samsung ln52a650

วันเสาร์ที่ 19 กันยายน พ.ศ. 2552

Sharp Aquos LC46SE94U 46-Inch 1080p LCD HDTV


This is among the best quality TVs made in 2008.
There are now sets with better picture quality, such as the Limited Edition series (also from Sharp) which use LED backlighting, but they are quite expensive.
There are many brands of television, but Samsung and Sharp manufacture the vast majority of LCD panels.
Other brands, even big names like Sony, Toshiba, and Pioneer, only buy panels from manufacturers and build electronics around them. Sony, in particular, charges quite a lot for their brand name even though they didn't even make the panel!

Some Sharp panels from past models were known for having a color banding problem. This was endemic in Sharp televisions for a long time, though most peopled did not notice. I am happy to report that this set does not suffer the same problem.

Absolute contrast is 3000:1, 3 times that of most other sets. Dynamic contrast (contrast achieved by adjusting the intensity of the backlight) is 27,000:1, and in practice, the brightness this set can produce is almost over the top. It literally hurts my eyes and lights up the entire living room, though I usually keep it at low settings because I am not into intensely bright screens.

My 46" set uses about 150W of power at 20% backlight -- not bad. It can use just over 300W at full brightness (actual measurement).

The internet service, "Aquos Connect", is fairly worthless. It is slow, takes up screen space (or the whole screen), and has terribly response latency -- if you switch views or turn it on/off, it takes a while to comply. It may be handy for showing weather or stock information occasionally, but you will probably be more likely to walk to a nearby computer or change to an appropriate TV station rather than work with the clunky TV internet interface. The possibility of remote servicing and diagnosis sounds promising, however.

I can't comment on the speakers as I use an external stereo.

The connections are well placed and, in particular, the HDMI and RCA ports on the right side of the TV are very useful for connecting temporary hardware, such as a friend's game console.

This TV handles many more resolutions with the VGA connector than any previous HDTV I've had. I tested it at 1600x1200, but no higher. Works well.
I use this screen mainly as a computer monitor, connecting my computers DVI-out to one of the TV's HDMI connectors using an HDMI cable and adapter. It looks beautiful and works very well for both business applications (even Photoshop, which has long been a poor program to run on other LCD screens due to color accuracy problems) and gaming. The response time is so fast as to not notice any blur or shearing, and the TV works perfectly at a full 1080P, 60 Hz.

This screen may be able to display at 120Hz, but it cannot accept input at 120Hz. 60Hz is the maximum, at least at 1080P. This leads one to wonder how it can play a Blu-Ray movie without shearing at 24P if it cannot accept input at an even multiple of 24.

One final noteworthy comment is that this screen does NOT have a glare problem at all. Many glossy screens, especially those on notebooks, reflect the surrounding light so well that you can shave in your reflection. Very distracting. This television has absolutely no glare problem whatsoever. Its glare is even lower than the previously popular matte (non-shiny) LCD panels.
I can only see noticeable light reflection at about a 60-90 degree viewing angle (though even at extreme angles, the picture still looks fine).

Overall I am very happy with this TV and find its faults to be incredibly minor. I'd recommend it over any other 2008 television set (though Samsung has very nice panels as well). However, if you want the highest-end and are willing to pay for it, look for something with LED backlighting.Buy Sharp Aquos LC46SE94U 46-Inch 1080p LCD HDTV!

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