LG 42PW350 - P106 Y-Drive to Y-SUS P211 Y-Drive Logic Signals Explained

P106 Y-Drive to Y-SUS P211 Y-Drive Logic Signals Explained
The purpose of the Logic Signals sent to the Y-Drive board are to address a specific gate out of the 8
Gate arra
y
s
(
Buffers
)
to allow the out
p
ut of the Y-Drive si
g
nal. The Panel is scanned from the To
p
(
Gate
Pin
Label
Pins 7~11
P211 Connector
y( ) p
gp(
1) to the Bottom (Gate 1080) every frame.
Pin
Label
11~12 VSC (Y-Scan)
9~10 VPP
8
n/c
c
8
n/c
7 SUS_DN (FG)
6CLK
5STB
(4mSec per/div)
These signals look very similar
P211
4OC1
3DATA
2OC2
These
signals
look
very
similar
due to the fact they are read from Chassis Gnd,
but they are actually Floating Ground related.
DO NOT hook scope Gnd to Floating Gnd TP
without an Isolation Transformer.
1 SUS_DN (FG)
All logic pins about (420V p/p)
Pins 1~7 are Lo
g
ic
(
Drive
)
Si
g
nals to the Y-Drive Upper.
Y-Drive
Board
Y-SUS
Board
P106
c
June 2011 42PW350 Plasma
108
g( )g