Operation Manual
Appendix
-85
Troubleshooting
Check Page
• Projector power cord is not plugged into the wall outlet. 16
• Power to the external connected devices is off. –
• The selected input mode is wrong. 33
• Cables incorrectly connected to rear panel of the projector. 17-22
• Remote control batteries have run out. 13
•
External output has not been set when connecting notebook computer.
–
• The cover of the lamp unit is not installed correctly. 78
• The selected “Signal Type” is wrong. 65
•
The video signal format of the video equipment is not set correctly.
65
• “Bright” is set to minimum position. 44
• Picture adjustments are incorrectly set. 44
(Video Input only)
• Video input system is incorrectly set. 66
(INPUT 1, 2 and 5 only)
• Input signal type is incorrectly set. 65
• Adjust the focus. 26
• The projection distance exceeds the focus range. 28-29
(Computer Input only)
• Perform “Fine Sync” Adjustments (“Clock” Adjustment) 53
• Perform “Fine Sync” Adjustments (“Phase” Adjustment) 53
• Noise will appear depending on the computer. –
• The “DNR” (Digital Noise Reduction) setting is not correct. 63
• If the picture is normal, the sound is due to cabinet shrinkage –
caused by a room temperature changes. This will not affect
operation or performance.
• See “Maintenance Indicators”. 74
Problem
Color is faded or poor.
Picture is blurred;
noise appears.
No picture and no sound
or projector does not start.
An unusual sound is
occasionally heard
from the cabinet.
Maintenance
indicator illuminates.