Samsung LE40N87BDX Service Manual page 65

3 Alignments and Adjustments
d) Adjust the high light. (Refer to table 1, 2 in adjustment position by mode)
- Adjust red gain ('x') and blue gain ('y') to the color coordinates.
* Do not adjust the green gain and sub-contrast (Y) data.
3-14
Picture 4-3 Flat W/B Pattern
High light
Measurement point