Vizio P50

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At a Glance

Editors' rating: 7.0 Very good
Average user rating: 7.0 Very good
The good: Relatively inexpensive; impressive black-level performance; video processing includes 2:3 pull-down decoding; accurate color decoding; two HDMI inputs.
The bad: False-contouring artifacts; noisy fan; lacks a CableCard.
The bottom line: With commendable image quality and plenty of connections, the relatively inexpensive Vizio P50HDTV 50-inch plasma is the best value in its class.

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Reviewed by: Kevin Miller
Edited by: David Katzmaier

Reviewed on 8/15/06 Editors' note: We have not reviewed this model, but according to Vizio, it is almost identical to the P50HDM. The only differences are that the P50HDTV includes an HDTV tuner and that it's slightly more expensive. Otherwise, the performance of the two models should be identical.

With a selling price of $2,000, the Vizio P50HDTV is one of the least expensive 50-inch HD plasmas we've reviewed to date. Having never heard of Vizio or its parent brand, V, Incorporated, you may rightly be wondering whether that price is too good to be true. In short, it isn't. The P50HDTV performed commendably in our tests, exhibiting deep blacks and accurate color. Its main weakness is a slight deficiency in the features department, as it lacks a CableCard slot. It still has ample inputs, however, and at the end of the day we believe most buyers care less about features than about image quality and style. While its picture isn't quite up to the standards of our current favorite, the Panasonic TH-50PHD7UY, its breakthrough price makes it the best value to date among 50-inch plasmas.

Design of Vizio P50

Overall, the Vizio P50HDTV has a sleek and high-tech look. A thick, glossy-black border surrounds the screen; on the bottom, below the black border, are speakers finished in bright silver. We think the look and the perceived contrast ratio would both be improved by making the entire panel black.

One complaint we've heard about the P50HDTV has to do with fan noise. Our sample emitted a louder-than-normal whir from its back-mounted fans, which we found distracting under normal viewing conditions--particularly during quiet passages in movies. Vizio says it will provide onsite service to buyers who complain about the fan noise.

The company decided not to make the speakers detachable, so this 50-inch panel stands taller than most at 34 inches in height, although its 49-inch width is average. The company includes a foot-wide stand, and you can always choose to mount this 4-inch-thick panel on the wall.

The remote is oddly shaped, and all the buttons are black with white lettering. This color scheme makes it easy to distinguish different keys in a brightly lit room, but if you are trying to work in the dark, its lack of illuminated keys means you will need a good flashlight. The internal menu system is vertically oriented, well designed, and quite simple to navigate.

Features of Vizio P50

Like all 50-inch plasmas, the Vizio P50HDTV has a native resolution of 1,366x768, which provides plenty of pixels to display every detail of 720p HDTV sources. All sources, including computers, HDTV, and standard-def, are scaled to fit the available pixels.

The Vizio's feature package is definitely its weakest point, but you can't expect the moon and the stars at this price. As we mentioned at the outset, it lacks Digital Cable Ready capability. The omission of the CableCard slot means you'll need to use an external box to watch digital cable. However, this might not be a big deal when you consider CableCard lacks several features found on digital cable boxes, such as dual-tuner DVR capability and video-on-demand.

While we weren't surprised by the CableCard-free feature set, the lack of selectable color-temperature presets was a shocker. A more accurate preset would be a boon given the P50HDTV's relatively blue out-of-the-box color temperature (see Performance). Vizio included several global picture modes to choose from, with different picture presets for different viewing environments. In the advanced menu section, we found Dynamic Contrast and Fleshtone features--both of these should be turned off for the best picture performance. The only real convenience feature worth mentioning is PIP (picture-in-picture), for keeping tabs on more than one program at a time.

Happily the company didn't skimp in the most important area of features: connectivity. This is one of the few HDTVs we've reviewed with two HDMI inputs, which are becoming increasingly desirable given the proliferation of HDMI-equipped DVD players and set-top boxes and the dearth of HDMI-switching receivers. The set provides two component-video inputs, two S-Video inputs, two composite-video inputs, one VGA analog RGB input for PC hookup (1,024x768 at 60Hz is the recommended resolution), a set of analog audio outputs, and a headphone jack. It is a bit odd that the headphone jack sits on the back panel rather than on the front, where it would be much easier to access.

Performance of Vizio P50

The Vizio P50HDTV handles most of the key picture-performance areas very well. The black-level performance of this panel is quite good, achieving a convincingly inky black in the darkest scenes--something that few plasmas can claim.

However, we noticed a couple of problems. First, the Vizio P50HDTV doesn't pass blacker-than-black signals, which are key to achieving the best contrast ratio. The other, larger issue is the visibility of false-contouring artifacts, which are most prominent in dark scenes, although they're also visible in some bright material. Chapters 2 and 3 of the Alien: Director's Cut DVD revealed the contouring artifacts, which appeared as shimmering masses of indistinct color near black. We also saw this issue in a relatively bright scene at the opening of the Vertical Limit Superbit DVD, which contains a long pan of a cliff side with a few of these indistinct areas.

Since the P50HDTV offers no selectable color-temperature settings, you are stuck with the relatively blue grayscale as it comes from the factory (see the geek box). After calibrating the panel, which provided only three global gain controls instead of the usual five or six, we discovered that the gamma tracking isn't as good as we expect in a plasma. A strong indication of this is the unevenness of the grayscale from top to bottom, which affects color accuracy; for example, it tinges gray areas with some green and red. On the other hand, the Vizio's color decoding is quite accurate. Consequently, color saturation and skin-tone rendition looked excellent after calibration.

We were pleased to find that the panel passes all the resolution from 720p HDTV sources. Oddly enough, this is something most displays can't do, even though their native resolution is either exactly 1,280x720 or an even higher 1,366x768, as in the case of the Vizio.

HD material from our DirecTV HD satellite feed looked quite impressive. Color saturation and detail were both excellent. Dark scenes showed some false-contouring artifacts, but the overall picture quality was very good.

Geek box

TEST	RESULT	SCORE
Before color temp (20/80)	7,550/8,600K	Poor
After color temp (20/80)	6,400/6,900K	Average
Before grayscale variation	+/- 1,883K	Poor
After grayscale variation	+/- 225K	Average
Overscan	2.5 percent	Good
Color decoder error: red	-10 percent	Average
Color decoder error: green	-5 percent	Good
DC restoration	All patterns stable	Good
2:3 pull-down, 24fps	Yes	Good
Defeatable edge enhancement	Yes	Good

Basic Specs

Product Specifications:
Product Description: V VIZIO P50HDTV - 50 in Plasma TV
Product Type: Plasma TV
Diagonal Size: 50 in - Widescreen
Dimensions (WxDxH): 48.8 in x 12.2 in x 34.2 in - With stand
Digital Television Certification: HDTV
Resolution: 1366 x 768
Display Format: 720p
Input Video Formats: 480i , 480p , 720p , 1080i
PC Interface: VGA (HD-15)
HDCP Compatible: Yes
Technology: Plasma (PDP)
Progressive Scan: Progressive scanning (line doubling)
Image Aspect Ratio: 16:9
TV Tuner: 1x analog/digital combo
Digital TV Tuner: QAM , ATSC , 8-VSB
Analog TV Tuner: NTSC
Multi-channel Preview: Picture-in-picture (PIP) , Picture-out-of-picture (POP)
Additional Features: 2:2 pull down compensation , 3:2 pull down compensation
Sound Output Mode: Stereo
Speaker System: 2 speakers
Sound Effects: SRS TruSurround XT
DVR: None
VCR: None
DVD: None
Radio: None
Remote Control: Universal remote control - Infrared
Power: AC 120/230 V
Battery: None
Manufacturer Warranty: 1 year warranty

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