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Stereo System
CD-C1900
Sharp CD-C1900 User Manual
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CD-C606/1900,CP-C606/1900
– 32 –
VO
L
T
AG
E
11.2V
0V
0V
0V
2.5V
3.0V
3.3V
0V
0V
0V
0V
0V
3.3V
3.3V
3.3V
2.5V
2.6V
2.9V
3.3V
0V
0V
3.3V
7.2V
5.0V
7.2V
2.5V
3.3V
3.3V
0V
0V
0V
0V
0V
0V
0V
5.3V
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
36
35
34
33
32
31
5.3V
3.3V
3.3V
7.2V
0.1V
41
0.1V
42
40
39
38
37
PIN
NO.
VOLTAGE
IC3
0V
0V
0V
0V
0V
0V
0V
0V
0V
2.7V
0.2V
–2.7V
9
8
7
6
5
4
3
2
1
12
11
10
0V
0V
0V
0V
0V
0V
0V
0V
17
16
15
14
13
20
19
18
PIN
NO.
VOLTAGE
IC401
5.1V (5.1V)
1.6V (1.6V)
1.6V (1.6V)
1.6V (1.6V)
7.1V (8.1V)
0.2V (0.6V)
0V (0V)
0V (0V)
2.3V (2.3V)
2.3V (2.3V)
6.4V (8.1V)
0.9V (0.9V)
9
8
7
6
5
4
3
2
1
12
11
10
2.2V (1.3V)
1.1V (2.1V)
1.8V (1.6V)
1.7V (1.7V)
1.6V (1.7V)
1.6V (1.6V)
0.4V (0.5V)
7.1V (8.1V)
17
16
15
14
13
20
19
18
7.1V (8.1V)
1.7V (1.7V)
1.7V (1.7V)
1.7V (1.7V)
21
24
23
22
PIN
NO.
VOLTAGE
IC303
0.2V (11.9V)
4.5V (4.5V)
2.5V (2.5V)
0V (0V)
0V (0V)
0V (0V)
4.5V (4.5V)
0V (0V)
0V (0V)
0V (0V)
5.1V (5.1V)
0V (0V)
9
8
7
6
5
4
3
2
1
12
11
10
0V (2.5V)
0V (0V)
0V (0V)
2.5V (0V)
5.1V (5.1V)
0.9V (0.9V)
0.9V (0.9V)
1.3V (1.1V)
17
16
15
14
13
20
19
18
0V (0V)
2.5V (2.5V)
21
22
PIN
NO.
VOLTAGE
IC302
5.2V (0.2V)
0V (0V)
0.9V (0V)
1.6V (0V)
6.0V (0.4V)
1.6V (0V)
6.0V (0.3V)
5.9V (0.3V)
6.0V (0.3V)
9
8
7
6
5
4
3
2
1
PIN
NO.
VOLTAGE
IC301
0V
2.1V
5.0V
5.0V
4.6V
1.9V
0V
5.0V
0V
2.5V
0V
5.0V
0V
5.0V
0V
0V
2.4V
2.5V
0V
5.0V
1.9V
0V
2.3V
2.3V
0V
4.7V
4.6V
0V
0V
0V
0V
0V
0V
0V
5.0V
0V
0V
0V
0V
0V
0V
5.0V
2.5V
0V
0V
0V
5.0V
4.6V
1.9V
0V
0V
2.1V
0.1V
2.3V
0V
2.5V
0V
2.5V
0V
0V
0V
4.6V
0V
0V
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
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
PIN
NO.
VOLTAGE
51
64
63
62
61
60
59
58
57
56
55
54
53
52
IC2
0V (0V)
0.2V (0.3V)
0V (0V)
0V (0V)
0.5V (0.5V)
4.3V (4.3V)
1.3V (1.3V)
0.6V (0.6V)
4.1V (4.1V)
4.0V (4.0V)
0V (0V)
0V (0V)
9
8
7
6
5
4
3
2
1
12
11
10
0V (0V)
8.1V (8.1V)
4.8V (4.8V)
4.1V (4.1V)
0.6V (0.6V)
0V (0V)
2.5V (2.6V)
0.2V (0.3V)
17
16
15
14
13
20
19
18
4.3V (4.3V)
0.5V (0.5V)
0V (0V)
0V (0V)
21
24
23
22
PIN
NO.
VOLTAGE
IC501
2.5V
2.4V
2.4V
2.4V
1.6V
0V
2.5V
2.5V
0V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
4.2V
2.2V
1.0V
1.0V
2.5V
5.0V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.3V
2.3V
0V
0V
5.0V
5.0V
0V
0V
5.0V
0V
0V
2.5V
0V
0V
2.4V
4.6V
4.6V
0V
0V
5.0V
2.5V
0V
5.0V
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
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
PIN
NO.
VOLTAGE
51
64
63
62
61
60
59
58
57
56
55
54
53
52
IC1
33
35
Table of Contents
Table of Contents
1
Important Service Notes (for U.s.a. Only)
2
Specifications
2
Names of Parts
4
3. FM/AM Loop Aerial Socket
5
Operation Manual
6
Quick Guide
7
Disassembly
11
Removing and Reinstalling the Main Parts
11
Adjustment
12
Test Mode
13
Notes on Schematic Diagram
14
Waveforms of CD Circuit
16
Block Diagram
17
Voltage
34
Troubleshooting
35
Function Table of IC
39
Fl Segment
44
Parts Guide
45
Super Tweeter
51
4
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Sharp CD-C1900 Specifications
General
Brand
Sharp
Model
CD-C1900
Category
Stereo System
Language
English
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