Troubleshooting – Sharp PG-M20X 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 side panel of the projector.
• Remote control batteries have run out.
• External output has not been set when connecting notebook computer.
• The AV MUTE display appears.
• Cables incorrectly connected to the side 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 will appear depending on the computer.
• The “DNR” (Digital Noise Reduction) setting is not correct.
• Cables incorrectly connected to side panel of projector.
• Volume is set to minimum.
• 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 is not an analog RGB/Digital RGB XGA
(1024
× 768) signal. Images cannot be captured if the signals
are different from the above.
• The signal in INPUT 1 is set to a resolution that exceeds SXGA.
• The signal in INPUT 1 is sending Component signals 480I,
480P, 720P, or 1080I.
• The signal in INPUT 1 is set to interlace mode using RGB signals.
Problem
An unusual sound is
occasionally heard
from the cabinet
Maintenance
indicator illuminates
Image cannot be
captured
Pict in Pict does not
work
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No picture and no sound
Sound is heard but no
picture appears
Color is faded or poor
Picture is blurred;
noise appears
Picture appears but no
sound is heard