Engadget HD Review: LN-T4671F 120Hz HDTV

Hardware
One look at this set and it's no wonder that Samsung is number one in the world of HDTVs. Sure it's the picture that really counts, but we all know that the external appearance can be just as important. The LN-T4671F doesn't disappoint, it has a nice glossy piano black frame and a classy badge. The frame is little wide, but it's obviously aesthetics, as the outside edge is clear on each side. The base comes pre-installed which saves you time on the initial setup and the speakers go unnoticed -- in more ways than one. The touch sensitive power switch is a nice touch, but you probably won't use it much -- assuming you can find it. Like most Samsung TVs, it plays a little tune when you power it on and off, we're very pleased that Samsung allows you to turn it off, as it's only cute the first few times. The other thing that's cool at first is the blue light, and again you can configure when it's on (never/standby/on) using the Light Effect option under setup.

Three HDMI inputs are pretty standard these days and we really appreciate the HDMI port on the side, but we'd really like to have more. Samsung is betting you don't many older devices as well, as the set only includes two component and one composite/S-Video input. Overall we're pleased with the array of inputs, but would really like to see an RS-232 port for home automation systems and coaxial digital out. We realize that people don't use it much, but we would've liked to have seen a CableCARD slot, maybe when OCAP is available they'll add it. The remote is a standard issued Samsung and for the most part we like it, but what's up with the fact that only a few buttons light up when you enable the backlight?

Usability
We enjoyed having this TV in our labs and found the menus easy to navigate and features easy to access. The info pane is really great and we were happy to have detailed information about the signal the TV was receiving -- like 1080p24 etc. Also, we didn't have any problems with HDMI hand-shaking between all the sources we tried. The audio worked via HDMI as did the HDMI-CEC control protocol (Anynet). While the HDMI-CEC did work, it wasn't fantastic, we felt like most of the functionality wasn't easily accessible -- but it was nice when our Blu-ray player turned on automatically when we switched to that input.

There are two RF cable inputs, one for antenna and one for cable, which makes sense; the tuner easily found all of our OTA HD channels as well as QAM. The QAM scan took a long time, but we really appreciated the fact that it automatically removing the scrambled channels from the lineup.

The other cool thing is that on a few channels -- not sure why it's not all -- it was actually able to recognize the channels and the current show.

The picture modes were nice and like most 1080p TVs it supports 1:1 pixel mapping. The menus are nice, but we found the edit channel list very cumbersome. While we're talking about things we don't like, man this remote really needs to be pointed at the bottom right of the TV, -- even if you're a few feet from it -- maybe we need to check the batteries. And like most HDTVs today the PIP is almost useless since you can only use it with the internal tuner, rather than with a component or HDMI source.
Picture and sound quality
We might be too accustomed to having a full surround sound system, but man the built in speakers sound like tin cans, but who cares as long as you can't see 'em right? As for the picture quality, it doesn't disappoint and while we didn't run any high tech diagnostic utilities, this set easily handled all of the tests on the HQV Blu-ray disc.

One of the biggest draws to 120Hz is to avoid 3:2 pull down which is great for 24p. We connected a Samsung BD-P1200 via HDMI and were able to enjoy a movie at it's original frame rate. We'll tell you one thing, this set is bright! It has no problems with whites and the dynamic setting out of the box is like staring into a flash light. Once we found the movie setting things got better, but to our eye the contrast and colors weren't on par with our reference HDTV (PDP-6010FD) -- but we'd be surprised if anyone complained about the overall picture quality. Since we are here to complain, there were a few issue. The most annoying was what is sometimes called the triple football affect. Basically, when you're watching football and the QB throws the long bomb, you see three footballs instead of one. We didn't noticed it during any other programming, but if you watch football as much as we do, it might be a problem. The other issue is that the LCD backlight isn't even; you really only notice it when the entire screen goes black -- like right before a commercial break -- but it can still be annoying.
Bottom line
Pros: build quality, picture quality and overall rock solid usability.
Cons: Price, triple football effect, and uneven back light.
We really like this TV and wish we didn't have to return it; it's not perfect, but what TV is? But, at ~$3000 we would be hard pressed to pay the premium.
**Update** Samsung informed us that this was actually a pre-production model and that it might differ from the production version.
















Reader Comments (Page 1 of 1)
TrentD @ Oct 10th 2007 10:09AM
I'd really like to see a picture of this "triple football effect". I can't wait - AVS Forum will be abuzz with a new buzzword - TFE!
Ben @ Oct 10th 2007 10:12AM
I tried to capture it on a camera, but I couldn't. Either way, I learned the name from the AVS forum thread for this TV.
Raptor007 @ Oct 10th 2007 1:33PM
Actually, it already is in the 71 owners thread. But I've seen the triple football effect on my set and it's so minor it's hardly worth mentioning.
TrentD @ Oct 10th 2007 11:28AM
Weird - I wonder if it's some sort of video processing artifact.
rezidue @ Oct 10th 2007 10:22AM
The triple ball effect goes away when game mode is on. It's the only way you can disable this and unfortunately you don't get the game mode option if you are watching HD OTA. I actually saved a long pass on my DVR to test this and game mode has been the only way to remove this annoyance.
riverside_guy @ Oct 10th 2007 11:18AM
Hmm, uneven backlight? One of the features of the next step up model (the 81 series) is a LED, not CCFL, backlight AND the fact the LEDs can be selectively turned on and off.
Raptor007 @ Oct 10th 2007 1:33PM
Right, but the dimming zones on the 81 are too large to do this effectively. Look for sharpjunkie's thread on avsforum where he did a side-by-side.
Still, the technology in the 81 series will likely guide future LCD development.
EricDJ @ Oct 10th 2007 1:15PM
Try the new 81 series next too.
chad @ Oct 10th 2007 2:16PM
Ben,
Did you run any tests using standard definition content? It would be nice to know if you saw any problems while watching 480i video and film based material.
I eagerly await your review of the PDP-6010. I know several professional reviews have been published about its brethren, however I (and I suspect many others) want as much data as possible before they drop a bucket of cash on a Pioneer set. Plus its always nice to get opinions from viewers without $10k worth of test equipment.
Ben @ Oct 10th 2007 2:19PM
Chad,
Sorry, but I don't run any SD tests. I realize someone people would find it interesting, but you would never believe how long these things take to do and I am just not motivated enough to add SD to the list.
As for the 6010, man do I suck. I really need to get on that and I always feel obligated to do the loaner equipment first. Maybe I'll do it this week.
Lee @ Oct 10th 2007 4:02PM
So Ben!
I am desperate to know if the 120Hz really made images smoother? On bluray/hd dvd playback, and over the air broadcasts? I have the LN40M86BDX, the first of this awesome run of continuously improving samsung models, and the only thing I dislike is the blatant blurring in panning shots, whatever the source... so does the 120Hz actually work at smoothening, and is 24p that much better for BD/HD DVD?
THANKS!
Lee
Ben @ Oct 10th 2007 4:12PM
Lee,
It's hard to say. The only other LCD I've spent alot of time with is 4 years old and has tons of motion problems. This TV has no motion artifacts at all, other than the triple football affect which is only evident during super fast motion. But without comparing directly to last year's model it is almost impossible to tell how much the 120Hz does to resolve this.
mike @ Oct 10th 2007 4:04PM
This is the set I own and let me say Its worth every penny. My only complaint is the remote which I dont even use anyway because I have an 880. Picture looks better then anything ever seen before. And using auto motion plus on games makes this the gamers choice in tvs. I dont watch football, and never seen any triple ball effect in any other sport so that does not concern me.
And engadgetHD, you guys need to calibrate the colour settings before you judge fairly. Standard mode sucks and movie mode sucks and dynamic is too bright with black crush out of the box. Try some different settings in this thread http://www.avsforum.com/avs-vb/showthread.php?t=901174&page=5. Try my settings at post #56 and #133. Give some others listed a try as well.
Ben @ Oct 10th 2007 4:15PM
Mike,
You are 100% right about adjusting the settings, but that's specifically why I mentioned what tests I did and what settings I used. I wish I was better at setting colors etc, but in reality I'm not. In the DVD days I used to have DVE which helped alot, but so far they haven't released it for Blu-ray yet and I don't have a HD DVD player at my disposal.
Gaber @ Oct 10th 2007 5:04PM
I also own this set and have had no problems whatsoever. I watch a fair amount of football as well, but have not noticed the Triple Football Effect. I don't know if that is because my TV doesn't have it, or I simply am not sensitive to it.
I have messed with the settings quite a bit, and have found some that I like pretty well. However, I just got the HD-DVD version of DVE, and am ready to begin tuning more scientifically. The thing about calibrating this set, however, is that there are more tuning controls than just your standard contrast, brightness, color, tint and sharpness adjustments. There are some quasi-service meny settings that allow you to adjust color levels (My Color) and gains. I need to find the correct starting point for those settings first. In the meantime, I have been very pleased with the picture quality, especially from HD-DVD and Blu-Ray (man does that remastered Fifth Element BD look AMAZING at 24p!)
By the way...there seems to be confusion surrounding the Automotion Plus and 120Hz. AMP is Samsung's algorithm for interpolating frames so that it "smooths" out the motion. In reality, while technologically cool, it makes stuff look very "Soap Opera like". It is really bad for film-based sources. However, I find it useful with video games and sometimes with sports. Most of the time, however, I leave it off. The TV is still refreshing at 120Hz, from what I understand, regardless of this setting. It is just where those frames are coming from that changes.
Jay @ Oct 10th 2007 11:13PM
so is this tv better than Sony's 46xbr4? Which tv is better or what aspects of it
Jayrcee @ Oct 11th 2007 4:25AM
Ben,
I am just curious...what is the firmware version of the reviewed set?
Thanks!
Ben @ Oct 11th 2007 7:50AM
I'm sorry I didn't look and the TV is all boxed up waiting for the delivery guy to pick it up.
Rick @ Oct 11th 2007 3:43PM
As compressed as HD is, I don't care about motion artifacts. I want LCD blacks to rival plasma/CRT.
Josh @ Oct 15th 2007 1:43PM
This review didn't say a word about the 120hz motion. I have seen this tv with it on and it is horrible. the pictures move way to fast and even with some video (ex. pirates 2 bonus disk on blu-ray. is it is 480p) the picture was at least 1 sec ahead of the audio. it was like watching a bad downloaded dvd rip. lcd simply can't match plasma for its response time no matter what new tech they through in it.
Eric @ Oct 27th 2007 12:30AM
Just curious has anyone seen a weird kind of slow motion effect when watching a Blu-Ray movie via PS3 through HDMI? I had the Prestige and The Departed display this every 15-20mins and when I switch sources and come back it is fine for another 15-20mins. It seems like if i turn Automotion off this takes care of the issue as well. I am sure I have the original firmware and wish they would release something new.
Jose Rodriguez @ Dec 10th 2007 12:06PM
i work@ best buy and we have this hdtv on display with a Samsung 5.1 650 watt HTS& the Samsung Blu-Ray player(bd-p1400). their total price is 3500 bucks, but when u get this package from us now its 2500 bucks, also you get 7 movies on Blu-Ray for free, 2 instantly&5 by mail.
Tyler A Morgan @ Dec 10th 2007 3:28PM
Is this an advertized special package deal at all BestBuys or is this something going on just at your store? Thanks for the info. ~Tyler
Jose Rodriguez @ Dec 11th 2007 2:28AM
http://www.bestbuy.com/site/olspage.jsp?type=category&id=pcmcat138200050169