ViewSonic PJ1158-1, Service Manual

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NOTE
• Please reset the lamp time only when you have replaced the lamp, for a suitable indication about the lamp.
Replacing the Lamp
A lamp has a fi nite product life. Using the lamp for long periods of time could cause the pictures darker or
the color tone poor. Note that each lamp has a different lifetime, and some may burst or burn out soon after
being started using.
1. Turn the projector off, and unplug the power cord. Allow the projector to
cool for at least 45 minutes.
2. Prepare a new lamp.
3. Loosen the screw (marked by arrow) of the lamp cover and then slide the
lamp cover to the side to remove it.
4. Loosen the 3 screws (marked by arrow) of the lamp, and slowly pick up the
lamp by the handles.
5. Insert the new lamp, and retighten
fi rmly the 3 screws of the lamp that are
loosened in the previous process to lock it in place.
6. Slide the lamp cover back in place and
fi rmly fasten the screw of the lamp
cover.
7. Turn the projector on and reset the lamp time using the LAMP TIME
function in the OPTION menu.
(1) Press the MENU button to display a menu. Only when the EASY MENU
has appeared, please perform the next step (2).
(2) Point at the “Go to Advanced Menu …” in the menu using
▼ / ▲ button,
then press the ► button.
(3) Point at the “OPTION” in the left column of the menu using ▼ / ▲ button,
then press the ► button.
(4) Point at the ”LAMP TIME” using ▼ / ▲ button, then press the ► button. A
dialog will appear.
(5) Press the
▲ button to select “RESET” on the dialog. It performs resetting
the lamp time.
The lamp cover
The handles
ViewSonic Corporation
Co
nfidential - Do Not Copy PJ1158-1
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