Panasonic PT-D4000U Operating Instructions - Page 53

Lamp unit replacement steps Turn the power off by following the steps on page 23, remove the power plug and confirm that the surroundings of the lamp unit have cooled off. Check that the fan has stopped running. Have a Phillips screwdriver ready ahead of time. Remove the screw securing the lamp unit cover, and then slide the lamp unit cover a little toward the left, and remove it. Lamp unit cover Lamp unit 2 Lamp unit Fixing screws Remove the two screws securing the fan unit. Note • The lamp units are constructed so that the screws in step do not fall through completely. Open the fan unit as shown in the figure. Handle Lamp unit 1 Caution The lamp unit will be hot after it has been used. You might get burned if you touch it while it is still hot. Remove the screws securing the lamp units (two for each unit), take hold of the handles, and remove the lamp units. Install the new lamp unit. Use a Phillips screwdriver to securely tighten the 2 lamp unit fixing screws (two for each unit). Secure the two screws for securing the fan unit tightly. Slide the cover a little toward the right, and secure it using the screw for securing the lamp unit cover tightly. Attention • Firmly install the lamp unit and lamp unit cover. If not installed firmly, a protection circuit will function and the power will not be turned on. 53