Troubleshooting – Sharp XG-C55X User Manual
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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.
• 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 cover of the lamp unit 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 and 2 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 will appear depending on the computer.
• The “DNR” (Digital Noise Reduction) setting is not correct.
• Cables incorrectly connected to rear panel of projector.
• Volume is set to minimum.
• The MUTE display appears.
• 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”.
• The signal in INPUT 1 or 2 is not an RGB XGA (1024 × 768)
signal. Images cannot be captured if the signals are different
from the above.
Problem
An unusual sound is
occasionally heard
from the cabinet.
Maintenance
indicator illuminates.
Image cannot be
captured.
Page
—
—
—
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.