Panasonic PT-VX400NTEA Operating Instructions (functional Manual)

Also see for PT-VX400NTEA: Operating instructions

66 - 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 29, 33)Be sure to observe the procedure “Turing off the projector” (z Æpage 33) 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, or chemical treatedzdusters. Using them may cause deterioration of the outer case.Front 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 opticalelements 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 a “Filter warning” icon appears on the screen,replace the filters immediately.Replacement of the air filter unitsJRemove the air filters.1 ) Turn over the projector and pull out the filterzcover (bottom); pull up the handle and take outthe whole filter (bottom).Press up the latches and pull out the filtercover (side); pull out the handle and takeout the side filter.Filter cover (bottom)Filter cover (side)Latches (press up)Handle (pull out)Handle (pull up)