LG 50PK950 Training Manual page 67

Y - SUS Board P117 Connector to P109 Upper Y
Y - SUS Board P117 Connector to P109 Upper Y
TIP: The connectors between P117 to P109 and P118 to P209 do not come with a new Y-SUS or Y-Drive.
TIP: Use C325 Right leg to check the
Y-Scan signal if the Y-Drive boards are
removed
P109
FGnd
Y-Drive Upper
1-2) FG5V
03 n/c
04) CLK
P117
05) FGnd
06) STB
07) FGnd
08) OC2
09) FGnd
10) OC2
11) FGnd
12) Data
13) FGnd
14) n/c
15-20) Y-Scan
Y-SUS Board
- Drive (Scan and FG5V)
- Drive (Scan and FG5V)
FG5V measured from Pins 1 or 2
Use screw just below P117 on the Y-SUS
41.8VAC RMS "White"
52.5VAC RMS "Black"
From Floating Gnd
Y-Drive Connected 432~446V p/p
Y-Drive Removed 428V p/p
67 October 2010
To Floating Gnd
Chassis Gnd
150VAC RMS
P117 Pins 15~20
(4mSec per/div)
50PK950 Plasma