The Kawai & Teisco Analog Synths Group

Thanks gil_wil,
 
   Hopefully it isn't the battery and I don't know anything about electronics so I'm gonna take it to someone does and I will get that battery replaced because I'm sure it hasn't been.        Thanks Again    AJ

gil_we <gil_we@...> wrote:
I suspect that the battery has leaked inside. If this is the case the
fix is not simple at all, and I'd suggest that you try to contact one
of the guys doing synth board repairs and recovery such as Oldcrow
(look on google). This assumption is due to the age of the unit.

However, following your description, it might be a dead voice or
EG chip on the voice board. EG chips are standard chips and are much
available but the voice chips are rare but may be available at ebay.

If you know some electronic diagnostics and repair I can give you 
some direction of how to try to determine the bad chip. But first of 
all open it up and look at the battery (white, on the middle, 
processor board). If it is good and has not leaked REPLACE IT NOW !!! 
because it is going to every second. Any electrinc technician can do 
this very easily. If the battery's OK so you're good. You just have 
to determine the bad chip, which I'm almost sure is laying on the 
circuit of the bad voice oscillator or EG section.

This synth definately worths fixing. I just got an Emu
sampler to which I'm going to sample every analog unit I have as it
seems they are all going to die in a few years... The 4xxx chips are
known to live for about 15 years, and considering the ones in the
SX210 and other vintage synths are about 25 years old, I don't give 
them too many years from now.




--- In kawai_sx210@yahoogroups.com, Alan Johnston <ataboyal2001@y...> 
wrote:
> Thanks for the advice!I think I might take it to someone who knows 
what they are doing!!I've had this thing under my bed for about 10 
years!!LOL  ataboyal
> 
> esasafrazz@f... wrote:this sounds more like a key contact problem, 
(maybe dirty) or a dead 
> voice maybe ?
> Im certainly no expert though
> 
> Whatever you do, definetly get it fixed, you have a special, 
underrated 
> synth!!
> 
> On Aug 23, 2004, at 7:16 PM, ataboyal2001 wrote:
> 
> >
> >     Hey Guys,
> >
> >
> >     I have a problem with a SX210 I have.It seems about every 4th 
or
> > 5th note is dead.Is something wrong----would the battery I hear 
you
> > guys talk about do something like this?????Please, any help would 
be
> > appreciated----don't know anything about keyboards!!   
ataboyal2001
> >
> >
> >
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