Voltage Measurement - Sony KV-XA21M80 Service Manual

KV-XA21M80
RM-952

5-4. VOLTAGE MEASUREMENT

A(1/2) BOARD VOLTAGE LIST
Ref Pin No
IC001 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
IC002 1
2
3
4
5
6
7
IC003 1
2
3
4
5
6
7
8
Voltage[v] Ref Pin No
0 IC100 1
[(4.5)]<4.0> 2
[(0.5)]<0.3> 3
5.0
IC201 1
5.0
2
0
3
4.0
4
4.8
5
0.5
6
4.8
7
5.0
8
0
9
2.1
10
2.0
11
5.0
12
5.0
13
0
14
0
15
[(2.0)]<2.7>
IC203 1
0.4
2
5.0
3
0
4
5.0
5
0.4
6
0
7
5.0
8
4.8
9
5.0
10
0
11
0
12
0
13
0
14
5.0
15
0
16
0
17
2.3
18
2.5
19
4.9
20
5.0
21
0
22
0.4
23
0.4
24
0
25
5.0
26
5.0
27
4.6
28
5.0
IC301 1
4.4
2
0
3
2.0
4
0
5
[(5.0)]<0>
6
0
7
5.0
8
4.9
9
7.3
10
5.0
11
0
12
0
13
0
14
0
15
0
16
0
17
5.0
18
5.0
19
0
20
5.0
21
Voltage[v] Ref Pin No
4.8 22
4.8 23
0 24
25
0
26
19.6
27
10.4
28
20.0
29
10.5
30
19.6
31
0
32
20.0
33
10.3
34
0.6
35
0
36
0
37
0
38
0.6
39
0
40
4.4
41
4.4
42
4.4
43
4.4
44
4.4
45
4.4
46
4.4
47
4.4
48
4.4
49
4.4
50
4.4
51
4.4
52
4.4
IC302 1
4.4
2
4.4
3
4.4
4
4.4
5
4.4
6
4.4
7
0
8
4.5
9
4.5
10
4.4
11
8.8
12
0
13
3.7
14
3.7
15
4.4
16
3.4
IC502 1
5.0
2
[(2.4)]<1.9>
3
5.0
4
4.8
5
4.3
6
1.5
7
3.8
8
4.9
3.8 IC503 1
5.0 2
0 3
3.8 4
2.3 5
3.5 6
3.4 7
5.4
IC601 1
7.6
2
0.8
3
3.6
4
3.0
5
– 42 –
Voltage[v]
3.8
[(3.0)]<3.5>
1.5
1.5
1.6
0
4.5
4.5
4.5
8.8
4.1
4.1
3.6
8.8
4.5
4.5
0
4.1
4.7
4.7
0
5.1
4.9
[(7.1)]<6.5>
5.0
8.7
0.2
[5.1] (4.3) <0>
0
0
*
0.9
0
1.3
0
4.9
4.9
1.0
0
0.5
0
0
1.6
0
1.5
0
1.5
1.3
3.6
1.2
0
3.4
3.0
6.8
8.9
1.0
13.6
[(-12.4)]<12.1>
-13.6
0.2
13.8
1.0
<[3.3]>(1.8)
1.7 (0.2)
113.3
19.0(17.5)
1.6(0.1)