LG 50PQ30 Training Manual page 69

Upper Y - Drive Upper P109 Diode Mode Testing
Upper Y - Drive Upper P109 Diode Mode Testing
Checking the Upper Y Checking the Upper Y
NOTE: Disconnected from the Y
NOTE: Disconnected from the Y
All Readings from Floating Ground (Pin 1~3, 6 or 12)
12) Ground (F)
Floating Gnd
11) OC2
10) DATA
9) OC1
8) STB
Floating Gnd 7) CLK
6) Ground (F)
5) 5V VF
4) 5V VF
Floating Gnd
3) Ground (F)
Floating Gnd
2) Ground (F)
Floating Gnd
1) Ground (F)
Meter in the Diode Mode
- - Drive BOARD P109 Drive BOARD P109
- SUS Board
- SUS Board
BLACK LEAD
RED LEAD
Red Lead FG
Blk Lead FG
0V
Open
Open
Open
Open
Open
0V
1.94V
1.94V
0V
0V
0V
scan buffers Low Voltage input
side on the Y-Drive Upper board.
Y-Drive
0V
0.52V
0.67V
0.54V
0.54V
0.54V
0V
FL101
0.43V
0.43V
0V
0V
0V
69 November 2009 50PQ30 Plasma
TIP: This test will check "All"
Upper Y-SUS
Board Board
P109
P209
Y-SUS Board should be
disconnected for this test.