Hitachi PJ-TX100 Service Manual page 24

Replacing the Lamp
If the indicators or a message prompts you to replace the lamp, replace the lamp as soon as possible.
1. Turn off the projector, and unplug the power cord. Allow the lamp bulb to cool for at least 45 minutes.
2. Contact your dealer to prepare a new lamp. Tell the dealer your lamp type number: DT00661.
If the projector is mounted on the ceiling, or if the lamp has broken, also ask the dealer to replace the lamp.
In the case of replacement by yourself,
3. After making sure that the projector has cooled adequately, slowly
flip over the projector, so that the bottom is facing up.
4. Unscrew the screw (marked by arrow) of the lamp cover, the slide
and take the lamp cover up.
5. Unscrew the 2 screws (marked by arrow), and slowly pick up the
lamp by the handles.
6. Insert the new lamp, and retighten firmly two screws unscrewed in
the previous process to lock it in place.
7. Slide the lamp cover into place, and retighten firmly the screw of the
lamp cover unscrewed in the process number 4.
8. Turn on the projector power, and reset the lamp timer.
(1) While the projector running, press the MENU button to open the
menu. If EASY menu appears, move to ADVANCE menu.
(2) Choose the "OPTION" on the menu using the ▲/▼ button, then
press the ► button or ENTER button.
(3) Choose the "LAMP TIME" using the ▲/▼ button, then press and hold the RESET button for 3 seconds.
(4) Choose the "RESET" using the ▲ button.
NOTE • When the lamp has been replaced after the message of "THE POWER WILL TURN OFF AFTER
0hr." is displayed, complete the following operation within 10 minutes of switching power on.
• Incorrectly resetting of the lamp timer (resetting without replacement, or neglect of resetting after replace-
ment) will result in incorrect message functions.
PJ-TX100(C11H)
24
Bottom side
Lamp cover
Screw of the lamp cover
Screw
Screw
Handles