LG 42PW350 - Z-SUS SECTION; Z-SUS Board Operation and Testing; Z-SUS Operating Voltages

This Section of the Presentation will cover troubleshooting the Z-SUS Board Assembly.
Upon completion of this section the Technician will have a better understanding of the circuit and be
Z-SUS SECTION
Upon
completion
of
this
section
the
Technician
will
have
a
better
understanding
of
the
circuit
and
be
able to locate voltage and diode mode test points needed for troubleshooting and all alignments.
Note: The Z-SUS can run “Stand-Alone” in the 42T3 Panel Models.
• DC Voltage and Waveform Test Points
• Z BIAS Alignment
• Diode Mode Test Points
LOCATIONS:
OPERATIONAL VOLTAGES:
Power Supply Supplied VS
M5V
VA
Also Routed to Y-SUS Board.
Also Routed to the Y-SUS and to the Control Board.
Not used by the Z-SUS but Routed to the Z-SUB and
then to the Right X
-
Board
Y-SUS Supplied 18V
Developed on Z-SUS Z Bias
then
to
the
Right
X
-
Board
.
Routed through Control Board
June 2011 42PW350 Plasma
71