Read Sharp MX-M550U / MX-M620U (serv.man2) Service Manual online
MX-M550/M620/M700 BLOCK DIAGRAM / ブロック図 2 - 5
5. SCANNER CONTROL PWB / スキャナコントロール PWB
I/O
XTAL
ROM
FLASH
CPU
S-RAM
EEPROM
64Kbit
C
C
D
C
IS
c
n
t
UART
POF_SCN
/RES_SCN
/RE S_SCNin
RES_SC/Nin
ADDRESS
(A0
to
A
20)
DATA
(D0
to
D
15)
Mirror
motor
control
signal
DRIVE
CIRCUIT
XTAL
EEPROM
4Kbit
RES_CPU
DATA,
CLOCK
Mirror
m
otor
SLEEP
FRDY
RES_MFP
UART
UART
OP-AMP
Analog
power
(Vref)
+12V2
FLASH
ROM
w
rite
control
(FWP)
FLASH
ROM
w
rite
voltage
(VCCW)
Steppingmotor
controlsignal
S
C
N
c
n
t
P
W
B
S
P
F
CCFT
SEG
/F
M
F
P
O
P
E
Sensor
input
Analog
input
Document
detection
light
reception
Touch
panel
X
Touch
panel
Y
SPF
document
width
d
etection
LCD
backlight
TH
/ORSLED
/CL,
FAN
RES
_CCD1
IMAGEDATACCD
(LVDS)
LCDDATA
(LVDS)
IMAGE
DATA
C
IS
(LV
D
S)
UART
RES_CCD2
LED
lighting
circuit
C
O
N
T
R
O
L
L
E
R
Clutch,solenoid
Clutch,solenoid
Clutch,
solenoid
KEYIN
WAKEUP
G/A
Buffer
WAKEUP
Sensor
input
STAMP
KEYI
N
SPED2,
OCSW
S
T
M
P
L
V
D
S
P
W
B
CCFT
L
C
D
IN
V
P
W
B
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