3D TV Repair:

  Diagnosing and Fixing A 3-D TV With No Picture
•   Problems can often occur with even relatively new 3-D TVs. Some customers report their screen going black shortly after turning on the television, even though the TV's speakers continue to produce sound. You can test and rule out a number of things before concluding that your TV has a hardware defect.
First, check the input settings of your television. Often, users will experience a dark screen when first turning on their television if the selected input corresponds with a turned-off or unplugged input, such as a gaming system or DVD player. If the problem persists, try reconnecting all cables on the back or sides of the television. It's possible that one of your cables has gone dead. If you have access to other cables, try swapping these in and see if the problem persists. Some customers report that turning the television off and unplugging it for an extended period of time, up to 24 hours, can fix the black-screen issue.
Power Supply Issues
•   If you've tried all of these suggestions and problems persist, it's possible that the power supply inside the television is defective or broken. The power supply for most 3-D televisions will cost around $150, with labor costs of around $250. Unless you have a fair amount of TV repair expertise, this is probably not the sort of repair you'd attempt yourself. Also be aware that occasionally, especially with older & new television models, we have all parts in stock.   

 In the late-1890's, the British film pioneer William Friese-Greene filed a patent for a 3-D movie process. When viewed stereoscopically, it showed that the two images are combined by the brain to produce 3-D depth perception. On June 10, 1915, Edwin S. Porter and William E. Waddell presented tests to an audience at the Astor Theater in New York City. In red-green anaglyph, the audience was presented three reels of tests, which included rural scenes, test shots of Marie Doro, a segment of John Mason playing a number of passages from Jim the Penman (a film released by Famous Players-Lasky that year, but not in 3-D), Oriental dancers, and a reel of footage of Niagara Falls. However, according to Adolph Zukor in his 1953 autobiography The Public Is Never Wrong: My 50 Years in the Motion Picture Industry, nothing was produced in this process after these tests. In the 1950s, when TV became popular in the United States, many 3D movies were produced. The first such movie was Bwana Devil from United Artists that could be seen all across the US in 1952. One year later, in 1953, came the 3D movie House of Wax which also featured stereophonic sound. Alfred Hitchcock produced his film Dial M for Murder in 3D, but for the purpose of maximizing profits the movie was released in 2D because not all cinemas were able to display 3D films. The Soviet Union also developed 3D films, with Robinzon Kruzo being its first full-length 3D movie, in 1946.

3D-Ready Tv Set
3D-ready TV sets are those that can operate in 3D mode (in addition to regular 2D mode) using one of several display technologies to recreate a stereoscopic image. These TV sets usually support HDMI 1.4 and a minimum (input and output) refresh rate of 120 Hz; glasses may be sold separately.
       Philips was developing 3D television sets that would be available for the consumer market by about 2011 without the need for special glasses (autostereoscopy). However it was cancelled due to the slow adoption of customers going from 2D to 3D.

In August 2010, Toshiba announced plans to bring a range of autosteroscopic TVs to market by the end of the year.
The Chinese manufacturer TCL Corporation has developed a 42-inch (110 cm) LCD 3D TV called the TD-42F, which is currently available in China. This model uses a lenticular system and does not require any special glasses (autostereoscopy). It currently sells for approximately $20,000.
        LG, Samsung, Sony, and Philips intend to increase their 3D TV offering with plans to make 3D TV sales account for over 50% of their respective TV distribution offering by 2012. It is expected that the screens will use a mixture of technologies until there is standardisation across the industry. Samsung offers the LED 7000, LCD 750, PDP 7000 TV sets and the Blu-ray 6900.

Full 3D Tv Sets
Toshiba has shown 20 and 12 inch autostereoscopic (glasses-free) LCD 3D TV sets for commercial launch, with a 1280x720 resolution. By systematically aligning pixels and adopting a perpendicular lenticular sheet, Toshiba's LCD panel eliminates blurring,[disambiguation needed] or the vertical wave pattern (caused by interference in the display cycle) that plagues other autostereoscopic 3-D technologies. The viewing angle is about 40°, doubling the previous approaches. Toshiba's glasses-free 3D TV does suffer initial limitations such as viewing distance and cost, the 12 inch model will sell for roughly $1400. Toshiba are expected to deliver their glasses-free 3D TV on a global scale by  2015.September 2011: Based on Cnet review, Toshiba 55ZL2 is indeed ready for prime time with 3,840x2,160 pixel, abundant pixels needs for Glasses-free 3D which produces nine 3D views, each created by a directional 'lenticular lenslet' filter. Stunningly smooth and detailed images, but it's not 1080p and it's probably closer to 720p, so the images aren't as clear as those of regular active-shutter 3D TVs. Some considerations are:

-it should be watched in a blacked-out room -the parallax effects appeared quite shallow, there's depth to images, and it's not immersive -currently there is no video content with resolution of 8 million pixels.

Samsung 3D Tv:
Samsung sold more than 1 million 3D TVs within six months of its launch. This is the figure close to what many market researchers forecast for the year’s worldwide 3D TV sales (1.23 million units). It also debuted the 3D Home Theater (HT-C6950W) that allows the user to enjoy 3D image and surround sound at the same time. With the launch of 3D Home Theater, Samsung became the first company in the industry to have the full line of 3D offerings, including 3D TV, 3D Blu-ray play, 3D content, and 3D glasses. The company is trying offer the 3D content streaming service on its 3D TVs. Just like iTunes store, the Samsung 3D TV aims to allow the user to connect to its own online store, Samsung Apps, and download applications on the user’s hard disk drive.

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