Casio CZ/ VZ/ FZ - Pro Series

Thanks a lot for the information.  I did notice there was a 
compartment for 3 AA batteries on the bottom, but upon putting new 
batteries in I found that I was running into the same problem.

--- In CZsynth@yahoogroups.com, "steve_the_composer" <smw-mail@p...> 
wrote:
> To the best of my knowledge, the CZ-5000 and CZ-3000 do not have  
> CMOS batteries.  They do have a battery compartments underneath 
that 
> takes AA batteries (4 I think).  These provide the power to 
maintain 
> RAM presets when the unit is off.  ROM presets should be there even 
> without batteries.  I believe there is a powerup preset restore 
> button combination that will duplicate ROM presets in the RAM 
banks.  
> Unfortunately, I do not recall what it is.
> 
> (1) Test the batteries; replace if necessary.
> (2) If you have new batteries in there and RAM presets are not 
kept, 
> it may be another problem.
> (3) Make sure there is no corrosion on the contacts from a leaky 
> battery.
> 
> Hope this helps.
> Dr. Steve
> 
> --- In CZsynth@yahoogroups.com, "Simon Beck" <simon@a...> wrote:
> > Sounds like the internal CMOS battery has died. This probably 
looks 
> like a thick silver disk soldered to one of the internal circuit 
> boards, and when it's working it keeps the internal patches backed 
up 
> with a minute amount of power to the memory RAM chip. Any decent 
> synth tech should be able to put in a replacement.
> > 
> > Simon
> > 
> > Original Message ----- 
> >   From: thejunosound 
> >   To: CZsynth@yahoogroups.com 
> >   Sent: Thursday, May 20, 2004 8:37 AM
> >   Subject: [CZsynth] CZ 5000 saving problems
> > 
> > 
> >   Hey all,
> > 
> >   I'm having a hard time getting my CZ 5000 to retain saved 
> patches.  I 
> >   can get it to save the patches to internal memory just fine, 
but 
> when 
> >   I try to recall them after the unit has been powered down for 
> over a 
> >   minute or so, the patches have seemingly vanished.  Any 
> suggestions?