LG 50PK950 Training Manual page 60

VSC and - VY Adjustments
VSC and - VY Adjustments
These are DC level Voltage Adjustments
Set should run for 10 minutes, this is the "Heat Run" mode.
Set screen to "White Wash".
1) Adjust –Vy to Panel's Label voltage (+/- 1/2V)
2) Adjust VSC to Panel's Label voltage (+/- 1/2V)
Location: Top Left of the board
R324
VSC TP
-
+
Both voltages
read positive
CAUTION: Use the actual panel label and not the book for exact voltage settings.
R334
-Vy TP
-
+
VR301
VSC Adj
Model : PDP 50R1###
Voltage Setting: 5V/ Va:60/ Vs:203
N.A. / -190 / 150 / N.A. / 115
Max Watt : 450 W (Full White)
Location: Bottom Center of board
Just above Transformer
60 October 2010
This is just for example
-Vy VSC
VR302
-Vy Adj
50PK950 Plasma