3M
™
Multimedia Projector MP7770
Disassembly/Reassembly
2002, 3M IPC.
2-8
1
2
2
2
5
2
4
2
3
2
2-3-6. Remove Main Fan
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 and bottom covers.
1. Disconnect all wire connectors from fan.
√√√√
Note
It is very important to repeat the exact wire paths during
reassembly. A different wire path can cause excess noise
and reduce image quality.
2. Cut three (3) wire ties securing wires.
3. Use a #10 torx driver to remove three (3) screws
securing fan.
4. Slide the fan assembly forward to access one (1) wire
connector located underneath. Disconnect wire
connector.
5. Lift upward to remove the fan assembly.
6. Reassemble in reverse order.
!
Caution
!
WARNING
