Sharp AR-M550 (serv.man5) Service Manual ▷ View online
AR-550/555/620/625/700/705 BLOCK DIAGRAM /
ブロック図
2 - 4
PCI Block ( ICU & Option)
System
Controller
IC700
420pin-BGA
PCI-Bus
ICU ASIC
IC25
304pin-QFP
PM1075
IC725
52pin-QFP
OSC
X2
71.233MHz
OSC
X5
64MHz
Scanner
&
Engine
I/F
CN8
LVDS
IC18
Buffer
IC8
SDRAM
IC27
32MB
CN9
SOFT-NIC
(100Base-T)
PM22-A IC721
162pin-QFP
PM22-B IC723
162pin-QFP
OSC X1
66MHz
FPGA
EPM
3064A
44pin-
QFP
Clock buffer
IC29
OSC X3
33.333MHz
IDE I/F
CN701
IDE Controller IC66
160pin-QFP
USB Controller
IC703 100pin-QFP
Bus Buffer
IC67,68,69
XTAL X701
24MHz
USB I/F
CN700
I/O G/A
IC32
240pin-QFP
PCIREQx
PCIGNTx
I/O Block ( EEPROM & Misc I/O )
I/O G/A
IC32
240pin-QFP
CN1
LVX161284
IC15
232C Driver
IC42
IEEE1284 I/F
CN14
RIC I/F (RS232C)
Scanner I/F &Engine I/F
LCX373
IC733,
735,737
IOA[17:0]
LDATA[15:0]
LCX245
IC734,736
IOD[15:0]
DIP-SW
RTC
NJU6356
IC40
OSC
X7
14.7456MHz
EEPROM
IC36
64Kbit
IOA[13:1]
IOD[7:0]
Switcher
5V
CN8
LCD
Controller
IC53
232C Driver
IC3
CN15
Debug I/F (RS232C)
TD62503F
IC38,41,719
OSC X702
8.5MHz
Switcher
3.3V
SRAM
IC55
2Mbit
IOA[17:0]
SW0,SW1
IOD[7:0]
ALE,ALE-H
System
Controller
IC700
420pin-BGA
Battery
Xtal
32.768kHz
AR-550/555/620/625/700/705 BLOCK DIAGRAM /
ブロック図
2 - 5
3. SOFT NIC PWB /
ソフト
NIC PWB
CN1
(to controller)
PCI-Bus
Ethernet
Controller
DP83816
IC1
CN3
LAN I/F
EEPROM
IC3
1Kbit
OSC
X1
25MHz
AR-550/555/620/625/700/705 BLOCK DIAGRAM /
ブロック図
2 - 6
4. PCU PWB
ADDRESS(A0
– A20)
DATA(D0
– D15)
System
CLOCK
CLOCK
Analog output
DATA,CLOCK
PCU_RESET
RESET
UART
UART(DTR, DSR)
RES
POF
Clutch, solenoid, relay
Brushless motor, LED,
+24V1
+5V2
+12V2
+3.3V1
FW
RESET
ANALOG-OUT
FWS
Analog input (Fusing thermistor)
High
temperature
protection
Thermistor open detection
Thermistor open detection
Fusing control signal
DATA,
CLOCK
Oscillator
(LSU,MOTOR,PWM)
UART(TXD,RXD)
UART(DTR,DSR)
+5VLD
+12VS power
+5VS power
PROFF_CNT,PRON_FAX
DC power
Analog
power
(Vref)
+12V2
+5VS power
FW-SUB
+12VS power
Brush motor
Synchronous motor
(PPD, ADU/DV signal)
Sensor input
High voltage trouble detection
PGM clock, control signal
DCCNT (Power relay control)
Fusing thermistor
Temperature/humidity
sensor
AC voltage monitor
Process/developing
unit signal
Analog input
Power switch
monitor
(MSW-MON)
/PCU_RESET
System
CLOCK
CLOCK
UART(TXD,RXD)
(LCC, FINISHER,
INSERTER)
(LCC, FINISHER,
INSERTER)
(LCC, FINISHER,
INSERTER)
High voltage control signal (Enable, PWM output)
Brushless motor
Clutch, solenoid, relay
PWM output
(FAN)
Sensor input
+24V1
+24V
(Interlock line)
Flash ROM write control (FWP)
(Interlock line)
+24V
(Interlock line)
+24V
(Interlock line)
+24V
BD, control signal, VIDEO signal
Paper width detection
+24V
(Interlock line)
Door open/close detection (Interlock switch)
Sensor input (Manual unit)
Sensor input
PWM output (FAN)
FWS
Fusing control signal
Option detection
CLOCK
Fusing heater control
Direct control mode
select signal
+38V monitor
INT_PR (Relay)
BUP_PR (Relay)
HSYNC, PAGE
VIDEO signal
(+12VS power monitor)
/PCU_RESET
Stepping motor control signal
Fusing
control
signal
Fusing heater
relay control
I/O
I/O
PMC
ANALOG
IC
SWITCH
OP-AMP
OP-AMP
XTAL
COMPARATOR
ROM
FLASH
COMPARATOR
EEPROM
OSC
COMPARATOR
BUCKUP CIRCUIT
IC
REGURATOR-
OP-AMP
ASIC
ASIC
FPGA
CPU
DACs
S-RAM
SWITCH
DOOR
GATE-ARRAY
DRIVE
CIRCUIT
COMPARATOR
DCPS
PCU
LSU
HV un
AC PWB
CONTROLLER
SUB DCPS
SUB DCPS
PWB
DRIVER
AR-550/555/620/625/700/705 BLOCK DIAGRAM /
ブロック図
2 - 7
5. SCANNER CONTROL PWB /
スキャナコントロール PWB
Buffer
UART
POF_SCN
/RES_SCN
/RES_SCNin
/RES_SCNin
ADDRESS(A0
–
A20)
DATA(D0
–
D15)
Mirror motor
control signal
RES_CPU
DATA,
CLOCK
Mirror motor
SLEEP
FRDY
RES_MFP
UART
UART
Analog power
(Vref)
+12V2
Flash ROM write control (FWP)
Flash ROM write voltage (VCCW)
Stepping motor
control signal
CCFT
SEG
/F
Sensor input
Analog input
Document detection
light reception
Touch panel X
Touch panel Y
SPF document width
detection
LCD backlight TH
/ORSLED
/CL,FAN
RES_CCD1
IMAGE DATA CCD (LVDS)
LCD DATA (LVDS)
IMAGE DATA CIS (LVDS)
UART
RES_CCD2
LED lighting
circuit
Clutch solenoid
Clutch solenoid
KEYIN
Clutch solenoid
WAKEUP
WAKEUP
Sensor input
STAMP
KEYIN
SPED2,OCSW
I/O
XTAL
ROM
FLASH
CPU
S-RAM
EEPROM 64Kbit
DRIVE CIRCUIT
XTAL
EEPROM
4Kbit
OP-AMP
G/A
CCD
CIScnt
SCNcnt
PWB
SPF
MFP OPE
LVDS/INVERTER
CONTROLLER
STMP
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