Casio
CTK-230 Sep. 2003
manual
Keyboard PCBs JCM4911K-KY1M/KY2M
Specifications
Parts list
Block Diagram
Diagnostic Program
Accessory
Disassembly
Overseas Service Division
Page 11
Keyboard PCBs
JCM4911K-KY1M/KY2M
— 9 —
Page 10
Page 12
Image 11
Page 10
Page 12
Contents
CTK-230
Contents
Specifications
LCD DB4~DB7 APO
Block Diagram
Circuit Description
Main PCB CMW277-MAIN
Printed Circuit Boards
Jack PCB
Disassembly
Diagnostic Program
APO check
LCD check
AC Adaptor check
Main PCB CMW277-MAIM
Schematic Diagrams
Keyboard PCBs JCM4911K-KY1M/KY2M
Exploded View
Parts List
Accessory
Overseas Service Division
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