Casio CZ/ VZ/ FZ - Pro Series

I suppose it might be a loose midi jack or a poor connection due to a soldering issue. But my guess is that other midi data (e.g., note on/off, patch change, pitch bend, mod wheel, CC, etc.) would be affected--not just sysex commands.

Nice that you have the skills to repair bad solder connections.

In the CZ-5000, the midi jacks are screwed securely to the case. If the screws are loose, if the case was stressed, if someone has messed around inside, etc., there could be a poor electrical connection with the midi connector, so it might be worth checking. (Still I wonder why only sysex would be affected.)

Steve

--- In CZsynth@yahoogroups.com, charlie midi gfa <charles.copp@...> wrote:
>
> anybody remeber when they bought that really cool midi device and after a 
> couple months they desired to uses sysex and it didn't work properily ?
> 
> 
> well i did ,,and if i wasn't a technician  it still lwould not be fixed ...
> 
> the ports had become loose from years of use  and required to be soldered 
> in order to reseat a loose or "cold weld"
> 
> ok
> 
> good luck
> 
> charlie
> 
> 
> ----- Original Message ----- 
> From: "steve_the_composer" <smw-mail@...>
> To: <CZsynth@yahoogroups.com>
> Sent: Thursday, August 22, 2013 7:43 PM
> Subject: [CZsynth] Re: Can't get sysex to work with a CZ-5000
> 
> 
> > With all due respect to you for your microprocessing expertise, after all 
> > the testing I did together with research and the various answers given to 
> > diagnostic questions, I do not believe the original problem is a result of 
> > the computer sending bytes too fast for the CZ--unless the CZ is 
> > defective.
> >
> > Steve
> >
> >
> >
> >
> >
> > --- In CZsynth@yahoogroups.com, "rghays9693" <rghays9693@> wrote:
> >>
> >>
> >> Daniel, All,
> >>
> >> It sounds to me like the issue i indeed that the computers are now 
> >> sending bytes to fast for the processor and it's buffer to keep up with.
> >
> > [snip]
> >
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>