LG 50PK950 Training Manual page 85

Y - Drive Upper P109 Connector Diode Mode Testing
Y - Drive Upper P109 Connector Diode Mode Testing
Y-Drive
Upper
NOTE: Y
NOTE: Y
Floating Gnd
P109
Floating
Gnd
Checking the Y - Drive Board P109
Checking the Y - Drive Board P109
- SUS Disconnected from the Y
- SUS Disconnected from the Y
Readings from Floating Ground
Use the Screw just below P109 for Floating Gnd TP
RED LEAD
Blk Lead FG
19-20) FG5V
18) n/c
17) CLK
16) FGnd
15) STB
14) FGnd
13) OC2
12) FGnd
11) OC2
10) FGnd
09) Data
08) FGnd
07) Open
4-6) VPP
1-3) VSC
85 October 2010
- DRIVE
- DRIVE
BLACK LEAD
Red Lead FG
Open 0.39V
Open Open
2.83V 0.77V
FGnd FGnd
Open 0.77V
FGnd FGnd
2.83V 0.77V
FGnd FGnd
2.83V 0.77V
FGnd FGnd
2.83V 0.77V
FGnd FGnd
Open Open
Open 1.04V
Open 1.58V
Meter in the
Diode Mode
50PK950 Plasma