Mitsubishi Electronics HC6800 user manual Replacing the lamp continued, To replace the lamp

Page 37
Replacing the lamp (continued)

Replacing the lamp (continued)

To replace the lamp:

1.Turn off the main power switch and unplug the power cord.

2.Loosen two screws (a) using a Phillips screwdriver

(+) and remove the left side panel from the projector.

To replace the lamp:(a)

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

(b)(c)

4.Loosen the screws (d) using a Phillips screwdriver

(+).

(d)

5.Pull the handle.

6.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.

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

8.Put the handle back to the original position.

Make sure that the handle is locked.

9.Tighten up the screws (d) using a Phillips screwdriver (+).

(d)

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

(b) (c)

11.Attach the left side panel to the projector and fix it with two screws (a).

Reset of the lamp operation time(a)

Reset of the lamp operation time

12.Plug the power cord into the wall outlet and turn on the main power switch.

13.Hold down the t, u, and POWER buttons on the control panel at the same time about 3 seconds.

Important:

Unless these 3 buttons are held down 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.

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-37

Image 37
Contents HC6800 MODELHC6800 LCD PROJECTORREFER SERVICING TO QUALIFIED SERVICE PERSONNEL SHOCK, DO NOT REMOVE COVER OR BACK NO USER-SERVICEABLE PARTS INSIDETHE PROJECTOR IS IN THE POWER ON MODE CAUTION TO REDUCE THE RISK OF ELECTRICTrademark, Registered trademark ContentsEN-4 Important safeguardsDo not keep using the damaged projector Important safeguards continuedDo not look into the lens when it is operating Do not unplug the power cord during operationInserting the batteries into the remote control Checking accessoriesPreparing your projector Preparing your projector continued Indicator areaOverview Attaching the lens capUsing the picture quality adjusting buttons Remote controlBottom side Adjustment feetOperational range of the remote control Using the remote controlReception angle Front of projectorSetting up the screen Setting up your projectorWhen the aspect ratio of the screen is Screen size and projection distanceWhen the aspect ratio of the screen is 2.351 CinemaScope Setting up your projector continuedScreen size and projection distance continued When the aspect ratio of the image isWhen fine streaks are seen on projected images Adjusting the position of the projected imageWhen projected images are distorted to a trapezoid Correcting skewed or distorted imageTRIGGER terminal Front projection, ceiling mountingRear projection Viewing video images A. Connecting the projector to video equipmentBasic home theater system connection PreparationConnecting to a DVD player or HDTV decoder Connecting to a video player, etcViewing video images continued When a TV tuner or VCR is connectedEN-16 Connecting to video equipment having a HDMI terminalConnection for video equipment having an HDMI terminal EN-17 B. Plugging in the power cordEN-18 C. Projecting imagesEN-19 To stop projectingEN-20 Setting the aspect ratioWith the remote control How to change the settingsWith the FEATURE menu See page 26 for menu setting B. Plugging the power cord A. Connecting the projector to a computerViewing computer images About DDCViewing computer images continued Setting of the resolution When connecting to a notebook computerAUTO POSITION button Example of the setting procedure for external outputEN-25 Menu operationAvailable settings in the menus How to set the menusMenu operation continued 1. IMAGE menuEN-27 2. INSTALLATION menuEN-28 3. FEATURE menuEN-29 4. SIGNAL menu5. USER menu To store the settings AV memoryTo enable the stored image quality settings 6. INFORMATION menuTo adjust the brightness CONTRAST and BRIGHTNESS Adjusting projected imagesTo adjust the color COLOR and TINT To sharpen or soften the projected image SHARPNESSTo adjust the tone of white COLOR TEMP Adjusting projected images continuedTo adjust the tone of white To customize the color temperature About color temperatureNoise reduction To adjust the ratio of change in brightness GAMMA MODETo enable the stored gamma mode TRNR temporal recursive noise reductionLPF Progressive filter How to adjust the image supplied from the computer using the menuSimple method to adjust the image position To adjust the horizontal positionPassword function Advanced featuresTo enable the password function To cancel the password functionReplacing the lamp Interval of lamp replacementTo replace the lamp Replacing the lamp continuedReset of the lamp operation time EN-38 When removing the lamp from the ceiling-mounted projectorCleaning of the lens Cleaning of the projector and the ventilation slotsEN-39 For the air-filter whiteProblem TroubleshootingSolution EN-40No image appears on the screen. continued Troubleshooting continuedImages are not displayed correctly Others Images are not displayed correctly. continuedNormal condition IndicatorsAbnormal condition Dimension drawings unit mm SpecificationsSpecification of RGB signals in each computer mode of the projector Specifications continuedEN-45 Replacement part option/not included in the box ConnectorsEN-46 1 Zusho Baba, Nagaokakyo-City, Kyoto Japan MITSUBISHI ELECTRIC CORPORATION