Sharp ER-A610 (serv.man4) Service Manual ▷ View online
9. Display PWB layout
10. Pop-up display PWB circuit diagram
11. Pop-up display PWB layout
F2
J1
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
11
12
1
4
7
10
14
17
19
20
21
22
23
24
25
G9
F1
G8
G7
G6
G5
D P
G4
SG
SF
G3
SE
26
27
28
29
30
31
33
SD
G2
S C
SB
G1
SA
(J
2
)
P
O
PU
P PW
P PW
B
66
4
1
3
5
6
2
4
1
3
5
6
2
A
B
CD
E
F
G
H
I
A
B
CD
E
F
G
H
I
VI
N
A
VI
N
B
PS
C
N
1
2
AC
S
W
1
F1
C1
250
V
L1
R
C
IL
C
6
638R
C
Z
Z
L2
C2
0.
2
2µ /
250
V
240
V
2
50V
T
R
AN
SE
F
O
R
M
ER
R
C
IL
C
657
5R
C
Z
Z
N
/F
P
W
B
R1
390K
1/
2w
L
N
0.
1
µ
N
O
IS
E
FI
L
T
ER
PW
B TY
PE
(
F
7
2
8
8
R
C
)
N
/F
T
R
AN
SE
P
W
B
U
N
IT
1
2
. Noi
s
e
fi
lt
e
r P
W
B
circui
t di
a
g
ra
m
S
T1
A
250
V
R
T
R
N
P
6
866R
C
Z
Z
!
1
3
. N
o
is
e
f
ilt
e
r P
W
B
la
y
o
u
t
!
67
4
1
3
5
6
2
4
1
3
5
6
2
A
B
CD
E
F
G
H
I
A
B
CD
E
F
G
H
I
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
S0
S1
S2
S3
S4
S5
S6
A
B
C
G2
A
G2
B
G1
Y7
GN
D
VC
C
Y0
Y1
Y2
Y3
Y4
Y5
Y6
LS
138
+5
V
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A
B
C
G2
A
G2
B
G1
Y7
GN
D
VC
C
Y0
Y1
Y2
Y3
Y4
Y5
Y6
LS
138
+5
V
+5
V
S7
S8
S9
S1
0
S1
1
S1
2
S1
3
S1
4
S1
5
+5
V
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
B
GN
D
VC
C
+5
V
KR
0
B
KR
0
A
+5
V
1G
1C
3
1C
2
1C
1
1C
0
1Y
2G
A
2C
3
2C
2
2C
1
2C
0
2Y
H
C
153
KR
1
B
KR
1
A
S1
2
CF
S
R
RS
0
CF
S
R
S1
0
S1
1
RF
JF
S1
~
S
9
MO
D
R
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
B
GN
D
VC
C
+5
V
+5
V
1G
1C
3
1C
2
1C
1
1C
0
1Y
2G
A
2C
3
2C
2
2C
1
2C
0
2Y
HC1
5
3
KR
2
B
KR
2
A
47
K
x
2
R1
R2
47
K
x
2
KR
3
B
KR
3
A
CK
DCR
ST
0
ST
1
ST
2
ST
3
CF
S
R
MO
D
R
KEX0
KEX1
KR
0
KR
1
KR
2
KR
3
S0
KS0
S1
S2
S3
S4
S5
S6
KS1
KS2
KS3
KS4
KS5
KS6
S7
S8
S9
S1
0
S1
1
S1
2
S1
3
S1
4
D1
9
KS7
KS8
KS9
KS1
0
KS1
1
KS1
2
KS1
3
KS1
4
S1
5
KS1
5
+5
V
KR0
A
KR1
A
KR2
A
KR3
A
KR0B
KR1B
KR2B
KR3B
1
CN
4
2
3
4
5
6
7
8
9
10
11
12
1
2
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
K
EX1
K
EX0
KR
0
KR
1
KR
2
KR
3
CK
DC
R
GN
D
GN
D
+5
V
MO
DR
CFS
R
ST
0
ST
1
ST
2
ST
3
RE
C
E
IP
T
CN
RS
0
CF
S
R
MO
DR
+5
V
C
K
DCR
S9
S8
S7
S6
S5
S4
S3
S2
S1
CK
D
C
R
IC
1
C3
0.
1
µ
IC
2
C4
0.
1
µ
D7
S1
3
D8
D9
D1
1
RF
S
JF
S
RF
S
R
CN
6
R3
R4
R
7
R8
47K
x
2
47K
x
2
+5
V
IC
3
R1
1
R1
2
+5
V
IC
4
C2
0.1µ
C1
0.
1
µ
35
19
97
83
5
1
51
1
3
82
42
26
88
68
5
8
11
11
2
73
43
27
10
9
1
07
59
1
2
1
1
0
108
36
20
89
75
5
2
61
0
5
74
31
15
95
63
4
7
11
1
1
79
39
23
10
3
71
5
5
81
1
9
87
16
12
5
1
23
48
2
1
26
124
32
D1
2
D1
3
D1
4
D1
5
D1
6
D1
7
D1
8
D2
0
D2
1
D2
2
D2
3
D2
4
D2
5
40
24
10
4
64
5
6
91
2
0
72
54
38
85
78
7
0
22
8
6
77
62
46
93
91
6
9
30
9
4
92
41
25
11
7
1
15
57
1
0
1
1
8
116
33
17
4
9
31
2
2
80
D2
6
D2
7
34
18
96
65
5
0
41
2
1
81
37
21
90
68
5
3
71
0
6
84
44
28
98
67
6
0
13
11
4
76
45
29
10
1
99
6
1
14
1
0
2
100
RA
47K
x
8
R1
8
4.7K
Di
sp
-k
e
y
C
N
1
D
is
p
-k
ey
C
N
2
M
OD
E C
N
C
N
8
CN
7
C
N6
CN
8
CN
7
C
N
6
R1
7
4.7K
+5
V
CN
7
CN4
K
e
y
boa
rd
K
e
y
b
oard
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
CN9
CN
1
0
RF
S
JF
S
KS8
KS9
KS13
KS15
KS14
KS3
KS2
KS0
KS1
KS12
13
14
15
16
17
18
KS11
KS10
KS7
KS6
KS5
KS4
CFS
R
KR
1A
KR
1B
KR
0A
KR
0B
KR
3A
KR
3B
KR
2B
KR
2A
1
4
. Ke
yboard P
W
B
circui
t di
a
g
ra
m
68
15. Keyboard position code table
RECEIPT JOUNAL
22
30
38
46
54
62
70
78
86
94
102
110
118
126
21
29
37
45
53
61
69
77
85
93
101
109
117
125
14
7
20
28
36
44
52
60
68
76
84
92
100
108
116
124
13
6
19
27
35
43
51
59
67
75
83
91
99
107
115
123
12
5
18
26
34
42
50
58
66
74
82
90
98
106
114
122
11
4
17
25
33
41
49
57
65
73
81
89
97
105
113
121
10
3
16
24
32
40
48
56
64
72
80
88
96
104
112
120
9
2
15
23
31
39
47
55
63
71
79
87
95
103
111
119
8
1
69
