Panasonic PT-LB78U manual Care and Replacement, Cleaning the projector

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Maintenance

Care and Replacement

Cleaning the projector

Before cleaning the projector

Switch off the projector and disconnect the power plug from the wall outlet.

Unplug all the cables from the projector.

Cleaning the outer surface of the projector

Wipe off dirt and dust gently with a soft cloth.

If it is difficult to remove the dirt, soak a cloth with water, wring the cloth well and then wipe the projector. Dry off the projector with dry cloth.

Do not use petroleum benzine, thinner, any alcoholic solvent, kitchen detergents or chemical clothes. Failure to observe these may result in altered or damaged surface of the projector.

Cleaning the front glass surface

Wipe off dirt and dust gently with a lint-free cloth.

Make sure no dirt or dust remains on the surface of the lens cover glass. It will be enlarged and projected onto a screen.

NOTE:

• Clean the front glass with special care. Giving a shock may cause serious damage.

Cleaning the air filter

If the air filter is excessively dirty, the internal temperature of the projector increases and may cause malfunction. Clean the air filter regularly every 100 hours of usage.

1.

Turn the projector upside down and place it gently

Tab

 

on a soft cloth.

Air filter

2.

press the tab and slightly slide up the air filter to

 

 

remove.

 

3.

Vacuum dirt and dust from the air filter.

 

Do not wash the air filter.

4. Place and slightly slide in the air filter in the air intake port to attach.

Make sure the air filter clicks into the place.

NOTE:

• Do not use the projector without attaching the air filter.

Replacing the air filter

The air filter should be replaced when cleaning is ineffective and when replacing lamp unit. A replacement air filter is provided with a replacement lamp unit (ET-LAB80). Contact an Authorized Service Center for the optional air filter (TXFMZ01VKG7).

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Contents PT-LB80U PT-LB78U PT-LB75NTU PT-LB75U Important Safety Notice Important InformationModel number PT-LB80NTU /PT-LB80U /PT-LB78U /PT-LB75NTU /PT-LB75UDeclaration of Conformity Important Safety NoticePanasonic Contents Settings MaintenanceContents AppendixPrecautions with regard to safety Precautions with regard to safety Do not set up the projector outdoorsDo not look into the lens while the projector is being used Always disconnect all cables before moving the projectorRemove the used batteries from the remote control promptly Do not put your weight on this projectorUse only the specified batteries Do not mix old and new batteriesSecurity Order to get the best picture qualityOptical components Liquid crystal panelM 5’10 AccessoriesK1HA15DA0002 Read this first Minimum required setting screenPreparation About Your Projector Projector bodyTop and front view Control panelBack and bottom view Remote control Battery compartment Top viewAbout Your Projector Attaching a hand strapSetting up Calculation methods for screen dimensionsScreen size and throw distance StartedFront leg adjusters and throwing angle Setting upProjection method Mounting in the ceiling and projecting from frontConnecting example AV equipment Connecting example ComputersConnecting with Video IN/S-VIDEO ConnectionsSwitching the projector on/off Power cordConnecting Direct power off functionSwitching on the projector Switching the projector on/offBy control panel operation By remote control operation By direct power on functionSwitching off the projector By remote control operationBy direct power off function By control panel operationPower and Power Lock indicators Power Lock indicator statusPower indicator status IndicatorProjecting an image Selecting the input signalPositioning the image Remote control operation Setting up the image position automaticallyOperating range Facing to the projectorSwitching the input signal Resetting to the factory default settingsRemote control operation Capturing an imageProjecting an image in INDEX-WINDOW mode Using an assigned functionControlling the volume of the speaker OperationEnlarging the centered area Enlarging the imageShifting the center point Press any side of the Digital Zoom +/- button onceMenu Navigation Navigating through the MenuStill Mode Main menu and Sub-menuMenu Navigation TV-SYSTEMClosed Caption Setting Picture menu For S-VIDEO/VIDEO signals Detailed SetupFor RGB signals Position menu Frame Lock Position menu169 S43Option menu Lamp Power Power OFF TimerDirect Power on Auto SetupClosed Caption Setting Function ButtonTest Pattern Option items ReferPassword Change Input PasswordSecurity menu Text DisplayItems in Wireless menu Wireless menuWireless menu, the following items are available Lamp and Temp Indicators Managing the indicated problemsLamp indicator Temp indicatorCare and Replacement Cleaning the projectorCare and Replacement When to replace the Lamp unitReplacing the Lamp unit Before replacing the lamp unitResetting the Lamp Runtime Care and Replacement Replacement procedureRemoving and replacing the lamp unit Troubleshooting List of compatible signals Technical InformationQuality*2 Dots*1 KHz MHzSerial terminal Technical Information Cable specifications Control commandsComputer connection guidance ProjectorPT-LB80NTU Screen size and throw distance for 169 aspect ratioPT-LB75NTU Specifications Video ComputerAudio Computer AudioTrademark acknowledgements DimensionsUnit mm Index Power IndexAvis important concernant la sécurité Information ImportanteNuméro de modèle Numéro de sérieAvertissement Avis important concernant la sécuritéDéclaration de conformité Précautions de sécurité AvertissementsMises EN Garde Précautions de sécuritéNe pas obstruer les orifices dentrée et de sortie dair Ne pas utiliser le projecteur à lair libreRetirer les piles usées de la télécommande au plus vite Précautions lors du transportSinon cela peut causer des chocs électriques Utiliser uniquement les piles spécifiéesPrécautions lors de linstallation Précautions lors de lutilisationSécurité Affichage à cristaux liquidesDélai de remplacement de lUnité de la lampe Remplacement de lunité de la lampeAvant de remplacer le lunité de la lampe Retirer et remplacer la lampe Réinitialisation de Durée DE LA LampeSur Valider LA Lampe