On Fri, 2009-09-11 at 07:06 -0700, Michael Hawkins wrote: > > > If you have five C batteries in the Poly-800, then the patches should > stay. > > But, there is also a location on the main printed circuit board for > installation of a lithium battery. > > On some early main boards, there are no pads for the battery to > install onto. But most boards do have the pads. > > They're right smack in the middle of the main board. Check to see if > there's a lithium battery soldered in there. Since all you need to do is ensure that /CE is high and there is power to the chip, it should be easy enough to bodge in the required diode, resistor and battery to any model. Gordon MM0YEQ
Message
Re: [korgpolyex] poly 800 won't hold program
2009-09-11 by Gordon JC Pearce