Section 2 Disassembly/Reassembly; Overview; Required Tools; Steps For Removing Projector Components - 3M MP8670l Service Manual

3M ™ Multimedia Projector MP8670/8745/8755/8770
2. Disassembly/Reassembly
2-1.

Overview

Disassembly and reassembly of the MP8670/8745 is done using the reference diagrams and the step by step
procedures that follow. Many component disassembly steps build upon previous disassembly steps. Refer to
previous disassembly steps as needed.
For general 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:
•
Phillips Screwdriver (#1 Magnetic Long Shaft)
•
Standard Screwdriver (3/16" or 1/4" or blade)
2-3.

Steps for Removing Projector Components

Removal topics include:
•
Top Cover
•
Main PWB Board
•
Service Board
•
Driver PWB Board
•
RGB Input Board
•
Lens LCD Assembly
•
Dichroic Optics Unit
•
Ballast
•
PWB Signal Board
•
DC Power Fan
•
Exhaust Fan
If performing a complete disassembly, record lamp time.
Copyright © 2000, 3M IPC. All Rights Reserved.
WARNING
!
Caution
!
Disassembly/Reassembly
2-1