Casio CZ/ VZ/ FZ - Pro Series

Sorry for saying this if you've considered it already, as it is quite
well-known, but I believe it's possible to fit a PP3 battery in place
of the D cells which will maintain user memory when the CZ101 is
switched off. Of course, if you turn it on without another source of
power the battery will instantly drain but it might help.

--- altamontunion <altamontunion@...> wrote:

> If we can just figure out what part of the synth needs to keep that 
> voltage running through it, we can just find the +voltage / -voltage 
> ports and maybe just solder on a 3V lithium watch-battery cell, like 
> on the Korg Poly 800.
> 
> There's got to be some way of doing this; I can try tinkering with 
> it, the CZs have that hard-reset button that resets all the presets 
> so if I totally botch stuff up, hopefully I can just reset it all. As
> 
> is, I gave up on using programmed patches, because the 6 D batteries 
> just vanish -- lithium, alkaline, rechargeable, or otherwise. It's 
> just not worth it spending that much money on D batteries. There must
> 
> be a better way.
> 
> 
> --- In CZsynth@yahoogroups.com, "Scott Nordlund" <gsn10@...> wrote:
> >
> > >If we could hack the CZ-101 / CZ-1000 / etc. to have this sort of
> > >dedicated memory, it would finally end our dependency on six 
> expensive
> > >D cells (which I've found rapidly run out, even when I ONLY use 
> the AC
> > >adapter!).
> > >
> > >And in addition, that 3V cell in the Korg Poly-800 lasts for a 
> good 7
> > >years or so. Let's brainstorm.
> > >
> > >Any schematics anywhere?
> > 
> > The problem you're facing probably isn't that the batteries get 
> drained- 
> > alkaline batteries (or whatever you're using) don't have a very 
> good shelf 
> > life.  Lithium batteries (used for memory backup) last much longer.
> > 
> > As for schematics, I haven't seen any around.  There doesn't seem 
> to be much 
> > of a scene for modding/repairing CZ synths.
> >
> 
> 
> 
> 
>