Sharp AR-M350N/M450N, AR-M350U/M450U service manual PCI-Bus, Sdram IC22, IC27 24MB

Page 23

=?%+4%7+6&+#)4#/PCIHOBlock ( ICU & Option ) !"#!$

PCI-Bus

System

Controller

IC19

456pin-BGA

SDRAM IC22, IC27 24MB


ICU ASIC						LVDS IC18
ICU ASIC		PM2500
IC25


304pin-QFP		IC13				Buffer IC8
						Buffer IC8

		160pin-QFP

Selector

OSC

X1

IC14

66.66Mhz

OSC

OSC

OSC

X5

X2

X4

68.5Mhz

40.57Mhz

31.55.Mhz

CN2		JCI-NIC
CN2		(100Base-T)
		(100Base-T)

		no support for
		STD control PWB J

CN12		HDD-PWB
CN12		(2.5inch HDD)
		(2.5inch HDD)

Scanner I/F

CN8

Engine I/F

CN13

AR-M350U CIRCUIT DIAGRAM 9-5

Image 23

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 AMS Copy FunctionAPS 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 valuesEngine section ADU Peripheral devices22-10 MFP Control PWBfor AR-M350U/M450U Block Diagrams Jtag 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 #!$ #!$