25
TROUBLE SHOOTING GUIDE
2. VOLTAGE CHART
IC301 : A/V IC ( LA71501M )
POWER IC
IC504 : OP-AMP IC ( KA4558 / MC4558 )
MODE
PIN.NO.
REC
PB
MODE
PIN.NO.
REC
PB
MODE
PIN.NO.
REC
PB
MODE
PIN.NO.
REC
PB
1
2.44
2.40
21
0.35
0.39
41
0.06
61
2.05
2.02
2
0.01
0.00
22
1.56
2.25
42
2.00
62
0.21
0.26
3
2.44
2.41
23
0.02
1.80
43
0.48
63
4.48
4.48
4
1.03
0.05
24
2.41
1.82
44
1.83
64
4.75
4.75
5
1.35
5.51
25
2.15
2.08
45
1.96
65
0.31
0.31
6
0.86
0.02
26
3.08
3.03
46
0.03
66
0.00
0.40
7
2.42
2.39
27
0.00
0.06
47
5.09
67
0.04
0.04
8
2.46
2.40
28
1.08
0.28
48
2.85
68
0.06
0.61
9
2.37
2.37
29
1.90
2.16
49
4.42
69
5.09
5.08
10
2.37
2.37
30
2.11
0.00
50
2.92
70
0.02
0.00
11
3.07
2.38
31
4.08
4.08
51
4.23
71
2.39
2.38
12
2.32
2.31
32
1.80
0.28
52
3.22
72
0.01
0.01
13
1.71
2.08
33
0.58
0.58
53
0.00
73
2.39
2.38
14
2.95
0.31
34
2.17
0.00
54
2.15
74
2.41
2.40
15
0.00
3.25
35
3.14
3.16
55
5.15
75
2.39
2.38
16
2.56
2.59
36
5.09
5.06
56
5.15
76
5.15
5.14
17
3.32
1.64
37
0.59
0.59
57
0.01
77
2.49
2.48
18
2.11
2.56
38
1.70
1.78
58
0.19
78
0.00
0.00
19
4.30
0.08
39
3.19
3.18
59
2.46
79
2.40
2.38
20
3.14
3.05
40
3.01
3.00
60
4.07
80
5.14
0.15
MODE
PIN.NO.
IC801
IC802
IC803
1
15.0
6.0
Vcc
2
12.5
5.2
6.6
3
GND
GND
GND
4
6.0
6.0
1.25
MODE
PIN.NO.
REC
PB
MODE
PIN.NO.
REC
PB
1
3.04
3.50
5
3.04
3.40
2
3.04
3.40
6
3.04
3.40
3
3.04
3.40
7
3.04
3.40
4
8
5.90
5.90
All manuals and user guides at all-guides.com
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Summary of Contents for DV-S123W Series
Page 33: ...32 PRINTED CIRCUIT BOARD 1 PCB MAIN All manuals and user guides at all guides com...
Page 34: ...33 PRINTED CIRCUIT BOARD 2 PCB POWER SMPS All manuals and user guides at all guides com...
Page 40: ...39 EXPLODING VIEWS PARTS LIST 1 PACKING AS All manuals and user guides at all guides com...
