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Troubleshooting
Please check following points. For details, see the corresponding pages.
Problem
f The power cord may not be connected.
f No electric supply is at the wall outlet.
f The circuit breakers have tripped.
Power does not turn
on.
f Is the power indicator <ON(G)/STANDBY(R)> or the warning indicator
f The lamp cover has not been securely installed.
f 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.
No picture appears.
f The input source which is connected to the projector may have a problem.
f The AV mute function may be in use.
f The lens focus may not have been set correctly.
f The lens may be dirty.
The picture is fuzzy.
f Is the relative position between the projector and the screen set properly?
f [Color] or [Tint] adjustment may be incorrect.
The color is pale or
f The input source which is connected to the projector may not be adjusted
grayish.
f The RGB signal cable is damaged.
f The external device may not be connected correctly to the audio input terminal.
f The volume may have been set to the minimum level.
No sound from the
f The AV mute function may have been turned on.
internal speaker.
f The Mute function may have been enabled.
f When the VARIABLE AUDIO OUT is plugged-in, the projector's built-in speaker
f 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.
The remote control
does not operate.
f Strong light such as fluorescent shine onto the signal receptor.
f Is the operation of the remote control set to disabled in [Key lock] of the [Setting]
f When different codes are set on the projector and on the remote control.
The control buttons of
f Is the operation of the control panel set to disabled in [Key lock] of the [Setting]
the projector do not
operate.
f There may be a problem with the VCR or other signal source.
The picture does not
f A signal which is not compatible with the projector is being input.
display correctly.
f Is the setting of the computer output correct?
Picture from a
f The cable may be longer than the optional cable.
computer does not
f The external video output from a laptop computer may not be correct.
appear.
f Is the HDMI cable securely connected?
Picture from a HDMI
device does not
f Turn off the power of the projector and the connected devices. Then turn the
appear or picture is
not stable.
f Isn't unsupported signal cable connected?
f Set the sound channel of the attached device to Linear PCM.
No sound is output
f Connect the computer to the <HDMI IN> terminal through the HDMI-DVI
from a HDMI device.
f To inform that the projector cannot execute the operation. Check the connections
The
mark appears
on the screen.
Attention
f If the problem persists, after confirming the contents of the table, please consult your dealer.
100 - ENGLISH
Chapter 6 Maintenance - Troubleshooting
<WARNING > indicator lit or blinking?
correctly.
is not available.
menu?
menu?
power of the projector and the connected devices back on.
conversion cable, set [Sound] of [HDMI Setup] to [Computer], and then input the
analog audio signal to the <AUDIO IN 1> terminal.
and the input signals, then operate correctly.
Cause
Reference
page
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45, 60
44
45, 60
32
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60
46
60
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106
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106
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34, 61
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