Read Sharp AR-M550 (serv.man22) Service Manual online
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
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