Mitsubishi Electronics HC4900 user manual Replacing the lamp, To replace the lamp

Page 36

Replacing the lamp (continued)

To replace the lamp:

(b)1. Unplug the power cord.

2.Loosen the screw (a) using a Phillips screwdriver (+), and remove the lamp cover (b).

3.Loosen the screws (c) using a Phillips screwdriver (+).

4.Pull the handle.

5.Pull out the lamp box by the handle while holding the

(a)

projector.

Pull the lamp box out of the projector slowly. If it is pulled out quickly, the lamp may break scattering glass

(c)

fragments.

(c)

(a)

Important:

Do not spill liquid on the removed lamp box or do not place it near any flammable object or where children can reach to prevent injury or fire.

6.Load a new lamp box securely into the projector in the right orientation.

7.Put the handle back to the original position.

Make sure that the handle is locked.

8.Tighten up the screws (c) using a Phillips screwdriver (+).

9.Tighten up the screw (a) using a Phillips screwdriver (+) to secure the lamp cover.

Reset of the lamp operation time

Plug in the power cord and reset the lamp operation time by holding down the W, X, and POWER buttons on the control panel at the same time about 3 seconds.

Unless these 3 buttons are pressed at the same time, the lamp operation time isn’t reset.

Make sure that the STATUS indicator blinks twice and the lamp operation time is reset successfully.

The projector doesn’t turn on if the lamp cover isn’t attached securely.

Be sure to reset the lamp operation time whenever you replace the lamp.

Do not reset the lamp operation time unless you replace the lamp.

When removing the lamp from the ceiling-mounted projector

When removing the lamp from the ceiling-mounted projector, use the lamp replacement tray packed with the projector or option lamp to prevent glass fragments from scattering.

Assemble the lamp replacement tray according to the procedure shown on it.

1.Follow steps 1 to 4 shown above.

2.Attach the lamp replacement tray to the projector as shown

Tape

in the figure.

3. Secure the lamp replacement tray on the projector using the tape packed with the tray.

4.Pull out the lamp box by the handle while holding the projector.

Hold the lamp replacement tray to prevent glass fragments from scattering.

Don’t put the lamp directly on the lamp replacement

tray because it may fall.

5. Detach the lamp replacement tray together with the removed lamp.

Important:

The lamp is fragile. If it is broken, be careful not to cut yourself with glass fragments.

This projector uses a lamp that contains mercury. Disposal of the lamp or the projector with the lamp may be regulated due to environmental considerations. For disposal or recycling information, please contact your local authorities or the Electronic Industries Alliance: www.eiae.org. (For the U.S. only.)

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Contents HC4900 When using the projector in Europe Risk of Electric Shock Do not OpenContents Important safeguards Important safeguards Checking accessories Inserting the batteries into the remote controlPreparing your projector Preparing your projector OverviewControl area Terminal panelRemote control Using the picture quality adjusting buttonsAdjustment feet Bottom sideUsing the remote control Operational range of the remote controlReception angle Front of projector Rear of projectorSetting up your projector Setting up the screenBasic setup Adjusting the projection angleSetting up your projector Front projection, ceiling mountingTrigger terminal Rear projectionWhen the aspect ratio of the screen is When the aspect ratio of the image isScreen size and projection distance Connecting the projector to video equipment Viewing video imagesBasic home theater system connection PreparationConnecting to a video player, etc Connecting to a DVD player or Hdtv decoderWhen a TV tuner or VCR is connected Viewing video imagesConnection for video equipment having an Hdmi terminal Connection for video equipment having a DVI-D terminalPlugging in the power cord Projecting images To stop projecting Setting the aspect ratio ZOOM1 ZOOM2 StretchHow to change the settings With the remote controlWith the Feature menu See page 25 for menu setting Connecting the projector to a computer Plugging the power cordViewing computer images About DDCViewing computer images Projecting imagesWhen connecting to a notebook computer Example of the setting procedure for external outputAuto Position button Menu operation Display InputHow to set the menus Available settings in the menusMenu operation Image menuInstallation menu Feature menu Signal menu User menuTo store the settings To enable the stored image quality settingsAV memory Information menuAdjusting projected images To adjust the brightness Contrast and BrightnessTo adjust the color Color and Tint To sharpen or soften the projected image SharpnessAdjusting projected images To adjust the tone of white Color TempAbout color temperature To enable the stored color temperatureTo adjust the ratio of change in brightness Gamma Mode To enable the stored gamma modeHigh MIDTo adjust the vertical position LPFAdvanced features Password functionTo enable the password function To cancel the password functionInterval of lamp replacement Replacing the lampReset of the lamp operation time When removing the lamp from the ceiling-mounted projectorReplacing the lamp To replace the lampMaintenance Cleaning of the air-filterCleaning of the projector and the ventilation slots Cleaning of the lensTroubleshooting No image appears on the screen Problem SolutionTroubleshooting Images are not displayed correctly Problem SolutionOthers Problem Solution Indicators Status Condition Possible SolutionNormal condition Abnormal conditionDimension drawings unit mm SpecificationsSpecifications Connectors Replacement part Option/not included in the boxComputer IN/COMPONENT Video Hdmi DVI-D HdcpMitsubishi Projector Contact Information