42LH60YR (CHASSIS:LP91S) - LG TV Service Manual (repair manual). Page 13

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* CASE
First adjust the coordinate far away from the target value(x, y).
1. x, y > target
i) Decrease the R, G. 
2. x, y < target
i) First decrease the B gain, 
ii) Decrease the one of the others.
3. x > target, y < target
i) First decrease B, so make y a little more than the target.
ii) Adjust x value by decreasing the R
4. x < target, y > target
i) First decrease B, so make x a little more than the target.
ii) Adjust x value by decreasing the G
(4) Standard color coordinate and temperature when using the
CA100+ or CA210 equipment
To check the Coordinates of White Balance, you have to
measure at the below conditions.
Picture Mode : User 1
Dynamic Contrast : Off
Dynamic Colour : Off
(If you miss the upper condition, the coordinates of W/B
can be lower than the spec.)
5.4. Intelligent Sensor Inspection Guide
Step 1. Turn on the TV set.
Step 2. Press “EYE” button on the Adjustment remote control.
Step 3. Block the Intelligent Sensor module on the front C/A
about 6 seconds.
When the “Sensor Data” is lower than 20, you can see
the “OK” message -> If it doesn’t show “OK” message,
the Sensor Module is defected one.
You have to replace that with a good one.
Step 4. After check the “OK” message come out, take out your
hand from the Sensor module. -> Check “Sensor
Data” value change from “0” to “300” or not. 
If it doesn’t change the value, the sensor is also
defected one. You have to replace it.
5.5. Blue-Tooth Inspection Guide
(1) Test Condition.
Must located another set in a state of DC ON (without
checking set) in closer distance(5M).
-On total assembly step, S/W deal with connection 
(between Set and another Set, other device that be
compatible with Bluetooth)
(2) Need device : same set in closer distance, adjustment
remote control
(3) Method
1) Push  “Power on key” on adjustment remote control.
change  “Bluetooth On” mode
2) Push “EXIT” key
3) Push ”B-TOOTH”(NEW) or “PIP”(OLD) key
4) Check “Searching OK” message
5) Push “Exit” key, finish check.
5.6. Checking the function of Local Dimming
using adjusts Remote control
- Dimming checking is doing in “Power Only” mode
- Enter the signal of component - Pattern: 7 (combination)
Time : 225 (1920 *1080)
- Push the button “Tilt”
- Checking the function of Dimming refer to the Picture at
below
- Push the button “Tilt” or “Exit” key
- 13 -
Coordinate 
Mode 
x y 
Temp uv∆
Cool 0.276±0.002 
0.283±0.002
11,000K  0.000
Medium 0.285±0.002 0.293±0.002
9,300K 
0.000
Warm 0.313±0.002 0.329±0.002
6,500K  0.003
Pattern 7 (combination)
Local Dimming Demo screen
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