Mitsubishi Electronics WL7200U Projector User Manual


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EN-60
Troubleshooting (continued)
Images are not displayed correctly. (continued)
Problem Solution
Hue is not appropriate. • Checkthatthecablesconnectedtotheexternaldevicesarenotbroken.
Tint in projected
images is incorrect.
• CheckthatCOMPUTERINPUTintheSIGNALmenuiscorrectlyset.(Seepage36.)
• Checkthatthecableconnectedtotheexternaldeviceisn’tbroken.
Different color tint. •
When comparing images projected by two projectors, tints in the displayed images may be
different because of variation between their optical components. This is not a malfunction.
• Whencomparingtheimageprojectedbythisprojectorwiththosedisplayedonthe
television or PC monitor, tints in the displayed images may be different because of
difference in the range of color reproducibility. This is not a malfunction.
Only the motion areas
in the images supplied
from the computer
aren’t displayed.
• Thisiscausedbythecomputerbeingused.Contactthemanufacturerofyour
computer.
Projected images are
obscured.
• Matchtheoutputresolutionofyourcomputerwiththeresolutionoftheprojector.
For the method to change the output resolution of the computer, contact the
manufacturer of your computer. (See page 64.)
• Someimagesandtextsappearobscuredduringthekeystoneadjustment.Insuch
cases, use the projector without applying the keystone adjustment. (See page 13.)
• WhenSUPERRESOLUTIONisON,thedisplayedimagemaybeobscured.Setitto
OFF. (See page 32.)
Noise appears around
the image.
• InsomeimagessuchasDVD,noisemayappeararoundtherecordedimage.Inthis
case, decrease the setting value of OVER SCAN of the SIGNAL menu. (See page 36.)
Images of WXGA
signal are not
displayed correctly.
• Makeadjustmentaccordingto“Howtoadjustthecomputerimage”onpage42.
Others
Problem Solution
The exhaust vents
emit warm air.
• Thisaircomesoutaftercoolingtheinsideoftheprojector.Youmayfeelhot,butthis
is not a malfunction.
No audio is output. • Checkthatthevolumeisn’tsettolow.
• WhentheexternaldeviceisconnectedwithanHDMIcable,settheaudiooutputof
the device to PCM output.
The menu can’t be
used.
• Themicrocomputersinsidetheprojectormaybewronglyoperatingbecauseofnoise.
Press the POWER button to turn off the lamp and unplug the power cord from the
wall outlet. Wait about 10 minutes, plug the power cord in, and try again.
“TEMPERATURE!!” is
displayed.
• Thisindicationappearswhentheambienttemperatureriseshigh.Whentheambient
temperature stays high, the lamp goes out.
Eliminate any causes of the rise in the ambient temperature.
• Thisindicationappearswhentheairinletoroutletgrilleisblocked.Whentheyare
kept blocked, the lamp goes out.
Remove the objects blocking the air inlet or outlet grille.
The mark appears. •
This mark appears when ineffective operation is carried out. This isn’t a product malfunction.
The remote control
doesn’t function easily
or at all.
• Checkthatthebatteriesareloadedintheremotecontrolorthebatteriesarenot
weak. (See page 6.)
• Checkthattheremotecontrolsensorisn’texposedtodirectsunlightoruorescent
light. (See page 9.)
• Usetheremotecontrolwithinitsoperationrange.(Seepage9.)
• Usetheremotecontrolatleast10cmawayfromtheprojector.
• CheckthattheCONTROLLERIDmatcheswiththePROJECTORID.(Seepage10.)
The buttons on the
projector (except for
the POWER button)
don’t function.
• PASSWORDFUNCTIONintheFEATUREmenuhasbeensettoMENUACCESS to
enable the password lock.
Cancel the password lock or contact the person in charge of management of the
projector. (See page 49.)
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