Read Sharp AR-M256 (serv.man12) Service Manual online
AR-M318/317FP ACTUAL WIRING CHART / 実体配線図 2 - 2
B. MCU PWB - OPERATION PANEL UNIT / MCU PWB - 操作パネルユニット (2/11)
C
N
1(52610-1871)
LCD
U
NIT
(F
F
C
)
<
OPU
P
WB
FFC
>
(F
F
C
)
<
K
E
Y
P
W
B
harness
>
C
N
9
(52207-1819)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
MC
U
PWB
GN
D
+
5V
s
u
b
/W
a
k
eU
p
_
Ke
y
Stan
d
b
y
_
LE
D
GN
D
/RX
D
_
OP
U
/T
X
D
_
OP
U
SR
D
Y
_
OP
U
/C
L
K
_
OP
U
CR
D
Y
_
OP
U
RE
S
_
OP
U
+
3.
3V
+
3.
3V
GN
D
+
5V
GN
D
+
24
V
_OP
GN
D
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
DI
S
P
D-G
N
D
D3
D2
D-G
N
D
D1
D0
3.3V
_
EX
T
D-G
N
D
M
CP
D-G
N
D
LP
V0
1
2
3
4
5
6
7
8
9
10
11
12
13
VE
E
14
15
C
N
5
(52746-1571)
CO
M
2
CO
M
0
/S
E
G
3
/S
E
G
2
/S
E
G
1
/S
E
G
0
SC
A
N
4
SC
A
N
2
SC
A
N
3
SC
A
N
1
SC
A
N
0
SE
N
S
E
4
SE
N
S
E
3
SE
N
S
E
2
SE
N
S
E
1
SE
N
S
E
0
IN
F
O
_
LE
D
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
GN
D
5V
s
u
b
ST
A
R
T
_
LE
D
/B
Z
R
_
PWM
/S
T
A
RT
_
KE
Y
20
21
22
23
24
C
N2(52271-2479)
CO
M
2
CO
M
1
CO
M
0
/S
E
G
3
/S
E
G
2
/S
E
G
1
/S
E
G
0
SC
A
N
4
SC
A
N
2
SC
A
N
3
SC
A
N
1
SC
A
N
0
SE
N
S
E
4
SE
N
S
E
3
SE
N
S
E
2
SE
N
S
E
1
SE
N
S
E
0
IN
F
O
_
LE
D
GN
D
5V
s
u
b
ST
A
R
T
_
LE
D
/B
Z
R
_
PWM
/S
T
A
RT
_
KE
Y
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
C
N
1
(IM
S
A
-9619S-24C-T
B
)
/C
C
F
T
1
2
CCF
T
+
CN
6
(S
M02(8.0)B-B
H
S-1-T
B
)
DI
S
P
D-G
N
D
D3
D2
D-G
N
D
D1
D0
3.3V
_
EX
T
D-G
N
D
M
CP
D-G
N
D
LP
V0
VE
E
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
(F
F
C
)
<
L
C
D
M
FFC
>
TOUCH
P
ANEL
X2
/
Y2
/
Y1
1
2
3
4
X1
C
N
4(52271-0469)
PANEL
UNIT
GN
D
24
GN
D
1
K
E
Y
PWB
O
P
U
PWB
GN
D
+
5V
s
u
b
/
W
akeUp
_
Key
S
ta
n
dby
_LE
D
GN
D
/R
X
D
_OP
U
/T
X
D
_OP
U
SR
D
Y_
OP
U
/C
L
K
_OP
U
CR
D
Y
_OP
U
RE
S_
OP
U
+
3.
3V
+
3.
3V
GN
D
+
5V
GN
D
+
24
V
_OP
GND
CO
M
1
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