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SYNTH TABLES
Roland MKS-70 / JX-10SE
Cable requirements
The Roland MKS-70 uses a standard MIDI cable. The JX-10 can also be used on this patch but
must have the Colin Fraser upgrade fitted (JX-10SE). The JX-10SE does not support
Upper/Lower Board changing so only limited control is possible.
Equivalent controls
Roland
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MKS-70 Controls - Page A
Osc 1 Range (1) 16', 8', 4',2' LFO Wave (26) Sine, Square, Random
Osc 1 Wave (2) Saw, Pulse, Square, Noise LFO Delay (27) Active
Osc 1 PW (3) Not Used LFO Speed (28) Active
Osc 1 Tune (4) Active Chorus/FX Rate (29) Not Active
Osc 1 LFO Mod (5) Active Chorus/FX Mode (30) Chorus Off, Chorus Mode 1 and 2
Osc 1 ENV Mod (6) Active HPF (31) Active
Osc 1 Mode (7) Osc 1 & 2 Envelope Source Select LPF Cutoff (32) Active
Osc 1 PWM (8) Not Used LPF Resonance (33) Active
Osc 1 Level (9) DCO Mixer 1 Control Filter LFO Mod (34) Active
Noise Level (10) Not Used Filter ENV Mod (35) Active
Osc 2 Range (15) 16', 8', 4',2' Filter Key Follow (36) Active
Osc 2 Wave (16) Saw, Pulse, Square, Noise Filter ADSR EG1 (37-40) Active
Osc 2 PW (17) Not Used Filter Mode (41) Filter Envelope Source Select
Osc 2 Tune (18) Active VCA ADSR EG2 (42-45) Active
Osc 2 Fine Tune (19) Active VCA Mode (46) Envelope (EG2 only), Gate
Osc 2 LFO Mod (20) Active VCA Level (47) Active
Osc 2 ENV Mod (21) Active
Osc 2 Mode (22) Not Used
Osc 2 PWM (23) Not Used
Osc 2 XMod (24) Off, Sync 1, Sync 2, XMod
Osc 2 Level (25) DCO 2 Mixer Control
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MKS-70 Controls - Page B
Osc 1 Range (1) Upper / Lower Voice Key Assign ** LFO Wave (26) Key Follow Env 1
Osc 1 Wave (2) Up/Low Hold Mode **
Both Voices Key Mode *
LFO Delay (27) Not Used
Osc 1 PW (3) Not Used LFO Speed (28) Not Used
Osc 1 Tune (4) Upper / Lower Chromatic Shift ** Chorus/FX Rate (29) Upper / Lower Unison Detune **
Dual Detune *
Osc 1 LFO Mod (5) Upper / Lower LFO Mod Depth ** Chorus/FX Mode (30) Key Follow Env 2
Osc 1 ENV Mod (6) Not Used HPF (31) Bender Mode Off/On **
Bend Range 2,3,4,7,12 semi tones *
Osc 1 Mode (7) Selects DCO1&2 Dynamics LPF Cutoff (32) Active
Osc 1 PWM (8) Not Used LPF Resonance (33) Active
Osc 1 Level (9) Upper / Lower Voice Balance * Filter LFO Mod (34) Active
Noise Level (10) Used for Mixer Modulation Filter ENV Mod (35) Active
Osc 2 Range (15) Upper / Lower Portamento On / Off ** Filter Key Follow (36) Active
Osc 2 Wave (16) Upper / Lower Bender On / Off ** Filter Release (40) Envelope 1 Key Follow
Osc 2 PW (17) Both Voices Portamento Time * Filter Mode (41) Select VCF Dynamics
Osc 2 Tune (18) Upper / Lower Split Point ** VCA Release (45) Envelope 2 Key Follow
Osc 2 Fine Tune (19) Not Used VCA Mode (46) Select VCA Dynamics
Osc 2 LFO Mod (20) Aftertouch Vibrato * VCA Level (47) Total Volume *
Osc 2 ENV Mod (21) Aftertouch Brilliance *
Osc 2 Mode (22) Selects Mixer Envelope Mode
Osc 2 PWM (23) Aftertouch Volume *
Osc 2 XMod (24) Selects Mixer Dynamics
Osc 2 Level (25) Not Used
* = These controls apply to both voices boards and are only found on the 'Both' B page
** = These controls are found only on the Upper or Lower B page
Roland MKS-70 Notes
The MKS-70 has two separate oscillators. The oscillator design in the MKS-70 is a digital system and the filter and the VCA is
the custom Roland chip the IR3R05 for each of the six voices. The circuitry is very similar to the JX-8P and the JX -10. The
MKS-70 is basically two JX-10 voice boards fitted into a rack mount case. The two boards are called Tone A and Tone B and
can have completely independent settings. The Patch Editor can address these separately on the MKS-70 or simultaneously
via the Tone Select Button. This feature will not work on the JX-10 with the Colin Fraser Upgrade and the boards must be
swapped on the JX-10 using the synthesizer buttons.
All controls will only effect the selected Tone Board (A or B) and the non selected Tone Board will remain unchanged.
Oscillator 1 & 2 share a common envelope type for the ENV Modulation controls (6) (21). The Oscillator 1 Mode Button (7)
selects the envelope type and source for both Oscillators and the Filter Mode Button (41) selects the envelope type and
source for the Filter. Valid options are EG1 (37-40) Normal, EG1 Inverted, EG2 (42-45) Normal and EG2 Inverted.
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MKS-70 Bug Report
Program releases v1.03 and v1.04 in the MKS-70 only allow access to Tone Board A via the MIDI port. Commands sent to
Tone Board B will only change Tone Board A settings. To correct this the MKS-70 needs to have the latest program v1.08
fitted. v1.05,1.06 & 1.07 have not been tested and may or may not work. For v1.03 you will require A,B&C Roms. For v1.04
only the A Rom is required. The 'A,B&C' Roms can be purchased from Kiwitechnics, Vintage Planet
(http://www.vintageplanet.nl) or possibly Roland but we have had issues getting support for the older equipment from
Roland. Pressing and holding the Value Switch at power on will display the version number of the A ROM on the MKS-70.
www.kiwitechnics.com Patch Editor v6.0
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