Viewsonic PJ750 Manual De Usuario
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ViewSonic PJ750
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Maintenance
Projector Lamp
Lamp Unit
• To order a new lamp unit (part number) contact ViewSonic
• To order a new lamp unit (part number) contact ViewSonic
Customer Support.
• Estimated lamp life is 1500 hours.
WARNING:
Make sure the power cord is disconnected and the unit
is cool. Wait 45 minutes for the lamp to cool down.
Figure 7: Lamp Replacement
Replacing the Lamp
1
Gently turn the projector over and place it on a towel or blanket.
Expose the lamp cover on the bottom of projector.
Expose the lamp cover on the bottom of projector.
2
Loosen the lamp cover screw as shown.
3
Gently remove the cover.
4
Loosen the lamp unit screws (after the cover is removed).
5
Gently pull the unit out of the lamp compartment using the flip-
up handle grip.
up handle grip.
6
Gently insert the new lamp.
7
Replace the lamp unit screws.
8
Replace the cover and secure with the lamp cover screw.
Resetting the Lamp Timer
After replacing the lamp, the lamp LED lights a steady red and the
“Change the Lamp” message displays.
After replacing the lamp, the lamp LED lights a steady red and the
“Change the Lamp” message displays.
Within 10 minutes after turning on the power do the following:
1
Press (and hold for three seconds) the Reset button on the
projector control pad. The “Lamp hours” message displays on the
bottom of the screen.
projector control pad. The “Lamp hours” message displays on the
bottom of the screen.
2
Press the Reset button on the projector control pad while the
lamp timer is displayed.
lamp timer is displayed.
3
Use the direction arrows to select zero (0) and wait until the
Lamp timer display clears.
Lamp timer display clears.
Important: The message functions will not operate properly if the
lamp timer is reset without replacing the lamp or the lamp timer is
not reset when the lamp is replaced.
lamp timer is reset without replacing the lamp or the lamp timer is
not reset when the lamp is replaced.