Panasonic PT-EZ570U Operating Instructions - Page 94

Replacement, Before replacing the unit, Maintenance

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Replacement Before replacing the unit zzWhen you perform maintenance or replacement of the parts, make sure to turn off the power and disconnect the power plug from the wall outlet. (Æpages 36, 40) zzBe sure to observe the procedure "Turing off the projector" (Æpage 40) when performing power supply operation. Maintenance JJOuter Case Wipe off dirt and dust using a soft dry cloth. zzIf the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector with a dry cloth. zzDo not use benzene, thinner, or rubbing alcohol, other solvents, household cleaners. Using them may cause deterioration of the outer case. zzWhen using chemical treated dusters, follow its instruction. JJFront glass surface of the lens Wipe off the dirt and dust off the front surface of the lens with soft clean cloth. zzDo not use a cloth that has an abrasive surface or a cloth that is moist, oily, or covered with dust. zzDo not use excessive force when wiping the lens as it is fragile. Attention zzThe lens is made of glass. Impacts or excessive force when wiping may scratch its surface. Please handle with care. Replacing the unit JJAir filter unit Filter prevents dust from accumulating on the optical elements 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 indicator lights orange, replace the filter immediately. JJReplacement of the air filter unit 1111 Turn off the projector, and unplug the AC power cord from the AC outlet. 2222 First, clean up the dust on the projector and around the air vents. 3333 Press ▼ downwards on the filter cover to release the latch and open the filter cover. Latch Filter cover Maintenance 94 - ENGLISH

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94
- ENGLISH
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 36, 40)
Be sure to observe the procedure “Turing off the projector” (
z
Æ
page 40) 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. Using them may
z
cause deterioration of the outer case.
When using chemical treated dusters, follow its instruction.
z
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 filter unit
J
Filter prevents dust from accumulating on the optical
elements 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 <FILTER> indicator lights orange, replace the filter
immediately.
Replacement of the air filter unit
J
Turn off the projector, and unplug the
1 )
AC power cord from the AC outlet.
First, clean up the dust on the
2 )
projector and around the air vents.
Press ▼ downwards on the filter cover
3 )
to release the latch and open the filter
cover.
Filter cover
Latch