Sony TRINITRON KV-HW21P80A Service Manual page 25

KV-HW21P80A
RM-969
4-4. VOLTAGE MEASUREMENT AND WAVEFORM
A BOARD VOLTAGE LIST AND WAVEFORM
Ref
IC001
Pin No. Voltage[v] Ref
1 4.7
2 0
3 0
4 0
5 4.9
6 0
7 0
8 0
9 4.9
10 4.9
11 0.03
12 0.01
13 0
14 0
15 4.9
IC002
16 0.15
17 4.8
18 0.01
19 0.9
20 0
21 4.9
22 0
IC003
23 0
24 4.9
25 0.44
26 4.2
27 0.03
28 0.07
29 4.9
30 4.8
31 4.9 IC004
32 0.01
33 4.9
34 2.4
IC201
35 2.12
3
2.920V
36 4.9
37 0
38 2.6
39 0.2
40 4.9
41 4.9
42 1.6
43 0.7
44 4.9
45 4.9
46 4.9
47 0.44
2
5.280V
48 4.8
1
IC203
4.960V
49 0
50 0
Pin No. Voltage[v] Ref
51 0
52 0
53 0
54 4.9
55 4.7
56 4.9
IC301
57 4.7
58 0.2
59 0.01
60 8.9
61 0.17
62 0
63 0
64 4.9
I 0
2 4.9
3 4.8
4 12.2
5 4.9
6 0
7 0
1 0
2 0
3 0
4 0
5 4.9
6 4.9
7 0
8 4.9
VCC 4.8
G 0
O 4.22
1 4.5
2 4.5
3 4.5
4 4.5
5 4.5
6 4.5
7 4.5
8 4.5
9 4.5
10 4.5
11 4.5
12 4.5
13 4.5
14 4.5
15 4.5
16 4.5
17 4.5
18 4.5
19 4.5
20 0
21 4.7
22 4.7
23 4.5
24 9
25 0
26 3.8
27 3.8
28 4.5
1 0
2 0
3 20.5
4 0
5 0
6 0
7 10.1
– 26 –
Pin No. Voltage[v]
8 0.3
9 0
10 21.7
11 9.8
12 10.3
1 0.4
2 3.6
3 0
4 0
5 2.4
6 2.8
11
2.520V
7 4.7
8 4.7
9 6.5
10 0
11 3.3
12 8.1
13 3.7
14 0
15 2.9
16 0.1
17 3.3
18 5.1
19 1.9
8
3.840V
20 1.9
9
3.320V
21 1.8
10
3.320V
22 2.5
23 3.5
24 3.5
25 3.5
26 0.1
27 2.5
28 2.5
29 2.4
4
1.420V