32LG700H (CHASSIS:LA80A) - LG TV Service Manual (repair manual). Page 13

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(3) Data of EDID

1) DDC data of Analog-RGB

2) DDC data of Digital-HDMI 1

3) DDC data of Digital-HDMI 21

* Before adjustment of white balance, should be executed

the “color balance adjustment”.

1) Remote controller for adjustment 
2) Color Analyzer ( CA-210 or same product )
3) Auto W/B adjustment instrument(only for Auto adjustment)
4) Use inner(SELF) Pattern 

* When adjust White Balance automatically *

- Through the power only key on the R/C, operate the auto

adjustment

- Setting the Baud Rate : 115200

- Wb 00 00   white balance auto adjustment start
- Wb 00 10   gain adjustment start (inner pattern)
- Ja 00 ff   adjustment data
- Jb 00 c0
- ···¶
- Wb 00 1f   gain adjustment finish
- * If occurs abnormal case, adjust the offset.(wb 00 20(start),

wb 00 2f(finish))

- Wb 00 ff   white balance auto adjustment finish(disappearance

the inner pattern)

* Caution) Adjustment Map

Set TV input to RF.
Operate the zero-calibration of the CA-210, Ch.9. 
Then stick sensor to LCD module surface when you adjust. 
For manual adjustment, it is also possible by the following
sequence.

(1) Select white pattern of heat-run mode by pressing power

on key on remote control for adjustment then operate heat
run more than 5 minutes. 

(2) Enter the White Balance adjustment mode by pressing the

ADJ key (5. White Balance) on R/C.

(3) Stick sensor to center of the screen and select each items

using 

F

/

G

(CH +/-) key on R/C.

(4) Adjust G Gain / B Gain using 

D

/

E

(VOL +/-) key on R/C.

(5) Adjust it until color coordination becomes as below. 

By controlling G, B GAIN, adjust X, Y target value. 
R Gain fixed at cool, normal, warm mode.
But, Control the R GAIN, unless it has correct value

(Initially, R/G/B gain and R/G/B offset values are fixed as below.)
Red Gain: 192

Green Gain:  192

Blue Gain: 192

Red Offset: 64

Green Offset: 64

Blue Offset: 64 

RS-232C COMMAND

MIN

CENTER

Max

[CMD ID DATA]

(DEFAULT)

Cool

Medium Warm

Cool

Medium Warm

R Gain

jg

ja

jd

00

184

192

192

192

G Gain

jh

jb

je

00

187

183

159

192

B Gain

ji

jc

jf

00

192

161

95

192

R Cut

64

64

64

127

G Cut

64

64

64

127

B Cut

64

64

64

127

RS-232C COMMAND

Meaning

[CMD    ID      DATA]

wb

00

00

White Balance adjustment start.

wb

00

10

Gain adjustment star (Inner white pattern)

wb

00

1f

Gain adjustment finish.

wb

00

20

Offset adjustment start (Inner white pattern)

wb

00

2f

Offset adjustment finish

wb

00

ff

White Balance adjustment finish(disappearance inner pattern)