LG 50PK950 Training Manual page 102

CONTROL BOARD SECTION
CONTROL BOARD SECTION
This Section of the Presentation will cover troubleshooting the Control Board Assembly. Upon
completion of this section the Technician will have a better understanding of the circuit and be
able to locate test points needed for troubleshooting.
Signals
Signals
Main Board Supplied Panel Control and LVDS (Video) Signals
Control Board Generated Y-SUS and Z-SUS Drive Signals (Sustain)
Operating Voltages
Operating Voltages
Developed on the Control Board
• DC Voltage and Waveform Test Points
• Diode Mode Test Points
Y-SUS Supplied
X Board Drive Signals (RGB Address)
+5V (M5V) Developed on the SMPS
+18V (Routed to the Z-SUS)
(Not used by the Control Board)
+1.8V for internal use
+3.3V for internal use
+3.3V for the X-Boards (TCPs)
102 October 2010 50PK950 Plasma