LG 50PS80 Training Manual page 59

V Set Up Too High or Low
V Set Up Too High or Low
NOTE: If Vset DN too high, this set will go to excessive bright,
then shutdown. To correct, remove the LVDS from control
All Waveforms taken at 50V per/div, 50uSec per/div
PWB and make necessary adjustments.
Ramp (Vset UP) too high
Vset DN too high
Ramp (Vset UP) too low
Vset DN too low
59 August 2009 Plasma 50PS80