Gnd Ol Ol - LG 32LG40 Training Manual

CIRCUIT DeSCRIPTIONS
Odd Label Stby
1 16V
3 Gnd
5 12V
7 Gnd
9 5V
11 5V
13 Gnd
15 Gnd
17 ERR 3.19V 3.3V
19 PWR
21* ADIM 0.1V 1.68V
23 SEL
* ADIM Pin 21 can vary according to OSD Backlight setting. 0.9V 0% to 3.3V 100%
P401 "MAIN" to "Front Keys"
4 Pin Stby
1 3.25V
2 3.25V
2
3
4
L
5 3.3V
6 3.3V
G
7 3.3V
8
6
9
10 3.92V
0
11
12
13
14
15
58 58
Fall 2008 LCD Training Fall 2008 LCD Training
P801 "Main" to P2 "SMPS"
Run Diode Check
0V 16V 0.94V
Gnd Gnd 0V
0V 11.8V 1.32V
Gnd Gnd 0V
5V 5.15V 1.49V
5V 5.15V 1.49V
Gnd Gnd 0V
Gnd Gnd 0V
OL
0V 2.86V OL
OL
0V 3.2V OL
Run Diode Check
3.25V 2.26V
3.25V 2.26V
0V 0V Gnd
0V 0V Gnd
3.3V 1.85V
3.3V 1.85V
3.3V 0.71V
5V 5V 1.47V
0V 0V Gnd
3.92V 1.35V
0V 0V OL
0V 0V Gnd
0V 0V OL
0V 0V OL
0V 0V Gnd
Even Label Stby
2 16V 0V
4 Gnd Gnd
6 12V 0V
8 Gnd Gnd
10 5V 5.15V 5.15V
12 5V 5.15V 5.15V
14 Gnd Gnd
16 Gnd Gnd
18 ACD 4V
20 INV 0V
22 PDIM 0V
24 SYNC 0V
P800 "Main" to P102 "Control"
Pin Stby
1 0V
2 0V
3 0V
4 0.5V
5 0V
6 0V
7 0V
8 0V
9 3.3V
10 3.3V
11 3.3V
12 3.3V
13 3.3V
Run Diode Check
16V 0.94V
Gnd 0V
11.8V 1.32V
Gnd 0V
1.49V
1.49V
Gnd 0V
Gnd 0V
4.57V 1.85V
3.29V OL
3.38V OL
0V OL (Not Used)
Run Diode Check
5V 0.8V
5V 0.8V
0V Gnd
3.3V 0.55V
0V Gnd
16V OL
16V OL
0V Gnd
3.3V 1.39V
3.3V 1.28V
3.3V 1.24V
3.3V 1.29V
0V 1.35V