I did the same as aliEnRIK, looking at the set it does have the following in the manual and these are the settings you need to calibrate.
Here is what you need:
Free software: Colorimetre HCFR
Patterns disk: Digital Video Essentials, Blu-ray ideally
Spyder TV or Eye-one sensor ( I have used both and they work fine, you need the software that goes with them for the Colorimetre HCFR to work, it needs the drivers.)
The final part is in the software set the Grey balance first to 6500k, the colour balance on most none pro TV's does not really do a lot.
Hope that helps.
Here is the bit of the manual you need:
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White Balance
You can adjust the colour temperature for more natural picture colours.
R, G, B-Offset: Fine tunes the white balance, or colour 'temperature' in dark areas by changing the individual values of R, G, B. Recommended for advanced users only.
R, G, B-Gain: Fine tunes the white balance, or colour 'temperature' in the light areas by changing the individual values of R, G, B. Recommended for advanced users only.