Voltage Measurement And Waveforms - Sony TRINITRON KV-AR25M90B Service Manual

4-4. VOLTAGE MEASUREMENT AND WAVEFORMS

A BOARD VOLTAGE LIST AND WAVEFORM
Ref Pin No.
IC001 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
1 PAL
1.560Vp-p
1 NTSC
2.600Vp-p
43
2 PAL
1.540Vp-p
NTSC
2
1.280Vp-p
Voltage[v] Ref Pin No.
44
0
3.3
3
(3.3)[0]
(1.4)[0]
(3.3)[2.0]
(0)[3.3]
0
2.240Vp-p
0
0
45
3.0
46
2.0
47
2.0
48
2.0
49
1.0
50
4.9
51
0
52
2.0
53
2.0
54
3.3
55
4.0
56
4.0
57
5.0
58
0
59
0
60
2.0
61
1.0
62
3.3
4
0
2.0
1.0
1.0
(3.3)[0]
3.360Vp-p
(1.0)[0]
0
63
(3.3)[0]
2.0 5
0
2.0
(3.3)[0]
0
3.3
5.760Vp-p
2.0
64
6
448.0mVp-p
65
66
67
68
69
70
2.0
71
72
73
74
75
76
77
78
79
80
81
– 53 –
Voltage[v]
Ref Pin No.
2.0 82
7 PAL
2.240V
7 NTSC
3.2
(0)[2.0]
(2.1)[5]
0
(1.2)[0]
1.2
2.120V
(1.2)[1.0]
83
0
84
0
85
0
86
2.0
87
2.0
88
(1.2)[0]
89
1.2
90
1.2
91
5.0
92
0
93
(0)[1.5]
94
95
96
97
98
99
100
101
0
102
103
104
105
106
8
0
2.400Vp-p
107
9
(1.2)[1.5]
(0)[3.3]
(3.2)[0]
2.200Vp-p
(3.2)[6.3]
(3.2)[0]
108
(2.0)[0]
10 PAL
(1.4)[0]
(0)[2.2]
(2.3)[0]
(1.4)[0]
(0)[2.3]
(0)[2.3]
1.000V
2.0
10 NTSC
(1.4)[2.1]
2.3
2.3
(1.3)[1.7]
1.300V
109
110
111
112
113
114
115
116
KV-AR25M90B
RM-W104
Voltage[v]
4.9
0
(2.1)[8.2]
(1.0)[1.4]
(0)[3.0]
(1.6)[0.2]
(2.0)[3]
0
2.4
2.2
3.2
3.2
2.3
2.3
0
0
(2.5)[4.8]
2.0
2.0
0
2.0
2.3
(1.2)[2.0]
(0)[2]
2.2
2.0
(2.0)[2.3]
2.3
(3.0)[2.3]
0
2.2
2.0
(2.2)[2.5]
2.5
0.1