Maintenance/Replacement; Before Performing Maintenance/Replacement; Maintenance - Panasonic PT-LB355U Operating Instructions Manual

Maintenance/replacement

Before performing maintenance/replacement

f When you perform maintenance or replacement of the parts, make sure to turn off the power and disconnect the power plug
from the wall outlet. (x page 37)
f Be sure to observe the procedure "Powering Off the Projector" (x page 37) when performing power supply operation.

Maintenance

Outer Case
Wipe off dirt and dust using a soft dry cloth.
f If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector with a dry cloth.
f Do not use benzene, thinner, or rubbing alcohol, other solvents, household cleaners. Using them may cause deterioration of
the outer case.
f When using chemical treated dusters, follow its instruction.
Front glass surface of the lens
Wipe off the dirt and dust off the front surface of the lens with soft clean cloth.
f Do not use a cloth that has an abrasive surface or a cloth that is moist, oily, or covered with dust.
f Do not use excessive force when wiping the lens as it is fragile.
f Do not use benzene, thinner or rubbing alcohol, other solvents or household cleaners. Using them may cause deterioration
of the lens.
Attention
f The lens may be damaged if you hit with a hard object or wipe with excessive force. Please handle with care.
Air filter unit
Perform maintenance of the air filter in the following cases.
f If the time which is set in [Expand] menu → [Filter counter] is elapsed, the filter warning icon
displayed.
f If the air filter is clogged with dust, the power indicator <ON(G)/STANDBY(R)> blinks in orange, or the filter warning icon
will be displayed and after a while the projector is turned off automatically.
Attention
f Make sure to turn off the power before performing maintenance on the air filter unit.
f Make sure that the projector is stable, and perform the maintenance in a safe place where the unit will not be damaged even
if you drop the air filter unit.
Removing the air filter unit
Fig.1
1) Remove the air filter cover. (Fig.1)
f Pull out the air filter cover from the hook of the projector while slightly pushing upward the tabs of the air filter cover and
open it in the direction of the arrow in figure.
Chapter 6 Maintenance - Maintenance/replacement
DO NOT WIPE THE LENS DURING OPERATION.
Cleaning the lens during operation may cause foreign objects adhering to the lens or bring
damage to the lens surface.
Air filter cover
Tabs
will be
Hook
Air filter cover
Air filter unit
Hook
Fig.2
ENGLISH - 95