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14. Adjusting the Actuator
- Initial Data : ACT Gain=90(60Hz) ACT Gain=60(50Hz)
14-1. Required Test Equipment
: Service Remote Control
14-2. Preparation for Adjustment
(1) Connect a power source to the TV Set and turn TV set on.
(2) Using the Service Remote Control, enter from ADJ to
Actuator(Actuator on). And set the frequency to 50. And
adjust ACT Gain to be unified cross stripes of horizontal
line of R, G, B, Y, C, W.
(3) Using the Service Remote Control, enter from ADJ to
Actuator(Actuator on). And set the frequency to 60. And
adjust ACT Gain to be unified cross stripes of horizontal
line of R, G, B, Y, C, W.
But, when all of them are not unified, adjust the Y and C
colors matched point.
Before Actuator Adjustment
<Fig. 32> Test Pattern
15. CWI Adjustment
(Base value --> CWI: 140)
15-1. Required Test Equipment
Service Remote control for Adjustment
15-2. Preparation for Adjustment
(1) Connect power and turn the TV set on.
(2) Press Adjust button on adjust remote control.
(3) Using the volume button, Select "CWI Adjustment" and
Press OK button.
(4) It is displayed as <Fig.33>.
After Actuator Adjustment
(COLOR WHEEL)
140 G
F
140 G
F
<Fig. 33> TEST Pattern(Lamp Gray Pattern)
15-3. Adjustment
(1) Using the Volume button, adjust CWI-Pat.1 to the left/right.
(2) During adjustment, check the appearance of noise in the
TEST Pattern.
* The average value of unified point of color purity of bottom
side on RED Pattern and Green color's disappearing point
in RAMP Pattern and is same as GREEN disappearing
value -4 on RAMP Pattern.
(3) Using CH UP/DOWN button of the Remote Control, enter
the RED PATTERN.
(4) Check the appearance of Vertical Bar in RED Ramp
Pattern. If appears Vertical Bar, adjust 2~3-step to verify it
is uniform in general.
16. White Balance Adjustment
(CCA Adjustment : Color Correction Algorithm)
16-1. Required Test Equipment
: Display Color Analyzer(CA-210), RS-232C cable, Control PC
16-2. Preparation for Adjustment
(1) Install the equipment(CA-210) be 5cm away from screen
center.
(2) RS-232C cable is connected from Control PC in the SET.
(3) Start measurement after Heat run enough.
(4) Adjustment is started at Daylight Mode.
- 18 -
Starting point of noise
(appearance GREEN)
Check the RED Pattern
to verify it is uniform.
<Fig. 34> TEST Pattern
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