Power Supply Layout; Power Supply Voltages - LG 32LG40 Training Manual

POWeR SUPPLy LAyOUT

P402
To Backlight
P401
To Backlight

POwER SUPPlY vOlTAGES

Odd Label Stby
1 16V 0V
3 Gnd Gnd
5 12V 0V
7 Gnd Gnd
9 5V 5V
11 5V 5V
13 Gnd Gnd
15 Gnd Gnd
17 ERR 3.19V 3.3V
19 PWR 0V
21* ADIM 0.1V 1.68V
23 SEL 0V
* ADIM Pin 21 can vary according to OSD Backlight setting. 0.9V 0% to 3.3V 100%
F700
5A/250V
335V
INPUT AC 100V ~ 240V (50/60Hz) 3A
St-by 5.2V (5A)
12V (2A)
OUTPUT
16.5V (1.3A)
P401-P402 950V / 135mA
MODEL PLHL-T715A
P2 "SMPS" to P801 "Main"
Run Diode Check
16V 0.94V
Gnd 0V
11.8V 1.32V
Gnd 0V
5.15V 1.49V
5.15V 1.49V
Gnd 0V
Gnd 0V
OL
2.86V OL
OL
3.2V OL
CIRCUIT DeSCRIPTIONS
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
P2 - To Main
F101
AC IN
8A/250V
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)
47 47
Fall 2008 LCD Training Fall 2008 LCD Training
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