Voltage Measurement And Waveforms - Sony TRINITRON KV-21FS140 Service Manual

4-4.

VOLTAGE MEASUREMENT AND WAVEFORMS

A BOARD VOLTAGE LIST AND WAVEFORMS
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
NTSC
1
1.120Vp-p
22
2 NTSC
1.840Vp-p
23
NTSC
3
2.080Vp-p
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
4 NTSC
2.480Vp-p
Voltage[v] Ref Pin No.
49
0
50
0
51
1.2
52
2.6
53
3.2
54
0
55
3.2
56
0
57
3.1
58
*
59
*
60
0
61
0.1
62
2.4
63
4.8
64
1.9
65
2.1
0
NTSC
5
2.2
2.2
3.2
412.0mVp-p
66
NTSC
6
1.6
5.360Vp-p
67
NTSC
7
1.7
3.440Vp-p
68
69
70
71
72
73
1.8
74
1.5
75
2.3
76
1.8
77
0
78
1.8
79
1.8
80
4.6
81
0.7
82
0
83
2.1
84
2.1
85
3.4
NTSC
3.4 8
2.0
2.4
0
1.8
2.0
1.680Vp-p
0.3
86
0.3
8.3
NTSC
9
1.8
4.8
1.1
1.800Vp-p
Voltage[v] Ref Pin No.
2.1
2.1
10
1.3
1.5
2.1
2.1
1.4
2.1 1.960Vp-p
2.1
1.3
1.5
3.4
3.4
3.4
3.4
1.1
0.2
100
101
102
103
104
0.3
105
106
107
108
109
110
111
112
1.4
113
114
115
116
117
118
119
120
0
121
4.7
122
1.2
123
1.2
124
1.2
125
1.9
126
1.6
127
0.1
128
0
IC002
0.1
1.1
1.2
IC003
1.2
0
4.7
3.4
3.0
1.5
IC200
1.4
IC601
– 47 –
Voltage[v]
87 1.5
NTSC
88 3.1
89 0
90 3.1
91 1.5
92 0
93 1.8
94 3.1
95 0
96 1.8
97 2.8
98 0.3
99 3.2
1.6
0
3.2
0
2.2
0
0
3.1
3.5
3.2
3.2
4.8
0
0
0
0
0.1
1.6
1.6
3.1
0.2
0
0
3.1
1.6
0
3.2
0.2
3.2
I 3.2
G 0
O 2.9
1 0
2 0
3 0
4 0
5 3.2
6 3.6
7 3.1
8 3.1
1 (12.6)[12.7]
2 0
3 23.0
4 0
5 0
6 0
7 11.3
8 0.8
9 0
10 24.2
11 10.2
12 11.3
1 1.4
2 12.4
3 154.9
4 0
5 0.2
KV-21FS140
RM-YA005