Daewoo 2898ST, Service Manual

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41
Input signal PAL/CH5-Video : 8 step colour bar (87% AM)
Audio : 1 KHz sinewave (60% FM)
User’s control condition Contrast, Brightness, Colour, Volume Controls-max.
Line voltage AC 230V, 50Hz
All the voltage in each point are measured with Multimeter
1. TDA 8375A (I501)
IC DC Voltage charts
Pin No.
V(DC)
1
0
2
0
3
3.6
4
3.6
5
2.7
6
3.3
7
3.7
8
3.4
9
6.6
10
4
Pin No.
V(DC)
11
3.5
12
8
13
4
14
0
15
3.4
16
3.6
17
3.5
18
5.1
19
3.8
20
3.9
Pin No.
V(DC)
21
4
22
1.9
23
3.5
24
3.5
25
3.5
26
0.3
27
2.8
28
2.8
29
1.8
30
1.8
Pin No.
V(DC)
31
4
32
4
33
1.6
34
2.6
35
2.6
36
4.9
37
8
38
8
39
4
40
1.5
2. DW 5255S (I701)
Pin No.
V(DC)
1
0
2
5
3
3.4
4
3.6
5
5
6
5
7
5
8
5
9
0
10
0
Pin No.
V(DC)
11
5
12
2.6
13
2.6
14
5
15
5
16
4.1
17
0
18
5
19
5
20
0
Pin No.
V(DC)
21
5
22
5
23
5
24
0
25
2.6
26
2.6
27
2.6
28
5
29
1.5
30
1.5
Pin No.
V(DC)
41
0.5
42
4.5
43
4
44
0
45
0.5
46
2.2
47
2.2
48
4
49
4
50
1.7
Pin No.
V(DC)
51
3.8
52
3.9
53
3
54
3
55
3.5
56
3.8