2-25MultiPASS C530/C560 Chapter 2: Technical Reference6. ELECTRIC CIRCUIT6.1 Component Block DiagramFigure 2-19 Block Diagram+3.3VDocument sensor Documentedge sensorAddress Bus A1 to A20Data Bus AD0 to AD15Data backupROM8M bit(IC3)SRAM256K bit(IC21)Real-timeclock IC(IC27)System control sectionDRAM64Mbit(C560)/16Mbit(C530)(IC11)Serial transmissionOperation panel unitReset IC(IC19)Address Bus SA0 to SA23System controller (1/3)(IC4)MPU(IC26)33 MHzAddress/Data Bus SD0 to SD15Driver IC(IC 6)Driver IC(IC 7)Sub-heaterCarriagemotorHome positionsensor BJ headPaper feedmotorSystem controller (2/3)(IC4)ROM4M bit(IC101)TemperaturesensorDRAM 4M bit(IC5)Cartridge detectionBi-CentronicsinterfacePrinter controlsectionMMMPU&Printer controler(IC100)Power supplyunit+12V+24V+5VAC120VInk detectsensorEEP ROM(IC1)HeaterdriverHeaterdriverPulsegenrationcircuitDriver IC(IC 16)Document feedmotorMRegulator(IC15)Pickup rollersensorUHQfunctionColor Contact sensorDocumentscanningsectionSystem controller(3/3) (IC4)Paper edgesensorNCU boardCommunicationcontrol sectionModem ICR288F(IC7:C560)FM214(IC2:C530)SpeakerAMP.SRAM256k bit(IC 14)Color ImageProcessingfunctionLED22.11MHz20MHz