MATRIXSYNTH: Korg Prophecy Rom Replacement Part 1: Problem ROMs

Monday, December 09, 2019

Korg Prophecy Rom Replacement Part 1: Problem ROMs

Published on Nov 6, 2017 andyangst

"A short video demonstrating problems with the Korg Prophecy and ROM firmware versions prior to #18. How to find out your current ROM version. How to open up the Prophecy and to check. Advice on buying replacement ROMs and IC sockets to replace. Removing and replacing ROMs in sockets.

The next part will demonstrate the removal (de-soldering) of Korgs original ROM chips, soldering in new IC sockets and replacing the original chips with version #20 ROMs."

Not seeing part 2 on his channel, so just posting part 1 as an FYI for those interested. Note this only appears to affect syncing with external gear. Curious if the problem is with the Prophecy sending MIDI clock as well or only receiving.

You can find Korg Prophecy Rom chips on eBay and Reverb.

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