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Appendix
-63
Troubleshooting
Check
• Projector power cord is not plugged into the wall outlet.
• Power to the external connected devices is off.
• The selected input mode is wrong.
• The AV MUTE function is working.
• Cables incorrectly connected to rear panel of the projector.
• Remote control batteries have run out.
•
External output has not been set when connecting notebook computer.
• The filter/lamp unit cover is not installed correctly.
• Cables incorrectly connected to the rear panel of the projector.
• “Bright” is set to minimum position.
• Picture adjustments are incorrectly set.
(Video Input only)
• Video input system is incorrectly set.
(INPUT 1 only)
• Input signal type (RGB/Component) is incorrectly set.
• Adjust the focus.
• The projection distance exceeds the focus range.
(Computer Input only)
• Perform “Fine Sync” Adjustments (“Clock” Adjustment)
• Perform “Fine Sync” Adjustments (“Phase” Adjustment)
• Noise may appear depending on the computer.
• Cables incorrectly connected to rear panel of projector.
• Volume is set to minimum.
• If the picture is normal, the sound is due to cabinet shrinkage
caused by room temperature changes. This will not affect
operation or performance.
• See “Maintenance Indicators”.
• The keylock is set.
If the keylock is set to ON, all the buttons are locked.
Problem
An unusual sound is
occasionally heard
from the cabinet.
Maintenance
indicator illuminates.
Power cannot be turned
on or off using the power
buttons on the projector.
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Sound is heard but no
picture appears.
Color is faded or poor.
Picture is blurred;
noise appears.
Picture appears but no
sound is heard.
No picture and no sound
or projector does not start.