LG 62SX4D-UB Service Manual page 21

Before Actuator Adjustment
<Fig. 16> Test Pattern
17. CWI/NDC Adjustment
(Base value --> CWI: 170, NDC: 12)
17-1. Required Test Equipment
Remote control for Adjustment
17-2. Preparation for Adjustment
(1) Connect power and turn the TV set on.
(2) Using the Remote Control, enter from ADJUST on the
Service Remote to CWI/NDC.
<Fig. 17> TEST Pattern(Lamp Gray Pattern)
17-3. Adjustment
(1) Using the Channel key, adjust CWI-Pat.1 to the left/right.
(2) As adjustment, check the appearance of noise in the
TEST Pattern.
Setting the value reduced 3~4 step at a GREEN noise
disappearing spot.
(3) Using CH UP/DOWN key of the Remote Control, enter the
RED PATTERN.
(4) Check the RED Pattern to uniform.
ADJUSTMENT INSTRUCTIONS
After Actuator Adjustment
Starting point of noise
(appearance GREEN)
<Fig. 18> TEST Pattern(RED Pattern)
17-4. NDC Adjustment
For compensation deviation of each Lamp uses NDC Mode.
Sees the Pattern and adjust left/right value using Channel
Key on the Remote Control for Adjustment to be uniform color
of White. (Lamp life compensation)
As temperature is different sensitivity, change angle of the
color wheel. At this time, the adjustment is done because the
color may be changed.
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<Fig. 19> TEST Pattern