Read Sharp MX-M550U / MX-M620U (serv.man2) Service Manual online
MX-M550/M620/M700 BLOCK DIAGRAM / ブロック図 2 - 2
2. MFP CONTROL PWB / MFP コントロール PWB
CPU
RM7065C-
600MHz
SYSTEM
Controller
Dracula III
ON BOARD
(128MB)
SDRAM
SDRAM
DIMM(168pin)
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]
A
d
dr
ess
Buffer
Data
Gate
EEPROM
(64Kbit)
(64Kbit)
I/O G/A
(ASIC1)
IOA[17:0]
IOD[15:0]
232C
Dri
ver
RI
C
I/F
Engine
I/F
Scanner
I/F
TD62503F
PCI Bus
ICU ASIC
SDRAM
(32MB)
PM1075
IDE
Controller
Soft-NIC
RTC
LCD
Controller
FA
X
I/
F
SysAD[31:0]
SRAM
(4Mbit)
USB
Controller
USB I/F
CPLD
(EPM3064A)
PM-22A
PM-22B
IDE
I/F
CPU I/F
Memory I/F
Local I/F
PCI I/F
Buffer
TD62503F
PM2060i (For 55/62ppm)
USB
HOST
Controller
USB
HOST I/F
D/A
Converter
CPLD
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