LG 50PG20 Training Manual page 60

V Set Dn Too High Causing Shutdown
V Set Dn Too High Causing Shutdown
5V per Division
Peak
50V per Division
The above image is the Set Down signal
set for Normal operation at 100uSec
NOTE: If Vset DN too high, this set will go to
excessive bright, then shutdown.
To correct, remove the LVDS from Control PWB and
make necessary adjustments.
GOOD
Time
5V per Division
50V per Division
The above image is the Set Down signal
set to High (Approx. 120uSec) This is the
Shutdown Threshold level. Any higher,
the set will shut down.
Notice that the amplitude of the Set
Down (Bottom portion) peak begins to
decrease.
Plasma Spring 2009
60
NO GOOD
Time
Peak
50PG20