Casio CTK-401 manual Schematic Diagrams

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SCHEMATIC DIAGRAMS

Main PCB JCM442-MA1M

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Contents CTK-401 Contents Specifications GeneralElectrical Block Diagram Circuit Description KEY MatrixNomenclature of Keys CPU LSI1 MSM6755B-17 LCD Driver LSI3 SED1278F0A LvccPower Amplifier IC101 TA8248K Filter BlockAdjustment Main PCBMajor Waveforms Printed Circuit Boards Schematic Diagrams Sub PCB JCM442-MA2M Keyboard PCBs KDM4910K-KY1M/KY2M LCD SegmentExploded View Parts List Keyboard PCBs MA0600571A