Yamaha MX-1, Product Handbook

Page: 12 / 116

I-4
2. Basic Structure of Each Model
DISKLAVIER (or “DKV”)
A typical Disklavier consists of the following three units.
• Control Unit: Includes control panel, FDD (floppy-disk drive), flash memory, CD drive, etc.
• Sensor Unit: Detects performance actions.
• Drive Unit: Drives keyboard and pedals during playback.
These units communicate with one another through the PK-CTL sheet (Pedal/Keyboard Control sheet).
Recording
Playback
<MX100>
<MarkII>
<MarkIIXG>
I/O Unit Drive Unit Sensor Unit
Control Unit
FDD
Hammer Sensor
Key Sensor
Pedal Sensor Key Drive
Pedal Drive
PK-CTLsheet Drive Unit Sensor Unit
Control Unit
FDD
Hammer Sensor
Key Sensor
Pedal Sensor
Key Drive
Pedal Drive
PK-CTLsheet Drive Unit Sensor Unit
Control Unit
FDD
Hammer Sensor
Key Sensor
Pedal Sensor
Key Drive
Pedal Drive
Flash Memory
XG