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Projection TV- The Big Size Picture! The dominance of LCD Televisions, Home Theatres and other enormous technology ruled the world and were of a real luxury. But in the last few years many people started aiming for big and wanted to watch their favorite Programmes in a much bigger versions and bigger screens as well.

There came the existence of the Projection TV which changed the entire technological view of the Television era. The best advantage of these Projection TVs is you can view the picture in a much bigger version and can give you a theatre effect. Old is gold but new is fresh!

There are many types of Projection TVs available in the market and one among these are the Rear Projection TVs. The main concept of these TVs is they display images back of the screen rather than displaying them in the front.

Price wise we can say that these are affordable and performance wise are high. These Rear Projection TVs are also widely available in three different systems which are the popular ones in the market [CRT, LCD and DLP].

These CRT based Rear Projection Televisions are enabled with high definition technology wherein it can display the picture in any given resolution and with a good clarity as well. These kinds of Rear Projection TVs are less expensive to manufacture but these have some limitations as well. As these are developed with three Projection Tubes, if any one of them fails then you got to replace all the three. So, eradication of these disadvantages is the entrance of the new technology of LCD Rear Projection TVs into the market.

These are the advanced versions of Projection Televisions which has enhanced high definition features of crystal clear picture. The main feature here is it has a small LCD chip which is made up of Individual pixels which has the moving image and that will be projected through a magnifying lens, and to a mirror which reflects the image to a screen. It is also equally important to have a good screen or a nice painted wall so that you can enjoy and get the best of it. Even though these LCD Rear Projection Televisions can't be wall mounted, but you can still save a lot of floor space and cost wise it is lesser to that of LCD / Plasma TV Sets. And moreover, these consume less power and have high contrast and brightness capabilities.

The other type is DLP (Digital Light Processing) Rear Projection TVs in which the same chip concept is used, but these come with the reflexive capabilities and thus called Digital Micro mirror Device. The DLP technology is much more enhanced and the latest technology and these are also widely used in many of the Film Theatres. Issue - Fix When we have these electronic items, it is obvious that there can be small issues which are mostly fixable. Likewise we have some troubleshooting steps for these Projection TVs if any of the function stops functioning. Most of the electronic items definitely come up with the User's guide

Step 1: First and foremost step in Projection TV Troubleshooting should be followed from the User's Guide.

Step 2: Refer the User's Manual to find out the diagram of the TV Circuit.

Step 3: Once you have identified the Circuit, you need a flathead screwdriver to remove the back shell. You would also need a digital multimeter to test the circuits.

Following are some of the common issues among these Projection TVs and the right steps are to be followed in Projection TV Troubleshooting-

  • Blurred Picture -Mostly loose connections

  • Intermittent Shut down - Normally Overheating. Check if you have any heat-emitting substances and remove them.
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