Sharp AR-M350U/M450U Printer User Manual


 
AR-M350U CIRCUIT DIAGRAM 9-1
[9] CIRCUIT DIAGRAM
1. MFP Control PWB(for AR-M350U/M450U)
A.Block Diagrams
CPU
TMPR4955AF-200
SYSTEM Controller
Dracula
SDRAM
64MByte
(128Mbit x 4)
SDRAM DIMM
64/128/
256MB
MD[63:0]
MAA[12:0]
SysCMD[8:0]
SysAD[31:0]
SysAD[54:33]
Address Buffer Gate
LA[22:2]
MEMD[31:0]
Flash
DIMM
(8MB)
Slot1,2,3
Mask DIMM
(32MB)
PS Kanji
LDATA[15:0]
Address
Buffer
Data
Gate
EEPROM
(64Kbit)
I/O G/A
(ASIC1)
IOA[15:1]
IOD[7:0]
LVX161284
IEEE1284
I/F
DS14C238
RIC I/F
Engine I/F
TD62503F
PCI Bus
ICU ASIC
SDRAM
(24MB)
PM2500
HDD PWB
(IDE)
JCI-NIC
General
RTC
LCD
Controller
Scanner I/F
SRAM
(256KB)
FAX I/F
Buffer
no support for
STD control PWB J