LG 42LG60 Manual page 55

Main PWB Connector P800 and P501 Voltage and Resistance
Main PWB Connector P800 and P501 Voltage and Resistance
P800 CONNECTOR "Main" Odd Pins to P102 "Control PWB"
Pin SBY
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
Resistance taken in Diode Mode with Connectors Removed
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
P501 CONNECTOR "Main" to "Speakers"
Pin SBY
1 0V
2 0V
3 0V
4 0V
Use speaker out to test for
defective Audio Amp
55
Run Diode Check
8V 2.58V
8V 2.58V
8V 2.58V
8V 2.58V
IC501
LCD DV 42LG60