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Preliminary Information 42PQ30
CONTROL BOARD SECTION
CONTROL BOARD SECTION
• DC Voltage and Waveform Test Points
• Resistance Test Points
Signals
Signals
Y SUS Supplied +5V (Also Routed to the Z-SUS)
+15V (Routed to the Z-SUS)
Developed on the +1.8V
Control board
(2) +3.3V
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 voltage
and resistance test points needed for troubleshooting.
Main Board Supplied LVDS Signal
Operating Voltages
Operating Voltages
Control Board Generated Y and Z Sustain Drive Signals (Luminance)
X Board Drive Signals (Color)
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