Panasonic PT-LW25HU Projector User Manual


 
ENGLISH -
61
Maintenance
Replacement
Before replacing the unit
When you perform maintenance or replacement of the parts, make sure to turn off the power and disconnect
z
the power plug from the wall outlet. (
Æ
pages 29, 31)
Be sure to observe the procedure “Turing off the projector” (
z
Æ
page 31) when performing power supply
operation.
Maintenance
Outer Case
J
Wipe off dirt and dust using a soft dry cloth.
If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector
z
with a dry cloth.
Do not use benzene, thinner, or rubbing alcohol, other solvents, household cleaners, or chemical treated
z
dusters. Using them may cause deterioration of the outer case.
Front glass surface of the lens
J
Wipe off the dirt and dust off the front surface of the lens with soft clean cloth.
Do not use a cloth that has an abrasive surface or a cloth that is moist, oily, or covered with dust.
z
Do not use excessive force when wiping the lens as it is fragile.
z
Attention
The lens is made of glass. Impacts or excessive force when wiping may scratch its surface.
z
Please handle with care.
Replacing the unit
Air lter unit
J
Filter prevents dust from accumulating on the optical
elements inside the projector. Should the lter become
clogged with dust particles, it will reduce cooling fans’
effectiveness and may result in internal heat buildup
and adversely affect the life of the projector.
If a “Filter warning” icon appears on the screen,
replace the lter immediately.
Replacement of the air lter unit
J
Remove the air lter unit.1 )
Turn over the projector. Place the latch in the OPEN position and pull out the lter(bottom) in the arrow
z
direction.
2 ) Replace the air lter unit.
Put new lter back into the position. Make sure that the lter is fully inserted to the projector, and place
z
back the latch in the LOCK position.
Resetting the Filter Counter
J
Be sure to reset the [Filter counter] after replacing the lter. (
Æ
page 58 "
Filter counter reset
")
Filter
Latch