Casio casio electronic keyboard manual Keyboard PCBs JCM4911K-KY1M/KY2M

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Keyboard PCBs JCM4911K-KY1M/KY2M

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Contents CTK-431 Contents Electrical SpecificationsGeneral Block Diagram Nomenclature of Keys Circuit DescriptionKEY Matrix CasioMcsb NCOMrdb DgndLCD Driver LSI3 KS0066U-10B CPU Power Amplifier IC101 LA4598Filter Block VCCVR1 TP1 AdjustmentMain PCB Major Waveforms Printed Circuit Boards Schematic Diagrams Sub PCBs JCM444-MA2M/MA3M Keyboard PCBs JCM4911K-KY1M/KY2M LCD SegmentExploded View Parts List Keyboard PCBs Overseas Service Division