Specification; Parts; Key Print; Multi Sensor Print - Toshiba HX-MU 901 Technical Information

1 Specification

• Musical keyboard with 49 keys
• multi sensor
• can be used with Toshiba HX- MU900 MSX music module
• same connector as NMS1160 Philips keyboard but not compatible

2 Parts

The parts of the keyboard are:

2.1 Key print

A printed circuit underneath the keys with:
• 15 pen connector: 8 out lines, 7 in lines
• 49 switches underneath the keys
• 49 diodes
• a printed circuits that implements the matrix as shown in the circuit diagram
• 49 diodes

2.2 Multi sensor print

A printed circuit underneath the multi sensor with wires from keyboard print to
connection print at multi sensor
• Connector for in lines (7)
• Connector for out lines (8)
• Two connectors for outside wiring
• Connector for multi sensor (flexible wires)

2.3 Wiring

Wiring connects all prints and the external connector

3 Circuit diagram of key print

On the next page sthe circuit diagram is shown. Shown in landscape!
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