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9. COMPONENT Offset/Gain
Adjustment
(1) Select the '75% Color bar pattern(No. 67)' of <Fig. 9> as
the pattern of Pattern Generator.
(Resolution: component 720p)
<Fig. 9> 75% Color Bar
(2) Select ADJ -> 3. Component Gain/Offset ->
(Vol+) at the adjustment remote controller.
(The actual adjustment is automatically performed by the
system Micom.)
10. CWI/White Balance Measurement
Condition
(1) CWI and White Balance is adjusted using the measurement of
color coordinate. So periodically adjust within time set and you
should provide the replacement equipment to use the
correction.
(2) Adjust the screen size to a minimum of 40 inches.
(3) Place the CL-200 on the center of projection screen.
(4) Make the measurement condition under 1Lux for CL-200
to measure the correct color coordinate.
11. CWI Adjustment
11-1. Setting of the Device
Set the equipment as <Fig. 10>.
<Fig. 10> Device Setting Diagram for CWI Adjustment
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
A
(Enter) ->
Illuminometer
Equipment to monitor Lx,X,Y data
Set
Set fixing device
11-2. Required Test Equipment
(1) Illuminometer (Model : CL-200) 1EA : Chromaticity
measurement from projection screen center.
(2) Set fixing device 1EA
(3) Remote control 1EA
11-3. Preparation for Adjustment
(1) Connect the power cord and turn the set on, then connect
PC or Pattern to PC input.
(2) Select Adjust -> CWI ->
adjustment remote controller. (Default value : 350)
(3) After entering into the CWI, press
adjustment remote controller to switch to the Full Red
screen as shown at <Fig. 11>. At this time, read X and Y
values at the center, the color coordinates of the
illuminometer.
Colow wheel index
CWI = 350
G
<Fig. 11> Full RED Pattern
11-4. Adjustment
(1) Adjust CWI to the left/right value by using the volume
buttons at the first adjustment value is preset to 350.
(2) Illuminometer color coordinates is changed when pressing
volume button.
(3) X coordinates usually get maximum value at
X=0.630±0.02 and Y coordinates usually get minimum
value at Y=0.350±0.02. Adjust this value by pressing
volume button on the remote control. Average value is 350.
(4) Check the red pattern whether it is entirely uniform.
When there is no problem after checking, press 'EXIT' key
at the adjustment remote controller to exit.
- 11 -
A
A
(Enter) ->
(Enter) at the
A
ENTER key at the
LGE Internal Use Only
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