Sharp CD-BK250W Service Manual

CD-BK250W/CD-BK2600W/CD-BK270W
– 38 –
VOLTAGE
1.6 V
1.0 V
1.6 V
1.8 V
3.3 V
0 V
1.6 V
1.6 V
1.6 V
1.6 V
1.6 V
1.6 V
1.5 V
1.5 V
1.5 V
1.5 V
0.8 V
3.2 V
0 V
1.6 V
1.6 V
1.6 V
1.6 V
0 V
0 V
3.2 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
1.6 V
0 V
0 V
3.2 V
3.2 V
0 V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
40
39
38
37
36
35
34
33
32
31
PIN
NO.
VOLTAGE
IC1
3.7 V
3.7 V
0 V
0 V
3.7 V
3.2 V
3.2 V
3.2 V
0 V
0 V
0 V
3.2 V
0 V
0 V
0 V
0 V
0 V
3.2 V
0 V
0 V
0 V
4.7 V
0 V
4.9 V
4.9 V
4.9 V
0 V
4.9 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
3.2 V
3.2 V
3.2 V
0 V
3.2 V
PIN
NO.
VOLTAGE
41
54
53
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
52
51
50
49
48
47
46
45
44
43
42
75
74
76
77
78
79
80
73
72
71
4.77 V
4.68 V
0 V
0 V
4.67 V
4.72 V
4.74 V
0 V
5.41 V
4.86 V
2.3 V
2 V
0 V
4.76 V
0 V
4.77 V
4.7 V
0 V
5.36 V
0.16 V
0 V
0 V
0 V
0 V
0 V
2.3 V
0.22 V
0 V
0 V
0 V
5.03 V
5.03 V
5.03 V
4.77 V
5.04 V
2.48 V
0 V
0 V
4.92 V
0 V
5.67 V
12.5 V
12.52 V
12.5 V
3.8 V
4.78 V
4.76 V
4.5 V
5.04 V
5.28 V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
40
39
38
37
36
35
34
33
32
31
PIN
NO.
VOLTAGE
IC701
5.28 V
0 V
0 V
5.25 V
5.28 V
5.28 V
0 V
0.31 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
–28.82 V
–28.82 V
–28.8 V
–28.88 V
–28.79 V
–28.8 V
–16.2 V
–18.74 V
–26.3 V
–23.77 V
0 V
–21.2 V
–28.9 V
–26.2 V
–26.3 V
–26.3 V
–21.26 V
–28.83 V
0 V
0 V
–18.73 V
0 V
0 V
–26.26 V
–26.26 V
–26.24 V
–26.32 V
–26.3 V
–26.29 V
–26.3 V
–26.3 V
–26.3 V
–26.28 V
–26.3 V
PIN
NO.
VOLTAGE
51
64
63
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
62
61
60
59
58
57
56
55
54
53
52
85
84
86
87
88
89
90
83
82
81
50
49
48
47
46
45
44
43
42
41
95
94
96
97
98
99
100
93
92
91
1.7 V
1.7 V
1.8 V
2.1 V
2.1 V
2.1 V
2.0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
2.1 V
2.1 V
1.6 V
4.9 V
3.0 V
1.6 V
0 V
0 V
4.9 V
4.9 V
1.6 V
2.1 V
2.1 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
4.2 V
0 V
2.1 V
2.1 V
4.9 V
3.7 V
3.7 V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
40
39
38
42
41
37
36
35
34
33
32
31
PIN
NO.
VOLTAGE
IC2
0.8 V
1.0 V
0.75 V
2.46 V
4.43 V
2.42 V
2.43 V
2.46 V
2.46 V
2.45 V
2.47 V
2.46 V
2.46 V
2.47 V
2.47 V
2.47 V
2.47 V
2.47 V
2.47 V
0.6 V
2.46 V
0 V
4.85 V
0.59 V
2.47 V
2.47 V
2.47 V
2.47 V
2.47 V
2.43 V
2.47 V
2.47 V
2.43 V
2.47 V
2.45 V
2.47 V
2.46 V
0 V
0 V
0 V
0 V
0 V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
40
39
38
42
41
37
36
35
34
33
32
31
PIN
NO.
VOLTAGE
ICICK1
0 V
0 V
0 V
5.03 V
5.00 V
5.01 V
5.01 V
5.03 V
5.01 V
5.01 V
5.01 V
5.01 V
5.01 V
5.01 V
5.01 V
5.01 V
5.03 V
5.01 V
5.01 V
5.00 V
5.04 V
5.03 V
10.03 V
0 V
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO.
VOLTAGE
IC601
0 V
0 V
0.57 V
2.0 V
0.59 V(AC)
1.32 V
0 V
0.59 V
3.45 V
3.42 V
0 V
0 V
6.92 V
4.13 V
0 V
3.43 V
0.59 V
0 V
2.63 V
0.56 V(AC)
2.00 V
0.57 V
0 V
0 V
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO.
VOLTAGE
IC101
2.09 V
5.17 V
2.09 V
2.08 V
0 V
5.15 V
5.15 V
3.02 V
5.17 V
4.35 V
4.01 V
4.01 V
4.10 V
1.18 V
1.19 V
2.08 V
1.79 V
1.79 V
0 V
0.58 V
2.60 V
2.96 V
5.17 V
3.64 V
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO.
VOLTAGE
IC303
2.55 V
0 V
0 V
0 V
0 V
5.16 V
0 V
4.69 V
4.02 V
4.10 V
5.15 V
0 V
5.15 V
0 V
0 V
2.53 V
5.16 V
0.90 V
0.90 V
1.31 V
0 V
2.55 V
9
8
7
6
5
4
3
2
1
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO.
VOLTAGE
IC302
0 V
0 V
0 V
50.1 V
–48.8 V
0 V
0 V
51.6 V
–51.5 V
0 V
0 V
–50.1 V
0 V
0 V
0 V
9
8
7
6
5
4
3
2
1
15
14
13
12
11
10
PIN
NO.
VOLTAGE
IC901
0.17 V
0.2 V
0.19 V
–13.11 V
0.19 V
0.2 V
0.17 V
6.23 V
8
7
6
5
4
3
2
1
PIN
NO.
VOLTAGE
IC561
3
2
1
PIN
NO.
VOLTAGE
IC902
12.56 V
24.75 V
13.17 V
3
2
1
PIN
NO.
VOLTAGE
IC903
24.70 V
0 V
10.04 V
3
2
1
PIN
NO.
VOLTAGE
IC904
12.21 V
0.66 V
5.68 V
8
9
7
6
5
4
3
2
1
PIN
NO.
VOLTAGE
IC301
0.91 V
1.64 V
5.40 V
1.62 V
0 V
5.41 V
4.65 V
5.37 V
5.41 V
0.25 V
0.3 V
0.3 V
–13.11 V
0 V
0 V
0 V
6.23 V
8
7
6
5
4
3
2
1
PIN
NO.
VOLTAGE
IC562

Sharp CD-BK250W Specifications

General

Brand	Sharp
Model	CD-BK250W
Category	Stereo System
Language	English