Mitsubishi Electronics HL2750U user manual Replacing the lamp, To replace the lamp

Page 39

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.

(a)

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

 

projector.

 

• Pull the lamp box out of the projector slowly. If it is

 

pulled out quickly, the lamp may break scattering glass

(c)

fragments.

• 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.

(c)

(a)

Important:

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 three seconds.

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

Make sure that the STATUS indicator is lit 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.

Caution:

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.)

EN-39

Image 39
Contents HL2750 Compliance Notice When using the projector in EuropeContents Important safeguards Important safeguards Preparing your projector Checking accessoriesInserting the batteries into the remote control Removing the batteries from the remote controlTerminal board Preparating your projectorOverview Control areaRemote control Bottom sideAbout the laser beam Front of projector Rear of projector Using the remote controlOperational range of the remote control Reception angleSetting up your projector Rear projection Setting up your projectorWall screen Front projection, ceiling mountingScreen size and projection distance When the aspect ratio of the screen isViewing computer images Connecting the projector to a computerPlugging the power cord Viewing computer imagesAbout DDC Projecting images AV mute When connecting to a notebook computerSetting of the resolution To stop projectingViewing video images Connecting the projector to video equipmentConnecting to a video player, etc When a TV tuner or VCR is connectedProjector + DVD player or Hdtv decoder Plugging in the power cordConnecting to video equipment having a DVI-D terminal Viewing video imagesEN-19 Volume from the speaker With the Feature menu Setting the aspect ratioHow to change the settings With the remote controlMenu operation SetupImage menu How to set the menusAvailable settings in the menus Menu operationInstallation menu Feature menu Signal Resolution Memorize menu Signal User menu Signal menuInformation menu To cancel the menu Adjusting projected imagesTo adjust the brightness Contrast and Brightness To adjust the color Color and TintColor Enhancer Adjusting projected imagesTo adjust the tone of white Color Temp About color temperatureEN-30 LPF Progressive filter To adjust the vertical positionSetting of the image displayed during startup or muting Advanced featuresTo cancel the password function Advanced featuresPassword function To enable the password functionExpand Picture in Picture PinPStill PageUp button Mouse remote controlProjector + computer with USB connector OperationSupervising and controlling by computer Major functionsConnection Abnormal condition IndicatorsPossible Solution Normal conditionInterval of lamp replacement Operation time is resetReplacing the lamp To replace the lamp Reset of the lamp operation timeWhen removing the lamp from the ceiling-mounted projector Replacing the lampCleaning of the lens MaintenanceCleaning of the air-filter Cleaning of the projector and the ventilation slotsNo image appears on the screen Problem Solution TroubleshootingImages are not displayed correctly Problem Solution TroubleshootingKensington Lock Others Problem SolutionSpecifications Replacement part option/not included in the boxXGA85 SpecificationsConnectors Dimension Drawings unit mmCOMPUTER/COMPONENT Video IN-1/IN-2 Mitsubishi Electric Corporation
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