Troubleshooting - Sharp XR-1X Operation Manual

Troubleshooting

Problem
No picture and no sound
or projector does not
start.
Sound is heard but no
picture appears (or picture
is dark).
Color is faded or poor.
Picture is blurred;
noise appears.
Picture appears but no
sound is heard.
An unusual sound is
occasionally heard from
the cabinet.
Maintenance indicator on
the projector illuminates
or blinks in red.
60
• 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 the projector.
• Remote control battery has run out.
• External output has not been set when connecting notebook
computer.
• The lamp unit cover is not installed correctly.
• Cables incorrectly connected to the projector.
• "Bright" is set to minimum position.
• Image adjustments are incorrectly set.
(Video Input only)
• Video input system 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 may appear depending on the computer.
• Cables incorrectly connected to the projector.
• Volume is set to minimum.
• If the picture is normal, the sound is due to cabinet shrinkage
caused by room temperature changes. This will not affect operation
or performance.
• See "Maintenance Indicators".
Check Page
25
–
29
23, 24, 25
14, 15
23
56, 57
23, 24, 25
40
40
51
27
19
51
51
–
23, 24, 25
29
–
54