LG 50PK950 Training Manual page 45

Switch Mode Power Supply Overview
Switch Mode Power Supply Overview
Y-SUS Board
Z-SUS Board
Main Board
Adjustments
The Switch Mode Power Supply Board Outputs to the :
VS
Drives the Display Panel's Horizontal Electrodes.
To Y-SUS, fused then to the X-Boards. (Not used by Z-SUS).
VA
Primarily responsible for Display Panel Vertical Electrodes.
Used to develop Bias Voltages on the Y-SUS, Z-SUS Boards.
M5V
VS Drives the Display Panel's Horizontal Electrodes.
STBY 5V Microprocessor Circuits
17V Audio B+ Supply, Tuner B+ Circuits
5V Signal Processing Circuits
AC_Det and Error_Det
There are 2 adjustments located on the Power Supply Board VA and VS. The
M5V is pre-adjusted and fixed. All adjustments are made referenced to Chassis
Ground. Use "Full White Raster" 100 IRE
VS
VR901
VR501
VA
45 October 2010
SMPS p/n: EAY60968801
50PK950 Plasma