DOWNLOAD Sharp DK-A1H (serv.man3) Service Manual ↓ Size: 16.6 MB | Pages: 72 in PDF or view online for FREE

Model
DK-A1H (serv.man3)
Pages
72
Size
16.6 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / Portable
File
dk-a1h-sm3.pdf
Date
PREV: Sharp DK-A1H (serv.man2) User Manual / Operation Manual

Sharp DK-A1H (serv.man3) Service Manual ▷ View online

DK-A1H/DK-A1H(BK)
4 – 2
Figure 2: BLOCK DIAGRAM (2/2)
+B9
D602
FLASH VCC_+3.3V
AC 220 - 240V    50Hz
AC POWER SUPPLY CORD
7
8
9
10
11
12
DK-A1H/DK-A1H(BK)
5 – 1
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Voltage
1
4.50
1
4.17
1
7.77
E
0.00
2
4.50
2
4.17
2
7.77
C
0.00
3
4.50
3
4.15
3
15.54
B
-2.20
4
0.00
4
0.00
4
1.54
5
4.48
5
4.15
5
0.00
6
4.52
6
4.16
6
4.66
7
4.51
7
4.16
7
3.17
8
8.96
8
8.32
8
0.00
E
0.00
9
0.00
C
0.00
10
0.00
B
-1.95
11
0.00
12
1.54
1
5.00
1
7.87
13
15.44
2
0.00
2
7.87
14
7.61
3
502.00
3
15.60
15
7.61
E
0.00
0
0
.
0
C
4
5
.
1
4
0
0
.
0
4
2
7
.
1
-
B
0
0
.
0
5
0
0
.
0
5
6
0.00
6
4.66
7
0.00
7
3.16
8
0.75
8
0.00
E
0.00
9
0.00
9
0.00
C
0.00
10
9.00
10
0.00
B
0.70
E
0.00
0
0
.
0
C
0
0
.
0
1
1
2
0
.
5
1
1
0
7
.
0
B
3
5
.
1
2
1
0
0
.
5
2
1
13
0.00
13
15.72
14
5.00
14
7.61
15
7.61
E
5.05
C
5.04
B
0.00
E
2.12
E
5.05
E
0.00
E
0.00
C
2.09
C
5.05
C
0.00
C
0.00
B
1.47
B
0.00
B
2.94
B
2.94
1
-25.21
17
-25.20
33
-25.07
49
-25.05
2
-25.21
18
0.00
34
-22.33
50
-25.05
3
-25.23
19
-25.20
35
-25.07
51
-22.30
4
-25.23
20
0.00
36
-22.34
52
3.286
5
3.192
21
-19.70
37
-22.34
53
-27.76
6
0.00
22
-27.95
38
-25.05
54
-27.76
7
2.01
23
0.00
39
-27.82
55
-27.76
8
0.92
24
-28.00
40
-25.07
56
-27.76
9
0.00
25
-28.00
41
-22.34
57
-27.76
10
0.00
26
-19.73
42
-19.61
58
-27.76
11
3.288
27
-22.46
43
-27.74
59
-25.07
12
1.51
28
-25.08
44
-27.75
60
-25.07
13
1.51
29
-27.95
45
-22.76
61
-25.07
14
0.00
30
-25.22
46
-19.54
62
-25.07
15
-25.15
31
-22.44
47
-22.30
63
-25.07
16
-22.44
32
-22.44
48
-25.07
64
-25.07
Q 406
PIN
NO
VOLTAGE
(V)
VOLTAGE
(V)
IC 403
PIN
NO
VOLTAGE
(V)
IC 404
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
IC 405
PIN
NO
VOLTAGE
(V)
IC 402
PIN
NO
VOLTAGE
(V)
IC 401
PIN
NO
VOLTAGE
(V)
Q 402
PIN
NO
VOLTAGE
(V)
Q 404
Q 405
VOLTAGE
(V)
PIN
NO
IC 100
Q 408
Q 409
Q 410
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
Q 411
PIN
NO
Q 407
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
Q 403
DK-A1H/DK-A1H(BK)
5 – 2
IC 601
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
1
0.00
26
0.00
51
3.30
76
0.00
2
0.00
27
3.60
52
0.00
77
0.00
3
0.00
28
0.00
53
0.00
78
0.00
4
0.00
29
1.76
54
3.20
79
0.00
5
3.20
30
1.76
55
3.17
80
0.00
6
0.00
31
0.93
56
0.00
81
0.00
7
3.18
32
0.00
57
0.00
82
3.16
8
0.00
33
2.01
58
0.00
83
3.18
9
0.00
34
0.40
59
0.00
84
3.20
10
1.33
35
0.00
60
0.00
85
0.30
11
0.62
36
1.47
61
0.00
86
0.75
12
1.53
37
1.47
62
3.20
87
0.00
13
1.53
38
0.00
63
3.20
88
0.00
14
0.00
39
3.20
64
0.00
89
0.00
15
1.43
40
0.00
65
0.00
90
0.00
16
3.23
41
0.00
66
0.00
91
3.30
17
3.23
42
3.20
67
0.00
92
3.30
18
1.73
43
0.00
68
0.00
93
0.00
19
3.20
44
0.00
69
0.00
94
3.30
20
0.00
45
3.20
70
0.00
95
3.30
21
0.00
46
3.30
71
0.00
96
0.00
22
0.00
47
0.00
72
0.00
97
1.25
23
0.00
48
0.00
73
0.00
98
3.30
24
0.00
49
0.00
74
0.00
99
3.20
25
0.00
50
0.00
75
0.00
100
3.30
Q 601
Q 602
Q 603
Q 604
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
E
0.00
E
0.00
E
0.00
E
0.00
C
3.17
C
3.17
C
0.00
C
0.00
B
0.00
B
0.00
B
0.00
B
2.70
IC 301
IC 603
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
1
4.48
10
4.50
19
4.50
E
0.00
2
4.49
11
4.47
20
0.00
C
3.30
3
4.48
12
4.48
21
0.00
B
5.05
4
4.47
13
4.51
22
0.00
5
4.48
14
4.48
23
4.50
6
4.48
15
4.50
24
9.00
IC 604
7
4.48
16
0.00
25
0.00
PIN
NO
VOLTAGE
(V)
8
4.51
17
0.00
26
4.50
9
4.48
18
4.50
27
4.51
E
3.89
28
0.00
C
0.60
B
5.60
Q 901
Q 801
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
E
0.00
E
0.00
C
1.63
C
3.69
B
0.75
Q 413
PIN
NO
VOLTAGE
(V)
E
3.30
C
3.30
B
3.17
Q 414
PIN
NO
VOLTAGE
(V)
E
0.00
C
3.17
B
0.00
B
0.00
IC 801
IC 802
IC 803
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
PIN
NO
VOLTAGE
(V)
1
16.74
1
16.89
1
9.25
2
0.00
2
0.00
2
0.00
3
12.00
3
8.99
3
4.96
IC 602 
PIN
NO
VOLTAGE
(V)
1
0.00
2
0.00
3
0.00
4
0.00
5
0.30
6
0.30
7
3.19
8
3.26
DK-A1H/DK-A1H(BK)
5 – 3
-MEMO-
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