Basic Structure Of Each Model; Disklavier (Or "Dkv") - Yamaha Disklavier MX100A Product Handbook

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).
<MX100>
Key Drive
Pedal Drive
<MarkII>
Key Drive
Pedal Drive
<MarkIIXG>
Key Drive
Pedal Drive
Drive Unit
Drive Unit
Drive Unit
FDD
Control Unit
I/O Unit
FDD
Control Unit
PK-CTLsheet
FDD Flash Memory
Control Unit
XG
PK-CTLsheet
I-4
Recording
Playback
Sensor Unit
Hammer Sensor
Key Sensor
Pedal Sensor
Sensor Unit
Hammer Sensor
Key Sensor
Pedal Sensor
Sensor Unit
Hammer Sensor
Key Sensor
Pedal Sensor