Roland MKS-50
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6-voice / 6-DCO module version of Alpha Juno 2

PG300 Programmer
Mono/Stereo out with MIDI In, Out & Thru.
Uses the optional pg300 programmer with sysex over MIDI connections.
RAM check
To check RAM, press and hold the Patch A-B and Data Transfer buttons while powering up.
Restore Factory Patches
The next procedure will erase all Bank A Tone data and Bank A Patch data. Be sure to BACK UP YOUR DATA FIRST!
- Poly Mode – Power on holding NUMBER BUTTONS 4 & 8.
- Mono Mode – Power on holding NUMBER BUTTONS 3 & 7.
In both cases the following will be transferred from ROM to RAM:
- Tune/MIDI Function
- 16 chord memories
- 64 tones for the A group
- 128 patches for the A/B groups.
- TONE NAMES in group A will be copied to the group A PATCH NAMES
Download a MIDI sysex file of MKS50 factory default patches here.
Download scans of the factory patch chart side A and side B.
Service Notes(soon)
Links
- PG300 emulator and other sofware at the twilight MKS50 site
- MKS50 @ Sonic State
- MKS50 @ Vintage Synth.com
- User reviews @ Harmony Central
















