LG 32LG40 Training Manual page 39

Main PWB LVDS P902 Output Check
Main PWB LVDS P902 Output Check
To confirm that the Main PWB is outputting Picture Content signals, check P902 (LVDS) cable for
output. Check 11~20. This signals vary from each other, but looking for signals like the ones
shown below on any of these pins confirm the output of video content.
This signal is using standard SMTE Color Bar output from a generator as the input source.
Remember there are actually
10 pins with LVDS signals.
This only represents two
Waveforms as an example.
P902
Location
MAIN
PWB
Pin 11
Pin 16
39
LCD DV 32LG40