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

Models: AR-M350N/M450N AR-M350U/M450U

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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

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