Sharp AR-M550U - Page 11

AR-555/550/620/625 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