Casio CTK-100 Video Game Keyboard User Manual


 
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BLOCK DIAGRAM
KO0~KO9
KI0~KI7
Keyboard
Switches
Oscillator
VDD +5V
Power supply circuit
VC +9V
Amplifier
Speakers
Output Jack
LA4598
Filter
T3/T4
CPU
MSM6387-13
Main Volume
T2