60
August 2009 Plasma 50PS80
Block Diagram of Y-Sustain Board
Y SUS Block Diagram
Y SUS Block Diagram
Control Board
Circuits generate
Y Sustain Waveform
Distributes 15V
Generated by
on board SMPS
Logic signals
needed to
generate drive
waveform
Distributes VA
Receive M5V, Va, Vs
from SMPS
Y Drive Board
Receives Scan Waveform
Display Panel
Power Supply Board - SMPS
FETs amplify Sustain
Waveform
Left X Board
Z-SUS Board
Distributes 15V
Generates Floating Ground
5V by on board SMPS
Logic signals needed to control buffer
outputs. Routed through Y-SUS board.
Operates referenced to Floating Gnd
Center X Board
Right X Board
Vs and M5V
M5V
Generates Vsc and -Vy
from Vs or M5V by internal SMPS
Also controls Set Up/Down via adj.
R, G, B Logic and 3.3V
VA
VA
R, G, B
Logic
3.3V
Logic signals needed to generate drive waveform
To Vertical Electrodes
To Horizontal
Electrodes
