Table Of Contents - Mitsubishi Electric Digital Light Processing WD-52525 Technical Training Manual

V26 Models ..................................................................................................................................... 1-1
HDMI™ & CableCARD™ ................................................................................................................. 1-2
RF Antenna Inputs ........................................................................................................................... 1-3
PVR (Personal Video Recorder) ....................................................................................................... 1-3
DLP™ Fundamentals ...................................................................................................................... 1-3
Light Path Changes ......................................................................................................................... 1-5
Servicing .......................................................................................................................................... 1-7
Front Disassembly ........................................................................................................................... 2-1
Rear Disassembly ........................................................................................................................... 2-4
Accessing the Chassis .................................................................................................................... 2-5
Accessing PWB-POWER ................................................................................................................ 2-6
Chassis Removal ............................................................................................................................. 2-6
Accessing & Disconnecting the Lamp Ballast .................................................................................. 2-7
Chapter 3 - Light Engine Replacement
Light Engine Assembly .................................................................................................................... 3-1
Airduct Removal ............................................................................................................................... 3-2
Light Engine removal screws ............................................................................................................ 3-2
Light Engine Removable Parts ......................................................................................................... 3-3
Installing the Replacement Light Engine .......................................................................................... 3-4
Chapter 4 - Service Adjustments
Option Menu .................................................................................................................................... 4-1
Service Adjustment Mode ................................................................................................................ 4-1
Internal Test Pattern ......................................................................................................................... 4-2
Service Adjustments ........................................................................................................................ 4-2
Position Adjustments ....................................................................................................................... 4-2
Mechanical Adjustments .................................................................................................................. 4-3
Required Disassembly ................................................................................................................. 4-3
Rotation Adjustment..................................................................................................................... 4-4
Keystone Adjustments ................................................................................................................. 4-6
Data Transfer & Data Reset ............................................................................................................. 4-7
Replaceable Components ................................................................................................................ 5-1
Normal Front Panel LED Indications ................................................................................................ 5-2
Abnormal Front Panel LED Indications ............................................................................................. 5-2
Error Code Operational Check ......................................................................................................... 5-3
Lamp Troubleshooting Procedure ..................................................................................................... 5-4
POWER-PWB Troubleshooting ....................................................................................................... 5-4
Power Supply .................................................................................................................................. 6-2
Video Circuitry ................................................................................................................................. 6-3
Sound Circuitry ................................................................................................................................ 6-6
Control Circuitry ............................................................................................................................... 6-8
V26 Technical Training

Table of Contents

Chapter 1 - Introduction
Chapter 2 - Disassembly
Chapter 5 - Troubleshooting
Chapter 6 - Block Diagrams
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