JVC AV28BT7ENS Service Manual page 47

VOLTAGE TABLES
MAIN PWB
IC050
PIN NO. VOLTAGE PIN NO. VOLTAGE
1 2.8 11 3.0
2 4.5 12 0
3 2.9 13 4.0
4 4.8 14 2.8
5 2.9 15 4.0
6 3.2 16 4.0
7 0 17 4.0
8 2.9 18 4.0
9 7.9 19 0
10 4.0 20 3.7
IC401
PIN NO. VOLTAGE PIN NO. VOLTAGE
1 0.3 29 2.4
2 3.7 30 2.4
3 0 31 2.4
2.4
4 0 32
5 2.5 33
0.3
6 3.0 34 2.5
7 4.5 35 2.5
8 4.5 36 4.7
9 6.7 37 7.8
10 0.1 38 2.8
11 3.7 39 5.0
12 7.8 40 0.1
13 4.0 41 0.9
14 0 42 3.1
15 3.0 43 4.0
16 0 44 0
17 3.7 45 3.0
18 5.4 46 2.3
19 3.5 47 2.3
20 3.1 48 4.6
21 3.4 49 4.6
22 2.1 50 2.0
23 3.5 51 3.8
24 3.5 52 3.8
25 3.5 53 4.3
26 0.1 54 2.3
27 3.0 55 2.9
28 3.0 56 3.3
IC801
PIN NO. VOLTAGE PIN NO. VOLTAGE
1 12.5 4 2.6
2 11.5 5 12.4
3 0 6 0.1
IC802
PIN NO. VOLTAGE PIN NO. VOLTAGE
1 12.4 9 0.8
2 12.1 10 2.6
3 0.1 11 2.3
4 0 12 0.2
5 0.9 13 3.0
6 0.1 14 2.4
7 0.2 15 2.6
8 0.2 16 2.4
IC805
IC804
PIN NO. VOLTAGE
PIN NO. VOLTAGE
1 2.1 1 12.4
2 0
2 12.5
3 3.3 3 7.9
IC807
PIN NO. VOLTAGE
1 9.1
2 0
3 5
AV28BT7ENS / AV28BT7ENB
AV28BT7EES / AV28BT7EEB
AV28BT7EPS / AV28BT7EPB
IC701
PIN NO. VOLTAGE PIN NO. VOLTAGE
1 2.3 6 45.2
2 2.3 7 7.7
3 15 8 0
4 7.5 9 7.5
5 0
IC100
PIN NO. VOLTAGE PIN NO. VOLTAGE
1 0 6 0
2 12.7 7 12.6
3 0 8 0
4 0 9 0
5 -12.6
IC501
PIN NO. VOLTAGE PIN NO. VOLTAGE
1 27 0
0
2 0 28 0
3 0 29 0
4 3.3 30 3.3
5 3.3 31 3.3
6 3.3 32 3.3
7 3.3 33 3.3
8 0 34 0.5
9 2.4 35 0.5
10 0 36 0
11 3.3 37 2.4
12 0.9 38 0.3
13 2.4 39 0.2
14 0 40 0.3
15 0.1 41 0
16 0 42 2.4
17 0 43 0
18 2.4 44 3.3
19 0.3 45 0
20 0.1 46 3.3
21 0 47 3.3
22 2.1 48 3.3
23 3.3 49 3.3
24 3.5 50 3.3
25 3.1 51 3.3
26 3.1 52 3.3
IC502
PIN NO. VOLTAGE PIN NO. VOLTAGE
1 0 5 0.1
2 0 6 0.1
3 0 7 3.3
4 0 8 3.3
No.51883
AV28BT7ENS / AV28BT7ENB
AV28BT7EES / AV28BT7EEB
AV28BT7EPS / AV28BT7EPB
Note)
Although the symbol numbers of the level
drive transistor and level output
transistor are indicated as Q604 and Q606 on
the wiring diagram, the numbers
are indicated as Q601 and Q605 on the
substrate, respectively. The following
table shows the silk-printed symbol numbers
on the substrate.
E(D) C(S)
Q055 2.4 7.8
Q100 0 12.6
Q501
11.9 0
Q503 3.3 3.3
Q512 5.4 3.4
Q514 0 4.8
Q515 4.8 3.2
Q516 3.2 4.8
Q517 4.5 3.2
Q518 3.2 4.8
Q601 0 0
Q603 15.2 0
Q605 0 ---
Q701 0.1 0
Q702 0 0
Q802 167 0
Q805 0 0
Q806 0 0
Q807 0 11.5
Q809
Cathode:11.3V
Anode:0V
Control terminal:2.4V
2-15 2-16
IF PWB
IC301
PIN NO. VOLTAGE PIN NO.
1 2.5 33
2 0 34
3 0 35
4 4.9 36
5 0 37
6 0 38
7 4.9 39
8 0 40
B(G)
9 4.5 41
3.0
10 4.5 42
0
11 2.4 43
0
12 2.4 44
2.5
13 2.4 45
4.8
14 0.1 46
0
15 0.1 47
2.4
16 0.1 48
2.4
17 0 49
2.4
18 4.8 50
2.4 19 0 51
0.1 20 0 52
3.1
21 0 53
0
22 0 54
0.4
23 0 55
0.6
24 4.9 56
0.1 25 0.1 57
0.6 26 0.1 58
27 0 59
0.6
28 0 60
0
29 0 61
30 0 62
31 0 63
32 0 64
IC304
PIN NO. VOLTAGE PIN NO.
1 2.4 5
2 2.4 6
3 2.4 7
4 0 8
IC307
PIN NO. VOLTAGE PIN NO.
1 3.2 15
2 3.2 16
3 4.9 17
4 0 18
5 0.1 19
6 2.4 20
7 2.4 21
8 2.2 22
9 0 23
10 2.7 24
11 0 25
12 2.1 26
13 5.0 27
14 0 28
E(D) C(S) B(G)
Q301 4.8 4.8 4.1
CRT SOCKET PWB
IC901
PIN NO. VOLTAGE PIN NO.
1 3.2 6
2 2.9 7
3 3.2 8
4 0 9
5 6.0
No.51883
VOLTAGE
3.7
3.7
0
3.7
3.7
6.8
7.8
6.5
0
3.6
3.7
3.7
0
3.7
3.7
0
3.7
3.7
0
3.7
3.7
2.6
3.7
0
4.9
0.1
0.1
0.1
0
2.3
2.3
0
VOLTAGE
4.9
2.4
2.4
2.4
VOLTAGE
0.1
0
4.3
3.0
3.5
3.3
3.3
3.3
3.5
4.5
0
3.4
0.1
0.1
VOLTAGE
0.1
0.1
0.1
0.1