3M
™
Multimedia Projector MP7770
Disassembly/Reassembly
2002, 3M IPC.
2-7
1
2
5
2
6
2
3
2
2
2
4
2
2-3-5. Remove DMD Kit
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, bottom cover, interface board plate
and interface board.
1. Use #10 torx driver to loosen one (1) screw securing
the thermostat.
2. Use a 5.5mm nut driver to remove three (3) nuts.
3. Use a #3 torx driver and remove four (4) nuts.
4. Use a #10 torx driver and remove one (1) screw.
√√√√
Note
The DLP-Kit replacement board will
come with a protective spacer.
Remove spacer and install it on
all warranty returns, to prevent
damage during shipment.
5. Carefully separate DMD board and lay it down on the
bench top.
6. Disconnect one (1) ribbon cable connector.
√√√√
Note
Notice the printing on the ribbon cable and during
reassembly, install the ribbon cable same side up.
Reversing the cable will cause poor image quality.
7. Reassemble in reverse order.
!
Caution
!
WARNING