NEC MT1056 User Manual

Also see for LCDMT1056: Installation data Specifications

Contents

NEC MT1056 User Manual Manual pdf 47 page image

E – 47This section describes the simple maintenance procedures you shouldfollow to replace the lamp and clean the filter.Replacing the LampAfter your lamp has been operating for 1500 hours (up to 2500 hours :Eco mode) or longer, the “Status” light in the cabinet will go on and themessage will appear. Even though the lamp may still be working, re-place it at 1500 (up to 2500 hours : Eco mode) hours to maintain opti-mal projector performance.CAUTION• DO NOT TOUCH THE LAMP immediately after it has been used. It willbe extremely hot. Turn the projector off, wait a full minute, and thendisconnect the power cable. Allow at least one hour for the lamp tocool before handling.• DO NOT REMOVE ANY SCREWS except the lamp cover screw and twolamp housing screws. You could receive an electric shock.• The projector will turn off and go into stand by mode after 1600 (up to2600 hours : Eco mode) hours of service. If this happens, be sure toreplace the lamp. If you continue to use the lamp after 1500 hours (upto 2500 hours : Eco mode) of use, the lamp bulb may shatter, andpieces of glass may be scattered in the lamp housing. Do not touchthem as the pieces of glass may cause injury. If this happens, contactyour NEC dealer for lamp replacement.To replace the lamp:1. Loosen the lamp cover screw until the screwdriver goes into afreewheeling condition and remove the lamp cover. The lamp coverscrew is not removable.4. MAINTENANCEENTERCANCELSELECTPOWERSTATUSSON/STAND BYMENUSOURCEAUTO2. Loosen the two screws securing the lamp housing until the screw-driver goes into a freewheeling condition. The two screws are notremovable.Remove the lamp housing by pulling out the handle.NOTE: There is an interlock on this case to prevent the risk of electricalshock. Do not attempt to circumvent this interlock.MENUENTERCANCELSELECTPOWERSTATUSSOURCEAUTO ADJUSTON/STAND BYMENUENTERSELECTPOWSTATUSSOURCEAUTO ADJUST3. Insert a new lamp housing.CAUTION: Do not use a lamp other than the NEC replacement lamp(MT50LP). Order this from your NEC dealer.Secure it in place with the two screws.Be sure to tighten the screws.MENUENTERCANCELSELECTPOWERSTATUSON/OFFSOURCEAUTO ADJUSTMENUENTERCANCELSELECTPOWERSTATUSSOURCEAUTO ADJUST4. Reattach the lamp cover.Tighten the lamp cover screw.Be sure to tighten the screw.ENTERCANCSEPOWERSTATUSON/STAND BY5. After you install a new lamp, select [Menu] → [Projector Op-tions] → [Setup]→[Page 4]→[Clear Lamp Hour Meter] to resetthe lamp usage hours.NOTE: When the lamp exceeds 1600 hours (up to 2600 hours : Eco mode) ofservice, the projector cannot turn on and the message is not displayed. If thishappens, press the Help button on the remote control for a minimum of 10seconds while in standby mode. When the lamp time clock is reset to zero, theSTATUS indicator goes out.