Sharp AR-M350N/M450N service manual MFP Control PWBfor AR-M350U/M450U, Block Diagrams

Page 19

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1. MFP Control PWB(for AR-M350U/M450U)

A.Block Diagrams

General

CPU

TMPR4955AF-200

SysCMD[8:0]

SysAD[31:0]

SYSTEM Controller

Dracula

SysAD[54:33]

Address Buffer Gate

MEMD[31:0]

LA[22:2]

Flash

DIMM (8MB)

Slot1,2,3

Mask DIMM

(32MB)

PS Kanji

SRAM (256KB)

MAA[12:0]
	SDRAM	SDRAM DIMM
MD[63:0]	64MByte		64/128/
MD[63:0]	(128Mbit x 4)		256MB
	(128Mbit x 4)		256MB	RTC
				RTC
LDATA[15:0]		IOA[15:1]
	Address Buffer	IOA[15:1]
	Address Buffer			I/O G/A
	EEPROM			(ASIC1)
	(64Kbit)
	Data Gate
	IOD[7:0]
PCI Bus				LCD Controller
PCI Bus

Buffer

TD62503F DS14C238 LVX161284

Scanner I/F RIC I/F IEEE1284 FAX I/F I/F

	HDD PWB	JCI-NIC
	(IDE)	JCI-NIC
	(IDE)

no support for STD control PWB J

ICU ASIC

	SDRAM (24MB)
							I/F
							I/F
							Engine

	PM2500
	PM2500

AR-M350U CIRCUIT DIAGRAM 9-1

Image 19

Contents AR-NC5J Product compositionStandard System ConfigurationsAR-RK1 AR-M350U/M450UAR-DU3 AR-EF1AR-RK1 AR-DU4Base Engine AR-M350U/M350N/M450U/M450N Basic SpecificationPrinter Function Specific FunctionDocument Feeding Equipment Output EquipmentScanner function Expanded RAMCopy function APS Copy FunctionAMS AR-SC2 Supply system tableEurope AR-SC1Environmental conditions Production number identificationAR-M350U Unpacking and Installation Installing procedure flowchart=?702#% AR-P14 installing procedure=?702#%-+0#0&+056#..#6+10HO Scanner / Dspf Maintenance System TableAR-M350U Maintenance Self print of set values Engine section ADU Peripheral devices22-10 MFP Control PWBfor AR-M350U/M450U Block DiagramsJtag BGA G/A CN3 BGASdram IC22, IC27 24MB PCI-BusCN1 =?%+4%7+6&+#4#/HO!#!$ #!$ Circuit DiagramVSS EL1 IC19A CKE #!$ IC19B VDD GND #!$ ASYSCMD3 Pclkd Pclkdr SYSCMD80 IC19C Pciclki #!$ #!$