Voltage Measurement And Waveforms - Sony KP-FR43M31 Service Manual

6-4. VOLTAGE MEASUREMENT AND WAVEFORMS

A BOARD VOLTAGE LIST AND WAVEFORMS
Ref Pin No.
CN2003
CN2004
Voltage[v] Ref
1 0
CN2005
2 4.5
3 0
4 4.5
5 0
6 0
7 0
8 0
9 1.6
10 4.5
11 4.4
12 0
13 3.1
14 2.5
15 0.3
16 4.6
17 4.8
18 0
19 0
20 -0.2
21 0
22 0
23 0
24 0
25 0
26 4.9
27 0
28 0
29 0
30 0
31 0
32 0
33 0
34 2.3
35 2.9
36 0
37 0
38 0
39 4.9
40 0
41 3.3
42 0.4
43 0
44 0
45 11.8
46 0
47 0
48 0
49 0
50 0
13 3.2
16 *
17 0
19 2.3
21 2.4
24 *
25 0.8
27 4.1
28 *
29 0
31 0.2
32 0.1
34 2.4
36 2.4
39 2.0
41 0
42 0
44 2.9
46 0
50 2.0
Pin No. Voltage[v] Ref
1 0 CN2006
2 0
3 0
4 2.1
5 2.0
6 2.0
7 0.7
CN2007
8 4.8
9 0
10 0.1
11 0
CN2011
12 2.7
1
3.400Vp-p
13 -0.1
14 0.7
15 0
CN2012
16 0.8
17 0
18 2.7
19 3.4
2
2.000Vp-p
20 *
CN2015
3
1.800Vp-p
21 3.5
22 3.4
23 3.5
24 2.6
25 0.5
26 0
27 0.1
28 0.2
29 0
30 4.3
31 4.2
32 0
33 0.8
34 2.3
35 9.1
36 0
37 2.3
38 0
39 2.3
40 0
41 0
42 0.1
43 0
44 0
45 3.2
46 0
47 0
48 0
49 0
50 0
– 133 –
KP-FR43M31/FR43M91
Pin No. Voltage[v]
2 2.7
4 -0.1
5 -0.2
7 0.8
8 0
10 0.8
1 2.7
3 3.4
4 3.4
9 3.5
3 0.5
4
5.600Vp-p
4 2.3
8 0
9 0
1 32.4
2 0
3 9.1
4 0
5 0
6 0
7 11.8
8 0.1
9 0
10 0
1 3.1
5
62.00Vp-p
5 4.0
9 8.2
11 3.8
13 4.0
14 4.0
17 4.1
19 0.2
21 2.2
25 1.8
28 1.9
6
62.00Vp-p
31 2.6
37 3.9
38 3.8
39 1.9
40 -1.0
41 1.8
42 1.8
43 0.6
44 4.4
45 0
46 0.1
RM-GA001