I posted the schematic of the CS-60 showing the M board to the Octave
switches etc.
It is in the Files section.
Regards
Rory McDonald
switches etc.
It is in the Files section.
Regards
Rory McDonald
On Nov 21, 2007, at 7:30 PM, Laurie Curry wrote:
>
> Could that be keyboard follow???
>
> On Pipe Organs, "Rank" refers to the manuals(keyboard tiers)
> -----Original message-----
> From: David Rogoff david@...
> Date: Wed, 21 Nov 2007 19:10:11 -0700
> To: yamahacs80@yahoogroups.com
> Subject: Re: [yamahacs80] Re: CS60 vs CS80
>
> Quazimodo wrote:
> > I think it might be something to do with resistors in the
> > 'Transposition Gate' section..?
> >
> > Would I be right in saying that R's 1~5 would need changing and also
> > the tuning presets, VR's 4,5&6..?
> >
> Here's what page 41 of the service manual says:
>
> CS80 CS50/60
> R1 10k 20k
> R2 20k 40k
> R3 40k 80k
> R4 80k 160k
> R5 100 180
> VR4 500 1k
> VR5 1k 2k
> VR6 2k 5k
>
> Basically, the CS80 M-boards are tuned up and octave from the CS50/60
> for the same footage inputs. I don't have the CS50 or 60 schematics to
> see how the footage/octaveswitches are wired to the M-Boards.
>
> It also talks about R6 and R7 in the VCF chips varying from CS80 to
> CS50/60 according to rank. I don't know what that means. Are the VCFs
> hand selected for the different models?
>
> David
>
> [Non-text portions of this message have been removed]
>
>
>
rorymcd@...
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