Table Of Contents - Mitsubishi WD-52627 Training Manual

2005-2006 PROJECTION TELEVISION
TECHNICAL TRAINING AND TROUBLESHOOTING MANUAL
Introduction
About Mitsubishi Electric US ................................................................................. 1
Chapter 1... Display Technologies and PTV Product Line
Display Technologies ......................................................................................... 1-1
PTV Product Line ............................................................................................... 1-3
Chapter 2... Disassembly and Service
Engines ............................................................................................................ 2-1
Identification ....................................................................................................... 2-4
Chassis ............................................................................................................ 2-4
PWBs ............................................................................................................ 2-5
Mirror Access..................................................................................................... 2-7
LCD Access for Cleaning ................................................................................... 2-8
Chapter 3... Alignment Procedures
Option Menu ...................................................................................................... 3-1
Service Mode .................................................................................................... 3-1
Mechanical Adjustments ..................................................................................... 3-2
Electrical Adjustments ........................................................................................ 3-8
Down-to-1
Chapter 4...
Front Panel LEDs .............................................................................................. 4-1
Self Diagnostics ................................................................................................. 4-2
Interface Troubleshooting ................................................................................... 4-3
Symptom/Cause Troubleshooting ....................................................................... 4-4
Chapter 5... Circuit Block Diagrams
Power Supplies ................................................................................................. 5-1
Video Signal Path ............................................................................................ 5-11
Sound Signal Path ........................................................................................... 5-15
Control Circuitry ............................................................................................... 5-16
Lamp Control Circuitry ..................................................................................... 5-17
Protection Circuitry ........................................................................................... 5-18

TABLE of CONTENTS

Troubleshooting
I