59
Appendix
Troubleshooting
Problem Check Page
No picture and no sound or
projector does not start.
Projector power cord is not plugge d into the wall outlet.• 25
Power to the external connected devi ces is off.• –
The lens shutter is closed.•26, 29
The selected input mode is wro ng.•29
Cables are incorrectly co nnected to the projector.• 21–25
Remote control battery has r un out.•15
External output has not be en set when connecti ng notebook computer.
•21
The lamp unit cover is not instal led correctly.• 56, 57
Sound is heard but no
picture appears
(or picture is dark).
Cables are incorrectly co nnected to the projector.• 21–25
“Bright” is set to minimum posi tion.• 41
Depending on the computer you a re using, an image may not be
projected unless the signa l output setting of the co mputer is switched
to the external output. Refer to the co mputer's operation manu al for
how to switch its signal output set tings.
• –
Color is faded or poor.
Image adjustments are incorrectly set.
Make adjustments of “Color” and “ Tint” in “Picture Mod e” and lower the
“BrilliantColorTM” value.
•
•
41
(Video Input only)
Video input system is incor rectly set.•51
Picture is blurred;
noise appears.
Adjust the focus.• 27
The projection distance exce eds the focus range.•20
There is fog on the lens. If the projector is carried from a cold room into a
warm room, or if it is suddenly heated, condensation may form on the surface
of the lens and the image will become blurred. Set up the projector at least
one hour before it is to be used. If condensation should form, remove the
power cord from the wall outlet and wait for it to clear.
• –
(Computer Input only)
Perform Synchronizatio n Adjustments (“Clock ” and “Phase”
Adjustment)
Noise may appear dependin g on the computer.
•
•
51
–
Picture appears but no
sound is heard.
Cables are incorrectly co nnected to the projector.• 21–25
Volume is set to minimum.
When the projector is connecte d to an external device an d the volume
is set to minimum, the sound is not outpu t even if you turn up the
volume of the external device.
•
•
29
“Speaker” is set to “Off”.•46
Data image is not
centered.
Select “Data image is not cente red” in the “Help” menu an d make the
necessary adjustments.
•51
Depending on the computer you a re using, the output resol ution signal
may be different from the one you h ave set. For details, refer to the
operation manual of the compu ter.
• –
An unusual sound is
occasionally heard from
the cabinet.
If the picture is normal, the soun d is due to cabinet shrink age caused
by room temperature changes. T his will not affect ope ration or
performance.
• –