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

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

Buffer

TD62503F DS14C238 LVX161284

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

HDD PWB	JCI-NIC
(IDE)

no support for STD control PWB J

ICU ASIC

SDRAM (24MB)
	I/F
	Engine
PM2500

AR-M350U CIRCUIT DIAGRAM 9-1