Mitsubishi Electronics HC7900DW Replacing the lamp, When the projector is mounted to the ceiling

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Replacing the lamp (continued)

To replace the lamp:

A) When the projector is placed on the table

Make sure that the projector is securely held in place.

1.Remove the cover (a) of the screw fixing the lamp cover with a fingernail. If it is difficult to remove it with a fingernail, use a finetipped tool such as flathead screwdriver.

(a)

2.Remove the screw (b) and slide the lamp cover (c) for removal.

(c)

(b)

3.Loosen the two screws (d) of the lamp unit, and then pull out the lamp unit (f) by the handle (e).

(e)

(d)

(f)

Caution:

When replacing the lamp, do not loosen the screws other than two screws (d). It may cause the failure of projector.

Pull the lamp unit 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 unit or do not place it near any flammable object or where children can reach to prevent injuries or fire.

4.Insert the new lamp unit, and secure it with two screws firmly.

5.Secure the lamp cover with screw (b) back again, and mount the cover (a).

Caution:

Make sure that the lamp cover is secured firmly.

Otherwise, the POWER indicator flashes red and green, disallowing the projector to be powered on.

B) When the projector is mounted to the ceiling

When removing the lamp unit from the projector mounted to the ceiling, never fail to use the lamp replacement attachment to protect yourself from glass fragments and so on.

Contact your dealer when replacing the lamp unit with the projector mounted to the ceiling.

1.Remove the lamp cover referring to the procedure 1 and 2 of “A) When the projector is placed on the table”.

Caution:

When opening the lamp cover to replace the lamp of the ceiling-mounted projector, pay careful attention because glass fragments may exist inside the lamp cover.

2.Loosen the two screws (d) of the lamp unit.

(d)

Caution:

When replacing the lamp, do not loosen the screws other than two screws (d). It may cause the failure of projector.

3.Fold the three taping portions (g) of the lamp replacement attachment along the folding line as shown in the figure.

(g)

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Contents HC7900DW Risk of Electric Shock Do not Open Contents Important safeguards Important safeguards What’s included in the box Inserting the batteries into the remote controlRemoving the batteries from the remote control Preparing your projectorOverview Preparing your projectorControl panel Picture quality adjusting buttons Remote controlPicture quality selection buttons Reception angle Using the remote controlOperational range of the remote control Reception distanceScreen size and projection distance Setting up your projectorSetting up the screen When the aspect ratio of the screen isWhen the aspect ratio of the screen is 2.351 CinemaScope Setting up your projectorWhen the aspect ratio of the image is Correcting skewed or distorted image Adjusting the position of the projected imageWhen fine streaks are seen on projected images When projected images are distorted to a trapezoidRear projection Front projection, ceiling mountingTrigger terminal Preparation Connecting the projector to video equipmentViewing video images Basic home theater system connectionViewing video images Connecting to video equipment having a Hdmi terminalConnection for video equipment having an Hdmi terminal Connecting to a DVD player or Hdtv decoder Plugging in the power cordProjecting images To stop projecting ZOOM1 ZOOM2 Stretch ANAMORPHIC1 ANAMORPHIC2 Setting the aspect ratioWith the remote control How to change the settingsWith the Feature menu See page 29 for menu setting About DDC Connecting the projector to a computerPlugging the power cord Viewing computer imagesViewing computer images Auto Position button When connecting to a notebook computerSetting of the resolution Example of the setting procedure for external output3D images viewing Installing the 3D emitterViewing 3D images Usable 3D glasses and 3D emitterWith the 3D menu To stop the signal emitted from the 3D emitter temporarilyViewing 3D images To convert 2D images to 3D imagesEN-27 Menu operation You can make various settings using the displayed menusMenu operation How to set the menusPress the  or  button to select a menu to use Image menu Menu itemsScreen Size Setting Function Advanced MenuSetup Auto Picture Menu ResetInstallation menu Feature menu Signal menu Information menu With the Image menu Adjusting projected imagesTo adjust the brightness Contrast To adjust the color Color and TintTo enable the stored color temperature Adjusting projected imagesTo adjust the tone of white Color Temp About color temperatureTo optically brighten or darken projected images Iris To change the Iris mode With the remote controlTo use BrilliantColor BLUEMAGENTARED To adjust the ratio of change in brightness Gamma ModeTo enable the stored gamma mode To use Color ManagementLPF Progressive filter To adjust the vertical positionTo cancel the password function Advanced featuresPassword function To enable the password functionReplacing the lamp Interval of lamp replacementReplacing the lamp When the projector is mounted to the ceilingReset of the lamp operation time Cleaning of the projector and the vents MaintenanceCleaning of the lens No image appears on the screen Problem TroubleshootingNo image appears on the screen Problem Solution TroubleshootingImages are not displayed correctly Problem Solution Others Problem Solution EN-49 EN-50 Normal condition IndicatorsPower Status Condition Condition Possible SolutionSerial SpecificationsDimension drawings unit mm HdmiSupported input signals Specifications3D supported signals VLT-HC7800LP ConnectorsSeparately sold items COMPUTER/COMPONENT Video Hdmi 1, HdmiZusho Baba, Nagaokakyo-City, Kyoto Japan