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Casio
CTK-220L
manual
LED PCB KDM446-LD1M
Models:
CTK-220L
1
13
19
19
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19 pages
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Specs
Parts list
Block Diagram
Page 13
Image 13
LED PCB
KDM446-LD1M
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Page 12
Page 14
Page 13
Image 13
Page 12
Page 14
Contents
CTK-220L
Contents
General
Specifications
CPU LSI1
Block Diagram
KEY Matrix
Circuit Description
CPU LSI1 MSM6755B-13
Filter Block
Major Waveforms
Sub PCB KDM445-MA2M
Printed Circuit Boards
Schematic Diagrams
Sub PCBs KDM445-MA2M/MA3M
Keyboard PCBs KDM4910K-KY1M/KY2M
LED PCB KDM446-LD1M
LED PCB KDM445-LD2M
LED PCB KDM446-LD3M
Exploded View
Parts List
Keyboard PCBs
Nov MA1100761A
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