Read Sharp MX-M350N / MX-M350U / MX-M450N / MX-M450U (serv.man4) Service Manual online
MX-M350/M450 BLOCK DIAGRAM / ブロック図 1 - 2
2. MFP CONTROLLER PWB / MFP コントローラ PWB
General
CPU Block
CPU
RM7065C-
466MHz
SYSTEM
Controller
Dracula III
SDRAM
ON BOARD
(128MB)
SDRAM
DIMM(144pin)
128/256MB
MD[63:0]
MAA[12:0]
SysCMD[8:0]
SysAD[63:0]
SysAD[54:34]
Address Buffer
Gate
LA[22:2]
MEMD[31:0]
Flash
DIMM
(16MB x1
8MB x2)
. BOOT
. MAIN
. OPTION
Mask DIMM
(32MB)
PS Kanji
LDATA[15:0]
Address
Buffer
Data
Gate
EEPROM
(64Kbit)
I/O G/A
(ASIC1)
IOA[17:0]
IOD[15:0]
232C
Driver
RIC I/F
Engine I/F
TD62503F
PCI Bus
ICU ASIC
SDRAM
(32MB)
PM2060i
IDE
Controller
Soft-NIC
RTC
LCD
Controller
FAX I/F
SysAD[31:0]
SRAM
(4Mbit)
USB
Controller
USB I/F
PM-22A
PM-22B
IDE
I/F
CPU I/F
Memory I/F
Local I/F
PCI I/F
Buffer
TD62503F
USB
HOST
Controller
USB
HOST I/F
D/A
Converter
CPLD
Scanner I/F
CPU
IC20
RM7065C
DC-DC
Converter IC718
3.3V(I/O)
1.3V(Core)
OSC
X700
74.
9
MHz
Clock buffer
IC
9
Reset IC
PST5
9
8DN
IC47
5V
System
Controller
IC700
PONRST
COLDRST
CPURST
3_EXTRQST
NMI, INT0*
I/O G/A
IC32
INT1*,INT2*,INT3*
SysCMD[8:0], SysAD[63:0]
Address
Buffer
IC726,
72
9
,732
LA[22:2]
LCX245
IC727,
728,730,731
MEMD[31:0]
SysAD[54:33]
Flash DIMM
CN4,5,6
Mask DIMM
CN7
JTAG
CN10
TDI, TMS, TDO ,TCK, TRST*
Address
Buffer
IC742,
743,744,745
LCX245
IC738,73
9
,
740,741
FAX I/F (CN16)
POF
MSW-MON,WAKE-UP*
2.5V
Reset IC
PST5
9
8IN
IC753
3.3V
3.3V INPUT
5V INPUT
CN8
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