Panasonic PT-LB90U, PT-LB90NTU, PT-LB78VU, PT-LB75VU JJLamp replacement procedure

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Care and Replacement

JJLamp replacement procedure

zzWhen the projector is mounted in the ceiling, do not work directly under the projector or put your face close to the projector.

zzBe sure to install the lamp unit and attach the lamp unit cover securely. If they are not installed securely, it may cause the protection circuit to operate so that the power cannot be turned on.

1111 Disconnect the power plug from the wall outlet according to “Switching off the projector” (Æpage 22), wait for at least 1 hour, and check if the lamp unit bottom is cooled.

2222 Use a Phillips-head screwdriver to loosen the 2 lamp unit cover fixing screws on the back of the projector until the screws turn loose, and remove the lamp unit cover.

Lamp unit cover fixing screws

Lamp unit cover

3333 Use a Phillips-head screwdriver to loosen the 3 lamp unit fixing screws. Pull the used lamp unit gently from the projector.

Lamp unit fixing screws

Handles

4444 Press in the lamp unit until it clicks and make sure the unit is installed securely. Tighten the 3 lamp unit fixing screws securely with a Phillips-head screwdriver.

When inserting, in particular press the portion of securely.

Maintenance

Lamp unit cover fixing screws

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Contents PT-LB90U PT-LB78VU PT-LB75VU Serial number ImportantSafetySafetyNotice NoticeDeclaration of Conformity Important Safety NoticePanasonic Environment care information for users in ChinaContents Settings ContentsMaintenance AppendixPrecautionswith regardwithtoregardsafety to safety Precautions with regard to safety ZzDo not set up the projector outdoors Do not put your weight on this projectorDo not place the projector in extremely hot locations Always disconnect all cables before mov- ing the projectorSecurity Cleaning and maintenanceDisposal TXFQB02VKJ2 Precautions with regard to safety AccessoriesRead this first Jjinitial SettingRead this first JjlanguageProjector body AboutYourYourProjectorProjectorJJTop and front view JJControl panelBack and bottom view About Your ProjectorJJTerminals JJTop view About Your Projector Remote controlFront view Setting up Setting upScreen size and throw distance Front leg adjusters and throwing angle Setting up Projection methodSetting on a desk/floor Projecting from rear Using translucent screenConnecting example AV equipment Before connecting to the projectorConnectionsConnections Connections Connecting example Computers Connecting Power cordJJDisconnecting JJDirect power off functionPower indicator status Power Lock indicator statusIndicator status Status Connect the power cord. Æpage Switching the projector on/off Switching on the projectorPress the Release button to unlock the Power button Press the Power buttonPress the Power button again Switching the projector on/off Switching off the projectorAudio Setting Projecting an image Selecting the input signalProjecting an image Positioning the imageRemotecontrolcontrolope ationoperation Switching the input signalCapturing an image Stopping the projection temporarilyResetting to the factory default settings Setting up the image position automaticallyControlling the volume of the speaker JJINDEX-WINDOW displayPress the Enter button Select OK JJButton functions in digital zoom modeJJResetting to the factory default settings JJOperating procedureMenu Navigation Navigating through the MenuSub-menu ON-SCREEN MenuMain menu JjpicturePosition Jjprojector SetupJjdisplay Option SecurityColor Temperature Picture ModeContrast BrightnessDaylight View Still ModeNoise Reduction TV-SYSTEMRealtime Keystone Clock PhaseKeystone ShiftAspect Over ScanPosition menu JJS43 Frame LockJjthrough Language menu Language menuDISPLAYOPTIOPTIONmenu menu Closed Caption SettingON-SCREEN Display Signal Search Auto SetupStartup Logo Display Option menuSxga Mode Wide ModeOther Functions Projector Setup menuPROJECTOR Setup menu Standby Mode Projector Setup menuLamp Power Lamp RuntimeFunction Button Audio SettingInitialize ALL Test PatternChange Pattern Password Change PasswordSecurity menu Text DisplayControl Device Setup Menu Lock PasswordRemote Controller Menu LockJjwireless LAN Jjwired LANJjinput Password Jjstatus Jjpassword ChangeJjtemp indicator Lamp indicatorCare and Replacement Care and ReplacementBefore Care and Replacement Cleaning the projectorJJNote on lamp unit replacement Care and Replacement Replacing the Lamp unitJJLamp unit replacement time JJLamp unitJJLamp replacement procedure Lamp runtime is reset to TroubleshootingTroubleshooting This projector can project the following image signals TechnicalInformatiInformation List of compatible signalsJJCommunication settings JJPin assignments and signal namesTechnical Information Serial terminal JJConnectionControl commands Cable specificationsTechnical Information LAN terminalComputer SpecificationsComputer Audio PT-LB90NTU SpecificationsCeiling mount bracket safeguards Trademark acknowledgements DimensionsUnit mm Index IndexNuméro de série Avisimportantconcernantconcernantla sécurité la sécuritéAvertissement Avis important concernant la sécuritéDéclaration de conformité Avertissement Précautions de sécuritéPendant un orage, ne pas toucher le projecteur ou le câble Ne pas surcharger la prise de courantMise EN Garde Précautions de sécuritéPrécautions lors du transport Précautions lors de l’installationNe pas utiliser une lampe usagée ZzNe pas utiliser le projecteur en extérieurSécurité Précautions lors de l’utilisationNettoyage et entretien Mise au rebutJJRemarque sur le remplacement de l’unité de la lampe Remplacementde lunitédelunitéa lampe de la lampeJJFiltre à air JJL’unité de lampeJJProcédure de remplacement de la lampe Remplacement de lunité de la lampeAppuyer sur la touche Alimentation La durée de la lampe est redéfinie sur « 0 »