BLOCK DIAGRAM
Amplifier
AN8053N
IC101
Speaker
Filter |
Q101 |
VDD
CPU
LSI101
KO0 ~ KO8
KI0 ~
KI7
AVDD | Keyboard |
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Oscillator |
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Q102, X101 |
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| Buttons |
CIRCUIT DESCRIPTION |
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Key Matrix |
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| KI0 | KI1 | KI2 | KI3 | KI4 | KI5 | KI6 | KI7 |
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KO0 | F3 | F#3 | G3 | G#3 | A3 | A#3 | B3 | C4 |
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KO1 | C#4 | D4 | D#4 | E4 | F4 | F#4 | G4 | G#4 |
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KO2 | A4 | A#4 | B4 | C5 | C#5 | D5 | D#5 | E5 |
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KO3 | F5 | F#5 | G5 | G#5 | A5 | A#5 | B5 | C6 |
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KO4 | Music box | Glass harp | Piano | Street | Trumpet | Flute | Violin | Woodbass |
organ | ||||||||
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KO5 |
| Volume | Volume | Train | Car | Quiz | Cheer | Animal |
| Down | Up | ||||||
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KO6 |
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| Stop | Siren | Horror | Country | Carnival | Rap |
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KO7 | Dial | Dial | Dial |
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KO8 | Song 1 | Song 2 | Song 3 | Song 4 | Song 5 | Song 6 |
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Song 1: Twinkle Twinkle Little Stars | Song 4: Old MacDONALD Had a Farm |
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Song 2: Pop Goes the Weasel | Song 5: Clap Your hands |
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Song 3: Lullaby (Brahms) |
| Song 6: O Christmas Tree |
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— 3 —
