Korg DW8000, Mono/Poly, MS-20...

This all sounds accurate.  That's what happened to my DW8000 when its battery died.  
Here's a website with info on how to replace the battery in a Poly 800 II, which I'd imagine 
is very similar to a Poly 61.  Check it out here:
http://www.pallium.com/bryan/polybattery.php

Also, DW8000 battery replacement guide is here:
http://www.pallium.com/bryan/dwbattery.php


--- In DW8000@yahoogroups.com, "gwai82" <gwai82@y...> wrote:
> I picked up the most beautiful and flawless korg poly-61 today off 
> this guy. The only thing wrong is that the tones are jacked up. He 
> was the original owner and told me that one day he decided to play it 
> after a little while of inactivity and it powered up perfectly, but 
> when he pressed a key it sounded messed up. He said that his friend 
> told him that it could possibly be something wrong with an internal 
> battery? I am not technical at all, but I've never heard of this. But 
> if it's true it sounds easy and inexpensive to fix. I got it for 
> nothing and it looks beautiful! The owner is an orchestra leader and 
> he is in his sixties, i trust him, but still am clueless? If you have 
> any info please fill me in. Do you know anything about internal 
> batteries?
> 
> much respect,
> 
> aaron