Acer PD311 PD311 Service Guide - Page 33
Remove Engine Module, Take off Fan Duct
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8. Remove Engine Module No Procedure 1 Unscrew 1 screw to remove the Interrupt Switch. Photo 2 Unscrew 4 screws to disassemble the Engine Module. 3 (1) Take off Fan Duct (2) Unscrew 3 screws to disassemble the Focus Ring. (3) Unscrew 1 screw to disassemble the Zoom Ring Holder. 4 (1) Take off Copper Foil. (2) Focus Ring (1) Fan Duct (3) Zoom Ring Holder (2) Focus Ring (1) Fan Duct (3) Zoom Ring Holder (2) Unscrew 4 screws and then unscrew 2 screws to disassemble the DMD Module. 27 Chapter 3