3M
™
Multimedia Projector MP7770
Disassembly/Reassembly
2002, 3M IPC.
2-1
2. Disassembly/Reassembly
2-1. Overview
Disassembly and reassembly of the MP7770 is done using the reference photographs and the step-by-step
procedures that follow. Many component disassembly steps build upon previous disassembly steps. Refer to the
previous disassembly steps as needed.
For general machine operation instructions including air filter or lamp replacement, refer to the Operator’s
Guide.
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.
2-2. Required
Tools
An entire disassembly and reassembly can be completed with the following tools:
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#3 Torx driver
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#10 Torx driver
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#15 Torx driver
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5 mm nut driver
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5.5 mm nut driver
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Wire cutter
2-3.
Steps for Removing Projector Components
Removal topics include:
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Bottom Cover
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Top Cover
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Interface Board Plate
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Interface Board
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DMD Kit
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Main Fan
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Power Supply and Flyback Converter
•
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Video Board
√√√√
Note
If performing a complete disassembly, record lamp time.
!
Caution
!
WARNING