Wednesday, January 18, 2012

LCD TV Problems - How You Can Fix Them Fast

!±8± LCD TV Problems - How You Can Fix Them Fast

There are many reasons you could be having problems with your LCD TV. The thing to remember is that these things are microprocessor based, just like your computer. That means that at the first sign of trouble you should do the same thing you do with your computer; reboot it! That's right, if your LCD TV is dead ir unresponsive, turn it off with the remote or power button, wait about 10 seconds, then unplug it from the wall. After about 1 minute, plug the power back in and turn the TV on again. With any luck, your TV is now fixed. The next thing that causes problems with all new TVs, not just LCDs is the HDMI connection.

You see, HDMI is a fantastic way to get high definition video, but it's so good that the content providers were worried their stuff would end up out on the Internet in pure form, easy to copy and distribute. To prevent such an occurrence, a copy protection scheme called High Density Copy Protection (HDCP) was developed. This is an electronic data handshake system where the source and display devices have to recognize each other and agree that it's okay to send video. If there is no handshake, or the process gets corrupted in some way, poof, no more video. This problem was extremely prevalent in the early days of HDMI, but has been steadily improving since about the end of 2007 or early 2008.

If you are having problems with your TV, it may actually be an HDMI related issue. Here are some of the problems you might encounter.

Problem 1: No Picture
If you see, or rather don't see this, then shut everything down and then restart the system. Make sure all the connections are in place first. Look at the screen. If you see a resolution notice chances are the DDC line has communicated between source and sink. Good news for you! The problem is likely video related.

Problem 2: Flashes, No Audio, Pink Screen
No audio accompanied by a pink screen is usually indicative of a DDC communication problem. What's that mean for you? To check this, power up the system while all the HDMI cables are connected. If possible, try using shorter cables. Here you need to see if the system works at all. If for some reason the system still fails to come on, try using different inputs. You may find that your cable box will work and your DVD may not or vice versa. This can happen because of stray capacitance on the DDC line inside the HDMI cable. This may actually be caused by the hardware itself. If you think it may be, try getting a DDC line conditioner. Normally, these types of problems completely go away when conditioning is introduced.

Problem 3: Sparkles in the Picture
This is normally a video data transmission problem. Typically data transmission problems with HDMI are cable related. It could be that the cable is underperforming due to its length. This is especially common with cheap cables. Remember the HDMI spec says cable length should not exceed 10 meters. Shortening the cable should improve the signal integrity. Another possibility in this situation is a bad connector. HDMI connectors are notoriously fickle anyway.Try a new cable at each position along the signal path.

Symptom 4: Picture Comes On, Then Goes Off
Typically, this is caused by one of two things. The first is when one or more of the video TMDS channels has a high bit error rate or is not working at all. Next is when the DDC line doesn't quite make it. In that case, the HDCP is not getting a new refresh key. Buy a in a better quality cable with larger wire. When it comes to wire gauge, smaller gauge equals bigger wire diameter. Hence 20 gauge is larger diameter than 24 gauge.

If you're having LCD TV problems, check these things before you call a TV repair company. In many cases you can easily fix the problem yourself without spending a fortune.


LCD TV Problems - How You Can Fix Them Fast

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Monday, January 9, 2012

Toshiba 55WX800 55-Inch 3D LED TV Review

!±8± Toshiba 55WX800 55-Inch 3D LED TV Review

A good way to know the attributes of 3D TV products is reading 3D TV reviews. Reviews will help you learn what you can experience in a particular product such as the Toshiba 55WX800 55-Inch 3D LED TV.

Toshiba, the leader in the consumer electronics industry globally offers its new High Definition TV, the Toshiba 55WX800 1080p 240 Hz Cinema Series 3D LED TV. This model offers a 55 inch screen HDTV that offers great performance in playing 3D video content.

This unit was built by means of the LED television technology as well as the refreshing rate of the television is 240 Hertz that continued to amaze viewers. The 3D glasses come with the television and this will enable you to get full real life experience that the 3-dimensional television can offer.

By way of reading 3D TV reviews, you familiarize yourself of what to explore and what to expect from the television. It also includes wireless adapter and this acts as the medium in order for the user to connect and access the internet. It has Net Service that allows you to simply browse on the internet through the television. Now you can check your email, share with friends, connect and even chat with them without turning on your personal computers. You can enjoy all of these activities on a wide and big screen so every detail is not overlooked. This model also includes the video processor which offers an ability to increase the level of graduation and this provides the user with smoother, vivid and sharp image displays.

The video processor is known as the pixel pure 5G 14 bit and this showcases clearer frames as well as smooth videos that you can see right on the screen. This is made possible through the vivid frame 240 Hertz technology. Frame numbers decoded by the television is 240 frames per second. If you would make a comparison of this to other LED TVs, you will come to realize that other televisions only shows 25 percentage performance.

This new model of HD TV from Toshiba includes a built-in digital tuner that has the ability to receive ATSC as well as OAM signals. It also includes integrated speakers that can support Dolby and the Dolby plus audio and can give users with great quality audio. Users may also take advantage of DLNA technology and this gives them the chance to set up small network in their own living room along with other DLNA compliant devices. You will be able to display the content from the other devices on the television.

USB ports are also available which makes it simple for you to connect USB storage media and to play the same contents on the television. You can find 4HDMI ports, 2 USB, 1 PC input, 1 composite video and 1 digital audio. With all of the exciting features that this model offers, you can truly say that it is one of the best 3D TVs available today.

3D TV reviews are great tool for anyone who needs to be informed on the specifications and features that a product can offer especially now that 3D TVs are becoming big hit in the market.


Toshiba 55WX800 55-Inch 3D LED TV Review

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