LG 50PK950 Training Manual page 86

Y - Drive Lower Board P209 Connector to P118 Y
Y - Drive Lower Board P209 Connector to P118 Y
FG5V measured from Pins 19 or 20
To Floating Gnd
Use screw just above P209 on the Y-Drive
41.8VAC RMS "White"
52.5VAC RMS "Black"
Chassis Gnd
150VAC RMS
From Floating Gnd
P209 Pins 1~6 is the Y-Scan Signal
into the Y-Drive Lower.
(4mSec per/div)
Y-Drive Connected 432~446V p/p
- SUS (Scan and FG5V)
- SUS (Scan and FG5V)
TIP: Use C325 Right leg to check the
Y-Scan signal if the Y-Drive boards are removed
P209
FGnd
Y-Drive Lower
86 October 2010
P118
1-6) Y-Scan
07) n/c
08) FGnd
09) Data
10) FGnd
11) OC2
12) FGnd
13) OC1
14) FGnd
15) STB
16) FGnd
17) CLK
18) n/c
19-20) FG5V
Y-SUS Board
50PK950 Plasma