LG 50PC1DR Owners Manual - Page 27
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Y SUSTAIN P3 5v floating ground Supplies Logic signals to Y Drive Boards to sequentially scan the Horizontal Grid floating ground 64v Y SUS output 64v floating ground 18v IPM Measured at R61 Oscilloscope Waveform adjust test point Plasma Display Panel Troubleshooting - 2007 P2 27 P11 to Z SUS Board 5v VA VS Troubleshooting ER_IPM (IC201) P1 VA Ground VS P5 5v Ground VA, VS, and 5v all supplied from SMPS SUS_IPM (IC202) P6 Ground 5v to the Control Board P4 Logic signals input from the Control Board to Y SUS PS101 -VY Transformer coupled PS102 VSC Transformer coupled 5v and VA to X Drive Board
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27
Plasma Display Panel Troubleshooting - 2007
Y SUSTAIN
ER_IPM (IC201)
SUS_IPM (IC202)
floating ground
Y SUS output
floating ground
64v
64v
PS101
-VY
Transformer coupled
PS102
VSC
Transformer coupled
5v
VA
VS
P11
to Z SUS Board
P1
VA
Ground
VS
5v
floating ground
Supplies Logic signals to Y
Drive Boards to sequentially
scan the Horizontal Grid
P3
5v
Ground
P5
Ground
5v
to
the Control Board
P6
18v
IPM
Measured at
R61
P4
Logic signals
input
from the Control Board to Y SUS
P2
5v
and VA to X
Drive
Board
Oscilloscope
Waveform adjust
test point
VA, VS, and 5v
all supplied from
SMPS
Troubleshooting