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WN-5220-V Module Level Service Guide
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Table of Contents
SAFETY............................................................................................................................1
MODULE IDENTIFICATION................................................................................................5
PREVENTATIVE MAINTENANCE .........................................................................................9
SCREEN.................................................................................................................9
LAMP...................................................................................................................10
AIR FILTER..........................................................................................................11
CLEANING THE SCREEN......................................................................................12
CLEANING THE MIRRORS...................................................................................12
SERVICE MENU...............................................................................................................13
FIELD REPLACEABLE UNIT PROCEDURES.........................................................................17
ELECTRONICS MODULE ......................................................................................17
OPTICAL ENGINE................................................................................................21
POWER SUPPLY ..................................................................................................29
MIRRORS ............................................................................................................31
INTERNAL CABLES ..............................................................................................33
TROUBLESHOOTING.......................................................................................................35
POWER AND START-UP PROBLEMS....................................................................35
IMAGE PROBLEMS ..............................................................................................38
FUNCTIONAL TESTS........................................................................................................41
OPTICAL DEFECT SPECIFICATION......................................................................42
INDEX............................................................................................................................45