Block Diagram - Casio CTK-50 Service Manual

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BLOCK DIAGRAM

KO0~KO9
CPU
MSM6387-13
Amplifier
Filter
KI0~KI7
A4598
Q201
LSI201
Main Volume
IC101
Speaker
Keyboard
VC +9 V
AVDD +4.8 V
VDD +5 V
Power supply circuit
Switches
Q101, Q102, D102
Oscillator
Q301, X301

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