The often replaced product in projector is bulb. Replacing the lamp or projector bulb is really easy. The actual problem lies in selection of projector bulb. The following information may help you to select proper bulb.First and foremost, determine what type of projector bulbs your projector requires. You may be able to purchase either Halogen or Metal Halide bulbs, depending on the type of projector you have.

The two main bulb types for LCD based equipment are Halogen and Metal Halide. The main differences between these two bulb types are:

• Halogen bulbs are more inexpensive than Metal Halide bulbs. Halogen bulbs typically cost about $75 (perfect for gifts), whereas Metal Halide bulbs can cost as much as $300

• Halogen bulbs differ from Metal Halide bulbs in lighting effects, Halogen bulbs display a yellowish tint on displayed images, whereas Metal Halide bulbs display a white tint to displayed images.

• Halogen bulbs are more affordable than Metal Halide bulbs. Halogen bulbs typically cost about $75 (perfect for gifts), whereas Metal Halide bulbs can cost as much as $300.

• Halogen bulbs differ from Metal Halide bulbs in lighting effects, Halogen bulbs display a yellowish tint on displayed images, whereas Metal Halide bulbs display a white tint to displayed images.

• Metal Halide bulbs will fade before burning out, but Halogen bulbs will completely burn out when the end of their useful life has been reached.

• Metal Halide life is more when compared to Halogen bulbs. Halogen bulbs typically last about 70 operating hours, whereas Metal Halide bulbs typically last over 1,000 operating hours.

• Halogen bulbs are based on older technology, whereas Metal Halide bulbs are based on newer technology.

So the above factors suggest that Metal Halide bulbs are superior to Halogen bulbs. The decision to purchase which bulb is really a matter of initial price of the product.

Article source: http://www.projectorlampshelp.com/projectorbulbs.html

Projector Lamp Warranty

Warranties differ between manufacturers so check with users manual. If you do not have users’ manual, request through websites. There are many websites which provide user manuals if you request. Normally the warranty is 60 or 90 days from the date you buy with receipt.

Projector Lamp Life Expectancy

Older projector lamps last roughly one thousand hours. Newer multimedia projectors last double the time when compared to older projector lamps. Few multimedia projectors can last even up to four thousand hours.
There are two different lamp ratings in their specs. The lower number is the projector lamp life expectancy under normal use. There are also a higher number of hours offered if you use the projector in Eco-mode.

Keep away from unsafe climates

Keep away from extreme cold conditions. When projector lamp is exposed to 40 degree or below it may explode if you turn on immediately. Allow the projector to warm to room temperature before turning on the projector so that you can avoid the dangerous scenario of an exploding projector lamp.

Discard the lamp properly

Some projector lamps contain mercury. Some states have laws that require projector lamps to be disposed of as a hazardous material if they contain mercury. Check with your audio-visual sales associate to find out what the projector lamp disposal laws are for your state.

Avoid disturbing projector

Don’t disturb your projector when it is in switched on state, this may also lead to shorten your lamp life and at the worst, it could cause the projector lamp to burst.

Article Source: http://www.avpartner.com/tips_lamps.aspx

If you have a projector it is obvious that the lamp may need replacement. Any time your projector may start flashing light, then its time to replace the lamp.These are some simple steps to replace the lamp so that you can enjoy your projector or TV without interruption.

Step 1

Make sure that the projector is switched off. Then remove the power cord from the unit completely.

Step 2

Remove the panel using screwdriver. Make sure that you do not damage the projector. It’s better to use Micro fiber cleaning cloth.

Step 3

Open the lamp section door. It’s located underneath the projector unit whereas in rear Projection TVs, the lamp section should be located in the rear towards the bottom left or right side of the TV. 2-4 screws will be holding the section in place. Remove the 2-4 screws which hold the lamp section and the lamp section door.

Step 4

Remove and pull up the lamp assembly. Then make sure that you do not get confused with the new and the old lamp.

Step 5

When projector is open there are chances of getting dust. Have a micro fiber cloth beside you.

Step 6

Insert the new lamp with out changing the orientation and reconnect the cables.

Step 7

Replace the lamp section door back into the place and carefully screw without screwing it tightly.

Note:

Always have a backup lamp in case the light go out unexpectedly.

Source Article: http://www.ehow.com/video_2203640_replace-projector-lamp.html