Maintenance/Replacement; Before Maintaining/Replacing The Unit; Maintenance - Panasonic PT-DW740E Operating Instructions Manual

Maintenance/replacement

Before maintaining/replacing the unit

f Make sure to turn off the power before maintaining or replacing the unit. ( x pages 41, 43)
f When switching off the projector, make sure to follow the procedures in "Switching off the projector" ( x page 43).

Maintenance

Outer case
Wipe off dirt and dust with 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, rubbing alcohol, other solvents, or household cleaners. Doing so may deteriorate the outer case.
f When using chemically treated dust cloths, follow the instructions written on its packaging.
Front surface of the lens
Wipe off dirt and dust from the front surface of the lens with a soft clean cloth.
f Do not use a cloth that is fluffy, dusty, or soaked with oil/water.
f Since the lens is fragile, do not use excessive force when wiping the lens.
Attention
f The lens is made of glass. Impacts or excessive force when wiping may scratch its surface. Please handle with care.
Air filter unit
Perform maintenance of the air filter unit in the following cases.
f The air filter is clogged with dust, causing the filter replacement message to appear on the screen and the filter indicator <FILTER> to light in
red.
Pulling out the air filter unit
1)
Remove the air filter cover.
f Use a Phillips screwdriver to turn the air filter cover screw
counterclockwise until it turns freely, and then remove the air
filter cover.
Air filter cover
Air filter cover fixing screw
Attention
f After pulling out the air filter unit, remove any large foreign objects or dust present in the air filter unit compartment and the air intake port of
the projector body.
Cleaning the air filter unit
First pull out the air filter in the procedure described in "Pulling out the air filter unit".
1)
Clean the air filter unit.
Soak the air filter unit in cold or warm water and then lightly
i)
rinse it.
g Do not use cleaning tools such as brushes.
g When rinsing, hold the frame of the air filter unit without
putting strong pressure on the filter unit.
Rinse the unit two to three times using fresh water each time.
ii)
g Insufficient rinsing may result in odors.
112 - ENGLISH
Chapter 5 Maintenance — Maintenance/replacement
2)
Pull out the air filter unit.
f Grasp the air filter unit tabs and remove the air filter unit from
the projector body.
Air filter unit
Tabs