same problem. 
> > 
> > 
> > 
> > Lucid." 
> > 
> > 
> > 
> > jkjelec 
> > 
> > 
> > 
> > ----- Original Message ----- 
> > 
> > From: "lucidsound" <lucidsound@...> 
> > 
> > To: yamahacs80@yahoogroups.com 
> > 
> > Sent: Thursday, May 12, 2011 2:33:54 PM 
> > 
> > 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. 
> > 
> > 
> > 
> > [Non-text portions of this message have been removed] 
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> > ------------------------------------ 
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> > Yahoo! Groups Links 
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> ------------------------------------
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> Yahoo! Groups Links
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