TUBBUTEC Kawai SX-210 OrganDonor Vintage Synth Explorer Instruction Manual

TUBBUTEC Kawai SX-210 OrganDonor Vintage Synth Explorer

Product Information

Specifications

• Product Name: Tubbutec OrganDonor
• Compatible Model: Kawai SX-210
• Principle of Operation: Analog switches simulate keyboard presses
• Matrix Board: Special 8×8 matrix board with 16 soldered wires
• Power Connection: Power header on the top left corner of the voiceboard
• Keyboard Connection: 2 keyboard connection headers on the left side of the mainboard
• MIDI Connection: MIDI jack located to the right of the Kawai logo on the back side

FAQ

• Q: How many wires do I need to solder for the matrix board?
  • A: You need to solder just 16 wires for the matrix board.
• Q: Where is the power header located?
  • A: The power header is located on the top left corner of the voiceboard.
• Q: How should I connect the 10-pole ribbon cable?
  • A: Connect the 10-pole ribbon cable as shown in the provided diagram.
• Q: How many keyboard connection headers are there on the mainboard?
  • A: There are 2 keyboard connection headers on the left side of the mainboard.
• Q: Which wire is wire one for the ribbon cable?
  • A: Wire one is the one with the red stripe.
• Q: Where should I place the MIDI jack?
  • A: Place the MIDI jack to the right of the Kawai logo on the back side.

Product Usage Instructions

Installation

1. Remove the 4 screws from the top left pcb and install 4 10mm standoffs and the 4 nylon washers.
2. Mount the mainboard on top of the 8×8 matrix board using 4 of the 10mm standoffs, the 4 M3x6 bolts, and 4 M3 nuts.
3. Connect the 10-pole ribbon cable as shown.
4. Use the 4 screws you just removed from the top panel to secure the matrix board on the 4 standoffs.

Power Connections

1. Locate the power header on the top left corner of the voiceboard.
2. Remove the voiceboard, taking care not to damage the plastic standoffs.
3. Flip the voiceboard and solder the power connection wires to the bottom side as shown.
4. Plug the power wire assembly into the mainboard.

Keyboard Connections

1. Locate the 2 keyboard connection headers on the left side of the mainboard.
2. Remove the mainboard from the case and flip it.
3. Plug in the 16-pole ribbon cable to the matrix board.
4. Solder the 16 wires of the ribbon cable to the bottom side as shown. Wire one is the one with the red stripe.

MIDI Connection

1. Attach the drill aid to the case and use a center punch to mark the drill holes.
2. Place the MIDI jack to the right of the Kawai logo on the back side.
3. Drill two holes: 3.2mm each for mounting holes and 15mm for the MIDI jack. You can use a step drill or a screw hole punch for the 15mm hole.
4. Install the MIDI jack and plug it into the main board.

Tools Needed And What’s Included

Tools you will need

• Soldering iron
• Wire stripper
• Metal drill 3.5mm (or similar)
• Metal drill for a 15mm hole (stepping drill for example)
• Center punch
• Screw driver

Included in the kit

• OrganDonor Main Board
• OrganDonor 8×8 Matrix Interface Board
• Analog switch connection: 1×16 – 55cm
• Interconnect cable 22cm
• Midi connector assembly
• Power connector
• Learn button
• 8x M3x10mm standoff
• 4x M3 nylon washer
• 4x M3x6mm bolt
• 4x M3 nut
• Midi socket drill guide
• 2x M3x8 bolt, 2xM3 nut for midi socket

Principle of operation And Installation

Principle of operation

• OrganDonor uses analog switches to simulate keyboard presses directly.
• The Kawai SX-210 uses a matrix keyboard, and therefor we created the special 8×8 matrix board. That means you have to solder just 16 wires.

Installation

• Remove the 4 screws from the top left pcb and install 4 10mm standoffs and the 4 nylon washers.
• Mount the mainboard on top of the 8×8 matrix board using 4 of the 10mm standoffs, the 4 M3x6 bolts and 4 M3 nuts. Connect the 10pole ribbon cable as shown. Use the 4 screws you just removed from the top panel to secure the matrix board on the 4 standoffs.

Connections

Power connections

• Locate the power header on the top left corner of the voiceboard.
• Remove the voiceboard, take care not to damage the plastic standoffs.
• Flip the voiceboard. Solder the power connections wires to the bottom side like shown. Plug the power wire assembly in the mainboard.

Keyboard connections

• Locate the 2 keyboard connection headers on the left side of the mainboard.
• Remove the mainboard from the case and flip it. Plug in the 16pole ribbon cable to the matrix board. Solder the 16 wires of the ribbon cable to the bottom side as shown. Wire one is the one with the red stripe.

MIDI connection

• Attach the drill aid to the case and use a center punch to mark the drill holes. We placed the MIDI jack to the right of the Kawai logo on the back side.
• Drill the holes. 2X 3,2mm for the mounting holes, 15mm for the MIDI jack. For the 15mm hole you can either use a step drill or a screw holepunch. Install the MIDI jack and plug it in the main board.

Use cable ties to tidy up the wire assemblies. The completed installation should now look like this:

Documents / Resources

| TUBBUTEC Kawai SX-210 OrganDonor Vintage Synth Explorer [pdf] Instruction Manual
Kawai SX-210 OrganDonor Vintage Synth Explorer, Kawai SX-210, OrganDonor Vintage Synth Explorer, Vintage Synth Explorer, Synth Explorer
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