MATRIXSYNTH: Korg MS-20 Mini Repair by False Electronics

Tuesday, March 12, 2019

Korg MS-20 Mini Repair by False Electronics


via False Electronics where you'll find the full write-up. A few pics of the front panel and what's under captured here.

"Despite the popularity of this synth and the number of mods documented online, there isn't a lot of information on some of the parts used, so hopefully this will be useful to others.

There are 3 main PCBs, all mounted to the sheet metal case and connected together with cables.
Digital board - power entry and power supplies, the microcontroller, MIDI and USB ports.
Analog board - all synthesizer circuits, knobs, switches and jacks.
Keyboard PCB - breaks out the keys to a connector. I didn't look at this."

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