Read Sharp DK-A1H (serv.man3) Service Manual online
DK-A1H/DK-A1H(BK)
5 – 1
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Voltage
1
4.50
1
4.17
1
7.77
E
0.00
2
4.50
2
4.17
2
7.77
C
0.00
3
4.50
3
4.15
3
15.54
B
-2.20
4
0.00
4
0.00
4
1.54
5
4.48
5
4.15
5
0.00
6
4.52
6
4.16
6
4.66
7
4.51
7
4.16
7
3.17
8
8.96
8
8.32
8
0.00
E
0.00
9
0.00
C
0.00
10
0.00
B
-1.95
11
0.00
12
1.54
1
5.00
1
7.87
13
15.44
2
0.00
2
7.87
14
7.61
3
502.00
3
15.60
15
7.61
E
0.00
0
0
.
0
C
4
5
.
1
4
0
0
.
0
4
2
7
.
1
-
B
0
0
.
0
5
0
0
.
0
5
6
6
0.00
6
4.66
7
0.00
7
3.16
8
0.75
8
0.00
E
0.00
9
0.00
9
0.00
C
0.00
10
9.00
10
0.00
B
0.70
E
0.00
0
0
.
0
C
0
0
.
0
1
1
2
0
.
5
1
1
0
7
.
0
B
3
5
.
1
2
1
0
0
.
5
2
1
13
13
0.00
13
15.72
14
5.00
14
7.61
15
7.61
E
5.05
C
5.04
B
0.00
E
2.12
E
5.05
E
0.00
E
0.00
C
2.09
C
5.05
C
0.00
C
0.00
B
1.47
B
0.00
B
2.94
B
2.94
1
-25.21
17
-25.20
33
-25.07
49
-25.05
2
-25.21
18
0.00
34
-22.33
50
-25.05
3
-25.23
19
-25.20
35
-25.07
51
-22.30
4
-25.23
20
0.00
36
-22.34
52
3.286
5
3.192
21
-19.70
37
-22.34
53
-27.76
6
0.00
22
-27.95
38
-25.05
54
-27.76
7
2.01
23
0.00
39
-27.82
55
-27.76
8
0.92
24
-28.00
40
-25.07
56
-27.76
9
0.00
25
-28.00
41
-22.34
57
-27.76
10
0.00
26
-19.73
42
-19.61
58
-27.76
11
3.288
27
-22.46
43
-27.74
59
-25.07
12
1.51
28
-25.08
44
-27.75
60
-25.07
13
1.51
29
-27.95
45
-22.76
61
-25.07
14
0.00
30
-25.22
46
-19.54
62
-25.07
15
-25.15
31
-22.44
47
-22.30
63
-25.07
16
-22.44
32
-22.44
48
-25.07
64
-25.07
Q 406
PIN
NO
VOLTAGE
(V)
VOLTAGE
(V)
IC 403
PIN
NO
VOLTAGE
(V)
IC 404
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
IC 405
PIN
NO
VOLTAGE
(V)
IC 402
PIN
NO
VOLTAGE
(V)
IC 401
PIN
NO
VOLTAGE
(V)
Q 402
PIN
NO
VOLTAGE
(V)
Q 404
Q 405
VOLTAGE
(V)
PIN
NO
IC 100
Q 408
Q 409
Q 410
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
Q 411
PIN
NO
Q 407
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
Q 403
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