LG 50PC1DR - - 50" Plasma TV Troubleshooting Manual page 17

Troubleshooting Single Scan Panel
Vset UP too high
Vset UP too low
Plasma Display Panel Troubleshooting - 2007
Panel Waveform Adjustment
The center begins to wash out and arc due to Vset UP
Peeking too late and alters the start of the Vset DN phase.
Very little alteration to the picture, the wave form indicates a
distorted Vset UP. The peek widens due to the Vset UP
peeking too quickly.
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