Sharp CD-BA180 Service Manual - Page 30

Browse online or download pdf Service Manual for Stereo System Sharp CD-BA180. Sharp CD-BA180 44 pages. Mini component system

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CD-BA180
IC1
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
35
1
1.6V
2
36
1.6V
3
37
1.8V
4
38
2.1V
39
5
2.1V
40
6
2.1V
41
7
2.1V
42
8
0V
43
9
0V
44
10
0V
45
11
0V
46
12
0V
13
47
0V
14
48
0V
15
49
2.1V
16
50
2.1V
17
51
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
25
59
1.6V
26
60
2.1V
27
61
2.1V
28
62
1.9V
29
63
0V
30
64
0V
65
31
0V
66
32
0V
67
33
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
IC2
IC101
PIN
NO. VOLTAGE
1
0.7V
0V (0V)
2
0V
0V (0V)
3
0V
0.5V (0.5V)
4
0V
1.9V (1.9V)
5
3.3V
0V (0V)
6
2.4V
0V (0V)
7
0V
0V (0V)
8
0V
0.6V (0.6V)
9
1.6V
3.3V (3.3V)
10
0V
3.3V (3.3V)
11
4.7V
0V (0V)
12
1.7V
0V (0V)
13
0V
6.7V (6.7V)
14
1.6V
4.0V (4.0V)
15
1.6V
0V (0V)
1.6V
16
3.3V (3.3V)
1.6V
17
0.6V (0.6V)
18
3.3V
0V (0V)
19
0V
0V (0V)
20
1.6V
0V (0V)
21
1.6V
1.9V (1.9V)
22
1.6V
0.5V (0.5V)
23
1.6V
0V (0V)
24
1.6V
0V (0V)
1.6V
IC301
1.6V
1.6V
PIN
NO. VOLTAGE
0V
1
0.8V (0V)
0V
2
1.5V (0V)
2.1V
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
1.6V
IC302
1.6V
0V
PIN
NO. VOLTAGE
0V
1
2.4V (2.4V)
3.3V
2
0V (0V)
3.3V
3
0V (0V)
3.0V
4
0V (0V)
1.5V
5
0V
4.6V (4.7V)
6
0V
4.8V (4.9V)
7
1.5V
0.1V (9.9V)
8
3.0V
4.2V (0V)
9
3.3V
3.3V (0V)
10
1.8V
3.4V (0V)
11
3.0V
4.6V (4.9V)
12
2.2V (0V)
0V
13
4.6V (4.9V)
0V
14
0V (0V)
0V
15
0V (2.4V)
0V
16
1.7V
2.3V (0V)
17
3.3V
4.6V (4.9V)
18
0V
0.8V (4.9V)
19
3.0V
0.8V (4.9V)
20
1.6V
1.1V (0V)
21
0V
0V (0V)
22
2.4V
2.5V (3.0V)
0V
0V
0V
0V
4.8V
4.9V
4.9V
4.6V
0V
4.9V
0V
0V
0V
3.2V
0V
0V
3.4V

VOLTAGE

IC303
PIN
PIN
VOLTAGE
NO. VOLTAGE
NO.
1
1
5.0V
2.1V (2.4V)
2
2
0V
4.5V (4.8V)
3
3
5.0V
2.1V (2.1V)
4
4
2.1V (2.1V)
0V
5
5
0V (0V)
5.0V
6
6
4.6V (4.6V)
5.0V
7
7
4.6V (4.6V)
5.0V
8
8
2.4V (3.2V)
1.2V
9
9
4.5V (4.8V)
0.87V
10
10
3.9V (0V)
4.84V
11
11
3.3V (1.8V)
2.38V
12
12
3.3V (1.1V)
2.06V
13
13
0V
3.5V (2.0V)
14
14
0V
1.2V (1.2V)
15
15
1.4V
1.2V (1.2V)
16
16
4.89V
2.0V (2.0V)
17
17
4.8V
2.7V (0V)
18
18
2.1V (0.9V)
0V
19
19
0V (1.9V)
2.3V
20
20
0.3V (0.9V)
0V
21
21
2.6V (2.0V)
0V
22
22
3.5V (3.0V)
0V
23
0V
24
4.44V
IC401
25
0.3V
PIN
NO. VOLTAGE
26
0V
27
0V
1
0V
28
0V
2
0V
29
0V
3
0V
30
0V
4
5.0V
31
5.1V
5
5.0V
32
5.1V
6
5.0V
33
5.1V
7
5.0V
34
4.9V
8
5.0V
35
5.0V
9
5.0V
36
4.9V
10
5.0V
37
4.9V
11
5.0V
38
0V
12
5.0V
39
5.0V
13
5.0V
40
0V
14
5.0V
41
1.7V
15
5.0V
42
8.0V
16
5.0V
43
7.9V
17
5.0V
44
8.0V
18
5.0V
45
3.8V
19
5.0V
46
4.89V
20
5.0V
47
4.89V
21
5.0V
48
4.89V
22
5.0V
49
4.29V
23
10.0V
50
4.29V
24
0V
– 30 –
IC701
IC704
PIN VOLTAGE
PIN
NO. VOLTAGE
NO.
51
4.29V
1
52
4.29V
2
53
4.29V
3
54
4.29V
55
4.29V
IC702
56
4.29V
PIN
NO. VOLTAGE
57
0V
58
0V
1
59
–27.8V
2
60
–27.8V
3
61
0V
4
62
0V
5
63
–27.7V
6
64
–27.7V
7
65
–27.7V
8
66
–27.7V
67
–27.7V
IC703
68
–27.7V
PIN
NO. VOLTAGE
69
–20.4V
70
–22.1V
1
71
–25.9V
2
72
–27.7V
3
73
–24.1V
4
74
–24.4V
5
75
–25.9V
6
76
–22.2V
7
77
–22.2V
8
78
–22.3V
79
–27.8V
IC901
80
–27.7V
PIN
NO. VOLTAGE
81
–27.7V
82
27.7V
1
83
–20.3V
2
84
–24.0V
3
85
–20.3V
4
86
2.38V
5
87
2.58V
6
88
–25.8V
7
89
–25.8V
8
90
–25.7V
9
91
–25.7V
10
92
–25.7V
11
93
–25.7V
12
94
–25.7V
13
95
–25.7V
14
96
–25.7V
15
97
–25.7V
98
–25.7V
99
–25.7V
IC852
100
–25.7V
PIN
NO. VOLTAGE
1
2
3
IC851
PIN
NO. VOLTAGE
1
2
3
IC841
PIN
NO. VOLTAGE
1
2
3
Q831
PIN
NO. VOLTAGE
1
2
3
5.0V
0V
5.0V
0V
0V
0V
–11.0V
0V
0V
0V
5.58V
0V
0V
0V
–11.0V
0V
0V
0V
5.58V
0V
0V
0V
34.4V
–32.9V
0V
0V
35.4V
–35.1V
0V
0V
–34.0V
0V
0V
0V
19.4V
0V
5.76V
19.4V
0V
5V
19.41V
0V
10V
10.0V
19.41V
10.0V