32LB9D (CHASSIS:LT73A) - LG TV Service Manual (repair manual). Page 15

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One of R Gain / G Gain / B Gain should be kept on 80, and
others  are controlled lowering from 80 

1) Press 'power on' of  the control R/C, set heat run to white by

pressing G, and heat run over 15 minutes 

(Set: RS-233 Host: PC, Baud Rate: 115200bps, Download:

Cortez).

2) Zero Calibrate CA-210, and when controlling, stick the sensor

to the center of LCD module surface.

3) Double click In-start key on Controlling R/C and get in ‘white

balance’.

4) Set test-pattern on and display inside pattern. Control is

carried out on three color temperature, COOL, MEDIUM,
WARM. (Control is carried out three times,)

5) When the R/G/B GAIN is 80 on OSD, it is the FULL DYNAMIC

Range of the Module. In order to control white balance without
the saturation of FULL DYNAMIC Range and DATA, one of R
Gain / G Gain / B Gain should be kept on 80, and other two is
controlled lowering from 80.

1. When R GAIN is set to 80

- Control G GAIN and B GAIN by lowering from 80. 

2. When B GAIN is set to 80

- Control R GAIN and G GAIN by lowering from 80.

3. When G GAIN is set to 80

- Control R GAIN and B GAIN by lowering from 80.

One of R Gain / G Gain / B Gain should be kept on 80, and
adjust other two lower than 80.
(When R/G/B GAIN are all 80, it is the FULL DYNAMIC

Range of Module)