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4-1 Troubleshooting
Screen and
External
Source
Cannot see picture images. Be sure that the power cord of the projector is connected.
Be sure that the proper input source is selected.
Check that the connectors are properly connected to the ports
at the back of the projector.
Check the Remote Control batteries.
Be sure that the <Color> and<Brightness> settings are not at
their lower limit.
Poor color. Adjust the <Tint> and <Contrast>.
Images are not clear. Adjust the focus.
Check if the projector is too far from or too near to the screen.
Strange noise. If a strange sound continues, contact our service center.
The operating LED is lit up. Refer to Corrective Actions According to LED Indications(3-4).
Lines appear on screen. On screen noise may occur when using your PC. Adjust the
frequency (refresh rate) of the screen.
No external device screen is displayed. Check the operating status for the external device and check
whether the adjustment items, such as the <Brightness> and
the <Contrast> have been changed correctly in the <Mode>
command screen of the Projector menu.
Only a blue screen appears. Be sure to connect the external devices properly. Check the
connection cables again.
Screen appears in black and white or odd
color or screen is too dark or bright.
As mentioned above, check the adjustment items such as
<Brightness>, <Contrast>, or <Color> in the menu.
If you want to restore various settings to their factory defaults,
run <Factory Default>from the menu.
Symptoms Troubleshooting