31
November 2009 50PQ30 Plasma
ADJUSTMENT ORDER “IMPORTANT”
DC VOLTAGE ADJUSTMENTS
1) POWER SUPPLY: Va Vs
(Always do first)
2) Y-SUS: Adjust –Vy, Vscan,
3) Z-SUS: Adjust Z-Bias (VZB)
WAVEFORM ADJUSTMENTS
1) Y-SUS: Set-Up, Set-Down
Adjustment Notice
Adjustment Notice
It is critical that the DC Voltage adjustments be checked when;
1)
SMPS, Y-SUS or Z-SUS board is replaced.
2)
Panel is replaced, Check Va/Vs since the SMPS does not come with new panel
3)
A Picture issue is encountered
4)
As a general rule of thumb when ever the back is removed
Remember, the Voltage Label MUST be followed,
it is specific to the panel’s needs.
All label references are from a specific panel.
They are not the same for every panel encountered.
-VY
Z_BIAS
Panel
“Rear View”
Manufacturer
Bar Code
Set-
Up
Ve
Vscan
The Waveform adjustment is only necessary
1) When the Y-SUS board is replaced
2) When a “Mal-Discharge” problem is encountered
3) When an abnormal picture issues is encountered
All adjustments (DC or Waveform) are adjusted in WHITE WASH.
Customer’s Menu, Select “Options”, select “ISM” select “WHITE WASH”.
