Casio AP-21 Bedienungsanleitung PDF herunterladen (Seite 11)

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KI0 KI1 KI2 KI3

KO0 Piano2 E. Piano Harpsichord W. Bass

KO1 Piano1 Strings Choir E. Bass

KO2 Vibraphone Pipe organ Reverb

KO3 Song A Song B Record Start/Stop

KO4 Control Tune up Tune down Demo

BUTTON MATRIX

POWER SUPPLY CIRCUIT

The power supply circuit generates four voltages as shown in the following table.

Name Voltage For operation of

VDD +5 V CPU, Reset IC, Working storage RAM, DSP, Key touch LSI, Sound

source ROM, Effect RAM, Gate array

AVDD +5 V DAC

AVCC +12 V Filter, Mixer

AVFF -12 V Filter, Mixer

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Casio AP-21 Bedienungsanleitung Seite 11