MP7770 Table of Contents
2002, 3M IPC.
i
SECTION 1. MACHINE OVERVIEW
1-1 Overview
.................................................................................................................................................1-1
1-2 Machine
Identification
............................................................................................................................1-1
1-3 Cleaning
..................................................................................................................................................1-1
1-4 Safety
......................................................................................................................................................1-2
1-5 Specifications
..........................................................................................................................................1-3
SECTION 2. DISASSEMBLY/REASSEMBLY
2-1 Overview
.................................................................................................................................................2-1
2-2 Required
Tools
........................................................................................................................................2-1
2-3 Steps for Removing Projector Components
............................................................................................2-1
2-3-1
Remove Bottom Cover
...........................................................................................................2-2
2-3-2
Remove Top Cover
.................................................................................................................2-4
2-3-3
Remove Interface Board Plate
................................................................................................2-5
2-3-4
Remove Interface Board
.........................................................................................................2-6
2-3-5
Remove DMD Kit
...................................................................................................................2-7
2-3-6
Remove Main Fan
...................................................................................................................2-8
2-3-7
Remove Power Supply and Flyback Converter
......................................................................2-9
2-3-8
Remove Video Board
.............................................................................................................2-10
SECTION 3. TROUBLESHOOTING
3-1 Troubleshooting
Flowcharts
...................................................................................................................3-1
3-1-1 Firmware
Update
.........................................................................................................................3-1
3-1-2
Fan Cooling System Check
.........................................................................................................3-2
3-1-3 Sound
Check
................................................................................................................................3-3
3-1-4 Video
Check
................................................................................................................................3-4
3-1-5
No Image, Start-Up Screen OK
...................................................................................................3-5
3-1-6
No Image, No Start-Up Screen
....................................................................................................3-6
3-1-7
Lamp Does Not Work
..................................................................................................................3-7
3-1-8 No
Function
.................................................................................................................................3-8
3-1-9
Switch OFF In Hot Condition
.....................................................................................................3-9
