Overall Block Diagram - LG LST-3100A Service Manual

OVERALL BLOCK DIAGRAM

1. OVERALL BLOCK DIAGRAM 1
AC120V
Board-to-Board Connection
SMPS
1 PWR_CTRL 1
2 30V 2
Board
3 GND 3
4 12V 4
5 9V 5
6 GND 6
7 5V 7
8 5V 8
9 3.3V 9
10 3.3V 10
11 GND 11
12 -28V 12
13 GND 13
14 FD(-)/-24V 14
15 FD(+)/-21.5V 15
3-34
MAIN Board
3 6 9 12
1 2 4 5 7 8 10 11
5
28
24
21
5
1 2 3 4 5 6 7 8 9 10 11 12
FRONT Board
3-35