Mitsubishi Electronics XD490U Troubleshooting, No image appears on the screen Problem Solution

Page 33

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 air inlet or outlet grille, 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 air inlet or outlet grille, remove them.

 

 

 

 

 

 

 

 

 

 

 

 

•

Don't expose the air outlet grilles to hot air emitted from a heating appliance.

 

 

Steady red

Blinking

 

 

 

 

 

 

 

 

 

 

orange

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

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

 

 

 

 

 

Blinking

 

• 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.

 

 

 

 

 

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 bottom.

 

 

 

 

 

 

 

 

 

 

 

Off

 

 

 

 

Blinking

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

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

 

 

 

 

 

 

 

 

red / green

Steady

 

 

 

 

 

 

 

 

 

 

 

 

 

or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No image appears on

• Cancel the AV mute by pressing the 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. After the fan stops rotating, press the POWER button to turn back on the POWER indicator.

•Set SCART INPUT in the FEATURE menu to OFF. (See page 24.)

•Check that the intake vent is clean.

•Check that the lamp cover is closed. (See page 32.)

•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.

Projected images

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

suddenly disappear.

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.

 

 

The screen for entering

• PASSWORD FUNCTION in the FEATURE menu has been set to DISPLAY INPUT to

the password appears.

enable the password lock.

 

￿ Enter the password or contact the person in charge of management of the projec-

 

 

tor. (See page 28.)

ENGLISH

EN-33

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Contents XD490 XD460 Risk of Electric Shock Do not Open When using the projector in EuropeContents Important safeguards Do not look into the lens when it is operating Do not keep using the damaged projectorDo not unplug the power cord during op- eration Place of installationChecking accessories Inserting the batteries into the remote controlPreparing your projector Control panel OverviewEN-7 Terminal boardPreparating your projector Remote controlBottom side About the laser beamOperational range of the remote control Using the remote controlReception angle Front of projector Rear of projectorSetting up the screen Setting up your projectorBasic setup Adjusting the projection angleWall screen Front projection, ceiling mountingRear projection When the aspect ratio of the screen is Setting up your projectorScreen size and projection distance Virtual lens shiftViewing computer images Connecting the projector to a computerPlugging the power cord Viewing computer imagesAbout DDC Projecting images Example of the setting procedure for external output When connecting to a notebook computerTo stop projecting AV muteConnecting to a video player, etc Connecting the projector to video equipmentWhen a TV tuner or VCR is connected Viewing video imagesConnecting to video equipment having a DVI-D terminal Plugging in the power cordViewing video images Projector + DVD player or Hdtv decoderProjecting images Volume from the speaker How to change the settings Setting the aspect ratioWith the remote control With the Feature menuMenu operation How to set the menusAvailable settings in the menus Installation menuImage menu Feature menu Signal menuMenu operation To adjust the brightness Contrast and Brightness Adjusting projected imagesTo adjust the color Color and Tint To cancel the menuTo adjust the tone of white Color Temp Adjusting projected imagesAbout color temperature Color EnhancerLPF Progressive filter To adjust the vertical positionPassword function Advanced featuresTo enable the password function To cancel the password functionExpand Picture in Picture PinPStill Advanced features Mouse remote controlOperation Replacing the lamp Interval of lamp replacementCleaning of the lens Cleaning of the projector and the ventilation slotsReset of the lamp operation time Replacing the lampNo image appears on the screen Problem Solution TroubleshootingTroubleshooting Problem SolutionImages are not displayed correctly Kensington Lock Others Problem SolutionNormal condition IndicatorsAbnormal condition Status ConditionSpecifications Replacement part Option / Not included in the boxXGA85 SpecificationsDimension Drawings unit mm ConnectorsMitsubishi Projector Contact Information

XD490U specifications

The Mitsubishi Electronics XD490U is a projector designed to cater to the needs of both professional and educational environments. Its versatility and advanced features make it a popular choice for those looking to deliver impactful presentations and engaging lectures. This model stands out for its blend of performance, convenience, and image quality.

One of the main features of the XD490U is its high brightness, delivering up to 5000 ANSI lumens. This allows for clear and vivid images in well-lit environments, making it suitable for various settings, from classrooms to conference rooms. Coupled with a high contrast ratio, the projector ensures that colors are vibrant and details are sharp, enhancing the overall viewing experience.

The XD490U uses DLP technology, which is well-known for its reliability and excellent color reproduction. DLP projectors like the XD490U are less prone to color decay over time compared to other technologies, ensuring consistent performance throughout its lifespan. The projector supports a native resolution of XGA (1024 x 768), making it ideal for displaying presentations, videos, and images without losing detail.

To enhance usability, the Mitsubishi XD490U features a range of connectivity options. It includes multiple inputs such as HDMI, VGA, and composite video, making it compatible with a variety of devices from laptops to DVD players. This adaptability is essential for environments where multiple devices may be used for presentations.

The XD490U is also equipped with a built-in 10-watt speaker, which provides adequate sound for smaller rooms without the need for additional audio equipment. For larger settings, the projector can easily be connected to external sound systems.

Moreover, the XD490U is designed with user convenience in mind. Its lightweight and portable design make it easy to transport and set up in different locations. The projector also features a quick start-up time, allowing users to begin presentations without lengthy delays.

In terms of energy efficiency, the XD490U incorporates eco-conscious technologies that help reduce power consumption during operation and standby modes. This feature not only minimizes the environmental impact but also contributes to lower operating costs.

Overall, the Mitsubishi Electronics XD490U is a robust projector that combines impressive image quality, versatile connectivity, and user-friendly features, making it an excellent option for anyone seeking a reliable projection solution for various professional and educational applications.
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