Repairing a projector can be done with a few common tools.
Projectors are devices used in some dedicated home theaters as a video source. These units can be very expensive, and repairing is usually more economical than replacing. Also, most projectors require routine maintenance causing users to eventually learn repair certain parts after they have become worn or obsolete. Repairing a projector takes a few common tools and can be done by users with little to no experience.
Instructions
1. Remove the projector from the ceiling mount if necessary. Place the projector on a surface upside down to access the disassembly screws. Use a phillips or slot-head screwdriver to remove the screws and remove the projector's casing.
2. Flip the unit right-side up and locate the projector headlamp. Remove the lamp by unscrewing any mount screws and pulling the unit out of the slotted port. Dispose of the lamp properly; they typically have a high levels of mercury. Install a recommended lamp replacement and secure the lamp mount back into place. Use the canned air to remove loose dust from the unit.
3. Locate the main exhaust fan, typically found in the front or rear of the unit. Remove any screws securing the fan to the projector's casing and unhook the molex power adapter. Replace the exhaust fan with a manufacturer-recommended fan and install into place. Use the canned air to blow any loose dust outside of the unit after installation.
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