Maintenance; Replacing The Unit - Panasonic PT-TW230U Service Manual

Maintenance

Before replacing the unit
When you perform maintenance or replacement of the parts, be sure to turn off the power and disconnect the power
plug from the wall outlet.
Maintenance
n Outer case
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 with a
dry cloth.
• Do not use benzene, thinner, or rubbing alcohol, other solvents, household cleaners, or chemical treated dusters.
Using them may cause deterioration of the outer case.
n Front glass surface of the lens
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.
• Do not use excessive force when wiping the lens as it is fragile.
Attention
The lens is made of glass. Impacts or excessive force when wiping may scratch its surface.
Please handle with care.

Replacing the unit

n Air filter unit
Filter prevents dust from accumulating on the optical ele-
ments inside the projector. Should the filter 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 filter immediately.
n Replacement of the air filter unit
1) Remove the air filter cover.
• Clean up the dust on the projector and around the air
vents. Press and hold the right-hand corner of the filter
cover and then press leftwards on the filter cover to
release the latch and open the filter cover.
2) Replace the air filter unit.
• Put your fingers on the filter tab and then pull the air filter
unit out of the projector.
3) Insert a new air filter unit.
• Insert the new filter unit completely by following the in-
structions for step 2) in the reverse order. Ensure that the
area with"TOP" mark is in an upward direction.
4) Place the air filter cover
• Place the air filter unit cover by following the instructions
for step 1) in the reverse order.
Replacement air filter unit : ET-RFT100
Latch
-9-
Filter cover
TOP mark
Pull out and
remove