Make certain you have read the Panasonic PT-D7700U Projector manual thoroughly before attempting the Panasonic PT-D7700U Projector bulb replacement on your Panasonic PT-D7700U Projector. Without touching the surface of the Panasonic PT-D7700U Projector lens, remove the lens tube and set it aside. Write down the number from inside the tube's inner lip for the purpose of make, model or serial number for any future need to buy Panasonic PT-D7700U Projector replacement parts. Your bulb should be sitting just beyond the opening of the Panasonic PT-D7700U Projector body. Reach in with two fingers and disconnect the Panasonic PT-D7700U Projector bulb. Reverse these steps to re-assemble your Panasonic PT-D7700U Projector. This concludes the Panasonic PT-D7700U Projector review - be sure to read the entire Panasonic PT-D7700U Projector manual.