NEC PF-68T31 Service Manual page 11

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. Wave forms
4.2Vpp
H
N701 PIN26
2.5Vpp
H
N301 PIN19
N301 PIN20
1Vpp
V
N301 PIN47
95Vpp
H
N1701 PIN7
All IC/Transistors voltages
N301 TDA8843
PIN
1
2
V
0.2
3.6
PIN
15
16
17
V
3.0
0
3.4
PIN
29
30
31
V
2.3
2.3
2.3
PIN
43
44
45
V
4.0
0
4.0
N202 LA7910
PIN
1
2
VHF-L 8.5
0
VHF-H
0
8.5 1.6
UHF
0
0
4.6Vpp
1Vpp
V
N701 PIN27
N301 PIN17
2.5Vpp
2.5Vpp
H
N301 PIN21
1.3Vpp
2.7Vpp
V902 B
N301 PIN15
95Vpp
95Vpp
H
N1701 PIN8
N1701 PIN9
3
4
5
6
0
0
2.5
3.0
18
19
20
5.6
2.5
2.5
32
33
34
2.3
0.3
2.5
46
47
48
1.3
2.8
4.6
3
4
5
6
0
0
0
10.3
0
0
10.3
0
1.6
0
10.2 8.5
.
1.2Vpp
H
H
N301 PIN13
0.6Vpp
H
H
N301 PIN40
1000Vpp
H
H
V902 C
22Vpp
H
H
HEATER
7
8
9
10
4.5
4.6
6.7
1.1
21
22
23
24
2.4
2.0
2.6
2.6
35
36
37
38
2.5
5.0
7.1
2.5
49
50
51
52
4.6
1.9
3.8
3.9
7
8
9
0
0
8.5
0
0
8.5
6.4
8.5
11
2.2Vpp
H
N301 PIN38
5Vpp
H
N301 PIN41
300Vpp
H
T611 PIN10
11
12
13
14
3.4
7.8
3.9
0
25
26
27
28
2.6
0.1
2.8
2.8
39
40
41
42
5.0
0.4
0.7
3.4
53
54
55
56
4.5
2.6
2.9
3.4

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