3M
Multimedia Projector MP8610
MP8610 Table of Contents
3M 1999
ii
SECTION 3. TROUBLESHOOTING
3.1
Overview
............................................................................................................................................... 3-1
3.2
Direct Failure Troubleshooting Flow Charts
.......................................................................................... 3-1
3.2.1 Projector Does Not Power Up
....................................................................................................... 3-2
3.2.2 Lamp Does Not Light
................................................................................................................... 3-3
3.2.3 Projector Image Problem
............................................................................................................... 3-4
3-2.4 LCD Not Functioning
................................................................................................................... 3-5
3-2-5 No Sound
..................................................................................................................................... 3-6
3.3
General/Projection Image Troubleshooting
............................................................................................ 3-7
3.3.1 Image is Disturbed or Unstable
..................................................................................................... 3-7
3.3.2 No Computer Image Projected
...................................................................................................... 3-7
3.3.3 No Video Image Projected
............................................................................................................ 3-7
3.3.4 Mouse Does Not Work
................................................................................................................. 3-8
3.3.5 Image Off Center
.......................................................................................................................... 3-8
3.3.6 Cannot Get Entire Image on the Screen
......................................................................................... 3-8
3.3.7 Washed Out Image
........................................................................................................................ 3-8
3.3.8 Humming Noise. Slowly Passing Horizontal Bars
........................................................................ 3-9
3.3.9 No Power. Power Shuts Off During Presentation
.......................................................................... 3-9
SECTION 4. THEORY AND DIAGRAMS
4.1
Overview
............................................................................................................................................... 4-1
4.2
Section Contents
.................................................................................................................................... 4-1
4.3
Theory of Operation
.............................................................................................................................. 4-1
4.4
Color Theory
......................................................................................................................................... 4-2
4.5
LCD Structure Theory
........................................................................................................................... 4-3
4.6
Lamp Theory
......................................................................................................................................... 4-4
4-7
Keystone Correction
............................................................................................................................. 4-5
4.8
Optical System Layout
.......................................................................................................................... 4-6
4.9
Connection Diagrams
............................................................................................................................ 4-7
4.10 Wiring Diagrams
................................................................................................................................... 4-8
4-11 Internal Cabling Pinout Tables
............................................................................................................... 4-9
4-12 Computer/Video/Audio Connections
................................................................................................... 4-11