Vz (Z - Bias) Adjustment - LG 42PQ30 Training Manual

VZ (Z - Bias) Adjustment
VZ (Z - Bias) Adjustment
Read the Label on the back of the
upper left hand side of the panel.
Adjust using VR8.
Z Bias
VR8
Bottom Center of Z-SUS Board
VZ (Z-Bias) TP Right
Side R49 or R50
Set should run for 15 minutes, this is the "Heat Run" mode.
Set screen to "White Wash" mode or 100 IRE White input.
Measured from Chassis Ground
Adjust VZ (Z-Bias) to Panel Label (± 1V)
73 Preliminary Information 42PQ30