LG 42PW350 - Switch Mode Power Supply Overview; SMPS Board Voltage Outputs

The Switch Mode Power Supply Board Outputs to the :
Switch Mode Power Supply Overview
VA
Z-SUS Board
VS
M5
V
To ZY-SUS, fused then to Z-SUB, then to the X-Board Left, then X-Right.
Primarily responsible for Display Panel Vertical Electrodes.
Drives the Display Panel’s Horizontal Electrodes. (From Z-SUS to Y-SUS).
Used to develo
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Bias Volta
g
es on the Z-SUS then routed to the Y-SUS
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,
Then Routed to the Control board and then back to the Z-SUS Board.
Main Board
17V Audio B+ Supply, Tuner B+ Circuits
5V Signal Processing Circuits
STBY 5
V
Microprocessor Circuits
Also AC_Det (if missing, Mutes the Audio and Error_Det (not used)
Ad
j
ustments
There are 2 adjustments located on the Power Supply Board VA and VS. The
M5V i
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Ground. Use “Full White Raster” 100 IRE
VA
VS
VR502
VR901
June 2011 42PW350 Plasma
61
VA
VR502