The Kawai & Teisco Analog Synths Group

Hi, as I said an adaptation in the circuit must be done when changing 
to Lithium. I agree as for the NiCD battery should be replaced asap 
if hasn't been already.


--- In kawai_sx210@yahoogroups.com, "boardjunkie1" <boardjunkie@t...> 
wrote:
> 
> 'Ello kiddies.
> I've had a 240 for a coupla years now and still don't know how to 
run 
> the sequencer. Not that its any big deal....wouldn't normally use 
it 
> anyway, but I'm curious to see if it functions.
> 
> BTW...the guy who just replaced the NiCd battery with a lithium is 
> asking for trouble. Lithium batteries cannot be recharged and the 
> unit will be attempting to recharge it with pwr on. Eventually it 
> will heat up and explode all over the place. You need a series 
diode 
> in the battery circuit to prevent this from happening.
> Those who have not had the NiCd battery replaced will be sorry if 
not 
> done immediately, and still there is likely to be damage to the 
pcb. 
> The corrosive gas that leaks from these batteries is not 
detectable, 
> and is heavy, so straight down the pcb it goes and begins the 
> reaction with the metals in/on the board which will not stop until 
> the acid is neutralized.
> 
> Does anyone have the service manual for the 240? Thought I'd check 
> here first before I track one down. Mine has a couple issues, 
minor, 
> but still.....not quite 100%.