Panasonic PT-L720E Operating Instructions Manual

Also see for PT-L520E: Service manual

ENGLISH-51 Others50-E NGLISHLamp unit replacement procedureNOTE:B If the lamp usage time has passed 2000 hours (when LAMP POWER hasbeen set to “HIGH”), the projector will switch to standby mode afterapproximately 10 minutes of operation. The steps ) to - on the nextpage should thus be completed within 10 minutes.# Turn off the MAIN POWERswitch according to theprocedure given in “Turning offthe power” on page 27, andthen disconnect the powercord plug from the wall outletand check that the area aroundthe lamp unit has cooled down.$ Use a Phillips screwdriver toturn the lamp unit cover fixingscrews at the bottom of theprojector, and then remove thelamp unit cover from theprojector.% Use a Phillips screwdriver to loosenthe two lamp unit fixing screws untilthe screws turn freely. Then holdthe handle of the lamp unit andgently pull it out from the projector.& Insert the new lamp unit whilemaking sure that the directionof insertion is correct, and thenuse a Phillips screwdriver tosecurely tighten the lamp unitfixing screws.Lamp unit cover HandleLamp unit cover fixing screwsLamp unit fixing screwsLamp indicator warninglightOn-screen displayThe projector will enterStandby Mode and thered indicator lamp willilluminate.Displayed for 30seconds. Pressing anybutton will clear thedisplay.More than 1800 hoursThis display cannot becleared at all, no matterwhich button is pressed.More than 2000 hours+ Press the ENTER button todisplay the OPTION2 screen,and then use the F and Gbuttons to select LAMPRUNTIME., Press and hold the ENTERbutton for approximately 3seconds.The “LAMP RUNTIME” willchange to “TIME RESET[POWER OFF]”.NOTE:B If the MENU button is pressed,the lamp time resetting screenwill be cancelled.- Turn off the power.This will reset the cumulativeusage time for the lamp unit tozero.Refer to page 27 for details onhow to turn off the power.' Install the lamp unit cover, andthen use a Phillips screwdriverto securely tighten the lampunit cover fixing screws.NOTE:B Be sure to install the lamp unitand the lamp unit cover securely.If they are not securely installed,it may cause the protection circuitto operate so that the powercannot be turned on.( Insert the power cord plug intothe wall outlet and then pressthe MAIN POWER switch.NOTE:B If the POWER indicator on theprojector does not illuminate redwhen the MAIN POWER switch isturned on, turn the MAIN POWERswitch off again and check thatthe lamp unit and the lamp unitcover are securely installed. Thenturn the MAIN POWER switchback on.) Press the POWER button sothat a picture is projected ontothe screen.* Press the MENU button todisplay the MAIN MENUscreen, and then press the Fand G buttons to move thecursor to select “OPTION2”.M E N UK E Y S T O N EP I C T U R EP O S I T I O NI N D E X W I N D O WS H U T T E RA U D I OL A N G U A G EO P T I O N 1O P T I O N 2S E L E C T E N T E RO P T I O N 2B A C K C O L O R B L U EF R O N T / R E A R F R O N TD E S K / C E I L I N G D E S KF A N C O N T R O L S T A N D A R DL A M P P O W E R H I G HL A M P R U N T I M E 1 8 2 0 HF U N C 1 I N D E XC O N T R O L K E Y O NS E L E C T E S CO P T I O N 2B A C K C O L O R B L U EF R O N T / R E A R F R O N TD E S K / C E I L I N G D E S KF A N C O N T R O L S T A N D A R DL A M P P O W E R H I G HT I M E R E S E T [ P O W E R O F F ]F U N C 1 I N D E XC O N T R O L K E Y O NS E L E C T E S C