How to Replace a Bulb in a Big Screen TV

If you notice slight disturbances in the images of your big screen TV, it is better to check the bulb before calling for professional help. Chances are that the bulb needs a replacement and this can be easily done with some basic tools. The bulb within a big screen TV is among its most critical components, affecting the TV’s overall picture quality. The bulb is the source of light and is easy-to-replace. Usually, bulbs don’t malfunction and are meant to last for years. However, with sustained usage, they are prone to wearing-out. For replacing the bulb of your big screen tv, use the following information.

Step 1—Getting Started: Basic Precautions and Disengaging Big Screen TV

Switch-off the power supply to the TV. Ensure that your remove all the connecting wires. Remove the cable connections to the TV. Unplug all the media devices and any nearby power cords that might get entangled during the project. Allow the TV to cool down. This usually takes a few minutes. Prepare yourself with rubber gloves. After some time, touch the back cover of the TV. If it is not hot, you can proceed.

Step 2—Desembling Big Screen TV and Removing Bulb

You need a standard screwdriver for dissembling the back side of the TV. Most big screen televisions have a tightly-packed back cover secured with screws. The screws are located along the sides and bottom end of the back cover. You might need to turn the TV to one side during the unscrewing. For this, call someone to help you for maneuvering the TV.

Remove the back cover and keep it separately. The light bulb is easy-to-locate. Identify the housing unit within which the bulb is secured. Use a screwdriver to unscrew the bulb from its position. While unscrewing the bulb, take care to protect your hand. The bulb retains the heat for a much longer period than other parts of the TV. If your gloves are thin, you can cover the bulb with a dry cloth to unscrew it.

Step 3—Procuring New Big Screen TV Bulb

Take the removed bulb to an electrical supply store to find an exact replacement. Ensure that you buy a bulb with the same wattage and size traits. Usually, big screen TV bulbs are sold with warranties described in terms of hours of viewing. This can be anywhere between 5,000 and 10,000 hours which translates into a few years.

Step 4—Cleaning Inside of Big Screen TV

This is also the time that you perform a basic cleaning to ensure a longer life for the new bulb and other, big screen TV components. Use a microfiber cloth to clean the bulb’s housing unit and surrounding parts that are prone to be covered with dust and grime that eventually get impacted upon the bulb. You can also use a dedicated TV component cleaner. However, never use harsh detergents or soaps.

Step 5—Securing New Big Screen TV Bulb

Secure the bulb in its dedicated position. Tighten the housing unit with the screwdriver. Secure the back cover and tighten its screws. Reattach the media devices and electrical cords. Plug-in the big screen TV and check its picture quality.