Casio CZ/ VZ/ FZ - Pro Series

Checked the relay the is grounding the output while the synth is 
turned off?

On 4 Jul 2010 at 17:36, kasiofz wrote:

> 
> Hi,
> I want to add that if someone programs the internal sounds amp env
> maximum level at 55 value the distortion will stop when multiple
> keys are pressed down. Although the sound volume level will fall
> quite a lot.
> Regards
> 
> --- In CZsynth@yahoogroups.com, "kasiofz" <kasiofz@...> wrote:
> >
> > Hi
> > I'm searching too for the full service manual. Also I'm having the
> same problem here. i think that it has to do with the DAC offset
> voltage value. I measure it at about 2.5v DC. I also have checked a
> CZ-5000 service manual which states that the DAC offset voltage
> value must be around 300mV. The problem is that I can not figure out
> why I'm read this hi voltage value (2.5v). The VR2 trimmer  doesn't
> do anything. Please share any additional thoughts.
> > Regards
> > Bill
> > 
> > --- In CZsynth@yahoogroups.com, "udon.juan" <udon.juan@> wrote:
> > >
> > > Hello Baptiste,
> > > 
> > > Did you ever come across anything? I have an old CZ-101 with
> similar problems, and I am looking to rehabilitate it.
> > > 
> > > Best, Udon
> > > 
> > > --- In CZsynth@yahoogroups.com, "Baptiste" <oscillate_wildly1@>
> wrote:
> > > >
> > > > Hi,
> > > > 
> > > > Does anyone have a CZ 101/ 1000 service manual which includes
> all the calibrations, and how to repair the CZ, not just the
> schematics?
> > > > 
> > > > Because I have a faulty CZ 101. The problem is when I push
> down more than one key, it starts to warble and sounds very
> distorted. I have been advised that it may be one of the op amps,
> but I would rather check the calibrations before replacing it.
> > > > 
> > > > Thanks!
> > > >
> > >
> >
> 
> 
> 
> 
> ------------------------------------
> 
> Yahoo! Groups Links
> 
> 
> 
> 


-- 

CZ/VZ 		mailing list	: http://groups.yahoo.com/group/CZsynth
FMHeaven	mailing list	: http://groups.yahoo.com/group/fmheaven/
FS1R		mailing list	: http://groups.yahoo.com/group/fs1r/	
Vokator		mailing list	: http://groups.yahoo.com/group/vokator
FM-Synthesis	mailing list         : http://groups.yahoo.com/group/fm-
synthesis/

http://www.summasounds.de/