Sharp ER-A570 (serv.man7) Service Manual ▷ View online
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
VR
1
20
K
R2
10
K
R1
27
K
G
C1
6
800
µ
/6
3
V
ST
R
2
1
2
4
1
2
3
4
5
L1
MC
-1
8
2
IC
1
G
NDP
V+
VC
D1
GS
A
30B
C2
22
00µ
/35V
D2
1S
S
8
2
VB
C
V
C
R3
15
K
R4
22K
C4
33µ
100V
+24V
GN
D
F1
DB
1
C3
0.
01
µ
/100
V
VIN
A
VIN
B
PIN
S
IG
N
A
L
VIN
A
VIN
B
VBC
VC
PIN
S
IG
N
A
L
PIN
S
IG
N
A
L
1
2
1
2
VI
N
C
N
V+
VC
GN
D
1
2
3
S
DB
A
2
0B
!
3
. Pow
e
r
s
upply
PW
B
c
irc
ui
t
dia
gra
m
T
2
.5
A
/2
50V
!
4
. Po
wer
s
u
p
ply
PWB
layout
53
-32V
12
34
567
89
1
2
3
4
5
6
789
RA2
100K
89
G1
G2
G3
G4
ID
DP
SC
DDP
DI
D
S A
G 7
G 6
G 5
+5V
+5V
C29
C30
13
1
2
IC
1
F
4069UBD
98
IC
1
D
4069UBD
C27
DG
1
2
DG
1
3
DG
1
4
DG
1
5
+5V
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13 RESET
13
14
C
S
14
15
S
C
K
15
16 SDATA
16
17
P
1
17
18
P
0
18
19 V
C
C
1
19
20
X
O
U
T
20
21
X
IN
21
22 VSS
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32 V
P
32
64
64
63
63
62
62
61
61
VC
C
2
6
0
60
59
59
58
58
57
57
56
56
55
55
54
54
53
53
52
52
51
51
50
50
49
49
48
48
47
47
46
46
45
45
44
44
43
43
42
42
41
41
40
40
39
39
38
38
37
37
36
36
35
35
34
34
33
33
IC
4
M66004FP
DG
8
DG
9
DG
1
0
DG
1
1
+5V
+5V
R15
1K
)
CLK
1
CLR
2
QA
3
QB
4
QC
5
QD
6
IC
2
A
74
LS
3
9
3
CLK
13
CLR
12
QA
11
QB
10
QC
9
QD
8
IC
2
B
74
LS
3
9
3
V
CC;
1
4
P
IN
G
ND;
0
7
P
IN
C28
1
3
2
X2
4069UBD
C26
100p
5
6
IC
1
C
74HC04
3
4
IC
1
B
4069UBD
11
1
0
IC
1
E
4069UBD
G1
G2
G3
G4
X1
32.
768K
H
Z
C3
15p
C4
15p
VCKDC
SB
SC
SD
SE
SF
SG
AP
1
JP
1
DDP
.
1
.
2
.
3
.
4
.
5
.
6
.
7
.
8
.
9
.
10
.
11
.
12
.
13
.
14
.
15
.
16
.
17
.
18
.
19
.
2 0
.
2 1
.
2 2
.
2 3
D D
I
G
2 4
.
2 5
V C C
2 6
.
2 7
.
2 8
.
2 9
S D I S P
3 0
.
3 1
.
3 2
SRES
33
DS0
34
.
35
.
36
.
37
.
38
.
39
.
40
RESET
41
OS
C
2
42
OS
C
1
43
GN
D
44
CL1
45
CL2
46
TEST
47
.
48
.
49
.
50
.
51
.
5 2
.
5 3
.
5 4
.
5 5
.
5 6
.
5 7
.
5 8
.
6 4
.
6 3
.
6 2
.
6 1
.
6 0
.
5 9
IC
3
CK
DC
4
SB
SA
AP
SF
SG
SE
SD
G7
G6
G5
/M
O
D
R
/C
F
S
R
KEX0
KEX1
ST0
ST1
/M
O
R
D
/C
F
S
R
KEX0
KEX1
ST0
ST1
R
8
47K
R
9
47K
C24
470p
C25
1000p
R10 4.
7
K
R11 4.
7
K
ST3
ST2
DI
D
ST2
ST3
ID
JP
2
DP
CKDCR
1
2
345
CA1
470p
/KR
2
/KR
3
/KR
1
C13 470p
R1
220
C5
0.1uF
R2
1M
CKDCR
/KR
1
/KR
2
/KR
3
1
2
IC
1
A
4069UBD
DG
0
DG
1
DG
2
DG
3
DG
4
DG
5
DG
6
DG
7
/RESETS
C8
0.1uF
DG
7
C1
10u/10V
/RESETS
/DCS
/D
SC
K
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
D32
D33
D34
-32V
C31
/RESETS
BUZZ
BUZZ
/RESETS
DS
O
/KR
0
/KR
Q
/SH
E
N
C
6
/470p
C
7
/470p
/KR
0
/KR
Q
/SH
E
N
R3
3
3
R4
3
3
R5
33
C12 470p
C14
470p
C15 1000p
/DCS
/D
SC
K
R6
33
STH
HTS
/SC
K
R7
47K
/ST
O
P
/PO
F
F
C16
470p
/SC
K
HTS
STH
D1
SB140
C17
0.
1u
C18
0.
1u
C19
0.
1u
C20
10u /1
6
V
C21
10u
/1
0
V
+5V
VCKDC
/PO
F
F
/S
T
O
P
VF1R
VF2R
VF1R
VF2R
3
2
F
L1
F
IL
T
E
R
3
2
F
L2
F
IL
T
E
R
C22
10u
/1
0
V
VCKDC
-32V
ZD1
RD39EB7
()
C11
C9
2200p
C10
470p
D3
DSS133
R14
2.
7
K
+5V
C23
0.1uF
/ST
O
P
/PO
F
F
VF1
VF2
-32V
VCKDC
1
2
3
4
5
6
7
8
DI
S
P
CN2
STH
HTS
/SC
K
/KR
Q
/SH
E
N
/S
T
O
P
/P
O
F
F
VF1
VF2
/M
O
D
R
/C
F
S
R
ST0
ST1
ST2
+5V
+5V
STH
HTS
/SC
K
/KR
Q
/SH
E
N
10
9
8
7
6
5
4
3
2
1
DI
S
P
CN1
C2
10uF
/1
0
V
/M
O
D
R
/C
F
S
R
ST0
ST1
ST2
KEX1
KEX0
/KR
0
/KR
1
/KR
2
/KR
3
CKDCR
1
2
3
4
5
6
7
8
9
KEYCN2
1
2
3
4
5
6
7
KEYCN1
KEX1
KEX0
/KR
0
/KR
1
/KR
2
/K
R
3
CKDCR
ST3
BUZZ
/RESETS
ST3
BUZZ
/RESETS
A
)
A
)
A
)
A
)
(5A
)
(5A
)
(8
C
)
(8
C
)
(4
A
)
(4
A
)
(4
A)
(5
A
)
(5
A
)
(3
A
)
(3
A
)
(6
A
)
(6
A
)
(6
A
)
(6
A
)
(6
A
)
(4
A
)
(4
A
)
(3
C)(4
A
)
(4
A
)
(
)
(
)
(
)
(
)
(
)
(
(4
B
)
(
)
(8
C
)
(8
C
)
(4
C
)
(4
C
)
(4
C
)
(4
C
)
(4
C
)
(8
C
)
(8
C
)
(8
C
)
(8
C
)
(7
C
)
(7
C
)
(6
B
)
(6
B
)
(6
B)
(4
C
)
(4
C
)
(4
B
)
(4
B
)
(7
B
)
(7
B
)
(1
D)(8
B
)
(1
B
)(8
B
)
6. Display PWB layout
7. Pop-up display PWB circuit diagram
8. 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
56
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
250V
L1
R
C
IL
C
665
4R
C
Z
Z
C2
0
.22
µ /
250V
240V
25
0V
T
R
AN
SE
F
O
R
M
E
R
N
/F
P
W
B
R1
390K
1/
2
w
L
N
0.
1
µ
N
O
IS
E
FI
LTE
R
PW
B TY
PE (
F
72
8
8
R
C
)
N/
F
T
R
ANSE
PW
B
U
N
IT
9
. N
o
ise
fi
lt
er P
W
B c
ircui
t diagram
S
T1
A
250
V
R
T
R
N
P
686
6R
C
Z
Z
!
1
0
. Noi
s
e f
ilt
e
r PW
B
l
a
yout
!
57
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