LG 50PK950 Training Manual page 97

Z - Bias (VZB) VR204 Adjustment
Z - Bias (VZB) VR204 Adjustment
Read the Voltage Label on the back top center
of the panel when adjusting VR204.
VZB (Z Bias)
VR204
Negative
Lead
Location Top Right of Z-SUS Board
Set should run for 10 minutes, this is the "Heat Run" mode.
Set screen to "White Wash" mode or 100 IRE White input.
Adjust VZ (Z-Bias) to Panel Label (± 1/2V)
Example of a
voltage label:
VZB (Z-Bias) TP
Across R275
97 October 2010
Model : PDP 50R1###
Voltage Setting: 5V/ Va:60/
Vs:203
N.A. / -190 / 150 / N.A. / 115
Max Watt : 450 W (Full White)
VZB (Z-Bias)
Positive
Lead
50PK950 Plasma