LG 50PC1DR - - 50" Plasma TV Troubleshooting Manual page 21

Y sustain board
Control Board supplies Logic Signals to the Y Sustain Board for processing, which then develops the
signal to drive both of the Y Drive Boards sequentially with the Y Output Waveform for PDP operation.
Y Output Waveform
Y
Plasma Display Panel Troubleshooting - 2007
Logic signals from
Control Board
< Probe connect point to Oscilloscope to check Y Drive output wave form to
V
s
21
Troubleshooting
the Y Driver Boards >