Toshiba Projector Tdp P3 Us User Manual

27
Lamp hours used
Indicates how many hours the current lamp has been in use. The 
counter starts at zero hours and counts each hour the lamp is in 
use. Change the bulb when the brightness is no longer accept-
able. See “Replacing the Projection Lamp” on page 29 for details.
Computer resolution 
Shows your computer ’s resolution setting. To change this, go to 
your computer ’s Control Panel and adjust the resolution in the 
Display tab. See your computer ’s user ’s guide for details.
Horizontal refresh...

28
Using the Projector 

29
MAINTENANCE & TROUBLESHOOTING
This section describes how to:
clean the lens
replace the projection lamp 
replace the batteries in the remote
use the security lock feature
troubleshoot the projector
Cleaning the Lens
Follow these steps to clean the projection lens:
1Apply a non-abrasive camera lens cleaner to a soft, dry cloth.
Avoid using an excessive amount of cleaner.
Abrasive cleaners, solvents or other harsh chemicals might 
scratch the lens.
2Lightly wipe the cleaning cloth over the lens...

30
Maintenance & Troubleshooting
4Pull the lamp door up and remove it.
WARNING: Be extremely careful
when removing the lamp module.
In the unlikely event that the bulb
ruptures, small glass fragments
may be generated. The lamp
module is designed to contain
these fragments, but use caution
when removing the lamp module.
F
IGURE 20
Removing the lamp door
CAUTION: Never operate the
projector with the lamp door open
or removed. This disrupts the air
flow and causes the projector to
overheat.
5Loosen the two...

31
6Lift and grasp the pull tab and lift the module out (Figure 22). 
Dispose of the lamp module in an environmentally proper 
manner.
FIGURE 22
Removing the lamp module
WARNING: Do not drop the 
lamp module or touch the glass 
bulb! The glass may shatter and 
cause injury.
7Install the new lamp module, being sure to align the connec-
tors properly.
8Push the module in until it is flush with the bottom case of the 
projector.
9Tighten the screws on the outside of the module. 
10Replace the lamp door by...

32
Maintenance & Troubleshooting
Replacing the Batteries in the Remote Control
The life of the 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 of opera-
tion.
Follow these steps to replace the batteries:
1Turn the remote face down in your hand.
2Slide the battery cover off the end of the remote.
3Remove the old batteries and dispose of them in an environ-
mentally proper manner.
4Install...

33
Troubleshooting
Problem: Nothing on projection screen
Make sure that the power cord is properly connected to a fully 
functional AC electrical outlet. Make sure that the power cord 
is also properly connected to the projector.
If the projector is plugged into a power strip, make sure the 
power strip is turned on.
Make sure you have removed the lens cap on the projection 
lens at the front of the projector.
Make sure the lamp is switched on.
Check the projector ’s lamp to ensure that it is...

34
Maintenance & Troubleshooting

You might need to turn everything off and power up the 
equipment again in the proper order. Refer to your com-
puter ’s documentation to determine the correct order.
Make sure your computer ’s external video port is turned on. 
See the “Portable Computer Activation Chart” on page 40 or 
your computer ’s manual for details.
Make sure your computer ’s video board is installed and con-
figured correctly.
Make sure your computer has a compatible video board. The...

35
Problem: Image is out of focus
Turn the projection lens to focus the image.
Make sure the projection screen is at least 5 feet (1.5 m) from 
the projector.
Check the projection lens to see if it needs cleaning.
Problem: Image and menus are reversed left to right
Rear projection mode is probably turned on. Turn Rear Projec-
tion off in the Controls menu. The image should immediately 
return to forward projection. See “Rear Projection” on 
page 24.
Problem: the projector displays vertical lines,...

36
Maintenance & Troubleshooting
Problem: Projected colors don’t match the computer or video 
player’s colors
Just as there are differences in the displays of different moni-
tors, there are often differences between the computer image 
and the projected image. Adjust the brightness, tint and/or 
contrast from the Display menu. See “Brightness” on page 19, 
“Tint” on page 19 and “Contrast” on page 19. 
Problem: Lamp seems to be getting dimmer
The lamp begins to lose brightness when it has been in use...