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HDTV picture settings forum: Sharp LC-LE745U picture settings

by: katzmaier May 21, 2012 1:18 PM PDT

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Sharp LC-LE745U picture settings

by katzmaier CNET staff - 5/21/12 1:18 PM

Review:
http://reviews.cnet.com/flat-panel-tvs/sharp-quattron-lc-60le745u/4505-6482_7-35118028.html

Related products:
Sharp LC-70LE745U

Calibration report using these settings:
http://scr.bi/LAiuRx

Below you'll find the settings I found best for viewing the Sharp LC-60LE745U 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: The Movie mode delivered the best presets but its grayscale was too bluish. While I was able to correct the grayscale to a large extent using the 2-p[oint system, the more advanced controls, namely the color management system and the 10-point grayscale, didn't function well enough to use to improve the image further.

When I first set it up using test patterns, the color management system seemed to work beautifully aside from one major flaw: a blue test pattern caused the TV to dim, making accurate measurement of blue impossible. The TV brightened enough for an accurate reading when fed a higher stimulus than the standard 75%, but it wasn't consistent so I ended up not tweaking blue at all, despite its poor readings and results on my charts.

However, once I exited the calibration process and looked at program material, it was clear the dimming in blue wasn't the only issue. The image looked overly saturated and too red/blue despite solid readings on my charts. Long story short, I decided to zero out all of the CMS controls and ignore it for this review/calibration. Note that the CMS controls on the 640U worked fine.

Trying out the 10-point grayscale system, I noticed large light output difference when menu was up, making it tedious, and adjusting one "position" (IRE point) mode affected another quite a bit. I also found myself having to increase the backlight control to keep light output consistent during the course of adjustment. Those issues made the small gains of using the 10-point system not worth it, but on the plus side my results using the standard 2-point system were very good.

I did not publish a calibration results chart with this review, and the Geek Box readings for gamut are not available yet. That's due to a labs hardware issue; my AV Forge signal generator failed before I could get correct readings. I'll upload and attach the chart and update the Geek Box with gamut readings when the generator returns from repair.

Update June 13, 2012: My equipment has been repaired and so I have added the calibration results chart and modified the Geek Box results accordingly.

AV MODE: MOVIE
OPC: Off
Backlight: +12
Contrast: +28
Brightness: +1
Color: 0
Tint: 0
Sharpness: 0

--Advanced sub-menu

C.M.S. -Hue
[all zero]

C.M.S. -Saturation
[all zero]

C.M.S. -Value
[all zero]

Color Temp: Low

[10 Point Setting Off]
R Gain (LO): +11
G Gain (LO): +15
B Gain (LO): -8
R Gain (HI): -4
G Gain (HI): +4
B Gain (HI): -13

[10 Point Settings: No adjustment]

Motion Enhancement: 120Hz High
Active Contrast: Off
Gamma Adjustment: +1
Black Level: [grayed out]
Film Mode: Off
Digital Noise Reduction: Off
Monochrome: Off
Range of OPC: [any]

Note: This post was edited by its original author updated to account for repair of signal generator. Added link to calibration results. on 06/13/2012 at 12:27 PM PT

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