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Midi retrofit and feature extension Rev.3
Installation Manual for Korg Mono/Poly
NOTE: this is the installation manual for ModyPoly Rev.3.
You can find the text 'rev3' on the bottom of the ModyPoly
chip!
Tools you will need:
• Soldering iron
• Metal drill 3.2mm (or similar)
• Metal drill for a 15mm hole (stepping drill for example)
• Center punch
• Screw driver
Included in the kit:
• ModyPoly chip
• 3u3 electrolytitic capacitor, 820R, 10K7 and 11K5 resistors
• Midi socket drill guide
• 4x M3 bolt, 4xM3 nut for midi sockets
• Sticker for midi socket labelling
Tubbutec ModyPoly
http://tubbutec.de
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Summary of Contents for Tubbutec ModyPoly
- Page 1 Midi retrofit and feature extension Rev.3 Installation Manual for Korg Mono/Poly http://tubbutec.de NOTE: this is the installation manual for ModyPoly Rev.3. You can find the text ’rev3’ on the bottom of the ModyPoly chip! Tools you will need: • Soldering iron •...
- Page 2 Installation The ModyPoly is a drop in replacement for the ”key assigner” IC and thus very easy to install. Just plug and play basically. Three holes for the midi sockets and the sustain pedal jack have to be drilled in the back of the Mono/Poly and if you want to be able to control the filter via midi there is one cable to solder.
- Page 3 In order to install the processor board you have to remove the existing processor (IC13 D8049C 217) and replace it with the ModyPoly chip. You can use a small screw driver or an IC extraction tool to carefully lift the processor out of its socket.
- Page 4 (R78) on the right panel board (KLM-355C) as shown in the picture. The cable is the orange wire coming from the ModyPoly board. There are Mono/Poly´s without screen printing on the board. In this case...
- Page 5 Soldering the pitch bend wire The red wire is for controlling pitch bend. You need to solder three resistors and one capacitor on the back side of KLM-353C board as shown in the picture. Solder the 11K5 resistor across the outer legs of VR 2 (Bend intensity potentimeter), the 10K7 resistor between one leg of VR 4 and one leg of R16, see picture.
- Page 6 Pitch bend calibration After installing the pitch bend resistors, the pitch bend CV needs to be calibrated due to part tolerances. To perform pitch bend calibration, make sure BEND INTENSITY knob is set to 0 an set the BEND switch to VCF.
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