Sharp ER-A220 (serv.man2) Service Manual ▷ View online
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
DRIVER
/A
A
/A
A
VH
1/
4W
1ohm
X
2
C2
6
10uF
/50V
R
137
R
50
GN
D
: 7
P
IN
V
CC :
1
4 P
IN
1
2
3
IC
7A
74
HC3
2
4
5
6
IC
7B
74
HC3
2
9
1 11 20
13
14
17
6
15
4 5 2 3 18 19
1 2
IC
13
LB
1843
V
IC
7
S
D
P
103
P7
3
VP
VC
C
FB
2
B
FW
75
50R
2
C
156
0.
1uF
Q
107
KR
A1
06
S
R
168
150:
1/
4W
D
104
1S
S
353
D
105
1S
S
353
C4
2
4700uF
/16V
G
P
105
P
101
VH
VH
C
159
0.
1uF
Q
105
K
R
C
106S
Q5
2S
J328
R
160
10K
R
158
10K
R
159
10K
R
157
4.
7K
D
110
1S
S
353
/S
4
N
ES0
R
VC
C
N
ES0
R
P9
1
/S
5
N
ES1
J
VC
C
N
ES1
J
P-
O
FF
C2
2
0.
1uF
C2
1
0.
1uF
Q
103
2S
K
2731
Q
104
2S
K
2731
R
143
100K
R4
4
100K
D
106
1S
S
353
D2
1S
S
353
D
111
1S
S
353
TH
P
100
TH
VC
C
HUP
S
/S
3
HUP
S
VC
C
C
157
0.
1uF
C2
3
0.
1uF
Q2
2S
K
2731
R4
9
18K
R4
3
100K
D1
1S
S
353
PH
1
PH
2
PH
3
PH
4
CT
CR
L
VC
C
C2
8
0.
1uF
13
4
16
8
5
15
14
7
6
10 12
9
2
3 11
1
IC
14
74H
C
123
9
1 11 20
13
14
17
6
15
4 5 2 3 18 19
1 2
IC
12
LB
1843
V
R
131
1K
F
C
151
0.
01uF
D3
1S
S
353
R5
1
1.
8K
VC
C
VC
C
VC
C
VH
R
133
10K
R6
4
3K
F
R
129
3K
F
R
132 1K
F
C2
7
0.
01uF
C
149
0.
01uF
C
150
0.
01uF
/B
B
B
/B
VC
C
1/
4W
1ohm
X
2
C2
5
10uF
/50V
R
136
R
141
R
130
10K
S
T
EP
PI
NG MOTOR
VR
EF
9
10
8
IC
7C
74
HC3
2
12
13
11
IC
7D
74
HC3
2
R
135
2.
7K
F
R
134
3.
3K
F
CL
K
TH
DA
T
LA
TC
H
DT
S
DA
T
CL
K
LA
TC
H
TH
DT
S
VP
VC
C
VC
C
P9
1
N
ESD
1
N
ES1
J
N
ESD
0
N
ESD
1
C2
0
0.
1uF
R5
6
10K
R
145
0
R
147
0
R
144
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
CN4
52045-
2645
P9
0
P9
1
P9
2
P9
3
/R
ES
ET
c d e f g dp
P1
0
P1
1
P1
2
P1
3
a# b#
VL
E
D
P9
0
P9
1
N
ESD
0
P9
2
P9
3
/R
ES
ET
c d e f g dp
P1
0
P1
1
P1
2
P1
3
a# b#
VC
C
VC
C
P9
1
N
ESD
1
VL
E
D
C5
0.
1uF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
CN2
52045-
3445
R
139
220
R
146
220
R
140
220
P9
4
P9
5
P9
6
P9
7
VO
FF
/S
3
/S
4
/S
6
/S
9
HUP
D
P9
4
P9
5
P9
6
P9
7
VO
FF
/S
3
/S
4
/S
5
/S
6
/S
9
/S
5
HUP
D
HUP
S
HUP
D
N
ESD
0
/A
/B
B A
N
ES0
R
HUP
S
HUP
D
N
ESD
0
/A B A /B
N
ES0
R
VC
C
VP
C
158
0.
1uF
C
152
0.
1uF
3/4
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
RS232C
P64
P74
P67
P64
P74
P67
VC
C
C19
0.1uF
C17
0.1uF
C16
0.1uF
C33
0.1uF
C32
0.1uF
C1+
12
C1-
14
C2+
15
C2-
16
T1IN
7
T2IN
6
T3IN
20
T4IN
21
R1OU
T
8
R2OU
T
5
R3OU
T
26
R4OU
T
22
R5OU
T
19
/E
N
24
V+
13
V-
17
T1OU
T
2
T2OU
T
3
T3OU
T
1
T4OU
T
28
R1IN
9
R2IN
4
R3IN
27
R4IN
23
R5IN
18
/S
HDN
25
V C C
1 1
1 0
1 0
IC11
MAX211
VC
C
EF
CB322513TS X 8
C18
10uF/5
0V
FB105
FB108
FB106
/RS
/E
R
/S
D
/RS
/E
R
/S
D
/CD
/CS
/DR
/CI
/CD
/CI
/DR
/CS
/CD
/S
D
/E
R
/DR
/RS
/CS
RD
RD
RD
/CD
RD
/S
D
/E
R
/DR
/RS
/CS
1
2
3
4
5
6
7
8
9
CN
8
87203-6066
100 * 5EA
ICP1
0.5A
VC
C
1000pF *
5EA
C144
C145
C136
C142
FB104
FB102
FB101
FB103
FB107
R61
R62
R60
R59
R63
SP
2
SH
O
R
TPI
N
C143
P66
P75
/S
9
P77
P76
P91
P66
P75
P77
P76
/S
9
P91
Q4
KRC111S
D6
1SS353
4/4
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
VP
VCC
SENSOR
1
2
3
4
5
6
7
8
9
CN18
52
80
6-0
9
1
0
VP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
CN17
52
04
5-2
6
4
5
VCC
/B
A
B
/A
HUPS
TH
DST1
23
HUPD
NESDO
NES0
R
NES1
J
NESD1
FOR
CN20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CN19
52
04
5-2
0
4
5
GND
13
2
4
PD1
GP2S
40
J
C1
12
_1
33
0p
F
1
2
3
CN20
53
01
4-0
3
1
0
DST4
56
LA
TCH
CLK
DAT
NES1
J
NESD1
VCC
VP
C112
33
0p
F
C57
0.
1u
F
C106
0.
1u
F
2. PRINTER I/
F PWB CIRCUI
T DI
AGRAM
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
3. KEY I/
F PWB CIRCUIT DI
AGRAM
G1
'
G2
'
G3
'
G4
'
G5
'
G6
'
A'
B'
C'
D'
E'
F'
G'
DP'
PDSG
7
G1
'
G2
'
G3
'
G4
'
G5
'
G6
'
PDSG
7
B'
C'
D'
E'
F'
G'
A'
DP'
G7
'
G7
'
G8
'
G8
'
G9
'
G9
'
G
10'
G
10'
15
1
ER-A220
52807-1510
PDSG
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CN14
R147
JM
P
R146
JM
P
D21
1SS
133
D22
1SS
133
D23
1SS
133
D24
1SS
133
D25
1SS
133
D26
1SS
133
D27
1SS
133
D28
1SS
133
/S0
/S1
/S2
/S3
/S4
/S5
/S6
1
2
3
4
5
6
7
8
9
10
11
CN10
52045-1145
DISP SE
LECT
G7
'
PDS
for
PO
PUP
for
REA
R
D
ISPLAY
P0
P1
/S0
P2
/S1
P3
/S2
/S3
/S4
/S7
/S5
/S6
/S8
/S9
VCC
VCC
P10
P11
P12
P13
VCC
C105
10uF/16V
C106
10uF/16V
A
1
B
2
C
3
G2
A
4
G2
B
5
G1
6
Y7
7
GN
D
8
VCC
16
Y6
9
Y5
10
Y4
11
Y3
12
Y2
13
Y1
14
Y0
15
IC19
74HC138
A
1
B
2
C
3
G2
A
4
G2
B
5
G1
6
Y7
7
GN
D
8
VCC
16
Y6
9
Y5
10
Y4
11
Y3
12
Y2
13
Y1
14
Y0
15
IC18
74HC138
C101
0.1uF
C102
0.1uF
C107
C108
C109
C110
100pF X 4
E
A
P91
P91
VCC
PDS
R145
10K
R134
12K
R135
12K
R136
12K
R137
12K
D32
1SS
133
Q4
0
KRC111M
or DTA114TS
D20
1SS
133
D29
1SS
133
D30
1SS
133
/S7
/S8
/S9
/S8
P[92
..97]
P
9
2
P
9
3
P[92
..97]
VCC
P
9
1
R138
12K
R139
12K
R140
12K
R141
12K
R142
12K
R143
12K
1
234
5
6
789
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
CN16
52045-2145
/S7
R127
R128
R129
R130
D31
1SS
133
S1
SS
S312
/S1
P
9
4
P
9
5
P
9
6
P
9
7
VLE
D
2.54m
m Pi
tch
/
S
0
/
S
1
/
S
2
/
S
3
/
S
4
/
S
5
/
S
6
/
S
7
VCC
R144
47K
M
D
R
P90
47K *
7EA
R131
R132
R133
C103
100pF
C104
100pF
VO
F
F
/RES
E
T
GN
D
VLE
D
P90
P91
P92
P93
P94
P95
P96
P97
VO
F
F
VLE
D
P90
P91
P92
P93
P94
P95
P96
P97
VO
F
F
VCC
a
b
c
d
e
f
g
dp
P10
P11
P12
P13
P11
P12
P13
/RES
E
T
/RES
E
T
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
CN15
52044-3445
P10
/S9
/S9
HDSP56
21 X 5
a
b
c
d
e
f
g
dp
C100
0.1uF
GN
D
Q2
4
Q
2
5
Q2
6
Q
2
7
Q2
8
Q
3
9
Q3
8
Q2
9
Q3
0
Q3
1
Q3
7
Q3
6
G
1
'
G
2
'
G
3
'
G
4
'
G
5
'
G
6
'
41
7
1 8
1
231
5
1 6
97
1 2
5
681
0
1 1
1
4
1
3
FND1
41
7
1 8
1
231
5
1 6
97
1 2
5
681
0
1 1
1
4
1
3
FND2
41
7
1 8
12
3
1 5
1 6
97
1 2
5
681
0
1 1
1
4
1
3
FND3
R148
120
R149
120
R150
120
R151
120
R152
120
R153
120
/S[0
..9]
G
1
0 '
Q2
0
Q
2
1
Q2
2
Q
2
3
Q3
5
Q3
4
Q3
3
Q3
2
KTA1273
X 10
KRA1
01M X 10
/S[0
..9]
G
7
'
G
8
'
G
9
'
41
7
1 8
12
3
1 5
1 6
97
1 2
56
8
1 0
1 1
1
4
1
3
FND4
41
7
1 8
12
3
1 5
1 6
97
1 2
56
8
1 0
1 1
1
4
1
3
FND5
or DTA143ES
A
R154
120
R155
120
R156
120
R157
120
1 8
1
IC17A
1 7
2
IC17B
1 6
3
IC17C
9 PI
N
:G
ND
10PI
N
: NC
KID650
83AP
dp
e
f
g
F
'
G
'
R6
30
R7
30
R8
30
D
P
'
f
g
d
p
1 5
4
IC17D
1 4
5
IC17E
1 3
6
IC17F
1 2
7
IC17G
1 1
8
IC17H
a
b
c
d
B
'
C
'
D
'
E
'
R1
30
R2
30
R3
30
R4
30
R5
30
b
c
d
e
a
A
'
/S3
/S4
/S5
/S6
/S3
/S4
/S5
/S6
1/2
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