LG 50PG20 Training Manual page 82

Z - SUS PWB Understanding
Z - SUS PWB Understanding
Input Voltages from the SMPS Board
Input Voltages from the SMPS Board
VS
VS is input at P3 pins 1 and 2 and supplied to the driver IC circuit.
VA
VA is not used on the Z-SUS PWB.
M5V
5V in input P3 pins 9 and 10. It is used to Bias the circuits on the Z_ SUS Board.
Input Voltages from the Control Board
Input Voltages from the Control Board
16V
16V enters Pins 1 and 2 of P2 connector. Used in the
amplification of Z drive waveform.
Voltages Developed on the Z
Voltages Developed on the Z
Z Bias
Z Bias Voltage is used to Bias the output circuits driving the Sustain and Erase
Pulses, removing previous images from the PDP. Z-bias is measured from the
Vzb TP on the Z -SUS Board and adjusted by VZB Adj.
SUS Board
SUS Board
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Plasma Spring 2009 50PG20