Filter
Top Products
ENGLISH -
71
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.
z
—
No electric supply is at the wall outlet.
z
—
The circuit breakers have tripped.
z
—
Is the <LAMP REPLACE> indicator, <POWER> indicator, or
z
<WARNING> indicator lit or blinking?
30, 65
The lamp cover has not been securely installed.
z
69
No picture appears.
The video signal input source may not be connected to a terminal
z
properly.
28
The input selection setting may not be correct.
z
38
The [Brightness] adjustment setting may be at the minimum setting.
z
49
The input source which is connected to the projector may have a
z
problem.
—
The [AV mute] function may be in use.
z
39
The picture is fuzzy.
The lens focus may not have been set correctly.
z
34
The projector may not be at the correct distance from the screen.
z
26
The lens may be dirty.
z
16
The projector may be tilted too much.
z
—
The color is pale or
grayish.
[Color] or [Tint] adjustment may be incorrect.
z
49
The input source which is connected to the projector may not be
z
adjusted correctly.
—
RGB cable is damaged.
z
—
No sound from the
internal speaker.
The input terminals may not have been correctly connected.
z
28
The volume may have been set to the minimum level.
z
36, 55
The [AV mute] function may have been turned on.
z
39
When the AUDIO OUT is plugged-in, the projector's built-in speaker is
z
not available.
23
The [Mute] function may have been turned on.
z
38, 55
The remote control
does not operate.
The ON/OFF switch on the remote control is set to “OFF".
z
The batteries may be weak.
z
—
—
The batteries may not have been inserted correctly.
z
24
The remote control signal receptor on the projector may be obstructed.
z
20
The remote control unit may be out of the operation range.
z
20
Strong light such as uorescent shine onto the signal receptor.
z
20
When different codes are set on the projector and on the remote contro
z
l
. 61
The control buttons
of the projector do
not operate.
The control panel is not available if the control panel is locked at [Key
z
lock] under [Security] of [Setting] section.
61
The picture does not
display 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
—
78 - 81