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Hitachi 51F510 DP43 Service Manual page 93

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Signal PWB (5/5)
Transistors
Circuit
Pin
Voltage
No.
No.
DC
E
4.3
QY01
B
5.0
C
9.0
E
3.8
QY02
B
4.5
C
9.1
E
3.8
QY03
B
4.4
C
9.1
E
0.0
QY07
B
0.0
C
9.2
E
5.4
QY09
B
4.8
C
9.2
E
0.0
QY10
B
2.3
C
3
E
0.6
QY11
B
0.6
C
0.0
E
0.0
QY12
B
2.3
C
3.0
E
5.3
QY13
B
5.0
QY39
C
9.2
E
0.0
QY14
B
2.3
C
3.0
E
0.6
QY15
B
0.0
C
9.2
E
5.3
QY16
B
5.0
C
9.2
E
0.0
QY17
B
0.0
C
9.2
E
3.8
QY18
B
4.5
C
9.2
E
0.3
QY19
B
0.0
C
8.9
E
9.2
QY20
B
8.5
C
0.0
E
0.0
QY21
B
0.0
C
9.2
E
0.0
QY22
B
0.0
C
9.2
E
3.0
QY23
B
0.0
C
0.0
QY62
Transistors (Continued)
IC's
Circuit
Pin
Voltage
Circuit
No.
No.
DC
E
0.7
QY24
B
0.0
C
0.0
E
0.7
QY25
B
0.0
C
0.0
E
0.7
QY26
B
0.0
C
0.0
E
1.1
QY27
B
0.2
C
9.3
E
1.1
QY28
B
0.6
C
9.3
E
0.7
QY29
B
0.0
C
0
E
0.7
QY32
B
0
C
0.0
E
0.7
QY34
B
0.0
C
0.0
E
0.0
B
3.9
C
9.3
E
1.6
QY40
B
2.3
C
3.5
E
3.5
QY41
B
4.2
C
7.9
E
0.0
QY42
B
0.0
C
9.1
E
0.9
QY46
B
1.5
C
89.5
E
1.1
QY47
B
1.0
C
0.0
E
9.2
QY48
B
8.5
C
4.1
E
9.1
QY49
B
8.9
C
0.0
E
5.3
QY50
B
4.7
C
0.0
E
8.0
QY51
B
7.4
C
3.6
E
3.6
QY52
B
3.0
C
0.0
E
8.0
QY53
B
7.4
C
3.8
E
3.8
QY54
B
3.1
C
0.0
E
7.5
QY55
B
6.8
C
3.0
E
4.0
QY56
B
3.4
C
0.0
E
0.0
QY57
B
0.0
C
8.9
E
7.8
QY58
B
7.8
C
0
E
7.7
QY59
B
1
C
9.3
E
0.0
QY60
B
0.2
C
2.6
E
11.0
B
9.9
C
10.5
E
0.0
QY63
B
0.0
C
9.6
DC VOLTAGES
Pin
Voltage
Circuit
No.
Name
DC
1
5.7
IY01
2
0.0
3
3.3
1
5.7
2
NC
IY02
3
0.0
4
4.8
5
5.0
1
3.3
2
NC
3
3.3
IY03
4
2.3
5
0.0
6
0.0
7
1.8
8
1.8
1
0.6
2
0.0
3
0.0
4
4.8
5
0.0
6
4.9
IY04
7
4.9
8
9.2
9
0.0
10
0.0
11
0.0
12
2.3
13
2.3
14
2.3
IY04
15
0.0
16
9.2
17
0.0
18
4.0
19
4.0
20
0.0
21
4.0
22
0.0
23
0.5
24
4.0
25
4.0
26
4.0
27
0.0
28
5.0
29
0.0
30
5.0
93
Pin
Voltage
Circuit
No.
Name
DC
No.
31
2.1
32
0.0
IY04
33
0.0
34
0.5
35
5.0
36
0.0
37
0.9
38
0.0
39
1.0
40
2.5
41
2.9
42
0.0
IY05
43
0.0
44
6.7
45
9.2
46
0.0
47
NC
48
0.0
49
1.5
50
3.0
51
0.0
52
3.2
53
NC
IY06
54
0.0
55
0.0
56
0.0
57
7.8
58
7.0
IY07
59
0.0
60
4.7
61
4.7
62
NC
63
4.7
64
0.1
65
0.0
66
4.7
67
4.7
68
4.7
69
0.0
70
5.5
71
0.1
72
0.0
73
0.0
74
5.6
75
9.2
76
0.0
DP43
Pin
Voltage
Name
DC
77
4.1
78
5.4
79
0.0
80
0.6
1
0.0
2
0.0
3
NC
4
NC
5
NC
6
0.0
7
0.0
8
0.0
9
0.5
10
9.1
11
0.5
12
3.1
13
4.9
14
3.1
15
0.0
16
9.2
1
0.0
2
4.8
3
9.2
4
9.0
5
10.5
1
0.0
2
4.8
3
9.2
4
9.0
5
10.5

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