Lamp Unit Replacement Procedure - Panasonic PT-AT5000E Operating Instructions Manual

Care and replacement

■ Lamp unit replacement procedure

Attention
Once a lamp unit has exceeded its lifespan of 4 000
z
hours (when [LAMP POWER] is set to [NORMAL]) the
projector can only be used for 10 minutes after turning

on. ( page 85)
Perform steps 20) to 23) of the procedure within 10
minutes.
If the projector is installed on the ceiling, do not carry out
z
any replacement procedure directly underneath the lamp
unit and keep your face away from the unit.
Do not open the top cover except when replacing the
z
lamp unit.
Do not switch the power on while the top cover is
z
opened.
Always replace the air filter and electrostatic filter
z
whenever replacing the lamp unit.
Install the lamp unit and the lamp cover securely.
z
1) Turn off the <MAIN POWER>
switch, remove the power plug from thve
power outlet, and then wait at least one
hour before checking whether the area
surrounding the lamp unit has cooled down.
2) Remove the video cable connected to the
connecting terminal.
Attention
If you open the top panel fully, it may come into contact
z
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.
Protrusion
Top cover
Attention
Be careful not to open the top panel too far. For what to
z
do if the top panel comes off, see "Care and replacement"
in "Operating Instructions - Functional Manual".
86 - ENGLISH
4)
* Slowly remove the lamp cover from the projector.
( page 30)

5)
6)
Handle
7)
8)
9)
10)
Use a Philips screwdriver to unscrew
the lamp cover fixing screw (one) until
it becomes loose, and then remove the
lamp cover.
Use a Phillips screwdriver to unscrew the
lamp unit fixing screws (2 screws) until
loose.
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.
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.
Press down on the A part firmly when inserting the
z
lamp unit.
Mount the lamp cover, and tighten the lamp
cover fixing screw (one screw) securely with
a Phillips screwdriver.
Close the top cover of the projector.
Close the top cover using the reverse of the
z
procedure in 3), and press the centre of the top
cover.
Reconnect the video cable disconnected
in 2) to the connecting terminal.
Lamp
cover fixing
screw
Lamp cover
Lamp unit fixing
screws
Lamp unit lock