Optoma EX762 User manual

SERVICE MANUAL

Prepare: Check: Approved:

Date Revise Version Description

2010.05.24 V1.0 Initial Issue (Separate from EX615/EX612/EX540/EX762/

EX540I/EX542I/ES523ST/EW533 Service Manual V4.0)

2011.03.15 V2.0 Add EW762

EX762/EW762

Mina Amy

EX762/EW762 Condential I

Preface

This manual is applied to EX762/EW762 projection system. The manual gives you a brief

description of basic technical information to help in service and maintain the product.

Your customers will appreciate the quick response time when you immediately identify

problems that occur with our products. We expect your customers will appreciate the

service that you offer them.

This manual is for technicians and people who have an electronic background. Please

send the product back to the distributor for repairing and do not attempt to do anything that

is complex or not mentioned in the troubleshooting.

Notice: The information found in this manual is subject to change without prior notice. Any

subsequent changes made to the data herein will be incorporated in future edition.

EX762/EW762 Service Manual

Manual Version 2.0

EX762/EW762 Condential II

EX762/EW762 Comparison List

Parts EX762 EW762

USER’S GUIDE 36.8FB01G001 36.8LM01G001

ENGINE MODULE 70.8FB22GR01 70.8LM14GR01

MAIN BOARD 80.8FB01G001 80.8LM01G001

IO COVER

MODULE 70.8EF44GR01 70.8LM16GR01

LAMP DRIVER 70.8FB21GR01 70.8LM13GR01

ROD MODULE 70.8EF42GR01 70.8LM15GR01

LAN MODULE BD 80.8EF07G001 80.8LM01G001

REMOTE 45.8EF01G001 45.8FR01G001

DMD 48.8CQ01G003 48.8EJ01G001

EX762/EW762 Condential III

Table of Content

Chapter 1 Introduction

Highlight 1-1

Compatible Mode 1-3

Chapter 2 Disassembly Process

Equipment Needed & Product Overview 2-1

Disassemble Lamp Cover Module 2-2

Disassemble Lamp Module 2-2

Disassemble Focus Ring 2-3

Disassemble Top Cover Module 2-3

Disassemble Keypad Board Module and Zoom Ring 2-4

Disassemble Top Shielding 2-5

Disassemble Main Board Module 2-5

Disassemble Daughter Board and Lan Module Board 2-8

Disassemble Engine Module 2-9

Disassemble Color Wheel Module 2-9

Disassemble DMD Chip and DMD Board 2-10

Disassemble Rod Module 2-10

Disassemble System Fan Module and Thermal Switch 2-11

Disassemble Speakers 2-12

Disassemble Blower 2-13

Disassemble Front IR Module 2-14

Disassemble LVPS Module and Interlock Switch 2-14

Disassemble Lamp Driver Module 2-15

Disassemble Security Bar Cap 2-15

Disassemble Bottom Shielding 2-16

Disassemble IO Cover 2-17

Rod Adjustment 2-18

EX762/EW762 Condential IV

Re-write Lamp Usage Hour 2-19

Chapter 3 Troubleshooting

LED Lighting Message 3-1

Main Procedure 3-2

Chapter 4 Function Test & Alignment Procedure

Test Equipment Needed 4-1

Service Mode 4-1

OSD Reset 4-1

Test Condition 4-2

Defect specication table 4-3

Test Inspection Procedure 4-3

Factory Fan RPM Reset 4-4

PC MODE 4-5

Video Performance 4-9

ADC Calibration 4-11

Optical Performance Measure 4-13

Network Function Test 4-15

Others 4-18

Chapter 5 Firmware Upgrade

Section 1: System Firmware Upgrade 5-1

Equipment Needed 5-1

DLP Composer Lite Setup Procedure 5-2

Setup Procedure 5-4

USB Driver Upgrade Procedure 5-4

Firmware Upgrade Procedure 5-5

EX762/EW762 Condential V

Section 2: 8051 Firmware Upgrade Procedure 5-8

Equipment Needed 5-8

NLINK Setup Procedure 5-9

Manley USB Driver Upgrade Procedure 5-11

8051 Firmware Upgrade Procedure 5-13

Section 3: Network Firmware Upgrade Procedure 5-15

Equipment Needed 5-15

Write Down Projector IP 5-16

Network Setting 5-17

PC Hardware Link 5-18

Chapter 6 EDID Upgrade

EDID Introduction 6-1

Equipment Needed 6-2

Setup Procedure (VGA) 6-3

EDID Key-In Procedure (VGA-1 & VGA-2) 6-4

Setup Procedure (HDMI) 6-6

EDID Key-In Procedure (HDMI) 6-7

Appendix A

Exploded Image I

Appendix B

Serial Number System Denition I

PCBA Code Denition II

EX762/EW762  1-1

Chapter 1

Introduction

No  

1 



2 

  

  

 

   

6

 

1 

7 



  



  

  



11 

 



12 











 



4(f

  

 







16  

1-1 Highlight

EX762/EW762  1-2

No  

17 

















  



 









EX762/EW762  

1-2 Compatible Mode

Computer Compatibility (Analog)

   



  

  

  

  

 72 

  

  

  



  

  

 72 

  



  

  

  

  

   

   

   

   

   

   

   

   

   

   

   

   

   

EX762/EW762  

Computer Compatibility (Digital)

   



  

  

  

  

 72 

  

  

  



  

  

 72 

  

  



  

  

  

  

  

   

   

   

Note: If the Computer Compatibility supportive signal is different from User's Manual, please refer

to User's Manual.

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