LG 42PW350 - Y-SUS Block Diagram; Simplified Y-SUS Sustain Board Diagram

Y-SUS Block Diagram
Power Supply Board - SMPS
Z-SUS Board
Distributes Vs, M5V, Va
Z-SUB
Distributes Va
Simplified Block Diagram of
Y-Sustain Board
Distributes
M5V
Distributes
18V / M5V
Y-SUS Board
Distributes Vs, M5V
Distributes
M5V
Receive M5V,
V
s
from Z-SUS
Distributes 18V
Control Board
VS
M5V
Generates Vsc and -Vy
From VS by DC/DC Converters
Also controls Set Up/Down
Circuits generate
Y-Sustain Waveform
Right X Board
Generates Floatin
g
Ground
Distributes
VA
Distributes
3.3V
M5V
FETs amplify Y-Sustain
Waveform
g
5V & 15V by DC/DC Converter
Also 18V by same DC/DC
FG5V
Left X Board
Logic signals needed to generate drive waveform
Y-Drive Board
Receives Scan Waveform
Display Panel
Logic signals needed to
scan the panel
June 2011 42PW350 Plasma
83
Logic
signals
needed
to
generate
drive
waveform