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Musical Instruments & Equipment
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Electronic Keyboard
Casio
CTK-530
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Contents
Main
CONTENTS
SPECIFICATIONS
GENERAL
ELECTRICAL
3
BLOCK DIAGRAM
CIRCUIT DESCRIPTION
KEY MATRIX
Note: Each key has two contacts, the first conatct (1) and second contact (2).
NOMENCLATURE OF KEYS
RESET CIRCUIT
CPU (LSI101: UPD912GF-3BA)
DAC (IC103: UPD6379GR)
Filter Block From DAC To power amplifier
POWER SUPPLY CIRCUIT
FILTER BLOCK
POWER AMPLIFIER (IC102: LA4598)
LED DRIVING
1 2 3
4 5 6
7 8 9
C D
MAJOR WAVEFORMS
Page
SCHEMATIC DIAGRAMS
JCM460-MA1M
Page
EXPLODED VIEW
Page
Page
Description of Capacitors
Description of Resistors