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Subject: RE: [korgpolyex] MK1 MEMORY PROBLEM

From: "backshall1 \(dsl\)" <backshall1@...>
Date: 2010-06-25

Since you said "batterys" I'm assuming you are talking about C cells and haven't got a lithium cell installed for the memory. The only time I've seen this problem, the C cells really were not making good contact and the memory would get wiped if the synth was bumped. If you haven't added a lithium cell for memory backup, I would suggest this as a first step. The modifications needed would depend on which version of the MK1 you have (#1-no lithium cell, no solder pads on the board  #2-no lithium cell but board has solder pads where it would eventually go  #3-Solder pads and an old dead lithium cell already there). I certainly would NOT solder in a battery. Install a socket for a CR2032 instead. If you've got a soldering iron, we can talk you through this.
 
Don B.

From: korgpolyex@yahoogroups.com [mailto:korgpolyex@yahoogroups.com] On Behalf Of bigbreadair
Sent: Thursday, June 24, 2010 5:20 PM
To: korgpolyex@yahoogroups.com
Subject: [korgpolyex] MK1 MEMORY PROBLEM

 

Hey guys! I bought a used MK1 a couple of years back. It worked great, but every once in a while would lose the factory presets when unplugged for an hour or so while gigging, reverting to unusable "noise" sounds. I am using fresh batterys. Since I have the factory patch SYSX I would simply dump it back in after the show, but a few months ago it stopped responding to the dump. After the load the diplay will say "good" but the weird "noise" presets will still be there. Anyone else encounter this issue?

jayson