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