26LG300C (CHASSIS:LD85A) - LG TV Service Manual (repair manual). Page 12

- Check Input and Signal items. (cf. work instructions) 

1) TV
2) AV (SCART1/SCART2/S-VHS/CVBS)
3) COMPONENT (480i)
4) RGB (PC : 1024 x 768 @ 60hz)
5) HDMI 1,2
6) PC Audio In
7) RJP
8) LED Clock (check with Real time clock)
9) Alarm Clock
10) Ext Speaker (1W/MONO)
11) Ext 5V/1A or 12V/1A (is different as to BOM option)
* Display and Sound check is executed by Remote

control.

1) Set the power supply switch as shown in the below picture.
2) Turn only the #5 switch on (Up position)
3) Use the RJ-45 cable to connect the TV and JIG.

4) Enter the IN-START mode, and select “RJP Pin Check”.
5) The check result is displayed after 1~2 seconds.

(1) W/B Equipment condition

CA210: CH 9, Test signal: Inner pattern (85IRE)

(2) Above 5 minutes H/run in the inner pattern. (“power on”

key of adjust remote control) 

(3) 15  Pin D-Sub Jack is connected to the AUTO W/B

EQUIPMENT.

(4) Adjust Process will start by execute I2C Command (Inner

pattern (0xF3, 0xFF).

(5) Adjust Process will finish by execute I2C Command (Inner
pattern (Inner pattern (0xF3,0x00)).

** Caution ** 
Color Temperature: COOL, Medium, Warm
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and
adjust other two lower than C0.
(when R/G/B Gain are all C0, it is the FULL Dynamic Range
of Module)

* Manual W/B process using adjusts Remote control. 
After enter Service Mode by pushing “ADJ” key, enter White
Pattern off of service mode, and change off -> on.
Enter “W/B ADJUST” by pushing “

G

” key at “3.W/B ADJUST”. 

* After done all adjustments, Press “In-start” button and

compare Tool option and Area option value with its BOM, if it
is correctly same then unplug the AC cable.
If it is not same, then correct it same with BOM and unplug
AC cable.
For correct it to the model’s module from factory JIG model.

* Don’t push The “IN STOP KEY” after completing the function

inspection.

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Color

Cool

11,000

ºK X=0.276(±0.002)

<Test Signal>

Temperature

Y=0.283(±0.002)

Inner pattern

Medium 9,300

ºK X=0.285(±0.002)

(216Gray,85IRE)

Y=0.293(±0.002)

Warm

6,500

ºK X=0.313(±0.002)

Y=0.329(±0.002)