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