Question about Mitsubishi WD-57732 Projection Television
Hi! It's perfectly safe! Just be sure to always wait an hour or preferebly more before doing this, and unplug the tv! On a DLP tv such as this there is a hatch with two phillips screws holding the cover on for the bulb assembly. Remove them 2 screws. Remove the cover and you will see two thumbscrews that may need extra help from a screwdiver as they may be too tight. Now put on a pair of vinyl or rubber gloves and pull the lamp cartridge absolutly straight out with no twist motion!. Glass lamp section will potentially fall if you do. Place the cartridge on a flat surface and find the 3 tabs on the lamp unit and carefully pry them off. Inside, take out the 4 screws and the mounting brackets holding bulb. At this point you can clean out dust inside the lamp box. Next take out the old bulb, put the new one in (be sure to use the gloves installing new bulb or else any finger oil will cause the bulb to fail when it gets hot) and reverse steps to close.
Posted on Nov 14, 2008
SOURCE: mitubishi WD-57732
I'm assuming that you already have the housing out of the TV. If not remove the lamp cover panel (two phillips screws), Locate and unscrew the two chromed flat blade screws that hold the module in place and gently pull the housing out. Now locate the three locking tabs on the housing. There is a large one on the bulb face side, and two smaller ones on the mesh screen side near the handle end. Using a thin bladed screw driver, slide it under the curved edge next to each of the small tabs and gently pry up to pop the side cover off of the tabs. Rotate the back cover (three sided) so that the small tabs come clear of the rectangular holes in the cover. (It should pivot on the third tab). Now use the screw driver to gently pry the U shaped clip off and over the third tab. Once all three tabs have been released the back half should just slide back and off the front half. Reassembly is basically just sliding the back cover back on until the tabs lock into place. While the bulb is out blow all the dust out of all THREE screens (there is a small one next to the greyish metal plate).
Replace the bulb by removing all the internal screws necessary to release it from the housing, noting how everything goes back together, including which wire goes to which terminal (If your bulb does not come with new wires you'll have to swap them to the new bulb), and where the "UP" marking on the bulb goes. Drawing a picture or better yet taking a few pictures is a good idea. When installing the new bulb do not touch the bulb with your bare hands (use latex gloves). Supposedly the skin oils can cause the bulb to fail prematurely. Finally make sure that the wires do not touch the bulb and are as far away from it as possible after it is back together, if necessary open it back up and bend the wires to reposition them.
Posted on Dec 21, 2008
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