NEC PH1000U - Maintenance; Cleaning the Filters

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Thissectiondescribesthesimplemaintenanceproceduresyoushouldfollowtocleanthelters,thelens,thecabinet,
andtoreplacethelampandthelters.
1 Cleaning the Filters
Theair-lterspongekeepsdustanddirtfromgettinginsidetheprojectorandshouldbefrequentlycleaned.Ifthelter
isdirtyorclogged,yourprojectormayoverheat.
NOTE:Themessageforltercleaningwillbedisplayedforoneminuteaftertheprojectoristurnedonoroff.Whenthemessageis
displayed,cleanthelters.Thetimetocleantheltersissetto[OFF]attimeofshipment.(→ page 123)
To cancel the message, press any button on the projector cabinet or the remote control.
CAUTION
• Beforecleaningthelters,turnofftheprojector,disconnectthepowercordandthenallowthecabinettocool.
Failuretodosocanresultinelectricshockorburninjuries.
Preparation:Beforecleaningthelters,useavacuumcleanertocleantheventilations(inlet).
Twoltersareattachedontheleftsideandthefrontside.Cleanbothlters.Bothltershavethesameshape.
Whenreplacingthelters,buytheoptionallterNP03FTinadvance.
Filter cover
Inlet
(Thelterisinside)
Filter cover
Inlet
(Thelterisinside.)
Cleaning the filter on the left side
1. Removetheltercover.
(1)Looseneachofthetwoknobsbyturningthemcounter-
clockwise.
 •Theknobsarenotremovable.
 •If the knob is too tight to turn, use a Phillips screw-
driver.
(2)Removetheltercoverbyslidingittotheleftandpulling
it out.
1
2
Filter cover
Notch
Knob
7. Maintenance