NEC PX750U - 4 Replacing the Lamp and the Filters

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7. Maintenance
 Replacing the Lamp and the Filters
Whenthelampreachestheendofitslife,theLAMPindicatorinthecabinetwillblinkredandthemessage“THE
LAMPHASREACHEDTHEENDOFITSUSABLELIFE.PLEASEREPLACETHELAMPANDFILTER.USETHE
SPECIFIEDLAMPFORSAFETYANDPERFORMANCE.”willappear(*).Eventhoughthelampmaystillbeworking,
replacethelamptomaintaintheoptimalprojectorperformance.Afterreplacingthelamp,besuretoclearthelamp
hourmeter.(→page129)
CAUTION
• DONOTTOUCHTHELAMPimmediatelyafterithasbeenused.Itwillbeextremelyhot.Turntheprojector
offandthendisconnectthepowercord.Allowatleastonehourforthelamptocoolbeforehandling.
• Usethespeciedlampforsafetyandperformance.
• DONOTREMOVEANYSCREWSexcepttwo(2)lampcoverscrewandthree(3)lamphousingscrews.Youcould
receiveanelectricshock.
• Donotbreaktheglassonthelamphousing.
 Keepngerprintsofftheglasssurfaceonthelamphousing.Leavingngerprintsontheglasssurfacemightcause
anunwantedshadowandpoorpicturequality.
• Theprojectorwillturnoffandgointostandbymodewhenyoucontinuetousetheprojectorforanother100hours
afterthelamphasreachedtheendofitslife.Ifthishappens,besuretoreplacethelamp.Ifyoucontinuetouse
thelampafterthelampreachestheendofitslife,thelampbulbmayshatter,andpiecesofglassmaybescattered
inthelampcase.Donottouchthemasthepiecesofglassmaycauseinjury.Ifthishappens,contactyourNEC
dealerforlampreplacement.
*NOTE: This message will be displayed under the following conditions:
• foroneminuteaftertheprojectorhasbeenpoweredon
• whenthe (POWER)buttonontheprojectorcabinetorthePOWEROFFbuttonontheremotecontrolispressed
To turn off the message, press any button on the projector cabinet or the remote control.
Optionallampandtoolsneededforreplacement:
• Phillipsscrewdriver(plus-head)
• Replacementlamp:
NP22LP
Flow of Replacing the Lamp and the Filters
Thefollowingprocedureisanexampleforreplacingbothlamps.
Step 1. Replacethelamp
Step 2. Replacethelters(→page177)
Step 3. Clearthelampusagehoursandthelterusagehours(→page129, 130)