Y Sus Block Diagram - LG 42PQ30 Training Manual

Y SUS Block Diagram

Y SUS Block Diagram
Block Diagram of Y-Sustain Board
Power Supply Board - SMPS
Z-SUS Board
Distributes 15V
Receive M5V, Va, Vs Distributes 15V and 5V
Control Board
from SMPS
Distributes VA
Logic signals
needed to
generate drive
waveform
Generates Vsc and -Vy
Circuits generate
from Vs by DC/DC Converters
Y Sustain Waveform
Also controls Ramp Up/Down
Generates Floating Ground
Left X Board
5V by DC/DC Converters
FETs amplify Sustain
Waveform
Y Drive Board
Display Panel
Receives Scan Waveform
53 Preliminary Information 42PQ30