The Kawai & Teisco Analog Synths Group

Thanks for the reply, I appreciate it!

Well, I have no schematics for it and I looked at the power supply and
it seems fine given those voltages you have. I have a polysix and that
had a battery leakage issue but I don't see anything like that at all
on the SX240. Is it a much more subtle thing than acid leakage?

If you happen to know what happens durring power-up/reset, that would
help because it's like the thing doesn't want to turn over. Ans a
schematic would be most appreciated!

Thanks again for your help!

--- In kawai-teisco@yahoogroups.com, "Travis Shire" <boardjunkie@...>
wrote:
>
> Do you know what you're looking for? You should have +/-15v for the op
> amps and +5 for the logic. Check for that at the connector that comes
> from the pwr supply board or at the chip pins if you know the pinouts.
> More than likely its a battery leakage problem. I bet its powering up ok
> but just not operating due to battery damage. Not fun to repair....but I
> have a 240 here so if you need the cpu board repaired I can probably
take
> care of it. But it won't be cheap. I have the service manual as well. If
> I get some time I'll get it scanned and put in the files section.
> 
>   ----- Original Message -----
>   From: "gmanca101"
>   To: kawai-teisco@yahoogroups.com
>   Subject: [kawai-teisco] SX240 Power on Problem
>   Date: Wed, 16 Jan 2008 21:01:54 -0000
> 
>   Hello all! I just recently got a Kawai SX240 that won't turn on; the
>   piezo buzzer emits a whine when I turn it on; I replaced the three
>   big caps in the power supply and there is no change.
> 
>   It looks like a power supply issue but I would hate to replace every
>   single part to figure out what's wrong. The voltages seem ok but I
>   have no frame of reference and any help would be most appreciated!
> 
>   Thanks for your time!
> 
>   
> 
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