EN-53
Troubleshooting (continued)
No image appears on the screen. (continued)
Problem Solution
The screen for
entering the password
appears.
• PasswordinthePasswordmenuhasbeensettoOntoenablethepasswordlock.
Enter the password or contact the person in charge of management of the
projector. (See page 47.)
“No signal” is
displayed.
• Turnonthepoweroftheconnecteddevice,orcheckwhetherthereissomething
wrong with the connected device.
• Checkwhethertheexternaldeviceoutputsignals.(Checkthisespeciallywhenthe
external device is a notebook computer.)
• Checkthatthecableconnectedtotheexternaldeviceisn’tdefective.
• Checkthattheprojectorisconnectedtotheexternaldeviceusingthecorrect
terminals.
• Checkthattheconnecteddeviceiscorrectlyselectedastheinputsource.
• Whenanextensioncordisbeingused,replaceitwiththesuppliedcableandcheck
whether images are projected correctly. If images are projected correctly, use an RGB
signal amplifier along with the extension cord.
Images are not displayed correctly.
Problem Solution
Projected images are
shaking.
Projected images are
displaced.
• Checkthatthecableconnectedtotheexternaldeviceisn’tintermittent.
• Connectthecable’splugwiththeexternaldevice’sconnectorrmly.
• PresstheAUTOPOSITIONbutton.
• Somecomputersoutputout-of-specsignalsonrareoccasion.AdjusttheSignal
menu. (See page 24.)
• WhentheinputsignalisaWXGAvideosignal,conrmthesettingselectedinWXGA
in the Option menu.
• WhentheinputsignalisotherthanaWXGAvideosignal,selectOffinWXGAinthe
Option menu.
Projected images are
distorted.
• Adjusttheprojectorandthescreensothattheyareperpendiculartoeachother.(See
page 9.)
Projected images are
dark.
• AdjustBrightnessandContrastinthePicturemenu.(Seepage30.)
• Replacethelamp.(Seepage50.)
Projected images are
blurred.
• Adjustthefocus.(Seepage16.)
• Cleanthelens.
• Pressthe or button on the remote control to eliminate flicker.
• AdjustTrackingandFinesyncintheSignal menu. (See page 24.)
• AdjustBrightness and Contrast in the Picture menu. (See page 30.)
• Adjusttheprojectorandthescreensothattheyareperpendiculartoeachother.(See
page 9.)
Afterimages persist on
the screen.
• This phenomenon is improved by keeping projecting an evenly bright image. (Such
“image burn-in” phenomenon where afterimages persist on the screen may occur if a
stationary image is kept displayed on the screen for a long time.)
White dots are seen
on projected images.
Black dots are seen
on projected images.
• ThisphenomenonisnormalforaDLP™projectorandisnotamalfunction.(Avery
small number of pixels may visibly or invisibly be persistent all the time, but they are
notasignofsystemmalfunctions.Over99.99%ofthepixelsareeffective.)
Fine streaks are seen
on projected images.
• Thisisduetointerferencewiththescreensurfaceandisnotamalfunction.Replace
the screen or displace the focus a little.
• Verticalorhorizontalstreaknoisemayappearontheprojectedimage,dependingon
the type of the DVD player, game console or computer you use. In such a case, you
can reduce such streak noise by enabling the LPF.