Read Sharp ER-A450S (serv.man3) Service Manual 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
8/12
DI
SPLAY DRIVER(CKDC8)
R1
4
12
K
R1
5
12
K
R1
6
12
K
G2
G1
G3
G3'
G
2'
G1'
G
[1
'..1
0']
Q7
A1
663
Q8
A1
663
Q9
A1
663
R2
6
22
0
R2
5
22
0
R2
4
22
0
Q15
Q13
Q14
G4
G5
G6
G7
G8
G8'
G
7'
G6'
G
5'
G4'
R1
3
12
K
R1
2
12
K
R1
1
12
K
R1
0
12
K
R9
12
K
Q2
A1
663
Q3
A1
663
Q4
A1
663
Q5
A1
663
Q6
A1
663
R2
3
22
0
R2
2
22
0
R2
1
22
0
R2
0
22
0
R1
9
22
0
Q20
Q19
Q18
Q17
Q16
R6
33
0K
VC
H
G9
G10
G10
'
G9'
G
[1
..1
0]
R8
12
K
R7
12
K
Q12
A1
663
Q1
A1
663
R1
8
22
0
R1
7
22
0
Q22
KR
C
106
SX1
0
Q21
C1
0
27
p
VD
D
1-1A
9-8B
9-8B
9-8B
D1
1S
S35
3
/R
ESE
T
36
T0
53
T1
54
T2
55
T3
56
T4
57
T5
58
T6
59
T7
60
T8
61
T9
62
T1
0
63
SH
EN
45
/R
ES1
46
V
DD1
24
AVR
F
34
AVD
D
35
VSS
0
9
AVS
S
25
V S S 1
4 2
I D
6 4
D P
1
A
2
B
3
C
4
V D D 0
1 0
D
5
E
6
F
7
G
8
K R 4
1 1
/ S C K
1 7
STH
16
HTS
15
L
DRQ
43
ER
C
44
KR
10
12
KR
11
13
ST0
18
ST1
19
ST2
20
ST3
21
ST4
22
ST5
23
ST6
47
ST7
48
ST8
49
ST9
50
KR
8
14
KR
9
26
KR
0
27
K R 1
2 8
K R 2
2 9
K R 3
3 0
B U Z
5 2
X 1
4 1
X 2
4 0
I C
3 9
K R 7
3 3
K R 6
3 2
K R 5
3 1
/ P O F
5 1
X T 2
3 7
X T 1
3 8
IC
2
CK
DC
8
KR
5
KR
6
KR
7
/P
O
F
F
VD
D
VD
D
R1
10
K
BD
8
BD
9
BD
10
C1
10
U/
16V
9-8B
9-8B
9-8B
X2
32
.76
8
KH
Z
KR
1
KR
2
KR
3
C1
1
22
p
1
3
2
X1
4.
19M
H
z
(R5
)
1M
BD
5
BD
6
BD
7
D2
1S
S35
3
PD
S
PD
S
DP
'
G'
F'
E'
D'
C'
B'
A'
G6'
G5'
G4'
G3'
G2'
G1'
+5
V
DP
'
1
G'
2
F'
3
E'
4
D'
5
C'
6
B'
7
A'
8
G7'
9
G6'
10
G5'
11
G4'
12
G3'
13
G2'
14
G1'
15
CN
3
POP
C
N
(15
P
)
R3
2.
2K
FISC
AL
:PDS
R4
12
K
Q10
C
241
2K
TO POP
UP
LE
D P
W
B
1
2
BZ1
BUZZER
G7
' PD
S'
TO FRONT L
E
D P
W
B
1
2
3
JP1
0
OH
M
0
OHM
JP6
PD
S'
1
G1'
2
G2'
3
G3'
4
G4'
5
G5'
6
G6'
7
G7'
8
G8'
9
G9'
10
G10
'
11
CN
1
FRON
T CN(1
1
P
)
D'
C'
B
'
A
'
A'
B'
C'
D'
A'
1
B'
2
C'
3
D'
4
E'
5
F'
6
G'
7
DP
'
8
GND
9
CN
22
FRON
T CN(9
P
)
JP8
0 OH
M
3-8C
3-8C
2-5C
2-5C
9-8C
9-8C
9-8D
ER
C
L
DRQ
HTS
STH
S
T
[0
..9
]
G7'
DP
'
G
'
F
'
E
'
E'
F'
G'
DP
'
G7'
G8'
G9'
G10
'
NO
RMAL:G7'
G7'
1
G8'
2
G9'
3
G10
'
4
PD
S'
5
CN
2
P
O
P CN
(5
P)
G7'
PD
S'
9-8B
R2
33
0
KR
11
KR
10
KR
0
ST9
ST8
ST7
ST6
ST5
ST4
ST3
ST2
ST1
ST0
R2
7
10
K
R2
8
10
K
C8
33
0P
C9
33
0P
BD
3
BD
2
BD
4
9-8C
3-8B
2-5C
5-8A
/R
ES0
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
/R
E
S
E
TS
/S
H
E
N
C2
33
0P
C3
22
00P
C4
10
U/
16V
3-8C
9-8B
DP
SA
SB
SC
SD
SE
SF
SG
KR
4
/S
C
K
VD
D
C5
0.
1U
BD
1
C6
10
U/
16V
C7
33
0P
NU
Q11
KR
C
106
S
D
P
SG
SF
SE
SD
SE
SF
SG
DP
C1
2
10
00P
1 5
2
IC
3B
1 4
3
IC
3C
1 3
4
IC
3D
IC
3
KID
6
500
3P
9
8
IC
3H
NO
TE
C1
3
C
1
4
C1
5
SD
SC
SB
SA
SA
SB
SC
1 2
5
IC
3E
1 6
1
IC
3A
65
003
1 1
6
IC
3F
1 0
7
IC
3G
C1
6
C
1
7
C1
8
C
1
9
10
00P
X7
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