Big Screen TV Parts: How To Replace The Lamp
For owners of large screen televisions, it is important to realize that one of the big screen TV parts that need additional care would be the projector lamps, or sometimes referred to as bulbs.
Although there are a number of other important components of large screen televisions, there is no doubt that projector lamps are considered as one of the most costly. In order to lessen the cost of replacing the bulbs, it is important to learn how to do it without the services of professional technicians.
Large screen television technology is not new. In fact, there are many different types of screen technologies that have been developed since the 1990s, but among these only the LCD (Liquid Crystal Display), PDP (Plasma Display), and DLP (Digital Light Processing) have been released to the consumer market.
It is safe to say that they have to a certain degree successfully displaced CRT (Cathode Ray Tube) technology from its position in the television market. In order to replace the projector lamps in big screen TV sets, use the following steps.
- Safety precautions while disengaging the big screen TV.
It is important to understand when replacing big screen TV parts that every safety precaution should be undertaken. This holds true not only for the projector lamps, but for virtually any internal component of the big screen TV. The best way to ensure safety is to switch off the unit and disconnect the power cord from the electrical socket. This will ensure that no electricity is flowing in the circuits of the television.
Make sure to remove all wire connections including audio, video, gaming, and cable among others. You do not want these wires to be the cause of accidents when you replace the internal parts of the television. Make sure that there is ample room for movement by removing any other types of obstructions from the perimeter of the TV unit. Also ensure that the unit is placed on a stable surface to prevent unnecessary movements.
Allow the big screen TV to cool down for a few minutes. Make sure that you have all your tools ready, and you are insulated by wearing rubber gloves to minimize the possibility of electric shock. Before proceeding, touch the back cover of the unit to ensure that that temperature is cool enough to allow you to proceed with the replacement.
- Disassembling and removal of big screen TV parts.
Majority of big screen TV units require a standard screwdriver to disassemble the back panel. Make sure that the screwdriver is long enough because some of the screws may be embedded a bit deeper than others. Manufacturers normally make sure that the screws are secured to ensure that the back cover is tightly packed. This means you may need to exert a bit more effort before the screws actually turn. Take precaution not to wear out the thread or screw heads.
Normally the back panel has markings to indicate where the screws are located on the unit. Usually, most of the screws can be found along the sides as well as the bottom portion of the back cover. It may be necessary to turn the unit to one side as you attempt to remove all screws. This is where the stability of the working table comes into play. You may want someone to hold onto the unit as you remove all screws of the television.
Detach the back cover of the big screen TV and keep it in a separate location from the unit. Make sure that it is not in the way so that the back cover will not be damaged. Once the back cover has been removed, the projector lamps can be easily located where it is securely fixed. Slowly unscrew the projector lamps from the unit, taking care not to break it.
Protect your hand because the bulb normally retains the heat longer compared to other parts of big screen TV units. Use a dry cloth with your rubber gloves for optimum protection.
- Buying replacement projector lamps.
After successfully removing the bulb from the TV unit, bring it to any electrical supply to find an adequate replacement. It is necessary to bring the projector lamps to ensure that you are buying the right replacement part. The wattage and size of the part is normally taken into consideration. It is important to remember that when it comes to projector lamps, its warranty is commonly based on the number of viewing hours, which is normally from 5,000 to 10,000 hours.
When it comes to replacement of big screen TV parts, this is actually one of the biggest drawbacks because projector lamps can be relatively expensive. Typical replacements can be anywhere from $200 or more. On the average, the replacement of bulbs is anywhere from 3 to 5 years. A distinct disadvantage is that if one of the projector lamps go bad, it is necessary that all three are replaced as a set, not just the one that goes bad
- Clean the inside of the television unit.
You can take advantage of this opportunity to do some basic cleaning in the interior of the big screen TV. This will ensure that the replacement projector lamps will have a longer life. This also gives you the chance to remove any dirt and other obstructions on the components of the television unit. You have to exert additional caution to ensure that you do not damage other components in the process.
In cleaning the big screen TV parts, use a microfiber cloth. Take time to clean the housing for the projector lamps including the surrounding parts. These are usually prone to the accumulation of grime and dust, which over time can impact the bulb and degrade its performance. There are also commercially available TV component cleaners that can effectively do the job. Avoid using hard soaps or detergents that can damage the circuitry.
- Reinstalling and securing the replacement projector lamps.
After buying the correct type of replacement projector lamps, secure it into the right position. Use a screwdriver to tighten the screws while taking due notice not to over tighten them to avoid damaging the replacement part. Replace the back cover and secure it by tightening the screws. Make sure that all screws are tightened correctly. Reattach all the cords and other media you have disconnected previously.
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Make sure that the electric cord is the last one to be connected or plugged in. Turn on the big screen TV to ensure that it is working properly as well as check the quality of the picture. Make the necessary adjustments if possible to improve picture quality. Verify that other features of the unit are also functioning properly to finish the entire process.
These are basic steps that will allow you to correctly replace the projector lamps in big screen TV units. Keep in mind to contact a professional technician if you encounter problems while replacing big screen TV parts to avoid damaging the unit.