Ok, I'll use POLY-800 service manual and schematics.
Thank you for your help.
I'll make another user interface for the EX-800 using one button and one led for each parameter and an encoder for Up / Down value buttons.
Philippe.
--- In korgpolyex@yahoogroups.com, Michael Hawkins <korgpolyex800@...> wrote:
>
> Notice I used the word "almost".
>
> The diodes are for the Poly/Chord/Hold buttons that are not used on the EX-800. Other than that, there is ALMOST no difference.
>
> Certainly for the purpose of troubleshooting and repairing an EX-800, the Poly-800 schematic is all you need if you know what you're doing.
>
> Mike
>
>
>
> ________________________________
> From: phm050358 <phm050358@...>
> To: korgpolyex@yahoogroups.com
> Sent: Sunday, October 7, 2012 6:07 AM
> Subject: [korgpolyex] Re: EX-800 Schematic and service manual
>
>
> Â
> I do not think the schematics are exactly the same.
> For example, on board buttons and display, the number of diodes are not the same, the number of buttons is not the same.
> So I think there may be other important differences.
> That is why I am looking for the service manual of the EX-800.
> --- In korgpolyex@yahoogroups.com, Michael Hawkins <korgpolyex800@> wrote:
> >
> > Use the Poly-800 (PS-800) schematic. It's almost exactly the same as the EX-800.
> >
> >
> >
> > ________________________________
> > From: phm050358 <phm050358@>
> > To: korgpolyex@yahoogroups.com
> > Sent: Saturday, October 6, 2012 3:43 AM
> > Subject: [korgpolyex] EX-800 Schematic and service manual
> >
> >
> > ÃÂ
> > Hi,
> > I can not find the EX-800 service manual and schematics.
> > Thank you for your help.
> > Philippe.
> >
>