Voltage Measurement And Waveforms - Sony KV-AR252M81 Service Manual

KV-AR252M81
RM-W102

4-4. VOLTAGE MEASUREMENT AND WAVEFORMS

A BOARD VOLTAGE LIST AND WAVEFORM
Ref
IC001
Pin No. Voltage[v] Ref
1 0
2 3.2
3 3.2
4 0
5 1.7
6 3.2
7 0
8 0
9 4.9
10 2.8
11 1.7
12 1.7
13 (1.0)[1.1]
14 (0.9)[1.0]
15 0
16 0
17 1.5
18 3.2
19 3.2
20 (3.8)[3.7]
21 3.7
22 4.9
23 0
24 (0.1)[0]
25 1.9
26 0
27 3.2
28 0
29 1.7
30 (0.9)[1.1]
31 (0.9)[1.1]
32 2.9
33 1.8
34 0
35 3.2
36 1.8
37 0
38 1.6
39 3.2
40 0
41 3.2
42 1.0
1 PAL
2.36Vp-p
1 NTSC
2.84Vp-p
43 (1.0)[0.9]
2 PAL
1.96Vp-p
NTSC
2
2.16Vp-p
Pin No. Voltage[v] Ref
44 1.0
PAL
3
2.36Vp-p
3 NTSC
2.80Vp-p
45 3.2
46 (3.3)[2.4]
47 4.9
48 0
49 1.2
50 1.2
51 1.2
52 4.9
53 0
54 0.1
55 1.6
56 1.7
57 1.2
58 1.2
59 1.2
60 4.9
61 0
62 1.4
4
3.52Vp-p
63 0.2
5
5.84Vp-p
64 2.0
6 PAL
768mVp-p
NTSC
6
776mVp-p
65 1.1
66 3.4
67 3.4
68 3.4
69 3.4
70 1.5
71 1.7
72 2.1
73 2.1
74 1.3
– 56 –
Pin No. Voltage[v]
75 2.1
76 2.1
77 1.5
78 1.6
79 2.1
80 2.1
81 1.3
82 4.8
7 PAL
70.4mVp-p
7 NTSC
312mVp-p
83 1.9
84 8.2
85 (1.1)[2.1]
86 (1.1)[2.1]
87 (2.0)[1.8]
88 1.9
89 0
90 2.4
91 0.1
92 3.4
93 3.4
94 2.1
95 2.1
96 2.1
97 (0.5)[0.4]
98 (2.8)[2.9]
99 (1.8)[0.2]
100 (1.8)[0.2]
101 0
102 1.9
103 2.3
104 1.9
105 1.9
106 2.2
8
2.76Vp-p
107 2.0
9
2.56Vp-p
108 (3.0)[2.2]
10
1.72Vp-p
109 2.2
110 2.2
111 0