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.
f
No electric supply is at the wall outlet.
f
The circuit breakers have tripped.
f
Is the <LAMP> indicator or <WARNING > indicator lit or blinking?
f
The lamp cover has not been securely installed.
f
—
—
—
35, 94
97
No picture appears.
The video signal input source may not be connected to a terminal properly.
f
The input selection setting may not be correct.
f
The [BRIGHTNESS] adjustment setting may be at the minimum setting.
f
The input source which is connected to the projector may have a problem.
f
The AV MUTE function may be in use.
f
31
40
50
—
41
The picture is fuzzy.
The lens cap is still attached to the lens.
f
The lens focus may not have been set correctly.
f
The projector may not be at the correct distance from the screen.
f
The lens may be dirty.
f
The projector may be tilted too much.
f
17
38
26-27
17
—
The color is pale or
grayish.
[COLOR] or [TINT] adjustment may be incorrect.
f
The input source which is connected to the projector may not be adjusted
f
correctly.
RGB cable is damaged.
f
50
—
—
No sound from the
internal speaker.
The input terminals may not have been correctly connected.
f
The volume may have been set to the minimum level.
f
The AV MUTE function may have been turned on.
f
When the VARIABLE AUDIO OUT is plugged-in, the projector's built-in speaker
f
is not available.
The MUTE function may have been turned on.
f
29-32
42, 70
42
22
42,70
The remote control does
not operate.
The batteries may be weak.
f
The batteries may not have been inserted correctly.
f
The remote control signal receptor on the projector may be obstructed.
f
The remote control unit may be out of the operation range.
f
Strong light such as fluorescent shine onto the signal receptor.
f
When different codes are set on the projector and on the remote control.
f
The [REMOTE CONTROLLER] setting is set to [DISABLE] in [CONTROL
f
DEVICE SETUP].
—
23
20
20
21
67
75
The control buttons of
the projector do not
operate.
The [CONTROL PANEL] setting is set to [DISABLE] in [CONTROL DEVICE
f
SETUP].
75
The picture does not
display correctly.
There may be a problem with the VCR or other signal source.
f
A signal which is not compatible with the projector is being input.
f
—
108-109
Picture from a computer
does not appear.
The cable may be longer than the optional cable.
f
The external video output from a laptop computer may not be correct.
f
—
—
Picture from a HDMI
device does not appear
or picture is not stable.
Is the HDMI cable securely connected?
f
Turn off the power of the projector and the connected devices. Then turn the
f
power of the projector and the connected devices back on.
Isn't unsupported signal cable connected?
f
31
—
108-109
No sound is output from
a HDMI device.
Set the sound channel of the attached device to Linear PCM.
f
—
Attention
If the problem persists, after confirming the contents of the table, please consult your dealer.
f
ENGLISH
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99
Chapter 5 Maintenance - Troubleshooting
