47LN549E, 47LP620H (CHASSIS:LB3AZ) - LG TV Service Manual (repair manual). Page 11

- 11 -

*  Connecting picture of the measuring instrument

(On Automatic control)

Inside PATTERN is used when W/B is controlled. Connect to 

auto controller or push Adjustment R/C P-ONLY → Enter the 

mode of White-Balance, the pattern will come out.

(1)  Adjust in the place where the influx of light like floodlight 

around is blocked. (illumination is less than 10 lux).

(2)  Adhere closely the Color analyzer(CA210) to the module 

less than 10 cm distance, keep it with the surface of the 

Module and Color analyzer's prove vertically.(80° ~ 100°).

(3) Aging time

-  After aging start, keep the power on (no suspension of 

power supply) and heat-run over 5 minutes.

-  Using 'no signal' or 'POWER ONLY' or the others, check 

the back light on.

▪ Auto adjustment Map(using RS-232C to USB cable)

RS-232C COMMAND

[CMD  ID  DATA]

  Wb 

00  00 

White Balance Start

  Wb 

00  ff 

White Balance End

<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)

▪ After enter Service Mode by pushing "ADJ" key,

▪  Enter  White  Balance  by  pushing  "►"  key  at  "7.  White 

Balance". 

*  After you finished all adjustments, Press  "In-start" key 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.

*  Push  the  "IN  STOP"  key  after  completing  the  function 

inspection.

■ Connect D-sub Signal Cable to D-Sub Jack.

■  Write  EDID  DATA  to  EEPROM(24C02)  by  using  DDC2B 

protocol.

■ Check whether written EDID data is correct or not.

*  For Service main Assembly, EDID have to be downloaded to 

Insert Process in advance.

■ Connect HDMI Signal Cable to HDMI Jack.

■  Write  EDID  DATA  to  EEPROM(24C02)  by  using  DDC2B 

protocol.

■ Check whether written EDID data is correct or not.

*  For Service main Assembly, EDID have to be downloaded to 

Insert Process in advance.

(1) All Data : HEXA Value

(2) Changeable Data :

    *: Serial No : Controlled / Data:01

    **: Month : Controlled / Data:00

    ***: Year : Controlled

    ****: Check sum

■ After enter Service Mode by pushing “ADJ” key,

■ Enter EDID D/L mode.

■ Enter “START” by pushing “OK” key. 

* Caution :  Never  connect  HDMI  &  D-sub  Cable  when  EDID 

downloaded.

Full White Pattern

CA-210

COLOR

ANALYZER

TYPE : CA-210

RS-232C Communication

RS-232C COMMAND

[CMD ID DATA]

MIN

CENTER

(DEFAULT)

MAX

Cool

Mid

Warm

Cool Mid Warm

R Gain jg

Ja

jd

00

172

192 192

192

G Gain jh

Jb

je

00

172

192 192

192

B Gain ji

Jc

jf

00

192

192 172

192

R Cut

64

64

64

128

G Cut

64

64

64

128

B Cut

64

64

64

128

EZ ADJUST

0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Tool Option Commercial
6. Country Group
7. Area Option
8. ADC Calibration

9. White Balance

10. 10 Point WB
11. Test Pattern
12 EDID D/L
13. Sub B/C
14. Ext. Input Adjust

Whit Balance

Color Temp. 

◄

 

►

R-Gain
G-Gain
B-Gain
R-Cut
G-Cut
B-Cut
Test-Pattern
Backlight
Reset 

      To Set

Cool

172
192
192

64
64
64

ON

100

EZ ADJUST

0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Tool Option Commercial
6. Country Group
7. Area Option
8. ADC Calibration
9. White Balance
10. 10 Point WB
11. Test Pattern

12. EDID D/L 

 

►

13. Sub B/C
14. Ext. Input Adjust

EDID

  HDMI1 

NG

  HDMI2 

NG

  HDMI3 

NG

  RGB 

NG

Start

Reset

EDID

  HDMI1 

OK

  HDMI2 

OK

  HDMI3 

OK

  RGB 

OK

Start

Reset