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Product Survey: 40'' to 49'' TVs >
Sony Bravia KDL-40X2000
Screen size 40 inches (101 cm)
Resolution 1920 x 1080
HD compatibility (1080i/720p) Oui / Oui
HD Ready certification Oui
Brightness 450 cd/m²
Contrast ratio 1300:1
Viewing angles (H+V) 178° / 178°
Response time 8 ms
Sound level 2 x 11 W
Connectivity 2 HDMI / 1 VGA /
2 YUV / 3 Péritels RVB...
Dimensions (LxHxW) 1111 x 717 x 322 mm
Weight 35 kg
Precision adjustments to your taste
There are a large number of functions available on this model. You will find, amongst other things, a graduated detail adjustment with off, low, medium, high and finally max settings. This function is truly beneficial, but it’s a very fine adjustment as you can see in the above image. On the left it is turned off, and on the right it’s on "max". If pushed too far, the result is disappointing, and we therefore recommend the medium setting.

Next we have edge improvements which can be deactivated and gradually improved with levels of low, medium and high. Once again, we show you the two extremes with this function not activated on the left and “high” on the right:

Setting this adjustment on “medium” is the best compromise. Note that fine adjustments such as this are quite rare. In use, the improvement is more obvious on fixed images than on moving ones.

Gregory Bleton
Test date: 2007-05-21
We might as well tell you right off that this 40 inch Full HD (1920x1080 pixels) represents Sony’s very high end. This is backed up with the 3000 euro price which approaches that of a 46" (119cm).  The X2000 series comes from the ultimate family of Sony products (40, 46 and 52") which are equipped with all the latest technology such as the Bravia Engine EX that should perfectly scale image from a SD type digital television source. This function was seriously lacking in the previously tested KDL-46W2000. The panel is still an 8 ms with a typical announced contrast ratio of 1300:1.

The first nice characteristic that is immediately noticeable is that connectivity is richer than usual. We appreciated the two YUV jacks and there is just the lack of a third HDMI connection which is expected on products of this level. Those who need it can add an HDMI switch. 






Silver bezel; also comes in black, red, white, brown and blue (when available).

What can we use this TV for?

Tests started with a digital television signal and DVD reading.  The image is still slightly vulnerable to aliasing, but not excessively so. Step back 6 to 8 feet (either way a minimum for a screen of this size) in order that scaling defects disappear.  The Bravia Engine EX then shows its fine potential despite slightly noticeable and random noise. This is nevertheless the best result obtained with a Full HD panel.

We continued with our standard HD DVDs and the result was cut and dry. The image was outright exempt from defects (even from 6 feet) and curves were very finely rendered.  We haven’t seen an image as precise as this on a Full HD LCD and the depth was even more impressive than that which we saw on the Sharp LC46XD1E.  This screen is definitely destined for the more demanding user. Our test model wasn’t subject to banding or clouding.  Right after startup, corners were a bit too bright, but like with the KDL46W2000 after a few hours this phenomenon disappears. This precision was also aided by a superior color space (gamut), assuring nuances not found on classic LCDs and which normally are subject to solarization in difficult areas. For example, this TV displays clean sunsets similar to a plasma TV when other LCDs show uniform blocks of color instead of the many gradations of red.

In PC mode as well, this is the dream screen. The image is always perfectly sharp and web pages are easily read. In addition, Sony integrates an "All Pixels" mode, which allows displaying the Windows desktop completely and without cutting the edges.

Its major defect is its colors, like on all Bravias.  They are truly unbalanced with our sensor showing dominance in red, except on the darkest colors, and inversely in the lightest colors they lean towards blue. In short, color fidelity is poor. These are settings which are meant to lively up skin tones and blues particularly don’t do justice to movie rendering. Our colorimeter actually reported an average difference of 11.5 for the standard 18 color patches when this figure should be ideally less than 3. For comparison, the LG 32LB2R is only at 2.1 showing that true colors are indeed possible on LCD screens. Conclusion : you will have to go into the television’s OSD menu to salvage this Sony’s rendering in this domain.

Fine tuning this television

In the OSD menu, we find a variety of very impressive options including a white balance adjustment which only exists on the X2000 line.  First of all, by going into expert mode we can lower the color temperature to 6700°K.   Furthermore, we can adjust to almost the same recommended parameters of the KDL46W2000 with a backlighting value of 10 (activating the light sensor), a contrast of 55, brightness of 60, colors at 48 in verifying that color temperature is on "Warm 2"

For advanced settings, everything was set to "No", natural color to "medium", colorimetric space to "widened", and white balance set to "-1" for gains in green and blue. Contrary to Toshiba LCDs, the gain on each color channel does indeed correct the characteristic we are trying to change (see our test of the
32C3030DG). After going through all of these steps, color temperature is reduced to a much more pleasant 6503°K (on our test model) and the average difference in base colors was only 4.2.  The improvement was obvious and here are the grays before and after these adjustments:



Of course, this average dE of 4.2 isn’t the same value we obtained with the LG 32 inch, but it’s still very satisfactory and balanced as well as being the best rendering that we have encountered on a Full HD TV.  Contrast is also a new area of satisfaction. Sony announces a ratio of 1300:1while we measured 1230:1, despite black colors that could have been deeper (measured at 0.30 cd/m² and an advantage for plasmas in this domain).

As for reactivity, the response time of 8 ms will only be an issue in dark sequences or when viewing older movies. For those who want to use this TV with a game console, light afterglow is sometimes visible, but it’s very satisfactory and well into the average. The best  Full HD in this domain is still the Sharp LC46XD1E.

Finally, a few last details…For noise levels, the power source is inaudible from 2 meters for those who are more sensitive to this characteristic. The design will please almost everyone, with interchangeable bezels in black, gray, white, red, brown and blue. To finish this test, we highlight the fact that Sony will not exchange your screen if you find a dead pixel. On this point, the Japanese manufacturer could follow the example of the competition such as Sharp. Only your retail distributer will be able to find a solution and do not hesitate to mention this before buying because it can be essential.

- Image sharpness, high level of detail

- Rich connectivity (double YUV in addition to double HDMI)

- Absolute silence in functioning

- Very complete menus with many adjustments

- Sophisticated design, interchangeable bezel

- Colors could be better despite the numerous adjustments we made

- The Bravia Engine EX doesn’t fulfill all of its promises

- The price of excellence

- Dead pixel policy not very forgiving

A high end TV with numerous adjustments that add real value. It’s not perfect, but in many areas it sets a new standard. Either way, Sony makes us pay for it.

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