66
- ENGLISH
Maintenance
Troubleshooting
Please check following points. For details, see the corresponding pages.
Problem
Cause
Reference
page
Power does not turn
on.
The power cord may not be connected.
—
No electric supply is at the wall outlet.
—
The circuit breakers have tripped.
—
I
s the <LAMP> indicator, <ON(G)/STANDBY(R)> indicator, or <WARNING
> indicator lit or blinking?
27, 61
The lamp cover has not been securely installed.
65
No picture appears.
The video signal input source may not be connected to a terminal
properly.
25
The input selection setting may not be correct.
33
The [Brightness] adjustment setting may be at the minimum setting.
46
The input source which is connected to the projector may have a
problem.
—
The [AV mute] function may be in use.
35
The picture is fuzzy.
The lens focus may not have been set correctly.
31
The projector may not be at the correct distance from the screen.
22
The projection window may be dirty.
14
The projector may be tilted too much.
—
The color is pale or
grayish.
[Color] or [Tint] adjustment may be incorrect.
46
The input source which is connected to the projector may not be
adjusted correctly.
—
RGB cable is damaged.
—
No sound from the
internal speaker
The input terminals may not have been correctly connected.
25
The volume may have been set to the minimum level.
35, 52
The [AV mute] function may have been turned on.
35
When the AUDIO OUT is plugged-in, the projector's built-in speaker is
not available.
19
The [Mute] function may have been turned on.
36, 52
The remote control
does not operate.
The batteries may be weak.
—
The batteries may not have been inserted correctly.
20
The remote control signal receptor on the projector may be obstructed.
17
The remote control unit may be out of the operation range.
17
Strong light such as fluorescent shine onto the signal receptor.
17
When different codes are set on the projector and on the remote contro
l
.
57
The control buttons
of the projector do
not operate.
The control panel is not available if the control panel is locked at [Key
lock] under [Security] of [Setting] section.
57
The picture does not
display correctly.
There may be a problem with the VCR or other signal source.
A signal which is not compatible with the projector is being input.
—
73-76
Picture from a
computer does not
appear.
The cable may be longer than the optional cable.
—
The external video output from a laptop computer may not be correct.
—
