LG 50PQ30 Training Manual page 72

Lower Y - Drive P205 Diode Mode Testing
Lower Y - Drive P205 Diode Mode Testing
Checking the Lower Y
Checking the Lower Y
NOTE: Disconnected from the Y
NOTE: Disconnected from the Y
All Readings from Floating Ground (Pin 1 or 7)
Y-Drive Sig
12) V Scan
Y-Drive Sig
11) V Scan
10) n/c
9) 5V VF
8) 5V VF
7) Ground (F)
Floating Gnd
6) CLK
5) STB
4) OC1
3) DATA
2) OC2
Floating Gnd
1) Ground (F)
- Drive Board P205
- Drive Board P205
RED LEAD
Blk Lead FG
Open
Open
Open
Open
Open
0V
Open
Open
Open
Open
Open
Open
Meter in the Diode Mode
TIP: This test will check "All"
scan buffers Low Voltage input
side on the Y-Drive lower board.
- SUS board
- SUS board
BLACK LEAD
Red Lead FG
1.0V
1.0V
Open
0.425V
0.425V
0V
0.538V
0.538V
0.538V
Open
0.521V
0V
72 November 2009 50PQ30 Plasma
P205 of the
Y-DRIVE Lower Y-SUS Board
FL201
P205
P207
Y-SUS Board should be
disconnected for this test.
P207 of the
C213