Read Sharp ER-A410 / ER-A420 (serv.man5) Service Manual online
ER-A410/ER-A420
CIRCUIT DIAGRAM AND PWB LAYOUT
– 25 –
VH +24V
+24V
with
FUSE
R1
22
K
F
R
2
1
.2
K
F
D
2
R
B
1
60L-60
R
5
(5
.6
K
)
C7
22
00
u
F
/5
0
V
R
8
1
0
(FUSE
R
)
L
2
1
8
0
u
H
C
h
oc
k
Q
1
6
:H
E
AT
S
IN
K
Q
1
K
T
D
99
8
B
D
1
C
P3
0
1
C
6
4
7
00
u
F
/5
0
V
1
T
P
2
V
O
D
3
1
S
R1
5
9
-2
00
F
3
T
2
.0
A
/2
5
0
V
(L
T
-5
)
C
11
1
00
u
F
/5
0
V
:V
:U
,A
,J
1
5
7
3
42
IC
2
L
M
2
5
7
4HV
N
*V
:0
o
h
m
fo
r
EU
R
O
P
E
US
A
+2
0
%
IN
P
U
T
&
N
O
L
O
A
D
: V
O
U
T
<=
4
0
V
P
O
W
E
R
T
R
AN
S
2
22
0
V
-2
3
0
V
1
2
0
V
C
1
M
Y
L
O
R
0
.0
33
u
F
1
2
C
N
1
P
S
C
N
(2
P
in
)5
2
7
3
-0
2
A
*U
,A
,J
:U
L
,C
S
A
T
3
.1
5
A
L
/1
2
5
V
F
2
SE
M
C
O
T
2
.5
A
L
/2
5
0
V
(W
IT
H H
O
L
D
E
R
)
6
,8
p
in
:N
.C
IC
3
1
:H
E
AT
S
IN
K
C
1
0
0
.1
u
F
V
CC
+
5
V
V
CC
+
5
V
V
L
E
D
V
L
E
D
1
2
C
N
3
(5
2
6
7
-0
2
A
)
EF
T
P
W
B
:G
N
D
1
2
C
N
2
B
T
C
N
(2
P
in
)5
2
6
7
-0
2
A
(BL
UE
)
V
CC
V
DD
V
L
E
D
+
5
.8
V
Z
D
1
P
T
Z
6
.2
A
R
3
3
K
F
R
4
1
K
F
C
4
1
000
u
F
/1
6
V
C
5
33
0
u
F
/1
6
V
C
8
0
.1
u
F
R
6
1
8
0
R
7
1
5
0
C
9
4
7
u
F
/1
6
V
1
T
P
1
V
B
AT
D
4
1
S
R1
5
9
-2
00
D
5
1
S
R1
5
9
-2
00
IP
E
A
K
>
2
.2
A
1
42
5
3
IC
1
P
Q
1
C
G
2
0
3
2
F
Z
D
1
R
B060L
4
0
C
2
22
0
u
F
/5
0
V
C
3
0
.0
1
u
F
F
1
T
1
.0
A
/2
5
0
V
(L
T
-5
)
L
1
1
8
0
u
H
C
h
oc
k
+24V
A
B
C
D
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
D
C
B
A
PO
WER
5/7
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