32LB9D (CHASSIS:LB73B) - LG TV Service Manual (repair manual). Page 11

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(1) Color analyzer : CA-210(CH 9)

- When you adjust LCD color temperature, on color

analyzer (CA-210), you should use Channel 9 which is
Matrix compensated (White, Red, Green, Blue revised)
by CS-1000 and adjust in accordance with White balance
adjustment coordinate which is specified on the next.

(2) Automatic adjustor (with automatic adjustment hour

necessity and the RS-232C communication being possible.
Baud Rate = 115200)

(3) Video Signal Generator MSPG-925F 720p, 216 Gray

(Model : 217, Pattern : 78)

(Automatic Adjustment)

Basically it uses the internal pattern but when internal pattern
is not possible, you can select HDMI input for adjustment.
Through the option at the most bottom part of the Ez Adjust
Menu 5.White Balance menu, you can select NONE, INNER,
HDMI, and the default is set to INNER. When the adjustment
cannot be done with the internal pattern, you can select HDMI
input for adjustment.

For manual adjustment, press the ADJ KEY of the adjustment
R/C to enter Ez Adjust 6.White-Balance, and the pattern is
automatically displayed. (When you set the Option to INNER,
the default is always set to INNER)

1) Connect the set according to the internal pattern or HDMI

input in accordance with 5.2 measuring device connection
diagram. 

2) Set the Baud Rate of RS-232C to 115200. It is set to

115200 as default.

3) Connect the RS-232C Cable to the set.

4) Connect the HDMI Cable to the set. (Limited to the set with

HDMI option)

5) Select and adjust the model applicable to LB73B chassis

from the adjuster.

Caution) When you adjust automatically, RS-232C Command

is used.

Caution) Adjustment map

* White Balance adjustment (For automatic adjustment)

- Execute Power Only Key of the adjustment R/C to execute

automatic adjustment. Set the Baud Rate to 115200.

- Always start adjustment with “wb 00 00” and end
adjustment with “wb 00 ff”
- Adjust the offset if necessary.

R Gain

G Gain

B Gain

R Cut

G Cut

B Cut

CENTER

(DEFAULT)(Hex)

00

00

00

192

192

192

127

127

127

Min

Max

192

192

192

64

64

64

Cool

192

192

192

64

64

64

Mid

192

192

192

64

64

64

Warm

RS-232C COMMAND

[CMD ID DATA]

jg

jh

ji

Cool

ja

jb

jc

Mid

jd

je

jf

Warm

Color Analyzer

F u l l W h i t e P at t er n

R S-232C

(Inner Pattern)

<Fig. 3> Connection diagram for internal pattern

<Fig. 4> Connection diagram for HDMI input

Remark

RS-232C Command

[CMD  ID  DATA]

wb

wb

wb

wb

wb

wb

00

00

00

00

00

00

00

10

1f

20

2f

ff

Start white balance adjustment

End Gain adjustment

End Offset adjustment