Sharp PG-M20X - Manual (Page 79)

-76
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
Page
20
—
29
21 –26
13
—
30
21 –26
40
40
55
40
31
17 –18
42 · 44
42
—
54
21 –26
29
—
70
56
51
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