Official Sony [X9] XBR-55X900A / XBR-65X900A Owner's Thread - Page 413 - AVS Forum
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post #12361 of 12373 Old 10-18-2014, 03:37 PM
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Originally Posted by nuke View Post
True - there's really not much difference. In spite of number of available adjustments and gizmos, nearly all of them should be turned off.

The one I struggled with is the white balance. I found that the colorimeter (I1D3) was just not able agree with my eyes. This is not uncommon actually.

I have a spectroradiometer coming to do more detailed measures.

I will say though, that I'm really happy with the color settings now. This display is capable of greater color range and subtlety than any LCD I've ever seen.
Any chance of getting the skinny on the service menu trickery? I know how to get in to the menu and have poked around here and there but I've never found any built-in test cards. If you don't want to post it here (in case peoples **** up their TVs) then I understand, but a PM would be appreciated.
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post #12362 of 12373 Old Yesterday, 05:46 AM
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was so excited to buying 9005a with a big discount today, and then very disappointed that i actually cant play any 4k videos from usb
look like now i need some kind of media player?
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post #12363 of 12373 Old Yesterday, 06:23 AM
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if i connect my pc with 7950 videocard to tv via hdmi, i be able to play 4k vids on tv?
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post #12364 of 12373 Old Yesterday, 06:34 AM
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Originally Posted by Znomed View Post
if i connect my pc with 7950 videocard to tv via hdmi, i be able to play 4k vids on tv?
I know folks have successfully played 4K files via USB and PC. The trouble you're having probably has something to do with the format your files are in (if I remember correctly). I have not tried, so I can't tell you myself, but the answers are located somewhere in the last couple months of posts.

Sent from my SM-N900T using Xparent BlueTapatalk 2
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post #12365 of 12373 Old Yesterday, 10:53 AM
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can someone explain why i cant run full hd 3d on my 55" x9005a? seems like its not issue for 65", whats the difference? can be fixed?
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post #12366 of 12373 Old Yesterday, 11:05 AM
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post #12367 of 12373 Old Yesterday, 11:31 AM
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i mean full 1080p for each "eye"
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post #12368 of 12373 Old Yesterday, 11:37 AM
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Quote:
Originally Posted by Znomed View Post
can someone explain why i cant run full hd 3d on my 55" x9005a? seems like its not issue for 65", whats the difference? can be fixed?
This is a limitation of the 55 panel and can not be changed. Sony marketed it as full HD for each eye but then removed that statement from the 55 marketing months after it was discovered by owners.

The 55 does not display full HD (1920x1080p) to each eye when in 3D mode like the 65 does. The 55 displays 1920x540p to each eye.
You should find posts on this in this thread.
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post #12369 of 12373 Old Yesterday, 12:26 PM
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if i connect my pc with 7950 videocard to tv via hdmi, i be able to play 4k vids on tv?
If the video cards resolution can be changed to 3840 x 2160, then yes, vlc player is the best option IMO
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post #12370 of 12373 Old Yesterday, 12:29 PM
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was so excited to buying 9005a with a big discount today, and then very disappointed that i actually cant play any 4k videos from usb
look like now i need some kind of media player?
You need a PC that can support 3840 x 2160, I beleive the latest mac mini does, there are lots of cheap 4k players around on ebay, choose one and look for youtube reviews, i cant recommend any
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post #12371 of 12373 Old Yesterday, 03:53 PM
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I had the same issue. There is an automatic iris that adjusts to room light conditions. Turn it off and use the "vivid" setting. Adjust as necessary. I can provide you my settings if necessary. I hope this helps.
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post #12372 of 12373 Old Yesterday, 06:59 PM
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Quote:
Originally Posted by TweakerInWA View Post
I know folks have successfully played 4K files via USB and PC. The trouble you're having probably has something to do with the format your files are in (if I remember correctly). I have not tried, so I can't tell you myself, but the answers are located somewhere in the last couple months of posts.

Sent from my SM-N900T using Xparent BlueTapatalk 2
No no no, the TV cannot play 4K vids directly from USB.
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post #12373 of 12373 Old Yesterday, 09:40 PM
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Quote:
Originally Posted by Geoff D View Post
Any chance of getting the skinny on the service menu trickery? I know how to get in to the menu and have poked around here and there but I've never found any built-in test cards. If you don't want to post it here (in case peoples **** up their TVs) then I understand, but a PM would be appreciated.
There are actually several sets of test patterns built into the set if you explore the service menu. Some are effected by Sony's color settings. There is a set of patterns you can reach by using the options key on the remote, that directly invoke test patterns built into the raw AUO LCD panel itself. They match exactly the patterns that can be brought up by I2C commands to the AUO TCON board. (I found the full AUO data sheet for the raw LCD panel used in the 65X900A).

Using this set of menus, you can actually measure the full native gamut and the native white point of the panel. It is a set of WRGBCMY color bars, but are generated directly by the raw LCD itself. There are other patterns, including greyscale ramps in various directions and some patterns use to setup VCON and some other internal setups. Measuring the color bars in this pattern reveals the entire native gamut of the display.

I used this test pattern set to find a reference white point, which measured quite close to D65. I set that as a custom white point in HCFR and used the white balance user settings to align to that white point. It looks quite right.

The I1D3 says it is wrong, but it appears to be unable to accurately measure the quantum dot spectrum. Without a spectral correction file specific to this technology, a colorimeter is unlikely to give proper results.

Curiously, the Sony W900A, a 1080P which also uses quantum dot backlight, has a different Lcd vendor and exhibits a different white point and gamut.

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Sony Xbr 65x900a 65 Inch 1080p 120hz 3d Led 4k Ultra Hdtv , Sony Xbr 55x900a 55 Inch 4k Ultra Hd 3d Led Tv
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