Mitsubishi Electronics XD700U Troubleshooting, No image appears on the screen Problem Solution

Page 53

Troubleshooting

Before asking for repair of the projector, check the following. If the symptom persists, stop using the projector, be sure to unplug the power plug, and then contact your dealer.

No image appears on the screen.

Problem

Solution

 

 

 

 

 

 

 

 

Power can not be

• Check whether the indicators are on or off and how they are lightning.

turned on.

 

POWER

STATUS

Solution

 

 

 

 

 

Connect the power cord to the projector.

 

 

Off

Off

Plug the power cord into a wall outlet.

If any objects are blocking the intake or exhaust vents, remove them and carry out the following.

 

1.

Unplug the power cord from the wall outlet.

Off

2.

Make sure that the projector has cooled off.

3.Plug the power cord into the wall outlet.

4.Press the POWER button.

If any objects are blocking the intake or exhaust vents, remove them.

 

 

 

 

 

 

 

 

 

 

 

 

 

Don’t expose the exhaust vents to hot air emitted from a heating appliance.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking orange

 

 

 

 

Steady red

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

After the STATUS indicator stops blinking, press the POWER button.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• If you unplug the power cord while the fan is rotating, the lamp may not turn on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

about 1 minute when you plug the power cord next time.

 

 

 

 

 

 

 

Blinking green

 

 

 

 

 

 

 

• The lamp can’t turn on again for 1 minute after it goes out.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Press the POWER button several times.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace the lamp. (The lamp is at the end of its life.)

 

 

 

 

 

 

 

Steady red

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Attach the lamp cover on the top.

 

 

 

 

 

 

 

 

Off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unplug the power cord from the wall outlet and contact your dealer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking

 

 

 

 

 

 

 

 

Steady

 

 

 

 

red/green

 

 

 

 

 

 

or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No image appears on

• Cancel the AV mute by pressing the AV MUTE button.

the screen.

• Check that the lens cap is removed.

It may take about 1 minute for the lamp to light up.

The lamp fails to light up on rare occasions. In such a case, wait for a few minutes and then try again.

If the projector was turned off before the lamp was cooled down sufficiently last time, the fan may start rotating and the POWER button may not work after the power cord is plugged. Press the POWER button to turn back on the POWER indicator.

Check that the intake vent is clean.

Check that the lamp cover is closed. (See page 51 or 52.)

Check that the cables connected to the external devices are not broken.

When an extension cable is being used, replace it with the supplied cable for check.

When images are displayed correctly, add an RGB signal amplifier to the extension cable.

Power turns off.

• This problem may occur when the intake vent and/or exhaust vents are blocked. (In

 

such a case, the STATUS indicator brinks orange.)

 

Remove the objects blocking the intake vent and/or exhaust vents and then carry

 

 

out the following procedure.

 

1.

Wait for the intake fan and/or exhaust fan to stop. (Wait until the STATUS indicator

 

 

goes out.)

 

2.

Unplug the power cord from the wall outlet.

 

3.

Wait about 10 minutes.

 

4.

Plug the power cord into the wall outlet.

 

5.

Press the POWER button.

 

• When the STATUS indicator is steady red, it is indicating that the lamp should be

 

replaced. Replace the lamp in this case.

 

• Check that Auto Power Off has been set to Off.

 

• If the lamp has deteriorated, it may go out after a while it illuminates.

EN-53

Image 53
Contents XD700U WD720U Risk of Electric Shock Do not Open Contents Important safeguards Never remove the cabinet Do not modify this equipment Important safeguardsUse correct voltage Do not block the intake and exhaust vents1011 12 13 OverviewControl panel Terminal panel Overview Bottom side Remote controlBattery installation Remote controlOperation range of the remote control Inserting the batteries into the remote controlScreen size and projection distance InstallationFor XD700U For WD720UWhen the aspect ratio of the screen is InstallationWhen the aspect ratio of the image is 1610 Wxga When the aspect ratio of the image isRear projection Ceiling mount installationFront projection, ceiling mounting Projector + DVD player or Hdtv decoder Basic connectionsProjector + AV device Connection for video equipment having an Hdmi terminal Basic connectionsFor computer with mini D-SUB Projector + ComputerPreparation for projection Adjusting the position of the projected imagePreparation When projected images are distorted to a trapezoid Adjustment of the projection angleUsing the adjustment feet front PreparationBasic operation Power-onStatus Power Basic operation When connecting to a laptop computer Watching 3D content Setting the aspect ratioWith the remote control With the Picture menuEN-20 Menu operation You can make various settings using the displayed menusInstallation How to set the menusMenu operation Main MenuMenu items Setting FunctionPicture menu PictureVideo Image Video Image menuSignal Signal menuRGB LPFAudio Audio menuLAN Installation menuEfficient Mode Option Option menuWxga SET Network Config menuDhcp SsidInformation Information menuDescription To adjust the brightness Contrast and Brightness Image adjustmentTo adjust the color Color and Tint To adjust the tone of white Color TempImage Image adjustmentColor Management GammaSimple method to adjust the image position How to adjust the computer imageTo adjust the horizontal position To adjust the vertical positionSetting Projector Name Network settingsNetwork Password settings Enabling or disabling the network certificationIP Config settings Network settingsSetting or clearing Dhcp IP Address settingsDefault Gateway settings Subnet Mask settingsSetting or clearing Dhcp Function Start IP Address settingEncryption setting Wireless SettingSsid setting Channel setting Wireless Setup setting Initialization of network settingsHow to use network function Restart of network functionUSB Display Advanced display utilitiesConnection OperationWhen deleting LAN Display System Uninstallation Important Installation of softwareInstalling LAN Display System Advanced display utilitiesProjection Installing the virtual display driver Using remote desktopHide UI AboutPC Less Presentation Installation of PtG Converter-LiteSelecting a PC Less Presentation input Performing the PC Less PresentationOFF Setting upDisplaying PtG file Displaying Jpeg fileEnding the PC Less Presentation Displaying with AutoRun functionDisplaying with slideshow function Displaying a user-defined image during startup or muting Advanced featuresFreeze MagnifyPassword lock Advanced featuresTo enable or disable password lock To set a passwordMajor functions PJLink supported commands When the projector is mounted to the ceiling Lamp replacementWhen the projector is placed on the table Interval of lamp replacement Lamp replacementReset of the lamp operation time No image appears on the screen Problem Solution TroubleshootingImages are not displayed correctly Problem Solution TroubleshootingOthers Problem Solution Cleaning of the projector and the vents MaintenanceCleaning of the lens Kensington LockCondition Possible Solution IndicatorsNormal condition Abnormal conditionYPBPR/YCBCR SpecificationsConnectors SpecificationsDimension drawings unit mm Replacement part option/not included in the boxEN-60 Zusho Baba, Nagaokakyo-City, Kyoto Japan