LG 42LH20 - Main PWB P700 to Power Supply Voltage;Diode Check

LCD or PLASMA 2009 Model
60
Main PWB Connector P700 to Power Supply Voltage and Diode Check
Main PWB Connector P700 to Power Supply Voltage and Diode Check
Diode Mode values taken with all Connectors Removed
Open3.2V0V
2
PDIM24
Open0V0VErr Out22
1.9V3.8V0VInv.Out20
Open21.4V0V24V18
GndGndGndGnd16
2.1V12.3V0V12V14
GndGndGndGnd12
1.1V5.14V5.14V5V10
1.1V5.14V5.14V5V8
GndGndGndGnd6
GndGndGndGnd4
1.87V4.98V0VPWR-ON2
Diode
Check
Run STBYLabelPin
ncncncnc23
2V1.7V0V
1
A.DIM21
ncncncnc19
Open21.4V0V24V17
GndGndGndGnd15
2.1V12.3V0V12V13
GndGndGndGnd11
1.1V5.14V5.14V5V9
1.1V5.14V5.14V5V7
GndGndGndGnd5
GndGndGndGnd3
ncncncnc1
Diode
Check
Run STBYLabelPin
1
ADIM Pin 21 Fixed and not used
2
PDIM Pin 24 can vary according to type of signal
being processed, OSD Backlight setting. 0.6V 0%
to 3.3V 100% and the Intelligent Sensor. Output
from the BCM chip.
P700 “Main PWB" to P201 “SMPS PWB"
Odd Pins Even Pins