Casio CTK-750 manual

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Contents CTK-750 Contents General SpecificationsElectrical Replacing the DSP HG51A115A01FDUPD6376CX Block DiagramKey Matrix Circuit DescriptionNomenclature of Keys Reset CircuitButton Matrix MidiPin No Terminal In/Out Function CPU HD6433298A18PGate Array UPD65005C-578 Digital Signal Processor HG51A115A01FD Block diagram of DSP and DAC circuit Key Touch LSI HG52E35P Filter Block Power Supply Circuit Power Amplifier LA4620Name Voltage For operation AvddM5712-CN1M Wiring DiagramMajor Waveforms Page PCB View and Major Check Points Schematic Diagrams Console PCB M5712-CN1M Keyboard PCBs M615T-KY1M, KY2M Exploded View S8053ANO IC Lead Identification and Internal DiagramM5218APR PC900VBe C B Q2 2SD1762E,F Q4 2SB1274EB C E Parts List N N FOB Japan Code No Parts Name Specification Yen Unit Price Lower Case Screws MA0300941A