Panasonic PT-LB78U manual Care and Replacement Replacement procedure, English, Maintenance

Care and Replacement

Replacement procedure

Removing and replacing the lamp unit

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

Lamp unit cover

Lamp unit cover fixing screws

2.Use a Phillips-head screwdriver to loosen the 3 lamp unit fixing screws.

Handles

Lamp unit fixing screws

3.Pull the used lamp unit gently from the projector.

Grip the handle and keep the lamp unit paralleled when you remove the lamp. Some parts of the lamp unit are sharpened and may cause injury.

4.Replace the new lamp unit in correct direction.

5.Press in the lamp unit until it clicks and make sure the unit is installed securely.

6.Tighten the 3 lamp unit fixing screws securely with a Phillips-head screwdriver.

Lamp unit

fixing screws Press here

7.Attach the lamp unit cover and tighten the 2 lamp unit cover fixing screws securely with a Phillips- head screwdriver.

NOTE:

•Be 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.

•Do not switch the power on while the lamp unit cover removed.

•Handle the lamp unit with special care as that is a glass product. Dropping or giving a shock may cause burst or damage.

Resetting the LAMP RUNTIME

1.Connect the power cord to a wall outlet, and switch on the projector.

2.Press the MENU button to display the menu.

3.Press F G to select OPTION and press ENTER.

4.Press F G to select LAMP RUNTIME.

Maintenance

5.Press and hold the ENTER button for approximately 3 seconds.

6.The confirmation screen will be displayed and select OK.

7.Reset the projector by unplugging and plug again the power cord.

8.Display the LAMP RUNTIME menu again and confirm the duration of time is reset to “0 H”.

ENGLISH - 42