Toshiba TDP-P4 User Manual
Page 36
34
M
a
i
n
t
e
n
a
n
c
e
&
T
r
o
u
b
l
e
s
h
o
o
t
i
n
g
Problem: the projector displays vertical lines, “bleeding” or
spots
•
Adjust the brightness. See “Brightness” on page 17.
•
Check the projection lens to see if it needs cleaning.
Problem: Image is “noisy” or streaked
Try these steps in this order.
1
Deactivate the screen saver on your computer.
2
Turn
Auto Image
off and then back on again. See “Auto
3
Turn
Auto Image
off and adjust the synchronization and track-
ing manually to find an optimal setting. See “Manual Sync”
on page 20 and “Manual Tracking” on page 20.
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 17,
“Tint” on page 18 and “Contrast” on page 18.
Problem: Lamp seems to be getting dimmer
•
The lamp begins to lose brightness when it has been in use for
a long time. Replace the lamp as described in “Replacing the
Projection Lamp” on page 27.
Problem: Lamp shuts off
•
A minor power surge may cause the lamp to shut off. Unplug
the projector, wait at least a minute, then plug it back in.
•
Make sure the vents are not blocked.
The most current troubleshooting information (including web-
based and other electronic technical support) is available at
Toshiba’s Service and Support website at
support.toshiba.com.
Before calling your Toshiba dealer for assistance, please have the
following information available:
•
the projector’s serial number (located on the bottom label)
•
the resolution of your computer.