60
Troubleshooting
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.
Problem 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 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”.
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