The Kawai & Teisco Analog Synths Group

The spiking sound would appear to be something new that my X Station has started to do when effects are applied to the inputs.

So in actual fact it would appear that my new SX-240 is actually fully operational :)


--- In kawai-teisco@yahoogroups.com, Antoine Deschênes <antdes45@...> wrote:
>
> Hi again,
> 
> good to see that problem was solved. As for the spiking sound, if your 
> battery is dead, the synth will reset to defaults every times it's 
> turned on.
> The problem is, the LOWER default sound isn't an actual preset, but just 
> random stuff. Try to see if the spiking is still present with different 
> presets.
> Also, check if the LFO speed changes the spiking pattern. If not, it 
> might be the chorus chip, since you say it amplifies the problem.
> 
> Le 2009-09-27 08:02, Paul a écrit :
> > Antoine,
> >
> > Many thanks for the speedy post - most helpful.
> >
> > I own a JX-3p and have had experience with Audio Tape backup (Commodore 64 user in the 80s) - I was thrown by the power appearing to go off on the SX-240.
> >
> > Well thanks to your advice I was patient and waited and - presets loaded.
> >
> > Again many thanks for your help
> >
> > Paul
> >
> >
> >
> >
> >
> > --- In kawai-teisco@yahoogroups.com, Antoine Deschênes<antdes45@>  wrote:
> >    
> >> Hi,
> >>
> >> it looks like you've never had to use audio tape backup before.
> >>
> >> all the lights go out in the load operation mode, that's how the synth
> >> works.
> >>
> >> If you send valid audio data to the tape in jack (like the factory
> >> presets patch in the group's files section), it will display the data
> >> bank's name for a while, and eventually beep and get back to normal. It
> >> takes about a minute to load the bank.
> >>
> >> While the machine seems irresponsive, if you want to return to normal
> >> operation, press TAPE ENABLE again. The display will read BREAK for a
> >> second and the synth will then work normally.
> >>
> >> Antoine
> >>
> >> Le 2009-09-25 09:51, Paul a écrit :
> >>      
> >>> The machine switches off completely - all lights go out and it has to be
> >>> switched off and on again before the lights go back on
> >>>
> >>>
> >>> --- In kawai-teisco@yahoogroups.com, S S<we_are_computron@>   wrote:
> >>>
> >>>        
> >>>>    The machine switches itself off when I try to load the Preset Voices
> >>>>
> >>>>          
> >>> - the Display reads LOAD for a few seconds and then the power cuts off.
> >>>
> >>>        
> >>>> very strange as you say you are retaining patchs you save.Is it as you
> >>>>
> >>>>          
> >>> load the patches it turns complely off or is it just the load tape that
> >>> gos off?
> >>>
> >>>        
> >>>> my sx240 has never turned off by itself.could be lots of unique
> >>>>
> >>>>          
> >>> reasons as you have said. power source?? if its just tunring compleatly
> >>> off.as for noise on the off.mine has a slight noise but its suttle and
> >>> recordable.The only strange thing i have experenced using it alot is
> >>> when I swich patterns and tracks way to fast then I should while jaming
> >>> to fast from a master soucrce  the sx240 slaved with give a glich.but i
> >>> think that is due to it being on ommni and not all the patterns i go
> >>> therw are muted as there saved.Was the nicad every replaced to your
> >>> knowlage?How close did you inspect  the traces and ics ? The nicad
> >>> damage can be suttle to extreme when it starts to outgas.
> >>>
> >>>        
> >>>> --- On Fri, 9/25/09, Paul paul.marland@ wrote:
> >>>>
> >>>>
> >>>> From: Paul paul.marland@
> >>>> Subject: [kawai-teisco] Problems with my new SX-240
> >>>> To: kawai-teisco@yahoogroups.com
> >>>> Date: Friday, September 25, 2009, 8:06 AM
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> Hello there,
> >>>>
> >>>> I joined the group as I had recently won a SX-240 off Ebay.
> >>>>
> >>>> It had a missing Patch Selector button - but otherwise looked okay.
> >>>>
> >>>> However when it arrived and after some time testing it I found the
> >>>>
> >>>>          
> >>> following two problems.
> >>>
> >>>        
> >>>> 1. The machine switches itself off when I try to load the Preset
> >>>>
> >>>>          
> >>> Voices - the Display reads LOAD for a few seconds and then the power
> >>> cuts off.
> >>>
> >>>        
> >>>> 2. There is an regular, periodic electronic "spiking" from the outputs
> >>>>
> >>>>          
> >>> - inaudible when the synth is played through headphones but when reverb
> >>> is applied it exagerates it (even when both Osc's truned off the spiking
> >>> is there)
> >>>
> >>>        
> >>>> This obviously makes it practically useless for recording.
> >>>>
> >>>> Otherwise the machine is in a reasonable condition - It does have the
> >>>>
> >>>>          
> >>> original Time Bomb Battery fitted - there is no sign of corrosion
> >>> though.
> >>>
> >>>        
> >>>> I've programmed a few voices and the memory is retaining them.
> >>>>
> >>>> I'm quite disappointed - I got a good feeling from this synth and was
> >>>>
> >>>>          
> >>> looking forward to playing and recording with it.
> >>>
> >>>        
> >>>> Obviously there appears to have been only a few of these made so I
> >>>>
> >>>>          
> >>> should imagine that most emergent faults are likely to be unique.
> >>>
> >>>        
> >>>> Has anyone suffered from the above?
> >>>>
> >>>> Regards,
> >>>> Paul
> >>>>
> >>>>
> >>>>          
> >>>
> >>>
> >>>
> >>> ------------------------------------
> >>>
> >>> Yahoo! Groups Links
> >>>
> >>>
> >>>
> >>>
> >>>        
> >>      
> >
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> >
> >
> >    
> 
> 
> -- 
> Antoine
> 
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