PG-C45X (serv.man31). Appendix - Sharp Projector User Guide / Operation Manual. Page 16

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

—

18
87

—

—

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.

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