Contents :Specifications 2Safety Instructions 3Protections 4Ass'y lamp replacement 6Disassemblies 91. Mechanical disassemblies 92. Optical unit disassemblies 13Troubleshooting 18Waveforms 33Alignment procedures 351. Mode of “service adjustment” 352. Electrical adjustments 383. Optical adjustments 43CPU input/output port functions 53The cautions in schematic diagrams 57Unit PFC, Unit lamp ballast and IC block diagrams 59Parts list 681. Cabinet, Chassis and Optical parts list 712. Electrical parts list 74Appendix : Optional projection lens 106Schematic diagrams S1~S10Block diagrams B1~B2PWB parts location diagrams P1~P7Give complete “ Chassis NO. ” forparts order or servicing, it is shown onthe rating sheet on the cabinet of theProjector.NOTE: Match the Chassis No. on the ratingsheet on the cabinet with theChassis No. in the Service Manual.If the Original Version ServiceManual Chassis No. does notmatch the unit’s, additionalService Literature is required. Youmust refer to “Notices” to theOriginal Service Manual prior toservicing the unit.REFERENCE NO. SM5110607PRODUCT CODE :PLV-WF10 M4RA 1 122 230 00 U.S.A. , CanadaPLV-WF10 P4RA 1 122 233 00 Continental Europe, Asia, Africa, M.E.PLV-WF10 P4RC 1 122 233 02 U.K.Chassis No. M4R-WF1000Original versionFILE NO.Multimedia Projector(Projection lens is optional.)U.S.A., Canada,Europe, Asia, Africa, M.E., U.K.