LG 42LH90 - Navigating On-Screen Menus; Understanding Menu Structure; Basic Menu Navigation Steps

LCD DV 42LH90
38
February 2010
Diode Mode values taken with all Connectors Removed
1.6V5.0V0VPWR2
GndGndGndGnd4
GndGndGndGnd6
Open5.15V5.15V5.2V8
Open5.15V5.15V5.2V10
GndGndGndGnd12
0.98V11.9V0V12V14
GndGndGndGnd16
0.74V24.1V0V24V18
Open4.65V0VINV.ON20
Open0V0VErr Out22
Open3.2V0V
2
PDIM24
Diode
Check
Run STBYLabelPin
P201 Even "SMPS" to P601 "Main"
Openncncnc1
GndGndGndGnd3
GndGndGndGnd5
Open5.15V5.15V5.2V7
Open5.15V5.15V5.2V9
GndGndGndGnd11
0.98V11.9V0V12V13
GndGndGndGnd15
0.74V24.1V0V24V17
Openncncnc19
Open1.66V0.47V
1
A.DIM21
Openncncnc23
Diode
Check
Run STBYLabelPin
P201 Odd "SMPS" to P601 "Main"
1
ADIM Pin 21 Fixed and not used
2
PDIM Pin 24 can vary according to type of signal
being processed and the OSD Backlight setting.
0.33V 0% to 3.3V 100%. Output from the Video
Processor IC100.
Power Supply Connector P201 Voltage and Diode Check
Power Supply Connector P201 Voltage and Diode Check