Voltage - Sharp CD-BA1200H Service Manual

CD-BA1200H
IC1 IC2
PIN PIN
NO. VOLTAGE NO. VOLTAGE
1 1
1.6V
2 2
1.6V
3 3
1.6V
4 4
1.6V
5 5
1.6V
6 6
1.6V
7 7
0V
8 8
2.6V
9 9
0V
10 10
0V
11 11
0V
12 12
3.3V
13 13
1.6V
14 14
1.6V
15 15
1.6V
16 16
0V
17 17
0V
18 18
1.6V
19 19
1.6V
20 20
1.6V
21 21
1.6V
22 22
1.6V
23 23
0V
24 24
1.6V
25 25
0V
26 26
0V
27 27
0V
28 28
1.6V
29 29
1.6V
30 30
3.3V
31
32
IC3
33
PIN
NO. VOLTAGE
34
1 35
1.6V
2 36
1.6V
3 37
1.8V
4 38
2.1V
5 39
2.1V
6 40
2.1V
7 41
2.1V
8 42
0V
9 43
0V
10 44
0V
11 45
0V
46
12
0V
13 47
0V
48
14
0V
15 49
2.1V
50
16
2.1V
51
17
1.6V
52
18
4.9V
53
19
3.5V
54
20
1.6V
55
21
0V
56
22
0V
57
23
4.9V
58
24
4.9V
59
25
1.6V
60
26
2.1V
61
27
2.1V
62
28
1.9V
63
29
0V
64
30
0V
65
31
0V
66
32
0V
33 67
0V
68
34
0V
69
35
0V
70
36
4.2V
71
37
0V
72
38
2.1V
73
39
2.1V
74
40
4.9V
75
41
2.1V
76
42
2.1V
77
78
79
80
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VOLTAGE

IC101
PIN PIN
NO. VOLTAGE NO. VOLTAGE
1
0.7V 0V
2
0V 0V
3
0V 0.55V
4
0V 2.16V
5
3.3V 0V
6
2.4V 1.25V
7
0V 0V
8
0V 0.58V
9
1.6V 3.17V
10
0V 3.55V
11
4.7V 0V
12
1.7V 0V
13
0V 4.72V
14
1.6V 4.37V
15
1.6V 0V PIN
NO. VOLTAGE
16
1.6V 3.67V
17
1.6V 0.38V
18
3.3V 0V
19
0V 0V
20
1.6V 0V
21
1.6V 2.16V
1.6V 22
0.55V
PIN
NO. VOLTAGE
1.6V 23
0V
24
1.6V
0V
1.6V
IC301
1.6V
1.6V PIN
NO. VOLTAGE
0V
1
0.8V (0V)
0V
2
1.5V (0V)
2.1V
PIN
NO. VOLTAGE
3
3.6V (0.4V)
2.1V
4
1.5V (0V)
0V
5
0V (0V)
3.3V
6
3.6V (0.4V)
3.5V
7
2.8V (0.2V)
3.3V
8
3.5V (0.3V)
3.3V
9
3.6V (0.3V)
3.3V
PIN
NO. VOLTAGE
1.6V
IC302
1.6V
0V PIN
NO. VOLTAGE
0V
1
3.3V 2.15V
2
3.3V 0V
3
3.0V 0V
4
0V
1.5V PIN
NO. VOLTAGE
5
0V 0V
6
4.83V
0V
7
9.87V
1.5V
8
4.4V
3.0V
9
0V
3.3V
10
0V
1.8V
11
4.64V
3.0V
12
2.27V
0V
13
4.66V
0V
14
0V
0V
15
2.13V
0V
16
0V
1.7V
17
4.86V
3.3V
18
0V 0.73V
19
0.73V
3.0V
20
1.6V 6.3V
21
0V
0V
22
2.4V 2.33V
0V
0V
0V
0V
4.8V
4.9V
4.9V
4.6V
0V
4.9V
0V
0V
0V
3.2V
0V
0V
3.4V
IC901 IC701
PIN
VOLTAGE
NO.
1 1
0V 4.78V
2 2
0V
0V
3 3
16.27V 5.0V
4 4
0V 0V
5 5
0V 4.69V
6 6
0V 4.74V
7 7
16.72V 4.75V
8 8
0V 0V
9 9
0V 4.85V
10 10
34.2V 4.30V
11 11
16.6V 2.25V
12 12
0V 1.16V
13
0V
IC902 14
0V
15
4.85V
16
4.78V
1 17
19.12V 4.67V
2 18
0V 0V
3 19
10.04V 4.69V
20
0V
21
0V
IC904
22
0V
23
0V
24
4.82V
1
19.12V
25
0V
2
0.64V
26
0.3V
3
5.64V
27
0V
28
0V
Q903 29
0V
30
0V
31
4.81V
1 32
10.04V 4.81V
2 33
19.05V 4.81V
3 34
9.57V 4.9V
35
5.0V
36
4.9V
IC704
37
0V
38
0V
39
5.0V
1
4.9V
40
0V
2
0V
41
1.7V
3
4.9V
42
9.45V
43
9.45V
IC601
44
9.45V
45
3.8V
46
4.89V
1
0V 47
0V
2
0V 48
4.89V
3
0V 49
4.79V
4
4.96V 50
4.78V
5
4.96V
6
4.96V
7
4.96V
8
4.89V
9
4.78V
10
4.78V
11
4.78V
12
4.78V
13
4.78V
14
4.78V
15
4.78V
16
4.78V
17
5.1V
18
5.5V
19
5.0V
20
4.66V
21
5.03V
22
4.97V
23
10.0V
24
0V
– 36 –
IC303
PIN VOLTAGE PIN
NO. VOLTAGE
NO.
51 1
4.29V 2.12V
52 2
0V 4.78V
53 3
4.81V 2.12V
54 4
4.81V 2.11V
55 5
4.81V 0V
56 6
4.81V 4.65V
57 7
0V 4.65V
58 8
0V 3.02V
59 9
27.8V 4.78V
60 10
–27.8V 4.08V
61 11
0V 1.63V
62 12
0V 1.13V
63
13
0V 2.08V
64 14
0V 1.31V
65
15
0V 1.29V
66
16
0V 2.07V
67
17
–27.7V 0V
68
18
–27.7V 1.43V
69
19
–27.1V 1.99V
70
20
–28.2V 1.44V
71
21
–21.7V 2.08V
72
22
–18.6V 2.08V
73
–12.9V 23
4.48V
74
–24.4V 24
3.35V
75
–25.9V
76
–15.7V
77
–22.2V
78
–22.3V
79
–27.8V
80
–18.6V
81
–12.9V
82
–24.4V
83
–24.4V
84
–27.1V
85
–27.1V
86
–24.4V
87
–24.4V
88
–27.1V
89
–27.1V
90
–24.4V
91
–27.1V
92
–24.4V
93
–27.1V
94
–24.4V
95
–24.4V
96
–24.4V
97
–24.4V
98
–24.4V
99
–24.4V
100
–24.4V