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Sony BRAVIA V-Series KDL-40V5100 40-Inch 1080p 120Hz LCD HDTV

3.0 out of 5 stars 78 customer reviews
| 5 answered questions

Available from these sellers.
  • 16:9 Full HD 1080P Resolution Panel
  • Dynamic Contrast
  • Bravia Engine 2 Fully Digital Video
  • Bravia Link Compatibility
  • Motionflow 120Hz Technology
2 used from $500.00
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Technical Details

  • Brand Name: Sony
  • Model Number: KDL-40V5100
  • Display Technology: LCD
  • Display Size: 40.00 inches
  • Image Aspect Ratio: 16:9
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Product Description

Product Description

Features Built-in HDTV tuner; Add HD-capable antenna to receive over-the-air high-definition broadcasts, where available. Optional set-top box required for high-definition cable or satellite programming. Screen measured diagonally from corner to corner. Everyone will have a great view of the show or game. 1080p display. Provides the highest quality progressive-scan picture possible for a high-definition source. 16:9 widescreen aspect ratio. With CineMotion reverse 3.2 pulldown technology and 24p True Cinema mode delivers accurate reproduction of film-based sources for a cinema-style entertainment experience. BRAVIA Engine 2 full digital video processor. Reduces visual noise, improves color and sharpens the overall image detail. Advanced Contrast Enhancer (ACE) Uses real-time image processing to adjust the contrast ratio. Motionflow 120Hz technology. Reduces jitter and sharpens fast-moving images for a crisp picture. LightSensor technology. Monitors ambient room lighting conditions and adjusts the backlit intensity accordingly. 50,000:1 dynamic contrast ratio. For an arresting viewing experience. 3D digital comb filter. Brings out fine picture detail and enhances color purity. SRS TruSurround XT. With Dolby Digital and SteadySound utomatic volume control delivers a lush soundscape. Ultraslim (3-3/4" deep) design and VESA compatible. Ideal for wall mounting (with optional mounting kit, not included). 4 HDMI inputs

Review from Home Theater Magazine

Review from HomeTheaterMag.com: Sony Bravia KDL-40V5100 LCD HDTV

Home Theater Magazine ReviewsThe Sony came in a close second in the judging. Two members of the five-judge panel voted it first overall, and two rated it second. No one really disliked it. I can't say how I might have voted had I been participating blind, but I like to think I would have placed it on top, given my partiality to serious viewing in a darkened room and the resulting need for great black levels. As I noted earlier, the Sony also won raves for its performance with the lights on--although that was a very short part of the test and not included in the scoring. Read the full review at HomeTheaterMag.com.

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Product Information

Technical Details

Brand Name Sony
Item Weight 37.3 pounds
Product Dimensions 38.9 x 3.8 x 25.1 inches
Item model number KDL-40V5100
Color Name Black
Specification Met energy_star

Additional Information

Customer Reviews
3.0 out of 5 stars 78 customer reviews

3.0 out of 5 stars
Best Sellers Rank #196,143 in Home Theater (See top 100)
#2,310 in Electronics > Televisions & Video > Televisions > LED & LCD TVs
Shipping Weight 48.1 pounds
Domestic Shipping This item can only be shipped to the 48 contiguous states. We regret it cannot be shipped to APO/FPO, Hawaii, Alaska, or Puerto Rico.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available March 3, 2009

Warranty & Support

Product Warranty: For warranty information about this product, please click here


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

First things first, THEY FIXED THE AUTO-CONTRAST! I have nothing but good things to say about this TV. Do not be fooled by the 1 star ratings. All those 1 star ratings complain about the auto contrast/brightness feature which could not be turned off, but SONY FIXED IT ALREADY in the newer units or a software update via sony.com will add the controls to turn the function off.

With that biggest gripe fixed, this TV has outstanding visual clarity and the color saturation is beautiful. Black levels are excellent on this non glossy screen. You can't go wrong with a Sony and the software update shows they are listening to their customer base. No dead/stuck pixel, great viewing angles, 120hz refresh is great for sports, but in my opinion, not for movies. Excellent TV, I would buy another one of these without hesitation, superior when compared to the other brands that offer the same features. The Bravia V series lives up to the Sony name and quality standards you would expect. Deserves all 5 of the stars it's rated.
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Update May 3, 2009:

My original review of the TV was negative due to a problem of dimming during dark scenes. But few days ago Sony released a software patch to correct the problem and it worked for me. Now, the auto dimming can be turned off by setting the "Adv. Contrast Enhancer" to Off. Also, even when it's turned On, it doesn't behave like it did pre- patch, it now dims gradually rather than abruptly and it doesn't dim as much as it did before. Thank you very much Sony, I'm updating my rating to 5-star.

I'm very happy with the TV now that the auto dim is fixed. If you own the TV and having problems with the dimming, go to the support section of Sony's site to download the patch and the instructions on how to apply it. You will need a USB thumb drive formatted in FAT32, but if you don't have it, Sony will mail you one if you call their customer support.


Original review:
Date: April 8, 2009
Rating: 2 stars

When I purchased this TV few days ago, there were no reviews here since it's just been recently released into the market. I, however, looked at the reviews of the previous model (KDL-40V4100) and didn't find any serious complaints so I went ahead and purchased this TV. I regret my purchase and will explain why.

This is my third LCD TV -- the others are early generations LCDs from Sharp and Sony and they are still working great, but they are no match for the picture quality of this new Sony. There are a lot of good things about this TV and I would have given it 5 stars if not for one serious flaw.

The TV dims during dark scenes. And sadly it doesn't do it gradually, it happens abruptly 6 seconds after the start of a dark scene and it returns to normal lighting abruptly about 0.
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We bought the V5100 2 weeks ago. After getting it home we were a little disappointed with the picture as we didn't have HD yet, so we got the HD dish installed. Picture on HD was perfect, other channels good but not great. When watching DVD's we noticed the dimming issue, dark scenes getting darker and darker. After reading a few review sites I discovered there was a fix from Sony so I called the customer support and asked to be sent the software update. That took about a week, and the USB would not download, it went to a blue screen. So I called tech support and got a guy that was really clueless to the problem. He had me call a not so local authorized dealer which wouldn't come out, we would have to take the TV there, 40 miles away, drop it off then have to go back another day to pick up!! So, I decided to try to download the fix myself from the Sony website. After a few failures I discovered you had to format the disk to FAT32, so I did and it worked. But it hasn't fixed the dimming problem, it's still there just not quite as bad. The store we bought the TV from tried to work with us saying it might be that our DVD player is not the newest or best, but I'm not sure that's an issue. We have decided to take the Sony back and get a Samsung or Mitsubishi. It's disappointing that Sony would sell TV's knowing there is a problem, and then not tell their retailers that there is a known problem. Or at least the store is claiming they didn't know. They are willing to replace or exchange it. I'd be afraid of the same problem with another Sony. Very frustrating.

Update: Went and compared the 5100 to the Samsung and did not like the Samsung as much. So asked the store to send technician to adjust, haven't heard from them.
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This would be a wonderful LCD television were it not for a design flaw that, for me, is unacceptable. Any device that is connected through an HDMI input experiences intermittent sound cutout. If the connection is made through the component video inputs instead of the HDMI inputs, there is no audio dropout, but this raises other audio sync issues.

This audio dropout is not a flaw in my particular set only, but rather is a characteristic that permeates the entire Bravia line, as a simple online search can verify. When I noticed the problem, I had Sony send me a replacement television of the same model and vintage. Even after updating the system software, the replacement set exhibited the exact same problem as the original one, thus confirming that this is a design issue. I recently replaced the Sony set with a Samsung, and since changing brands I have had absolutely no further problems with audio dropout.

If it were not for this problem, I would strongly recommend this set. The picture is great and it seems to fade less with increased viewing angle than my Samsung does. Overall, the set feels solid and performed well except for the above noted problem. If you are considering buying a Bravia television, I strongly recommend that you purchase it from a seller to whom you can easily return it, just in case you experience the same problem that I did.

For what it's worth, dealing with Sony customer service had its frustrating moments, but in the end the company stood behind its product and treated me more than fairly.
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