Dg And Socketpart , Except Xe,Uk Version; Frontpart , Except Xe,Uk Version - Sanyo DVD-1500A Service Manual

VOLTAGE OF IC & TRANSISTOR

2. DG and SOCKETpart , except XE,UK version

IC480
Pin No. 1 2
0V 2.4V
Power OFF
0V 2.4V
Power ON
IC674
Pin No. 1 2
5.6V 5.6V
Power OFF
5.5V 5.5V
Power ON
Transistors
Transistor No. Q4801
Pin Name E
-28.3V -31.9V -28.9V 11.1V 24V 11.7V 0V
Power OFF
-28.1V -30.8V -28.7V 11.1V 24.2V 11.7V 0V
Power ON

3. FRONTpart , except XE,UK version

IC110
Pin No. 1 2
0V 0V
Power OFF
0V 0V
Power ON
Pin No. 17 18
-27.9V -27.9V -27.9V -27.9V -27.5V -27.9V -27.9V -27.9V -27.9V -27.9V -28.1V -28.1V -28.1V -28.1V -28V
Power OFF
-23.2V -20.9V -20.9V -16.5V -27.3V -25.4V -27.7V -18.7V -27.7V -16.5V 21.1V -27.9V -23.4V -25.6V -25.7V -25.7V
Power ON
Pin No. 33 34
4.9V -28.3V -28V
Power OFF
4.8V -28.2V -25.7V -25.7V -25.7V -25.7V -25.7V -25.7V -25.7V -25.7V -25.7V -25.7V 4.8V
Power ON
Pin No. 49 50
4.9V 0V
Power OFF
4.8V 4.8V
Power ON
Transistors
Transistor No. Q6020
Pin Name E
4.9V
Power OFF
1.5V
Power ON
Transistor No. Q8003
Pin Name E
4.9V 4.9V
Power OFF
(V)
3 4 5
5V 5V 5.6V
5V 5V 5.5V
3 4 5
5.5V 0V 5.5V 5.6V
5.5V 0V 5.5V 5.5V
Q4820
C B E C B
3 4 5
0V 0V 4.8V
0V 0V 4.8V
19 20 21
35 36 37
-28V -28V -28.1V -28.1V -28V
51 52
0V 2.7V
0V 2.7V
Q6021
C B E C B
0V 4.9V 1.5V 0V 0V
0V 0V 4.8V 0V 4.8V
Q8004
C B E C B
0V 0V 0V 3.3V
IC483
Pin No. 1
2.5V
Power OFF
2.5V
Power ON
(V)
6 7 8
5.6V 11.1V
5.5V 11.1V
Q6701
E C B E
0V 0.7V 0V
0V 0.7V 0V
6 7 8 9
0V 4.9V 4.9V 4.2V
0V 4.8V 4.9V 4.2V
22 23 24 25
38 39 40 41
-28V
(V)
Q6022
E C B
4.9V 0V 4.9V
0V 0V 0V
Q8006
E C B
0V 4.9V 0V
- 43 -
(V)
2 3
0V 4.2V
0V 4.2V
(V)
Q6801
C B
0V 0.7V
0V 0.7V
10 11 12 13
0V 0V 0V 0V
0V 0V 0V 0V
26 27 28 29
42 43 44 45
-28V -28.1V -28.1V 4.9V
(V)
14 15 16
4.9V -27.5V -27.9V
4.8V -27.3V -23.2V
30 31 32
-28V
46 47 48
4.9V 0V 4.9V
4.8V 4.8V 0V