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Optoma EP782 User Manual

Optoma EP782
111 pages
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SERVICE MANUAL
SI : TSE: Check: Approved:
Date Revise Version Description
2008.02.29 V1.0 Initial Issue
2008.03.25 V2.0 Modify Chapter 1
2008.05.26 V3.0
Add extended models
(EP776W/TX776/TX776W/OPX4100/TX782/TX782W/
OPX4800/EP782W)
EP776/EP782/EP776W/TX776/TX776W/OPX4100/TX782/
TX782W/OPX4800/EP782W
Copyright May,2008. All Rights Reserved P/N: 36.88E01G001
Emy
Yoyo

Table of Contents

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Optoma EP782 Specifications

General IconGeneral
Resolution1024 x 768
Contrast Ratio2000:1
Display TechnologyDLP
Projection Size27-300 inches
InputsVGA, S-Video, Composite

Summary

Preface

Chapter 1 Introduction

Highlight

Details specifications and key features of the projector models.

Compatible Mode

Lists supported resolutions and sync frequencies for computer inputs.

Chapter 2 Disassembly Process

Equipment Needed & Product Overview

Lists tools and components required for disassembly.

Disassemble Lamp Cover Module

Step-by-step guide to remove the projector's lamp cover.

Disassemble Lamp Module

Procedure to safely detach and remove the projector lamp module.

Disassemble Top Cover Module

Instructions for removing the top panel of the projector.

Disassemble Front Ring Module

Steps to detach the front ring assembly from the projector.

Disassemble Keypad Module

Guide to removing the projector's keypad assembly.

Disassemble IR Sensor Module

Procedure for detaching the infrared sensor module.

Disassemble Rear Cover Module

Steps to remove the rear cover of the projector.

Disassemble Top Shielding & Wireless Module

Guide to remove top shielding and wireless components.

Disassemble Main Board Module

Procedure to detach the main logic board from the projector.

Disassemble Network Module

Steps for removing the projector's network interface module.

Disassemble IO Board Module

Procedure to detach the input/output board from the projector.

Disassemble Fan Module

Guide to removing the projector's cooling fan assembly.

Disassemble LVPS Module

Steps to detach the Low Voltage Power Supply module.

Disassemble Engine Module

Procedure to remove the core optical engine assembly.

Disassemble Color Wheel Module

Steps to detach the color wheel assembly from the projector.

Disassemble DMD Board & DMD Chip Module

Procedure for removing the DMD board and chip.

Disassemble Zoom Ring & Focus Ring

Steps to detach lens assembly components like zoom and focus rings.

Disassemble Rod Module

Procedure to remove the rod assembly from the projector.

Disassemble Duct Module

Steps to detach the air ducting components.

Disassemble Blower Module

Guide to removing the projector's blower fan.

Disassemble Rod Blower & Duct Module

Procedure to detach combined rod blower and duct assemblies.

Disassemble Wind Tunnel Module

Steps to remove the projector's wind tunnel assembly.

Disassemble Honeycombed Module

Guide to removing the honeycombed module.

Disassemble Lamp Driver Module

Procedure to detach the lamp driver board.

Disassemble Limit Switch Module

Steps to remove limit switch assemblies.

Disassemble Bottom Support Shielding

Procedure to remove bottom support shielding.

Disassemble Rear Speaker Module

Steps to detach rear and right speaker modules.

Rod Adjustment

Procedure for adjusting the rod assembly for image alignment.

Re-write Lamp Usage Hour

Instructions for resetting/updating the lamp usage hour counter.

Chapter 3 Troubleshooting

LED Lighting Message

Table indicating LED status codes for troubleshooting.

Main Procedure

Step-by-step procedures for common troubleshooting symptoms.

Chapter 4 Function Test & Alignment Procedure

Test Equipment Needed

List of equipment required for functional testing.

Service Mode

Instructions to enter and exit the projector's service mode.

OSD Reset

Procedure to reset projector settings to factory defaults.

Test Condition

Conditions and environment for performing functional tests.

Test Inspection Procedure

Guidelines for inspecting projector performance after updates/repairs.

PC Mode

Procedures for testing projector functionality via PC connection.

Video Performance

Tests for evaluating video signal quality and output.

Optical Performance Measure

Procedures for measuring optical parameters like brightness and contrast.

Network Function Test

Steps to test the projector's network connectivity.

Wireless Function Test

Procedures for testing wireless connectivity and functionality.

Other Functional Tests

Miscellaneous functional tests and checks.

Chapter 5 Firmware Upgrade

Equipment Needed

Lists software and hardware required for firmware upgrade.

DLP Composer Lite Setup Procedure

Step-by-step guide to install the DLP Composer Lite software.

USB Driver Upgrade Procedure

Procedure to install necessary USB drivers for firmware flashing.

Firmware Upgrade Procedure

Detailed steps to upgrade the projector's firmware using DLP Composer.

Chapter 6 EDID Upgrade

EDID Introduction

Explanation of Extended Display Identification Data (EDID) format.

Equipment Needed

Lists software and hardware for EDID upgrade.

Setup Procedure (VGA Port)

Steps for setting up the fixture and connections for VGA EDID upgrade.

DDC Key-In Procedure (VGA/DVI)

Procedure for inputting EDID data via VGA/DVI.

DDC Key-In Procedure (HDMI)

Procedure for inputting EDID data via HDMI.

Appendix A: Parts Lists

ASSY BOTTOM HOUSING MODULE EP776

Exploded view and parts list for the bottom housing module.

ASSY LVPS MODULE EP776

Exploded view and parts list for the LVPS module.

ASSY MAIN-IO BOARD MODULE EP776

Exploded view and parts list for main and IO boards.

ASSY ENGINE MODULE EP776

Exploded view and parts list for the engine module.

Assy Color Wheel Module EP776

Exploded view and parts list for the color wheel module.

D.C. EP776

Exploded view and parts list for the DC components of EP776.

ASSY BOTTOM HOUSING MODULE EP782

Exploded view and parts list for the bottom housing module.

ASSY TOP COVER MODULE EP776/EP782

Exploded view and parts list for the top cover module.

ASSY ENGINE MODULE EP782

Exploded view and parts list for the engine module.

ASSY LAMP DRIVER MODULE EP776/EP782

Exploded view and parts list for the lamp driver module.

ASSY LVPS MODULE EP782

Exploded view and parts list for the LVPS module.

ASSY MAIN-IO BOARD MODULE EP782

Exploded view and parts list for main and IO boards.

ASSY OPTICAL ENGINE MODULE EP776/EP782

Exploded view and parts list for the optical engine module.

ASSY LIMIT SWITCH MODULE EP776/EP782

Exploded view and parts list for the limit switch module.

ASSY ENGINE ROD BASE MODULE EP776/EP782

Exploded view and parts list for the engine rod base module.

ASSY Color Wheel MODULE EP782

Exploded view and parts list for the color wheel module.

ASSY EMI BOTTOM SHIELDING MODULE EP776/EP782

Exploded view and parts list for EMI bottom shielding.

ASSY LIMIT SWITCH MODULE (RIGHT) EP776/EP782

Exploded view and parts list for the right limit switch module.

ASSY AXIAL FAN 105*32 MODULE EP776/EP782

Exploded view and parts list for the axial fan module.

D.C. EP782

Exploded view and parts list for the DC components of EP782.

D.P. EP776/EP782

Exploded view and parts list for the package contents.

Appendix B: Definitions

Serial Number System Definition

Defines the format and meaning of projector serial numbers.

PCBA Code Definition

Defines the structure and meaning of PCBA codes.

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