The Kawai & Teisco Analog Synths Group

From your description I tend to assume it's not the battery but a 
defective IC in the problematic oscillator.



--- In kawai_sx210@yahoogroups.com, Alan Johnston <ataboyal2001@y...> 
wrote:
> 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@y...> 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
> > >
> > >
> > >
> > >
> > > Yahoo! Groups Sponsor
> > >
> > > ADVERTISEMENT
> > > <122603_LREC_bkup_BR_Ashanti.jpg>
> > > 
> > >
> > > Yahoo! Groups Links
> > >
> > > • To visit your group on the web, go to:
> > > http://groups.yahoo.com/group/kawai_sx210/
> > >  
> > > • To unsubscribe from this group, send an email to:
> > > kawai_sx210-unsubscribe@yahoogroups.com
> > >  
> > > • Your use of Yahoo! Groups is subject to the Yahoo! Terms of 
> > > Service.
> > >
> > > 
> > 
> > 
> > 
> > 
> > Yahoo! Groups Links
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > __________________________________________________
> > Do You Yahoo!?
> > Tired of spam?  Yahoo! Mail has the best spam protection around 
> > http://mail.yahoo.com
> 
> 
> Yahoo! Groups SponsorADVERTISEMENT
> 
> 
> ---------------------------------
> Yahoo! Groups Links
> 
>    To visit your group on the web, go to:
> http://groups.yahoo.com/group/kawai_sx210/
>   
>    To unsubscribe from this group, send an email to:
> kawai_sx210-unsubscribe@yahoogroups.com
>   
>    Your use of Yahoo! Groups is subject to the Yahoo! Terms of 
Service. 
> 
> 
> 		
> ---------------------------------
> Do you Yahoo!?
> New and Improved Yahoo! Mail - 100MB free storage!