Archive of the former Yahoo!Groups mailing list: Korg Poly800/EX800 Users

Okay, I've had my Poly-800 for about 10 years now. I hadn't opened it
until recently.

First, it has a battery, but the battery is now dead. What type of
battery should I replace it with?

Also, I think the previous owner had done some work on it. I'm not
sure exactly which IC it is, but there is a jumper soldered between
pin #1 and the first pin on the second side. There is also another
jumper right by it from a capacitor to one side of a transistor. I
know these aren't specific descriptions, but does anyone know what
they're for?

Thanks,
-Mike Walters
www.mysterycircuits.com