Casio CTK-220L manual LED PCB KDM446-LD3M

Page 15

LED PCB KDM446-LD3M

PCB NAME

LED PCB KDM445-LD4M

PCB NAME

— 13 —

Image 15

Contents CTK-220L Contents General SpecificationsCPU LSI1 Block DiagramKEY Matrix Circuit DescriptionCPU LSI1 MSM6755B-13 Filter Block Major Waveforms Sub PCB KDM445-MA2M Printed Circuit BoardsSchematic 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