— 3 —
Key Matrix
KI0 KI1 KI2 KI3 KI4 KI5 KI6 KI7
KO0 F3 F#3 G3 G#3 A3 A#3 B3 C4
KO1 C#4 D4 D#4 E4 F4 F#4 G4 G#4
KO2 A4 A#4 B4 C5 C#5 D5 D#5 E5
KO3 F5 F#5 G5 G#5 A5 A#5 B5 C6
KO4
Volume
Down
Volume
Up
Light
On/Off
KO5 Tone 1
Rhythm
Stop
Tempo
Down
KO6 Tone 2 Tone 3 Tone 4 Tone 5
Rhythm
Select
Tempo
Up
KO7
Melody
Guide
Any Key
Play
Demo Play
LY0 LY1 LY2 LY3 LY4 LY5 LY6 LY7
LX0 C6 F5 E5 A4 G#4 C#4 C4 F3
LX1 B5 F#5 D#5 A#4 G4 D4 B3 F#3
LX2 A#5 G5 D5 B4 F#4 D#4 A#3 G3
LX3 A5 G#5 C#5 C5 F4 E4 A3 G#3
Keyboard LED Matrix
CIRCUIT DESCRIPTION
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