LG 50PS80 Training Manual page 79

Z - SUS PWB Adjustment
Z - SUS PWB Adjustment
PREPARATION:
1) Pre-Heat unit for at least 10 Minutes before making adjustments.
2) Place unit into White Wash from the Customer's Menu for all adjustments.
3) Be sure to use all adjustment values as indicated on the panel
voltage label in the upper right hand corner of the panel. (Example above)
PROCEDURE: (See preceding page for locations)
4) Place DC Volt meter on VZB TP
(Top of R457 to Chassis Gnd).
5) Adjust VZB (Z Bias) VR201 to match your
specific Panel's voltage label.
Z-Bias TP
Top of R457 to
Chassis Gnd
Z-Bias
ADJ
VR201
Lower Right Side Of PWB
August 2009 Plasma 50PS80
79