Panasonic PT-AE8000U User Manual

Page of 110
Care and replacement
ENGLISH
 - 91
Maintenance
 
■ Lamp unit replacement procedure
Attention
 
z
Once a lamp unit has exceeded its lifespan of 4 000 
hours (when [LAMP POWER] is set to [NORMAL]) the 
projector can only be used for 10 minutes after turning 
on. (
 page 90) 
 
z
Perform steps 20) to 23) of the procedure within 10 
minutes.
 
z
If the projector is installed on the ceiling, do not carry out 
any replacement procedure directly underneath the lamp 
unit and keep your face away from the unit.
 
z
Do not open the top cover except when replacing the 
lamp unit.
 
z
Do not switch the power on while the top cover is 
opened.
 
z
Always replace the air filter and electrostatic filter 
whenever replacing the lamp unit.
 
z
Install the lamp unit and the lamp cover securely.
1)   Press the <OFF> side of the <MAIN 
POWER> switch to turn off the power as 
described in the “Switching off the power” 
procedure (
 
page 30), remove the power 
plug from the power outlet, and then after an 
hour or more, check if the area surrounding 
the lamp unit has cooled down.
2)   Remove the video cable connected to the 
connecting terminal.
Attention
 
z
If you open the top panel fully, it may come into contact 
with connectors such as the video cable which may result 
in breakage of the video cable. Before opening the top 
panel, be sure to remove the connected video cables, 
etc.
3)   Hold the protrusions at the front corner 
of the top cover of the projector and 
push up to open.
*  When the projector is mounted on the ceiling, stand 
at the lens side of the projector when opening/
closing the top cover.
Top cover
Protrusion
Attention
 
z
Be careful not to open the top panel too far. For what 
to do if the top panel comes off, see ”Attaching the top 
cover” (
 page 93).
4)   Use a Philips screwdriver to unscrew 
the lamp cover fixing screw (one) until 
it becomes loose, and then remove the 
lamp cover.
* Slowly remove the lamp cover from the projector.
Lamp cover
Lamp 
cover fixing 
screw
5)   Use a Phillips screwdriver to unscrew the 
lamp unit fixing screws (2 screws) until 
loose.
6)   Hold the handle of the lamp unit and with 
the lamp unit lock held in the direction of 
the black arrow, carefully pull it out of the 
projector unit in a vertical motion.
Lamp unit fixing 
screws
Handle
Lamp unit lock
7)   Replace the new lamp unit while making 
sure that the direction of insertion is 
correct. Press the top of the lamp unit 
downwards and make sure the unit is 
installed securely. Tighten the lamp unit 
fixing screws (2 screws) securely with a 
Phillips screwdriver.
 
z
Press down on the A part firmly when inserting the 
lamp unit.
8)   Mount the lamp cover, and tighten the lamp 
cover fixing screw (one screw) securely with 
a Phillips screwdriver.
9)   Close the top cover of the projector.
 
z
Close the top cover using the reverse of the 
procedure in 3), and press the center of the top 
cover.
10)  Reconnect the video cable disconnected 
in 2) to the connecting terminal.