Korg Poly800/EX800 Users

> I guess that depends on what you DID do, and which of the three versions of
> MK1 you have. Leaving C87, C88, D23 allows the Poly-800 memory to run off in
> internal 5V supply while the synth is turned on, instead of the memory
> constantly using the Lithium cell whether the synth is on or off. Is D15
> still in the circuit? Did it already have a CR2032? Did you remove R1 and
> D1? Did this synth have the solder pads where the battery would eventually
> go, or is it a really early version without these pads?
>
>
>
> Don B.
>
>
>
> _____
>
> From: korgpolyex@yahoogroups.com [mailto:korgpolyex@yahoogroups.com] On
> Behalf Of eric justin
> Sent: Sunday, December 16, 2012 11:05 AM
> To: korgpolyex@yahoogroups.com
> Subject: [korgpolyex] MKI Battery Mod question.
>
>
>
>
>
> I just bought a second Poly 800 MKI and I'm in the process of doing all of
> the standard mods. I was about to do the battery mod so I looked up the
> instructions online to refresh my memory. After doing this, I realized that
> I didn't do the mod correctly on my other Poly 800 though it is working just
> fine. What I didn't do is remove C87, C88, D23 and cut the traces. Why do
> you have to remove these parts? I left them intact and the battery mod works
> fine?
>

--- In korgpolyex@yahoogroups.com, "backshall1" <backshall1@...> wrote:
>
> Okay, that means you should remove R1, D1 which are over near the 9v input
> jack. Otherwise, there will be +5V feeding through to the CR2032, which
> would attempt to charge the 3V battery up to 5V and could cause it to
> overheat. It's hard to tell from the diagram, but this may only be a problem
> if you also have the C-Cells installed.
>
>
>
> Don B.
>
>
>
> _____
>
> From: korgpolyex@yahoogroups.com [mailto:korgpolyex@yahoogroups.com] On
> Behalf Of eric justin
> Sent: Sunday, December 16, 2012 11:48 AM
> To: korgpolyex@yahoogroups.com
> Subject: [korgpolyex] Re: MKI Battery Mod question.
>
>
>
>
>
>
>
> --- In korgpolyex@yahoogroups.com <mailto:korgpolyex%40yahoogroups.com> ,
> "backshall1" <backshall1@> wrote:
> >
>
> Hey Don
> I guess Its the early version because there was no battery just the two
> soldier pads. I didn't remove anything, just hooked up a battery holder with
> a CD2032 to the + and - pads.
>
> Eric
> > I guess that depends on what you DID do, and which of the three versions
> of
> > MK1 you have. Leaving C87, C88, D23 allows the Poly-800 memory to run off
> in
> > internal 5V supply while the synth is turned on, instead of the memory
> > constantly using the Lithium cell whether the synth is on or off. Is D15
> > still in the circuit? Did it already have a CR2032? Did you remove R1 and
> > D1? Did this synth have the solder pads where the battery would eventually
> > go, or is it a really early version without these pads?
> >
> >
> >
> > Don B.
> >
> >
> >
> > _____
> >
> > From: korgpolyex@yahoogroups.com <mailto:korgpolyex%40yahoogroups.com>
> [mailto:korgpolyex@yahoogroups.com <mailto:korgpolyex%40yahoogroups.com> ]
> On
> > Behalf Of eric justin
> > Sent: Sunday, December 16, 2012 11:05 AM
> > To: korgpolyex@yahoogroups.com <mailto:korgpolyex%40yahoogroups.com>
> > Subject: [korgpolyex] MKI Battery Mod question.
> >
> >
> >
> >
> >
> > I just bought a second Poly 800 MKI and I'm in the process of doing all of
> > the standard mods. I was about to do the battery mod so I looked up the
> > instructions online to refresh my memory. After doing this, I realized
> that
> > I didn't do the mod correctly on my other Poly 800 though it is working
> just
> > fine. What I didn't do is remove C87, C88, D23 and cut the traces. Why do
> > you have to remove these parts? I left them intact and the battery mod
> works
> > fine?
> >
>