Yes, both R1 and D1 are present (right by CN9A (C-Cell battery
compartment connector to board)).
Thank you.
--- In
korgpolyex@yahoogroups.com, "korgpolyex800" <korgpolyex800@...>
wrote:
>
> Since you say your board has the square solder islands then I'll be
> very surprised if your board actually has an R1 and D1 at all.
>
> Are you able to find them? If you are, where are they?
>
> Mike.
>
>
> --- In korgpolyex@yahoogroups.com, "funkymonkeypeter"
> <funkymonkey3.14@> wrote:
> >
> > This is my second Poly-800. The first had a problem with the
> > headphone amp and DC-in jack. This one works great and I don't want
> > to muck it up.
> >
> > If some one can answer my question I promise not to tell anyone what
> > really happened on 9/11.
> >
> > So, to cut or not to cut?
> >
> >
> > --- In korgpolyex@yahoogroups.com, "funkymonkeypeter"
> > <funkymonkey3.14@> wrote:
> > >
> > > Regarding the instructions here:
> > >
> > > http://analog.no/mods/korg_poly-800_mk-1_battery_backup.htm
> > >
> > >
> > > ∗ Open the Poly-800 by removing all screws at the bottom.
Locate
> > > the processor board. This is the large circuit board next to the
> > > battery compartment.
> > > ∗ In the upper left corner you'll find Resistor R1 and Diode D1.
> > > Remove these. (Just cut the legs, but leave as much as possible
of the
> > > D1 legs, see next steps.)
> > > ∗ If you have a late revision MK-1 there will be two fairly
large
> > > solder "islands" in the center of the board. The battery is mounted
> > > here. The "island" to the front of the keyboard is ground.
> > > ∗ If you have an early revision you wont find this. The battery
> > > must then be connected by wires, the plus to the junction between
> > > R1/D1 and the minus to the other leg of D1.
> > > ∗ Any 3V lithium with solder lugs can be used as long as it
is not
> > > to big physically for mounting to the board. A wristwatch type
(2025,
> > > 2032) is fine.
> > >
> > >
> > >
> > > I have the model with the solder islands, do i need to cut the
legs to
> > > R1 and D1? Or can I just solder to the islands and leave everything
> > > else intact?
> > >
> > > Thank you.
> > >
> >
>