Panasonic PT-VW431DU Operating Instructions Manual

Also see for PT-VW431DU: Specifications

Contents

80 - ENGLISHMaintenanceReplacementBefore replacing the unitWhen you perform maintenance or replacement of the parts, make sure to turn off the power and disconnectzthe power plug from the wall outlet. (Æpages 27, 31)Be sure to observe the procedure “Turning off the projector” (z Æpage 31) when performing power supplyoperation.MaintenanceOuter CaseJWipe 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 projectorzwith a dry cloth.Do not use benzene, thinner, or rubbing alcohol, other solvents, household cleaners. Using them mayzcause deterioration of the outer case.When using chemical treated dusters, follow its instruction.zFront glass surface of the lensJWipe 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.zDo not use excessive force when wiping the lens as it is fragile.zAttentionThe lens is made of glass. Impacts or excessive force when wiping may scratch its surface.zPlease handle with care.Replacing the unitAir filter unitsJFilter prevents dust from accumulating on the optical elements inside the projector. Should the filter becomeclogged with dust particles, it will reduce cooling fans' effectiveness and may result in internal heat buildupand adversely affect the life of the projector.If the air filter units become clogged, it will result in internal heat buildup, the power of the projector maybe turned off for safety.If a “Filter warning” icon appears on the screen, replace the filters immediately.Consult your dealer to purchase a replacement air filter unit (ET-RFV200).