Mitsubishi Electronics XD490U user manual Troubleshooting, Images are not displayed correctly

Page 34

Troubleshooting (continued)

No image appears on the screen. (continued)

Problem

Solution

"NO SIGNAL" is

• Turn on the power of the connected device, or check whether there is something

displayed.

 

wrong with the connected device.

 

• Check whether the external device output signals. (Check this especially when the

 

 

external device is a notebook computer.)

 

• Check that the cable connected to the external device isn't defective.

 

• Check that the projector is connected to the external device using the correct

 

 

terminals.

 

• Check that the connected device is correctly selected as the input source.

 

• When an extension cord is being used, replace it with the supplied cable and check

 

 

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

• Check that the cable connected to the external device isn't intermittent.

shaking.

• Connect the cable's plug with the external device's connector firmly.

Projected images are

• Press the AUTO POSITION button.

displaced.

• Some computers output out-of-spec signals on rare occasion. Adjust the SIGNAL

 

menu. (See page 27.)

 

 

Projected images are

• Adjust the projector and the screen so that they are perpendicular to each other. (See

distorted.

 

page 12.)

 

 

Projected images are

• Adjust BRIGHTNESS and CONTRAST in the IMAGE menu. (See page 25.)

dark.

• Replace the lamp. (See page 31.)

 

 

Projected images are

• Adjust the focus. (See pages 15 and 19.)

blurred.

•

Clean the lens.

 

• Press the ￿ or ￿ button on the remote control to eliminate flicker.

 

• Adjust TRACKING and FINE SYNC. in the SIGNAL menu. (See page 27.)

 

• Adjust BRIGHTNESS and CONTRAST in the IMAGE menu. (See page 25.)

 

• Adjust the projector and the screen so that they are perpendicular to each other. (See

 

 

page 12.)

 

 

White dots are seen

• This symptom is normal for a DLPTM projector and is not a malfunction. (A very small

on projected images.

 

number of pixels may stay lit or out, but such symptom is not a malfunction. Pixels of

Black dots are seen on

 

99.99% or more are effective.)

projected images.

 

 

Rainbow effect is seen

• This is due to color breaking noise that occurs in a DLPTM system and is not a

on projected images.

 

malfunction.

 

 

Fine streaks are seen

• This is due to interference with the screen surface and is not a malfunction. Replace

on projected images.

 

the screen or displace the focus a little.

 

 

Projected images

• Connect the plugs of the cables to external devices securely.

become wavy.

• Keep the projector away from devices that emit interfering radio waves.

 

• When the keystone adjustment is carried out, the image may not be displayed

 

 

correctly depending on the type of input signal. This isn’t a product malfunction. In

 

 

this case, readjust the keystone so that the amount of keystone correction is as small

 

 

as possible.

 

 

Hue is not appropriate.

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

 

 

Tint in projected

• Check that COMPUTER INPUT in the SIGNAL menu is correctly set. (See page 24.)

images is incorrect.

• Check that the cable connected to the external device isn't broken.

Only the motion areas

• This is caused by the computer being used. Contact the manufacturer of your

in the images supplied

 

computer.

from the computer

 

 

aren't displayed.

 

 

 

 

 

Projected images are

•

Match the output resolution of your computer with the resolution of the projector. For

obscured.

 

the method to change the output resolution of the computer, contact the manufacturer

 

 

of your computer. (See page 38.)

 

• Some images and texts appear obscured during the keystone adjustment. In such

 

 

cases, use the projector without applying the keystone adjustment. (See page 10.)

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Contents XD490 XD460 When using the projector in Europe Risk of Electric Shock Do not OpenContents Important safeguards Do not unplug the power cord during op- eration Do not keep using the damaged projectorDo not look into the lens when it is operating Place of installationInserting the batteries into the remote control Checking accessoriesPreparing your projector EN-7 OverviewControl panel Terminal boardBottom side Remote controlPreparating your projector About the laser beamReception angle Using the remote controlOperational range of the remote control Front of projector Rear of projectorBasic setup Setting up your projectorSetting up the screen Adjusting the projection angleFront projection, ceiling mounting Wall screenRear projection Screen size and projection distance Setting up your projectorWhen the aspect ratio of the screen is Virtual lens shiftConnecting the projector to a computer Viewing computer imagesViewing computer images Plugging the power cordAbout DDC Projecting images To stop projecting When connecting to a notebook computerExample of the setting procedure for external output AV muteWhen a TV tuner or VCR is connected Connecting the projector to video equipmentConnecting to a video player, etc Viewing video imagesViewing video images Plugging in the power cordConnecting to video equipment having a DVI-D terminal Projector + DVD player or Hdtv decoderProjecting images Volume from the speaker With the remote control Setting the aspect ratioHow to change the settings With the Feature menuHow to set the menus Menu operationInstallation menu Available settings in the menusImage menu Signal menu Feature menuMenu operation To adjust the color Color and Tint Adjusting projected imagesTo adjust the brightness Contrast and Brightness To cancel the menuAbout color temperature Adjusting projected imagesTo adjust the tone of white Color Temp Color EnhancerTo adjust the vertical position LPF Progressive filterTo enable the password function Advanced featuresPassword function To cancel the password functionPicture in Picture PinP ExpandStill Mouse remote control Advanced featuresOperation Interval of lamp replacement Replacing the lampReset of the lamp operation time Cleaning of the projector and the ventilation slotsCleaning of the lens Replacing the lampTroubleshooting No image appears on the screen Problem SolutionProblem Solution TroubleshootingImages are not displayed correctly Others Problem Solution Kensington LockAbnormal condition IndicatorsNormal condition Status ConditionReplacement part Option / Not included in the box SpecificationsSpecifications XGA85Connectors Dimension Drawings unit mmMitsubishi 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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