LG 42LG70 Training Manual page 66

Main PWB Connector P800 Even Pins Voltage and Resistance
Main PWB Connector P800 Even Pins Voltage and Resistance
Diode Mode values taken with all Connectors Removed
P800 CONNECTOR "Main" Even Pins to P201 "SMPS PWB"
Pin Label
2 16V
4 Gnd
6 12V
8 Gnd
10 ST-5V
12 ST-5V
14 Gnd
16 Gnd
18 AC-Det
20 INV On/Off
22 PWM-VBRB
24 n/c
Pin 22 PWM-VBRB (VBR-B) can vary according to type of signal being processed,
OSD Backlight setting. (0.9V 0% to 3.3V 100%) and the Intelligent Sensor.
Output from the BCM chip.
STBY Run Diode Check
0V 16V
Gnd Gnd
0V 12.3V
Gnd Gnd
ST-5V 5.1V
ST-5V 5.1V
Gnd Gnd
Gnd Gnd
5V 5V
0V 3.2V
0V 1.4V
0V 0V
Spring 2009
66
OL
Gnd
3.1V
Gnd
1.48V
1.48V
Gnd
Gnd
OL
1.89V
OL
OL
LCD DV 42LG70