Panasonic PT-L720U manual Lamp unit replacement period, Cleaning procedure

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Cleaning and replacing the air filter

Replacing the lamp unit

If the air filter becomes clogged with dust, the internal temperature of the projector will rise, the TEMP indicator will flash and the projector power will turn off. The air filter should be cleaned every 100 hours of use, depending on the location where the projector is being used.

Warning

When replacing the lamp, allow it to cool for at least one hour before handling it.

Lamp unit replacement period

The lamp is a consumable product. Even when the full life of the bulb

Cleaning procedure

#Turn off the MAIN POWER switch and disconnect the power cord plug from the wall outlet.

Turn off the MAIN POWER switch according to the procedure given in “Turning off the power” on page 27 before disconnecting the plug from the wall outlet.

$Gently turn the projector upside down.

NOTE:

BPlace the projector on top of a soft cloth so that it will not become scratched.

%Remove the air filter.

Put your fingernails under the air filter and pull the air filter out of the projector.

&Clean the air filter.

Use a vacuum cleaner to clean off any accumulated dust.

NOTE:

BBe careful not to let the air filter get sucked into the vacuum cleaner.

'Install the air filter.

NOTE:

BBe sure to install the air filter cover before using the projector. If the projector is used without the air filter cover installed, dust and other foreign particles will be drawn into the projector, and malfunctions will result.

BIf the dust cannot be removed by cleaning, it is time to replace the air filter. Please consult your dealer. Furthermore, if the lamp unit is being replaced, replace the air filter at this time also.

BThe lamp cover gets very hot, and contact with it can cause burns.

Notes on replacing the lamp unit

BThe light generating lamp is made of glass, so dropping it or allowing it to hit hard objects may cause it to burst. Be careful when handling the lamp.

BAfter having removed the old lamp, carelessly discarding it can cause the lamp to burst. Dispose of the lamp with the same care that would be taken with a fluorescent light.

BA Phillips screwdriver is necessary for removing the lamp unit. Make sure that your hands are not slippery when using the screwdriver.

NOTE:

BThe projector is not supplied with a replacement lamp unit. Please ask your dealer for details. Lamp unit product no.: ET-LA730

CAUTION:

BDo not use any lamp unit other than the one with the product number indicated above.

has not been exhausted, the brightness of the light will gradually decline. Therefore periodic replacement of the lamp is necessary.

The intended lamp replacement interval is 2 000 hours, but it is possible that the lamp may need to be replaced earlier due to variables such as a particular lamp's characteristics, usage conditions and the installation environment. Early preparation for lamp replacement is encouraged.

A lamp that has exceeded 2 000 hours of use has a much greater chance of exploding. In order to prevent the lamp from exploding, the lamp will be automatically shut off when 2 000 hours of use have been reached.

NOTE:

BThe usage hours explained above are for use when the HIGH setting has been selected for LAMP POWER in the OPTION2 menu. If the LOW setting is selected, the brightness of the lamp will be less and life of the lamp can be extended.

BWhile 2 000 hours is the intended replacement interval, it is not a period of time covered by warranty.

Others

Air filter

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Contents Model No. PT-L720U LCD Projector Commercial UseModel number PT-L720U / PT-L520U Dear Panasonic CustomerSerial number Declaration of ConformityPrecautions with regard to safety ContentsInsert the power cord plug securely into the wall outlet Do not handle the power cord plug with wet handsDo not place the projector into water or let it become wet Do not place liquid containers on top of the projectorDo not put your weight on this projector AccessoriesUse only the specified batteries Do not mix old and new batteriesPrecautions on handling Location and function of each part Projector control panel Remote control unitAbout the RGB Input indicator Connector panelAbout the automatic setup function Wireless mouse Using the remote control unitLaser beam pointer Connections Inserting the batteriesOperating range Preparation Projection methods Setting-upProjection distances Projector positionTurning off the power Turning on the powerStarting to use Menu screens On-screen menusMain Menu Returning a setting to Using the freeze functionFactory default Menu operation guidePress the Menu button to return to the normal screen # Press a D.ZOOM +/- buttonPress the Menu button to return to the previous screen Adjusting the picture Adjusting the position Resizing AspectAuto OFFOption settings Using the shutter function Using the Index Window functionChanging the display language Func Control KEYUsing the Serial connector Remedy IndicatorsCleaning procedure Lamp unit replacement periodTurn off the power Lamp unit replacement procedurePress and hold the Enter button for approximately 3 seconds Before calling for service Remote control unit Power supply Operating range SpecificationsPT-L720U PT-L520U Horizontal scanning Frequency Vertical scanningDimensions List of compatible signalsTrademark acknowledgements Avertissement Précautions de sécuritéNe pas surcharger la prise de courant Ne pas retirer le capot ou le modifierNe pas placer des récipients de liquide sur le projecteur Ne pas placer le projecteur sur des surfaces instablesNe pas mettre d’objets étrangers dans le projecteur Pendant un orage, ne pas toucher le projecteur ou le câbleAvertissements concernant la manipulation Avertissements concernant l’installationPériode de remplacement du bloc de lampe Remplacement du bloc de lampeRemarque La mise hors tension, se Méthode de remplacement du bloc de lampeBloc de lampe Panasonic Broadcast & Television Systems Company 800 222 Mail pbtsservice@panasonic.comTechnical Support Panasonic Canada Inc