InFocus Projector Lp580b User Manual

Maintenance
48LitePro 580 User’s Guide
Cleaning the remote control
Avoid getting dirt, dust or hand lotion on the remote’s trackball. If 
the trackball gets dirty, it will not work properly. Follow these steps 
to clean the trackball and the remote control.
1.Turn off the projector.
2.Using 2 pointed objects, such as pens, remove the trackball cover. 
Put the pointed ends into the two holes in the trackball cover.
3.Turn the cover counter-clockwise about one-half turn until it 
comes off.
4.Remove the...

Maintenance
LitePro 580 User’s Guide49
Cleaning the fan intake filter
The fan intake filters on the bottom and top of the projector catch 
dust and particles in the air. If a filter becomes clogged, the projector 
will not cool properly and may malfunction. To prevent this, clean the 
filters after every 100 hours of use.
To clean the filter:
1.Turn off the power and unplug the power cable.
2.Remove the filter.
• Carefully place a screwdriver against the indented part of the 
filter and lift.
3.Clean the...

Maintenance
50LitePro 580 User’s Guide
Replacing the projection lamp
If the lamp fails to come on and the lamp monitor on the projector 
lights in red, you must replace the bulb. Be sure to replace it with 
another metal halide lamp.
You can order replacement lamps from In Focus. Refer to “Order 
information” on page 66 for information.
Follow these steps to replace the lamp module.
1.Turn off the projector and unplug the power cord. Allow the 
projector to cool thoroughly.
Allow the LitePro to cool for...

Maintenance
LitePro 580 User’s Guide51 Do not drop the lamp module or touch the glass 
bulb! The glass can shatter and cause injury.
4.Fit the new lamp in place.
• Align the lamp in the correct direction.
• Lightly press on it until it touches bottom.
• Tighten the two screws.
5.Replace the lamp cover.
• Reposition the cover in place. 
• Replace the screws and tighten them.
Never operate the LitePro with the lamp cover open 
or removed. This disrupts the airflow and causes the 
LitePro to overheat. 

Maintenance
52LitePro 580 User’s Guide
Replacing batteries in the remote control
The life of the remote batteries depends on how often and how long 
you use the remote. Symptoms of low battery charge include erratic 
responses when using the remote and a reduced range where the 
remote works.
Follow these steps to replace the batteries.
1.Slide the battery cover off the end of the remote.
2.Remove the old batteries.
3.Install two new AAA alkaline batteries. Make sure each is 
installed in the correction...

Maintenance
LitePro 580 User’s Guide53
Replacing the fuse
A power surge or spike can blow the power supply fuse and cause 
the LitePro to stop working. If this happens, you’ll need to replace the 
fuse.
Use only the specified power supply fuse. Using a 
different fuse may cause serious damage to the 
LitePro.
The correct fuse for your LitePro is a 6.3A. 250V. T. 5x20 mm fuse.
Follow these steps to replace the fuse.
1.Make sure that the condition that caused the fuse to blow no 
longer exists.
2.Turn off...

Maintenance
54LitePro 580 User’s Guide
4.Remove the blown fuse from the fuse holder.
5.Push the new fuse into the clips of the holder until it is securely 
seated.
6.Place the fuse holder back in position. 

LitePro 580 User’s Guide55
Troubleshooting
Do not open the LitePro case!
Opening the case may cause electric shock! 
Except for the projection lamp, there are no user-
serviceable parts inside. If you are having problems 
with your LitePro, read through this section. Call In 
Focus Technical Support if necessary. They will refer 
you to an In Focus Authorized Service Provider if 
your projector needs repair. 
Before you call for assistance
Before calling your dealer for assistance, follow these steps in...

Troubleshooting
56LitePro 580 User’s Guide
Common problems and solutions
Problem: Projector doesn’t turn on
• Make sure power cord is plugged in firmly.
• Make sure projector is plugged in a live AC outlet or power 
strip.
• Check to see that the projector is not too hot to operate and 
that the temperature monitor light is not orange.
• If the projector lamp was replaced, make sure the new one is 
fitted correctly and the lamp door is properly fastened.
• Check the fuse to see if it has blown.
Problem:...

Troubleshooting
LitePro 580 User’s Guide57
Problem: Poor color
• Adjust Brightness.
•Adjust Color.
•Adjust Tint.
• Adjust Red, Green, and Blue.
• Use a shorter cable between video source and the projector.
• Verify that the projector is set to receive the appropriate video 
broadcast format.
Problem: Only the test pattern is displayed
• Verify all cable connections. Check to see that the cable is 
connected to the graphics/monitor port on the computer. 
• Check that your computer graphics system is set...