Sharp AR-M350N/M450N, AR-M350U/M450U service manual Bga G/A

Page 21

=￿￿?%+4%7+6&+#)4#/￿HO￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿!"#!$

ROM Block ( Flash & Mask )

 

SysAD[54:32]

Address

LA[22:2]

 

 

Buffer

 

 

IC12, 21

 

SysAD[31:0]

LCX16245

 

MEMD[31:0]

 

 

 

 

 

 

 

 

 

 

 

 

IC16, 24

 

 

 

 

 

 

 

 

DIMM Slot

3.3V

VCCW

GND

ROMBUFOE*

ROMBUFDIR*

 

 

 

 

CODECS0*

 

CODECS1*

 

CODECS2*

 

CODECS3*

 

FONTCS0*

System

FONTCS1*

FONTCS2*

Controller

FONTCS3*

 

FONTCS4*

IC19

FONTCS5*

FONTCS6*

456pin-

FONTCS7*

 

 

 

 

BGA

 

 

 

 

 

I/O G/A

IC32

240pin-

QFP

FMCS8:CN4

FMCS10:CN5

FMCS12:CN6

CN4:8MB-Flash

CN5:8MB-Flash

CN6:8MB-Flash

AR-M350U CIRCUIT DIAGRAM 9-3

Image 21
Contents AR-NC5J Product compositionStandard System ConfigurationsAR-RK1 AR-M350U/M450UAR-RK1 AR-EF1AR-DU4 AR-DU3Base Engine AR-M350U/M350N/M450U/M450N Basic SpecificationDocument Feeding Equipment Specific FunctionOutput Equipment Printer FunctionScanner function Expanded RAMCopy function Copy Function APSAMS Europe Supply system tableAR-SC1 AR-SC2Environmental conditions Production number identificationAR-M350U Unpacking and Installation Installing procedure flowchart=?702#% AR-P14 installing procedure=?702#%-+0#0&+056#..#6+10HO AR-M350U Maintenance Maintenance System TableSelf print of set values Scanner / DspfEngine 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 #!$ #!$