Mitsubishi Electronics HC900 user manual Maintenance, To replace the lamp, Cleaning of the lens

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To replace the lamp:

 

1.

Reverse the projector gently.

 

2.

Loosen the screw (a) using a Phillips screwdriver (+), and

(b)

(a)

remove the lamp cover (b).

 

 

3.

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

 

4.

Pull up the handle.

(c)

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 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.

 

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

 

(c)

(+).

 

9.

Tighten up the screw (a) using a Phillips screwdriver (+)

 

 

to secure the lamp cover.

ENGLISH

Reset of the lamp operation time

Plug in the power cord, turn on the lamp, and reset the lamp operation time by keep pressing the $, %, and POWER buttons on the control panel at the same time about three seconds.

Important:

Unless these three 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.

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 US only).

Maintenance

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 benzine 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 HC900 Compliance Notice When using the projector in EuropeContents Important safeguards Do not block the air inlet and outlet grilles Place of installationNever remove the cabinet Do not modify this equipmentControl Checking accessoriesPreparating your projector Inserting the batteries into the remoteButton OverviewControl area Terminal panelPreparating your projector Continue Remote controlUsing the picture quality adjusting buttons Adjustment foot Front Lamp cover Adjustment feet RearOperational range of the remote control Using the remote controlReception angle Adjusting the projection angle Setting up your projectorSetting up the screen Basic setupScreen size and projection distance When the aspect ratio of the screen isPreparations Connecting the projector to video equipmentViewing video images Basic home theater system connectionConnecting to a DVD player Connecting to a Video player, etcWhen a TV tuner or VCR is connected Connecting to video equipment having a DVI-D terminal Plugging in the power cordViewing video images Preparation Projecting imagesTo stop projecting When projected images are distorted to a trapezoidCineFocus button With the Feature menu Setting the aspect ratioHow to change the settings With the remote controlFor digital connection Connecting the projector to a computerPlugging the power cord Viewing computer imagesEN-19 Auto Position button When connecting to a notebook computerExample of the setting procedure for external output Viewing computer imagesMenu operation How to set the menusImage menu Available settings in the menusInstallation menu Menu operationSignal Menu Feature menuTo sharpen or soften the projected image Sharpness Adjusting projected imagesTo adjust the brightness Contrast and Brightness To adjust the color Color and TintAbout color temperature To adjust the tone of white Color TempTo enable the stored color temperature To adjust the vertical position Adjusting projected imagesLPF Progressive filter To cancel the password function Advanced featuresPassword function To enable the password functionHow to use the installed functions Advanced featuresInstallation other device’s remote commands How to installDimension Drawings unit mm Asking for installationReplacing the lamp Interval of lamp replacementReset of the lamp operation time MaintenanceCleaning of the projector and the ventilation slots Cleaning of the lensNo image appears on the screen Problem Solution TroubleshootingImages are not displayed correctly Problem SolutionOthers Problem Solution TroubleshootingTemperature Status Condition IndicatorsNormal condition Abnormal conditionReplacement part Option / Not included in the box SpecificationsDVI-D Hdcp ConnectorsNorth America Mitsubishi Projector Contact Information