Voltage Measurement And Waveforms - Sony Trinitron KV-AW21M80 Service Manual

4-4.

VOLTAGE MEASUREMENT AND WAVEFORMS

A BOARD VOLTAGE LIST AND WAVEFORM
Ref Pin No.
IC001
1
3.440Vp-p
1
3.820Vp-p
2
920.0mVp-p
2
2.760Vp-p
3
1.920Vp-p
3
1.880Vp-p
Voltage[v] Ref
1 0
2 0
3 *
4 3.2
5 3.2
6 0
7 3.2
8 0
9 3.2
10 *
11 *
PAL
NTSC
12 0
13 0.1
14 2.4
15 4.8
16 1.8
17 2.2
18 0
19 2.2
20 2.2
21 3.8
PAL
NTSC
22 1.5
PAL
NTSC
Pin No. Voltage[v] Ref
23 1.6
4 PAL
2.040Vp-p
NTSC
4
2.000Vp-p
24 1.8
25 1.8
26 *
27 *
28 0
29 1.8
30 1.8
31 4.5
32 0.4
33 0
34 2.1
35 2.1
36 3.4
37 3.4
38 2.2
39 2.4
40 0
41 1.8
42 1.7
43 0
44 4.0
45 8.4
46 2.2
47 4.7
48 1.3
5 PAL
2.400Vp-p
NTSC
5
2.480Vp-p
49 2.1
50 2.1
51 1.3
52 1.5
53 2.1
54 2.1
55 1.4
56 2.1
57 2.1
58 1.3
59 1.5
60 3.4
61 3.4
62 3.6
63 0
64 1.3
– 49 –
Pin No. Voltage[v]
65 0.2
6 PAL
392.0mVp-p
6 NTSC
332.0mVp-p
66 0
7 PAL
5.520Vp-p
NTSC
7
5.440Vp-p
67 1.4
8 PAL
3.520Vp-p
NTSC
8
3.440Vp-p
68 0
69 1.2
70 1.2
71 1.2
72 1.2
73 1.9
74 1.6
75 0
76 0
77 0.1
78 0
79 1.2
80 1.2
81 0
82 0
83 1.8
84 3.2
85 1.4
9 PAL
2.320Vp-p
9 NTSC
2.200Vp-p
KV-AW21M80
RM-GA002