LG 42PW350 - Adjustment Notice; DC Voltage Adjustment Order

Adjustment Notice
C
All adjustments (DC or Waveform) are adjusted in WHITE WASH.
Customer’s Menu, Select “Options”, select “ISM” select “WHITE WASH”.
It is critical that the D
C
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
ADJUSTMENT ORDER “IMPORTANT”
CO G S S
3)
A
Picture
issue
is
encountered
4) As a general rule of thumb when ever the back is removed
D
C
V
O
LTA
G
E ADJU
S
TMENT
S
1) POWER SUPPLY: VS, VA (Always do first)
2) Y-SUS: Adjust –Vy, VSC
3)
Z
-
SUS: Adjust Z
-
Bias (VZB)
Remember, the Voltage Label MUST be followed,
3)
Z
-
SUS:
Adjust
Z
-
Bias
(VZB)
WAVEFORM ADJUSTMENTS
1) Y-SUS: Set-Up, Set-Down
it is specific to the panel’s needs.
Power Supply
All label references are from a specific panel
Panel
“Rear View”
The Waveform adjustment is only necessary
1) When the Y-SUS board is replaced
2) When a “Mal-Discharge” problem is
encountered
Set-Up
Ve
-Vy Vsc
ZBias
June 2011 42PW350 Plasma
59
All
label
references
are
from
a
specific
panel
.
They are not the same for every panel encountered.
3) When an abnormal picture issues is
encountered