LG 50PQ30 Training Manual page 47

Y-Drive Upper Test Point
(Bottom of Board)
VR108
VR209
Y-Drive Lower Test Point
(Top of Board)
NOTE: The Waveform Test Points are fragile. If by
accident the land is torn and the run lifted, make sure
there are no lines left to right in the screen picture.
Overall signal observed 4mS/div
There are several other test points on either the
Upper or Lower Y-Drive boards that can be used.
Basically any output pin on any of the FPC
to the panel are OK to use.
Highlighted signal from waveform
above observed 400uS/div
Highlighted signal from
waveforms above observed
100uS/div
47
80VRms
100uS
November 2009 50PQ30 Plasma
516V p/p