Mitsubishi Electronics XD221U user manual Others, Maintenance, Cleaning of the lens

Page 31

Troubleshooting (continued)

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.

 

 

 

 

 

• The microcomputers inside the projector may be wrongly operating because of noise.

The menu can’t be used.

J 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.

 

 

 

 

 

• This indication appears when the ambient temperature rises high. When the ambient temperature stays high,

 

 

the lamp goes out.

"TEMPERATURE!!" is displayed.

J 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.

 

 

J 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.

 

 

 

 

 

• Check that the batteries are loaded in the remote control or the batteries are not weak. (See page 8.)

The remote control doesn’t function easily or at all.

• Check that the remote control sensor isn’t exposed to direct sunlight or fluorescent light. (See page 8.)

• Use the remote control within its operation range. (See page 8.)

 

 

 

 

• Use the remote control at least 10 cm away from the projector.

 

 

 

 

 

• PASSWORD FUNCTION in the FEATURE menu has been set to MENU ACCESS to enable the password

The SOURCE button on the control panel doesn’t

lock.

function.

J Cancel the password lock or contact the person in charge of management of the projector.

 

 

(See page 25.)

 

 

 

Abnormal sound is heard.

• Because the color wheel spins at a high speed, metallic sounds may be heard in rare occasions. Such symp-

tom is not a malfunction.

 

 

 

 

 

ENGLISH

If the following problem occurs after the lamp is replaced, check the following first.

Problem

 

Solution

 

 

 

The projector does not turn on.

Fit the lamp cover securely. (See page 28.)

Reset the lamp operating time. (See page 28.)

 

The STATUS indicator blinks.

Reset the lamp operating time. (See page 28.)

Maintenance

Warning:

Do not use flammable solvents (benzene, thinner, etc.) and flammable aerosols when cleaning the projector body and lens. Flammable substances may ignite causing fire or breakdown while the lamp is illuminating.

Caution:

Be sure to turn off the lamp and unplug the power cord from the wall outlet before you perform any maintenance on the projector.

Cleaning of the projector and the ventilation slots

Use a soft cloth to clean the projector and the ventilation grilles. When the grilles become dirty, wipe them with a soft cloth dampened with diluted mild detergent, and then wipe them with a dry cloth.

To protect the surface of the projector from fading or deteriorating:

Do not spray insecticide on or inside the projector.

Do not use benzin or thinner to clean it.

Do not let rubber or plastic materials contact with projector.

Cleaning of the lens

Use a standard lens-cleaning brush or a piece of lens tissue dampened with lens cleaning fluid. The lens surface is fragile. Use only recommended, nonabrasive lens-cleaning materials. Do not touch the lens with your fingers.

EN-31

Image 31
Contents XD221U Shock When using the projector in EuropeContents Important safeguards Place of installation Do not keep using the damaged projectorDo not look into the lens when the projector is operating Do not unplug the power cord during operationControl panel Terminal board 6 8 1012 OverviewKensington Lock Overview Bottom side Remote controlBattery installation Remote controlOperation range of the remote control Front projection, ceiling mounting InstallationLayout of the projector Front projectionProjector + AV device Basic connectionsProjector + DVD player or Hdtv decoder Projector + Computer Basic connectionsPreparation for projection Adjustment of the projection angleUsing the adjustment feet front PreparationWhen fine streaks are seen on projected images Power-onBasic operation Basic operation Wall Screen When connecting to a laptop computerContrast Menu operationQuick Menu Basic operation Quick Menu Color Enhancer Auto PresentationMenu Options Menu operationInformation menu Input Level Closed Caption *1 DYNAMIC, NATURAL, Detail Gamma ModeOver Scan Hold *2 User Lamp Time LOW Input Resolution Standard LOW High UserImage menu Basic operationImage Advanced menu Installation menu Video Signal Feature menuPassword Fucntion Cinema Mode AUTO/OFFSingal menu Signal User menuColor Enhancer Image adjustmentAdjusting projected images Gamma modeLPF Progressive filter Image adjustmentSimple method to adjust the image position BrilliantColorTMMagnify Advanced featuresPassword function FreezeConnection Advanced featuresSupervising and controlling by computer Major functionsWhen the projector is mounted to the ceiling Lamp replacementInterval of lamp replacement Lamp replacementReset of the lamp operation time Power Status TroubleshootingNo image appears on the screen Images are not displayed correctly TroubleshootingLPF Others MaintenanceCleaning of the projector and the ventilation slots Cleaning of the lensNormal condition IndicatorsAbnormal condition Specifications Replacement part SpecificationsConnectors Dimensional drawings unit mm What’s included in the boxVGA72 CGA84CGA85 VGA60Mitsubishi Electric Corporation

XD221U specifications

The Mitsubishi Electronics XD221U is a remarkable projector that offers an impressive combination of high-quality imaging, advanced technologies, and user-friendly features, making it a popular choice for various settings, including business presentations, educational environments, and home entertainment.

One of the standout features of the XD221U is its brightness capability. With a high lumen output, this projector delivers clear and vibrant images even in well-lit rooms. This makes it particularly suitable for classrooms and conference rooms where ambient light can be a challenge. The projector utilizes 3LCD technology, which ensures rich color reproduction and sharp details. The 3LCD system enables the XD221U to produce both vivid colors and deep blacks, improving overall image quality.

The resolution of the XD221U is XGA (1024 x 768), making it ideal for displaying standard office documents, presentations, and videos. The aspect ratio of 4:3 is well-suited for traditional content formats and provides a good viewing experience. Additionally, the projector supports various input options, including VGA, HDMI, and RCA, making it versatile and compatible with most modern devices such as laptops, tablets, and DVD players.

Portability is another key characteristic of the XD221U. Designed with mobility in mind, it is lightweight and compact, making it easy to transport from one location to another. This portability ensures that users can set up presentations or screenings quickly, enhancing productivity in professional environments.

Mitsubishi Electronics has also integrated several helpful features into the XD221U to enhance user experience. The projector includes an automatic vertical keystone correction feature, which helps to adjust the image automatically when the projector is not perfectly aligned with the screen. This allows for a more straightforward setup and consistent image quality, regardless of projector placement.

Another notable attribute is the long lamp life, which reduces the need for frequent replacements and lowers total cost of ownership. Users can expect a substantial hours of usage before needing to change the lamp, contributing to its appeal for businesses and schools.

In summary, the Mitsubishi Electronics XD221U is a versatile projector that excels in delivering bright, high-quality images and offers a range of features designed for comfort and convenience. Its advanced 3LCD technology, XGA resolution, and ease of use make it a strong candidate for anyone in need of a reliable and effective projection solution.