Dukane 8755J-RJ, 8920H-RJ Maintenance, Replacing the lamp, Type number 456-8755H, Lamp cover

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Turn the projector off, and unplug the power cord. Allow the projector to cool for at least 45 minutes.

Maintenance

Maintenance

Replacing the lamp

A lamp has finite product life. Using the lamp for long periods of time could cause the pictures darker or the color tone poor. Note that each lamp has a different lifetime, and some may burst or burn out soon after you start using them. Preparation of a new lamp and early replacement are recommended. To prepare a new lamp, make contact with your dealer and tell the lamp type number.

Type number : 456-8755H

lamp cover

3

Replacing the lamp

 

 

1.

2. Prepare a new lamp. If the projector is mounted on a ceiling, or if the lamp has broken, also ask the dealer to replace the lamp.

In case of replacement by yourself, follow the following procedure.

3. Loosen the screw (marked by arrow) of the lamp cover and then slide and lift the lamp cover to the side to remove it.

Loosen the 3 screws (marked by arrow) of the lamp,

 

 

4. and slowly pick up the lamp by the handles. Never

 

4

loosen any other screws.

Handles

Insert the new lamp, and retighten firmly the 3

 

 

 

5. screws of the lamp that are loosened in the previous

 

 

process to lock it in place.

 

 

While putting the interlocking parts of the lamp cover

 

 

6. and the projector together, slide the lamp cover back in

 

 

place. Then firmly fasten the screw of the lamp cover.

 

 

Turn the projector on and reset the lamp time using

 

 

7. the LAMP TIME item in the OPTION menu.

 

6

(1) Press the MENU button to display a menu.

 

 

 

(2) Point at the ADVANCED MENU in the menu using

 

 

the ▼/▲ button, then press the ► button.

 

 

(3) Point at the OPTION in the left column of the menu

 

 

using the ▼/▲button, then press the ► button.

 

 

(4)Point at the LAMP TIME using the ▼/▲ button, then press the ► button. A dialog will appear.

(5)Press the ► button to select “OK” on the dialog. It performs resetting the lamp time.

CAUTION ►Do not touch any inner space of the projector, while the lamp is taken out.

NOTE • Please reset the lamp time only when you have replaced the lamp, for a suitable indication about the lamp.

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Contents Trademark acknowledgment About this manualThank you for purchasing this projector Contents Checking the contents of package HOT Part namesProjector Control panel Rear panel &9Computer button &17 Remote controlDown button &14 Volume + button &16 STANDBY/ON button &15On a horizontal surface Suspended from the ceiling Setting upArrangement Arrangement Computer Connecting your devicesMonitor VCR/DVD playerConnecting your devices External deviceAbout Plug-and-Play capability Connecting power supply Using the security bar and slotAbout the remote control signal Remote controlInstalling the batteries Changing the frequency of remote control signal Using as a simple PC mouse & keyboardTurning off the power Power on/offTurning on the power STANDBY/ON button Power indicatorOperating Adjusting the volumeSelecting an input signal Temporarily muting the soundVideo button Press the MY Source / DOC. Camera button onComputer button MY Source For a video signal, s-video signal or component video Searching an input signal For a computer signal Signal 43  169   For no signalAdjusting the projectors elevator Adjusting the zoom and focusUsing the automatic adjustment feature Adjusting the positionKeystone button Using the magnify featureCorrecting the keystone distortions MagnifyFreeze button Temporarily freezing the screenTemporarily blanking the screen Blank buttonEasy Menu Using the menu functionReset button Advanced MenuIndication Meaning Position buttonIndication in OSD On Screen Display Auto Keystone Picture ModeAspect ExecuteMirror ECO ModeReset Filter TimeContrast Picture menuBrightness GammaColor High  1 Custom  2 MID Custom TintActive Iris SAVE-1, SAVE-2, SAVE-3, SAVE-4Image menu For a computer signalFor no signal Over ScanAuto Adjust PhaseFor a video signal and s-video signal For a component video signalVideo NR Input menuProgressive Color SpaceFrame Lock Video FormatComputer Resolution Setup menu Standby Mode Monitor OUTSpeaker VolumeAudio menu Audio SourceStart UP Screen menuBlank MyScreen registration is finished Capturing error has occurred. Please try againDescription MyScreen MyScreen Lock MessageSource Name TemplateMode Description Closed CaptionDisplay ChannelAuto Option menuAuto Search Direct onAuto OFF Lamp TimeInputinformation  50, Networkinformation MY ButtonGhost ServiceFAN Speed Filter MessageControl port KEY LockRemote Freq Baud Rate Serial SettingsCommunication Type ParityBytes Interval Timeout Response Limit TimeIt shows the information about the current input Factory ResetInformation Dhcp SetupNetwork menu IP Address DefaultSetup Gateway SubnetProjector NameMY Image AMX D.DInformation Enter the Security menu PasswordSecurity menu SecurityMyScreen Turning on the MyScreen PasswordTurning off the MyScreen Password Turning off the PIN Lock PIN LockTurning on the PIN Lock If you have forgotten your PIN CodeTurning off the Transition Detector Turning on the Transition DetectorTransition Detector Turning off the MY Text Password Turning on the MY Text PasswordMY Text Password MY Text WritingType number 456-8755H MaintenanceReplacing the lamp Replacing the lampHigh Voltage High Temperature Lamp warningCleaning and replacing the air filter Type number MU06481 Filter setCleaning and replacing the air filter Replacing the internal clock battery Hitachi MAXELL, part number CR2032 or CR2032HInside of the projector Caring for the cabinet and remote controlOther care Caring for the lensTroubleshooting Related messagesRegarding the indicator lamps Indicator indicator Description Resetting all settingsPower Shutting the projector downSignal source does not correctly work Electrical power cord is not pluggedSignal cables are not correctly connected Input changeover settings are mismatchedColor Space setting is not suitable Volume is adjusted to an extremely low levelColor settings are not correctly adjusted Mute function is workingLamp is approaching the end of its product Lifetime ECO Mode function is workingNot properly adjusted Lens is dirty or mistySpecification SpecificationsSpecification Specifications