Voltage Measurement And Waveforms - Sony TRINITRON KV-HW21M80 Service Manual

KV-HW21M80/HW21M83/HW21M80J
4-4.

VOLTAGE MEASUREMENT AND WAVEFORMS

A BOARD VOLTAGE LIST AND WAVEFORM
Ref
IC001
RM-W101
Pin No. Voltage[v] Ref
1 0
2 0
3 1.7
4 3.3
5 3.3
6 0
7 3.3
8 0
9 3.3
10 1.4
11 *
12 0
13 0.1
14 2.5
15 4.9
16 (1.7)[1.8]
17 (2.3)[2.2]
18 0
19 2.3
20 2.3
21 (3.9)[3.8]
2
920.0mV
22 1.7
3
1.800V
23 1.8
4
2.040V
24 1.9
25 1.9
26 2.3
27 1.9
28 0
29 (1.9)[0.2]
30 (1.9)[0.2]
31 (2.7)[2.8]
32 0.4
33 *
34 2.1
35 2.1
36 3.2
37 3.2
38 2.1
39 2.4
40 0
41 1.9
42 (1.9)[1.4]
43 (0.5)[0.4]
44 (0.5)[0.4]
45 8.4
46 (1.8)[1.9]
47 4.8
48 1.3
5
2.160V
Pin No. Voltage[v] Ref
49 2.2
50 2.2
51 1.4
52 1.5
53 2.1
54 2.1
55 1.4
56 2.2
57 2.2
58 1.4
59 1.5
60 7.5
61 7.4
62 3.2
63 3.2
64 1.3
65 3.3
66 0.4
PAL
7
216.0mV
7 NTSC
5.440V
67 1.4
8
3.120V
68 0
69 4.9
70 1.2
71 1.2
72 1.2
73 (1.8)[1.9]
74 (1.8)[1.7]
75 1.2
76 0
77 4.9
78 1.2
79 1.2
80 1.2
81 0
82 4.9
83 (2.2)[2.3]
84 3.2
85 1.6
PAL
9
2.240V
IC002
9 NTSC
IC003
2.480V
– 48 –
Pin No. Voltage[v]
86 1.5
10
1.960V
87 (1.4)[1.5]
11 PAL
1.860V
NTSC
11
1.680V
88 3.3
89 0
90 3.3
91 1.6
92 0
93 1.7
94 3.3
95 0
96 1.7
97 3
98 0.4
99 3.3
100 1.7
101 0
102 3.3
103 0
104 2.4
105 2.7
106 0
107 3.3
108 4.4
109 3.6
110 3.3
111 4.9
112 0
113 0
114 0.4
115 0
116 0.4
117 1.7
118 1.7
119 2.8
120 (0.5)[0.4]
121 0
122 0
123 3.3
124 1.7
125 0
126 3.3
127 3.3
128 0
I (3.1)[3.3]
G 0
O 3
1 0
2 0
3 0
4 0
5 3.6
6 4.4
7 0
8 3.3