Voltage - Sharp CD-BA250 Service Manual

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CD-BA250/CD-BA2600
IC1
PIN
NO. VOLTAGE
1
1.6V
1.0V
2
1.6V
3
1.8V
4
5
3.3V
0V
6
1.6V
7
8
1.6V
9
1.6V
1.6V
10
1.6V
11
12
1.6V
13
1.5V
1.5V
14
1.5V
15
16
1.5V
17
0.8V
18
3.2V
19
0V
20
1.6V
21
1.6V
1.6V
22
23
1.6V
24
0V
25
0V
3.2V
26
27
0V
28
0V
29
0V
30
0V
31
0V
32
0V
33
0V
0V
34
35
1.6V
36
0V
37
0V
38
3.2V
39
3.2V
40
0V
IC101
PIN
NO. VOLTAGE
1
0V
0V
2
0.57V
3
4
2.0V
5
0.59V(AC)
1.32V
6
0V
7
8
0.59V
9
3.45V
3.42V
10
0V
11
12
0V
13
6.92V
14
4.13V
0V
15
16
3.43V
17
0.59V
18
0V
19
2.63V
20
0.56V(AC)
21
2.00V
22
0.57V
23
0V
24
0V
PIN
PIN
NO. VOLTAGE
NO. VOLTAGE
3.7V
41
1
42
3.7V
2
43
0V
3
44
0V
4
45
3.7V
5
46
3.2V
6
47
3.2V
7
48
3.2V
8
49
0V
9
50
0V
10
51
0V
11
52
3.2V
12
53
0V
13
54
0V
14
55
0V
15
56
0V
16
57
0V
17
58
3.2V
18
59
0V
19
60
0V
20
61
0V
21
62
4.7V
22
63
0V
23
64
4.9V
24
65
4.9V
25
66
4.9V
26
67
0V
27
68
4.9V
28
69
0V
29
70
0V
30
71
0V
31
72
0V
32
0V
73
33
0V
74
34
75
0V
35
76
3.2V
36
3.2V
77
37
3.2V
38
78
79
0V
39
80
3.2V
40
41
42
IC302
PIN
NO. VOLTAGE
IC301
PIN
1
2.55V
NO. VOLTAGE
0V
2
1
0V
3
2
4
0V
3
5
0V
4
5.16V
6
5
0V
7
6
8
4.69V
7
9
4.02V
8
4.10V
10
9
11
5.15V
12
0V
IC561
13
5.15V
PIN
NO. VOLTAGE
14
0V
0V
15
1
16
2.53V
2
17
5.16V
3
18
0.90V
4
19
0.90V
5
20
1.31V
6
21
0V
7
22
2.55V
8
9

VOLTAGE

IC303
IC2
PIN
NO. VOLTAGE
1.7V
1
2.09V
1.7V
5.17V
2
1.8V
2.09V
3
2.1V
2.08V
4
2.1V
5
0V
2.1V
5.15V
6
2.0V
5.15V
7
0V
8
3.02V
0V
9
5.17V
0V
10
4.35V
0V
4.01V
11
0V
12
4.01V
0V
13
4.10V
0V
14
1.18V
2.1V
1.19V
15
2.1V
16
2.08V
1.6V
17
1.79V
4.9V
18
1.79V
3.0V
19
0V
1.6V
20
0.58V
0V
21
2.60V
0V
22
2.96V
4.9V
23
5.17V
4.9V
24
3.64V
1.8V
2.1V
IC601
2.1V
PIN
NO. VOLTAGE
0V
0V
0V
1
0V
2
0V
0V
3
0V
0V
5.03V
4
0V
5.00V
5
0V
6
5.01V
0V
7
5.01V
4.2V
5.03V
8
0V
9
5.01V
2.1V
10
5.01V
2.1V
11
5.01V
4.9V
5.01V
12
3.7V
13
5.01V
3.7V
14
5.01V
15
5.01V
16
5.01V
17
5.03V
18
5.01V
0.91V
19
5.01V
1.64V
20
5.00V
5.40V
21
5.04V
1.62V
22
5.03V
0V
23
10.03V
5.41V
24
0V
4.65V
5.37V
IC562
5.41V
PIN
NO. VOLTAGE
0.26V
1
0.3V
2
3
0.3V
0.17V
4
–13.11V
0.2V
5
0V
0.19V
0V
6
–13.11V
0V
7
0.19V
8
6.23V
0.2V
0.17V
0V
6.23V
– 36 –
IC701
PIN
PIN
NO. VOLTAGE
NO. VOLTAGE
5.28V
1
4.77V
51
4.68V
52
0V
2
0V
53
0V
3
0V
54
5.25V
4
55
5.28V
5
4.67V
4.72V
56
5.28V
6
4.74V
57
0V
7
8
0V
58
0.31V
59
0V
9
5.41V
4.86V
60
0V
10
2.3V
61
0V
11
12
2V
62
0V
63
0V
13
0V
4.76V
64
0V
14
0V
65
0V
15
16
4.77V
66
0V
67
–28.82V
17
4.7V
68
–28.82V
18
0V
19
5.36V
69
–28.8V
70
20
0.16V
–28.88V
71
–28.79V
21
0V
0V
72
–28.8V
22
23
0V
73
–18.2V
74
24
0V
–18.74V
75
–26.3V
25
0V
2.3V
76
–23.77V
26
27
0.22V
77
0V
78
28
0V
–21.2V
79
–28.9V
29
0V
80
–26.2V
30
0V
31
5.03V
81
–26.3V
32
5.03V
82
–26.3V
–21.28V
33
5.03V
83
4.77V
–28.83V
34
84
35
5.04V
85
0V
36
2.48V
86
0V
–18.73V
37
0V
87
38
0V
0V
88
39
4.92V
89
0V
40
0V
90
–26.28V
41
5.67V
91
–26.28V
12.5V
–26.24V
42
92
12.52V
–26.32V
43
93
12.5V
–26.3V
44
94
45
3.8V
95
–26.29V
4.78V
–26.3V
46
96
4.78V
–26.3V
47
97
48
4.5V
–26.3V
98
49
5.04V
99
–26.28V
5.28V
–26.3V
50
100
IC901
IC902
PIN
PIN
NO. VOLTAGE
NO. VOLTAGE
0V
1
1
12.56V
2
0V
2
24.75V
3
0V
13.17V
3
50.1V
4
IC903
–48.8V
5
6
0V
PIN
NO. VOLTAGE
7
0V
24.70V
51.8V
1
8
2
0V
9
–51.5V
3
10.04V
10
0V
11
0V
–50.1V
12
IC904
13
0V
PIN
NO. VOLTAGE
14
0V
15
0V
12.21V
1
0.66V
2
3
5.68V

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