AR-M550 (serv.man5). CIRCUIT DIAGRAM - Sharp Copying Equipment Service Manual (repair manual). Page 6

Read Sharp AR-M550 (serv.man5) Service Manual online

: Jan. 9 2004
1
AR-550/555/620/625/700/705  BLOCK DIAGRAM / 
ブロック図
  2 - 2
2. MFP CONTROLLER PWB / 
MFP コントローラ PWB
CPU Block
CPU
RM7065
IC20
256pin-BGA
3.3V(I/O)
1.65V(Core)
74.9MHz
Reset IC
PST598DN
IC47
5V
PONRST
COLDRST
CPURST
3_EXTRQST
NMI, INT0*
I/O G/A
IC32
INT1*,INT2*,INT3*
SysCMD[8:0], SysAD[63:0]
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*
LCX245
IC738,739,
740,741
FAX I/F (CN16)
DC-DC Converter
IC717
5V
POF
MSW-MON,WAKE-UP*
2.5V
DC-DC Converter
IC718
OSC
X700
Clock buffer
IC9
Address
Buffer
IC726,
729,732
5V INPUT
CN702
System
Controller
IC700
Address Buffer
IC742,
743,744,745
CPU
RM7065
SYSTEM
Controller
Dracula III
SDRAM
ON BOARD
SDRAM
DIMM
64/128/256MB
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
(8MB)
Slot1, 2, 3
Mask
DIMM
(32MB)
PS Kanji
LDATA[15:0]
Address
Buffer
Data
Gate
EEPROM
(64Kbit)
I/O
 G
/A
(ASIC
1
)
IOA[17:0]
IOD[15:0]
LVX161284
IEEE1284
I/F
232C
Driver
RIC I/F
Engine I/F
TD62503F
PCI Bus
ICU ASIC
SDRAM
(32MB)
PM1075
IDE
Controller
Soft-NIC
RTC
LCD
Controller
FAX I/F
Buffer
SysAD[31:0]
SRAM
(2Mbit)
USB
Controller
USB I/F
FPGA
(EPM3064A)
PM-22A
PM-22B
PM2060
70 ppm model
IDE I/F
Bus Buffer
General
1
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