Optoma EX774 Serivce Manual page 28

Rev. 00
Disassemble the Optic Engine Assy and Power Assy .
View Optic Engine Assy. View Optic Engine Assy.
pull
pull
Remove Optic Engine Assy. Remove the two Fan Assy.
Remove these the four screws. Check this screw when you assemble the
wire.
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28
2008/07/02