Korg Poly800/EX800 Users

yes it's tip positive. 
--- In korgpolyex@yahoogroups.com, Marcus Wilson <JB@...> wrote:
>
> check the polarity of the power plug, it must be tip positive
> 
> if its tip negative, it will disconnect power from the battery and  
> apply inverted voltage to the input, theres a zener in there to offer  
> some protection so you
> dont fry everything, but its not a good thing to keep juiced up with  
> incorrect polarity
> 
> best regards,
> 
> Marcus Wilson
> 
> 
> On 25/08/2008, at 6:16 PM, Dennis wrote:
> 
> > This poly 800 seems to function just fine on batteries but when a 9
> > vdc converter is plugged in it goes dead. I figured it was the jack
> > and replaced it after desoldering the original and replacing it with a
> > clone. Same problem. Any ideas would be greatly appreciated!
> >
> > Thanks!
> >
> >
> >
>