Panasonic PT-DZ770E Guia De Utilização

Página de 124
Maintenance/replacement
ENGLISH - 107
Maintenance
Replacing the lamp unit
Attention
 
z
When the projector is mounted on the ceiling, do not perform tasks while your face is near the lamp unit.
 
z
Make sure to attach the lamp unit and lamp unit cover properly.
 
z
If the lamp unit is not installed properly, remove it and then attach it again. Pushing it in forcibly may break the 
connector.
1)  Follow the procedures described in 
“Switching off the projector” (
 page 38)
 
to set the <MAIN POWER> switch to 
<OFF>, disconnect the power plug 
from the power outlet, and wait at least 
one hour, and then check if the lamp 
unit has cooled down.
2)  Remove the lamp unit cover.
(i)  Use a Phillips screwdriver to loosen the 
lamp unit cover fixing screw (one screw) 
until it turns freely, and then open the lamp 
unit cover in the direction of the arrow.
(ii)  Hold the lamp unit cover securely and slide 
it towards the control button side, and then 
pull it from the rear of the set to remove.
(i)
(ii)
Lamp unit cover
Lamp unit cover 
fixing screw
3)  Use a Phillips screw driver to remove 
the lamp unit fixing screws (three 
screws each), and then holding 
thehandles, pull out the lamp unit from 
the projector.
Handles
Lamp unit 1
Lamp unit 2
Lamp unit fixing screw
4)  Carefully push the new lamp unit into 
the projector.
5)  Use a Phillips screw driver to tighten 
the lamp unit fixing screws (three 
screws each).
6)  Attach the lamp unit cover.
(i)  Align the lamp unit cover with the (a) and (b) 
marks (  and  ) to attach.
(ii)  Slide the lamp unit cover in the direction of 
the arrow to insert the front end and then 
firmly tighten the lamp unit cover fixing 
screws.
z
Attach so that the connector of the lamp unit 
cover is firmly inserted into the fan power 
connector.
(i)
(ii)
(a)
(b)
Fan power supply connector
Lamp unit cover 
fixing screw
Lamp unit cover
Note
 
z
When you place the new lamp unit, the projector 
resets the total usage time of the lamp unit 
automatically.