Sony KD-43X7 G Series Service Manual page 129

4.11A White Balance Adjustment
2) Start WB adjustment by changing R/G/B Gain & Offset register
Remark#1
Whenever these R/G/B Gain & R/G/B Offset values have been set, these values will be applied common to all
Picture Mode (Vivid, Standard, Custom) & Color Temperature (Cool, Neutral, Warm, Expert1, Expert2).
After operation is completed, just exit the Service Menu page.
Remark#2
To set these R/G/B Gain & R/G/B Offset values to default, kindly toggle each component to "512".
R/G/B Gain setting around High luminance Adjustment
(Default Value 512; Range: 0 ~ 1023)
R/G/B Offset setting around Low luminance Adjustment
(Default Value 512; Range: 0 ~ 1023)
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