Sharp DK-A10H (serv.man3) Service Manual ▷ View online
DK-A10H/DK-A10H(BK)
4 – 4
Figure 4: CD MP3 BLOCK DIAGRAM (2/2)
FROM DISPLA
Y
FROM MAIN
7
8
9
10
11
12
DK-A10H/DK-A10H(BK)
5 – 1
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Waveforms Of Servo Circuit
1
10
9
9
89
6
9
13
6
9
1
1
1
IC1
IC1
2
1
3
4
5
3
FOO
TEI
RFO
FOO
TRO
FOO
DMO
FOO
TEI
IC1
IC1
TMAX
LPFO
DMO
FOO
5
1
6
7
RF
74
76
13
9
89
2
IC1
IC1
CH1=0.2V
A=0.1uS
67
66
65
B
C
C
A
L
R
9
10
11
IC1
LRCKI
BCKI
AIN
DK-A10H/DK-A10H(BK)
5 – 2
[2] Voltage
IC 1
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
1
0.00
26
0.00
51
1.40
76
3.25
2
1.61
27
1.49
52
0.00
77
1.61
3
0.70
28
3.01
53
3.26
78
0.96
4
0.57
29
1.49
54
0.00
79
0.00
5
1.60
30
1.49
55
0.00
80
1.83
6
1.65
31
0.00
56
0.00
81
1.61
7
1.61
32
3.26
57
0.00
82
1.61
8
3.26
33
0.00
58
3.26
83
1.64
9
1.61
34
1.50
59
0.00
84
1.61
10
1.62
35
1.50
60
3.26
85
1.59
11
1.62
36
0.00
61
0.00
86
1.61
12
1.62
37
3.21
62
0.00
87
1.63
13
1.62
38
0.00
63
1.62
88
1.61
14
0.00
39
0.00
64
1.62
89
0.39
15
1.32
40
0.00
65
0.00
90
3.26
16
3.26
41
0.00
66
0.00
91
3.23
17
1.49
42
3.22
67
0.00
92
0.00
18
0.00
43
3.22
68
1.49
93
0.00
19
1.44
44
0.00
69
0.00
94
1.61
20
1.44
45
0.00
70
1.61
95
1.61
21
1.33
46
0.00
71
3.26
96
1.61
22
0.00
47
0.00
72
1.59
97
1.61
23
1.45
48
0.00
73
1.29
98
1.61
24
1.54
49
1.10
74
0.00
99
1.64
25
3.26
50
1.41
75
1.37
100
1.61
IC 2
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
1
2.92
10
3.25
19
0.00
28
6.55
2
2.90
11
1.61
20
0.00
29
0.00
3
2.91
12
1.61
21
1.41
30
0.00
4
2.91
13
1.61
22
0.00
31
0.00
5
2.91
14
1.61
23
0.00
32
0.00
6
2.91
15
1.61
24
3.88
33
0.00
7
0.00
16
1.61
25
1.61
34
0.00
8
5.79
17
1.61
26
0.00
35
0.00
9
6.55
18
1.61
27
6.55
36
0.00
Q 1
Q 2
Q 3
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
E
3.26
E
0.00
E
6.41
B
3.23
B
0.00
C
3.26
C
0.00
C
3.88
B
5.78
Q 4
Q 5
Q 6
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
E
1.50
E
0.00
E
6.48
B
2.19
B
3.16
C
6.42
C
3.26
C
0.23
B
5.68
DK-A10H/DK-A10H(BK)
5 – 3
IC 601
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
1
NC
26
0.00
51
3.27
76
0.01
2
NC
27
3.24
52
0.01
77
0.01
3
0.00
28
0.00
53
0.01
78
0.01
4
0.00
29
3.24
54
3.20
79
0.01
5
3.20
30
3.24
55
3.17
80
0.01
6
NC
31
3.22
56
3.28
81
0.01
7
3.18
32
0.00
57
3.28
82
3.20
8
0.00
33
3.22
58
3.28
83
3.19
9
0.00
34
3.22
59
0.01
84
3.20
10
0.41
35
NC
60
0.01
85
0.01
11
0.60
36
0.00
61
0.01
86
0.01
12
3.17
37
0.00
62
3.20
87
NC
13
1.53
38
0.00
63
0.10
88
NC
14
0.00
39
3.22
64
0.00
89
NC
15
1.43
40
0.00
65
0.08
90
1.00
16
3.23
41
0.00
66
0.02
91
3.28
17
3.23
42
3.22
67
0.02
92
3.24
18
1.76
43
0.00
68
NC
93
3.24
19
3.21
44
0.00
69
0.00
94
3.24
20
3.14
45
3.17
70
3.28
95
3.24
21
3.21
46
3.24
71
0.01
96
0.00
22
3.21
47
NC
72
0.00
97
0.00
23
3.21
48
NC
73
0.01
98
3.24
24
3.28
49
NC
74
0.01
99
3.20
25
3.28
50
NC
75
0.01
100
3.24
IC 751
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
1
25.30
17
22.70
33
22.50
49
24.80
2
25.30
18
19.80
34
19.80
50
24.60
3
25.30
19
22.70
35
22.10
51
25.60
4
25.30
20
25.30
36
22.50
52
NC
5
3.20
21
22.50
37
22.50
53
NC
6
0.50
22
28.10
38
25.40
54
NC
7
2.09
23
25.30
39
25.60
55
NC
8
1.07
24
28.20
40
25.50
56
NC
9
NC
25
28.10
41
25.50
57
NC
10
NC
26
19.70
42
22.70
58
NC
11
3.29
27
22.50
43
28.30
59
25.60
12
1.51
28
28.10
44
25.50
60
25.60
13
1.52
29
25.30
45
28.40
61
25.60
14
0.00
30
28.00
46
25.50
62
25.60
15
25.40
31
19.70
47
25.50
63
25.60
16
25.40
32
22.50
48
25.50
64
25.60
IC 501
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
1
4.48
8
4.48
15
4.50
22
0.00
2
4.48
9
4.46
16
NC
23
4.49
3
4.48
10
4.51
17
NC
24
8.99
4
4.48
11
4.46
18
4.49
25
0.00
5
4.48
12
4.49
19
4.49
26
4.50
6
4.48
13
4.50
20
0.00
27
4.48
7
4.48
14
4.49
21
0.00
28
4.48
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