3M
Multimedia Projector MP8670/8745/8755/8770
Disassembly/Reassembly
Copyright
2000, 3M IPC. All Rights Reserved.
2-7
2
1
3
4a
4 b
2-3-5.
Remove RGB Input Board
To avoid electrical shocks
, unplug projector
power cord before performing any maintenance to
electrical components.
To avoid
burns to fingers
, allow projector lamp
and internal projector components to cool off prior
to lamp removal or disassembly.
Remove top cover, main PWB board and driver PWB
board.
1.
Remove four (4) silver screws securing RGB input
board to side of projector base.
2.
Remove one (1) black screw.
3.
From inside the projector, remove two (2) retaining
screws securing RGB input board bracket to bottom
of projector base.
4.
Press down on signal circuit board (4a) and carefully
lift RGB input board (4b) upward to disconnect and
remove.
5.
Reassemble in reverse order.
!
Caution
!
WARNING