HDTV picture settings forum: LG 47LM7600 picture settings

by: katzmaier September 14, 2012 9:45 AM PDT

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LG 47LM7600 picture settings

by katzmaier CNET staff - 9/14/12 9:45 AM

Review:
http://reviews.cnet.com/flat-panel-tvs/lg-47lm7600/4505-6482_7-35117974.html

Related products:
LG 55LM7600

Calibration report using these settings:
http://www.scribd.com/doc/105928203/LG-47LM7600-CNET-review-calibration-results

TV software/firmware version tested: 04.02.85

Below you'll find the settings I found best for viewing the LG 47LM7600 in a dim room via the HDMI input. Your settings may vary depending on source, room conditions, and personal preference. Check out the Picture settings and calibration FAQ for more information.
http://news.cnet.com/8301-17938_105-9996461-1.html

Calibration notes: Much like the LM6700, the LM7600's most accurate setting was Cinema prior to calibration, but that's not saying much. It was quite dark at about 24 Fl and very minus-blue. I took advantage of the Expert settings for my calibration, boosting light output to my standard 40Fl. Among the three local dimming settings I settled on High because it improved black levels significantly compared to Off.

My calibration of this TV was a bit more successful.than it was for the LM7600. LG's color management system was still less than ideal, plagued in particular by shifting luminance at the reference 75 IRE level and in green, but overall it improved color quite a bit.

Grayscale calibration was more problematic. Adjusting just the two-point system, the high and low settings interacted to such a degree that they basically just behaved like one control--an issue I also saw on the LM6700. The twenty-point system was broken too. In all but the darkest sections of the scale (15, 10 and 5 IRE) I had to crank the controls way up or way down to achieve a measurable change, some controls at some levels seemed simply ineffective and again there was too much interaction from one level to the next. That said I was able to salvage the lower end of the scale using those three controls. I ended up with a decent grayscale, although it was still pretty uneven, and still minus-blue at the top end.

Picture menu:
Energy Saving: Off
Picture Mode: Expert [1 or 2]
Backlight: 57
Contrast: 80
Brightness: 50
H Sharpness: 0
V Sharpness: 0
Color: 50
Tint: 0
Aspect Ratio: Just Scan

--Expert control menu--
Dynamic contrast: Off
Super Resolution: Off
Color Gamut: BT709
Edge Enhancer: Off
xvYCC: Off [grayed out]
Color Filter: Off
Expert Pattern: Off [grayed out]
Gamma: 2.2

--White Balance submenu--
Color Temperature: Warm
Method: 2-points [also adjust 20-point; see below]
Pattern: Outer
Points: [High]
Red: 20
Green: 20
Blue: 0
Points: [Low]
Red: 0
Green: 0
Blue: 38

Method: 2-points
[IRE 20 and higher: no adjustment]
15 IRE: Red 7, Green 2, Blue -10
10 IRE: Red 10, Green 10, Blue -6
5 IRE: Red 0, Green 0, Blue -30

--Color management system submenu--
Red: [Saturation -6. Tint 5, Luminance 17]
Green: [Saturation -10. Tint 8, Luminance 4]
Blue: [Saturation 8, Tint 0, Luminance 5]
Cyan: [Saturation 0. Tint 5, Luminance 5]
Magenta: [Saturation 0. Tint -1, Luminance 4]
Yellow: [Saturation -10. Tint 1, Luminance -2]

--Picture Option menu--
Noise reduction: Off
MPEG Noise Reduction: Off
Black Level: Low
Real Cinema: On
Eye Care: Off [grayed out]
LED Local Dimming: High
TruMotion: Off

Note: This post was edited by its original author added link to calibration report on 09/14/2012 at 9:51 AM PT

Note: This post was edited by its original author replaced broken Bit.ly URL under Calibration report to full scribd URL on 09/25/2012 at 7:20 AM PT

Note: This post was edited by its original author Corrected explanation and transposed settings in 2-point calibration; 2 point now correct on 09/26/2012 at 6:40 AM PT

Note: This post was edited by its original author corrected typo in Color management system section on 10/09/2012 at 9:11 AM PT

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