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BLOCK DIAGRAM
F#3 G#3 A#3 C#4 D#4 F#4 G#4 A#4 C#5 D#5 F#5 G#5 A#5
F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6
Nomenclature of Keys
KO0~KO10
KI0~KI7
Keyboard
Switches
Oscillator
Q958, X957
CPU
MSM6387-A23
LSI101
Amplifier
AN8053N
IC101
Speaker
VDD
MIDI Output
OUT
KO11
Driver
Q101