- 32 -Optical UnitBBBBAAAAAAAA AAFN906The directionof a windAdjustablefoot-leftAdjustablefoot-rightA AAAAABBBBBBCCHolder FND D DDEEECCFan(FN906) unitRear LED Board6 Optical Unit removal.1. Remove 10 screws-A, remove 4 screws-B and remove the Optical unit.(See Fig.6)Warning;Do not hold the projection lens.It may damage projection lens.7-1 Fan(FN906) Unit and Adjustable-feet removal.1. Remove 6 screws-A and remove the Adjustable-foot-left.2. Remove 6 screws-B and remove the Adjustable-foot-right.3. Remove 2 screws-C and remove the Fan(FN906) Unit.4. Remove 4 screws-D and remove the Fan(FN906).5. Remove 3 screws-E and remove the Rear LED Board.(See Fig.7-1, 7-1a)Note;Mark the Fans as they are removed from the holder so that they maybe reassembled in the same location from which they were removed.Be careful of the attached direction of Fans.See arrow mark in a figure.Fig.6Fig. 7-1Fig. 7-1aMechanical disassembliesWarning!Do not hold the projection lens.