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50
ENGLISH
Troubleshooting
Conrmthefollowingproblemandcause.
If the suggested solutions do not solve the problem, contact an Authorized Service Center.
Problem Cause Page
Power does not turn
on.
The power cord may not be connected securely.
z
No electric supply at the wall outlet. z
The circuit breakers have tripped. z
TEMP z or LAMPindicatorislitorashes.
The lamp unit cover has not been securely installed. z
CONTROL PANEL z in the PROJECTOR SETUP menu is invalidated.
20
45
48
44
No picture appears.
The lens cover is not removed.
z
The input terminal may not be connected properly. z
The input selection setting may not be correct. z
The z BRIGHTNESS adjustment setting may be at the minimum setting.
The signal input source may not be operating properly. z
The z AV MUTE function may be in use.
18, 19
24
30
25
The picture is fuzzy.
The lens focus may not have been set correctly.
z
The projector may not be at the correct distance from the screen. z
The lens may be dirty. z
The projector may be tilted too much. z
24
16
46
24
Color is pale or
grayish.
COLOR
z or TINT adjustment may be incorrect.
The input source which is connected to the projector may not be z
adjusted correctly.
31
No sound can be
heard from the internal
speaker.
The audio signal source may not be connected properly.
z
The volume adjustment may be at the lowest possible setting. z
A cable may be connected to the z AUDIO OUT terminal.
18, 19
26, 40
14
The remote control
does not operate.
The batteries may be weak.
z
The batteries may not have been inserted correctly. z
The remote control signal receptor on the projector may be obstructed. z
The remote control unit may be out of the operation range. z
REMOTE CONTROLLER z in the PROJECTOR SETUP menu is
invalidated.
Theremotecontrolisunderastronglightsuchasuorescent. z
15
15
15
44
15
The control buttons of
the projector do not
operate.
CONTROL PANEL
z in the PROJECTOR SETUP menu is invalidated.
(If you have a loss of the remote control while the CONTROL PANEL
is invalidated, press and hold [MENU] for 2 seconds by pressing
[ENTER].)
44
The picture does not
display correctly.
The signal format (
z TV-SYSTEM, RGB/YP
B
P
R
) may not have been set
correctly.
There may be a problem with the VCR or other signal source. z
A signal which is not compatible with the projector is being input. z
31, 32
52
Picture from a
computer does not
appear.
The RGB signal cable is too long. (Limit to 10 m (32' 10").)
z
The external video output from a laptop computer may not be correct. z
(You may be able to change the external output settings by pressing
the [Fn] + [F3] or [Fn] + [F10] keys simultaneously. The actual method
varies depending on the type of computer; refer to the documentation
provided with your computer for further details.)
36
The projector cannot
be controlled through
serial terminal.
EMULATE
z in the PROJECTOR SETUP menu is not set correctly.
(If you fail to select your product series, ask your dealer for repair.)
40
References
50


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