Optoma EP731 Service Manual
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Optoma EP731 Service Manual

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Preface
This manual is prepared for the maintenance service for EP731 Micro-portable SVGA DLP Projector.
Maintenance procedures described in this manual are intended to isolate faulty parts and replace
them in the field. It also aims to serve as a guide in procuring replacement parts for this product.
This manual is copyrighted and all rights are reserved. This product may not, in whole or in part,
be copied, photocopied, translated or reduced to any electronic or machine readable form without
prior written consent except for copies retained by the purchaser for backup purpose.
This manual includes system overview, major system assembly, components’ description, and
the “Troubleshooting” making explanations on how to detect errors. It also includes a flow chart for
checking or correcting faults.
No warranty or representation, either expressed or implied, is made with respect to this
documentation, its quality, performance, merchantability or fitness for particular purpose.
No event that the vendor will be liable for direct, indirect, special, incidental or consequential
damages arising out of the user or inability to use this product or documentation.
¡
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 further edition.
Introduction
Fundamental Principle
Troubleshooting
Function Test and Alignment Procedure
Copyright 2003, May
All Rights Reserved
Manual Version 1.0
Document # 867-G04-01A
P/N : 36.86708.001
Mechanical Construction
Procedure of Disassembly
Firmware Upgrading Procedure
0-1
EP731
SERVICE MANUAL
Function of Boards
Specifications
DDC Key-In Procedure
Appendix

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Summary of Contents for Optoma EP731

  • Page 1 SERVICE MANUAL Preface This manual is prepared for the maintenance service for EP731 Micro-portable SVGA DLP Projector. Maintenance procedures described in this manual are intended to isolate faulty parts and replace them in the field. It also aims to serve as a guide in procuring replacement parts for this product.

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Table of Contents (I) Introduction........................1-1 Technical Specifications........................ 1-2 Fundamental Principle....................... 2-1 Electronic Function Block Diagram....................2-2 Optics............................. 2-6 Mechanical Construction....................3-1 Package Overview.......................... 3-2 Exploded Overview........................3-4 Recommendation Spare Parts List....................3-17 Procedure of Disassembly....................
  • Page 3 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Table of Contents (II) Function Test & Alignment Procedure................7-1 Equipment Needed......................... 7-2 Test Condition..........................7-2 Test Display Modes and Patterns....................7-3 Inspection Procedure........................7-7 Firmware Upgrading Procedure..................8-1 Equipment Needed........................8-2 Setup Procedure..........................

  • Page 4: Introduction

    EP731 SERVICE MANUAL Introduction This manual is applied to EP731 0.55”*1 DMD SVGA Micro Portable Projector with digital imaging functionality based on Digital Micromirror Device (DMD) technology. It’s the mode of single panel, 150 watt Compact P-VIP lamp and 800*600 resolution. The manual gives you a brief description of basic technical information to help in service and maintaining the product.

  • Page 5: Technical Specifications

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 1-1 Technical Specifications 1-1.1 Optical Specifications " 5 l l i " 4 " 7 Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure...
  • Page 6 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 1-1.2 Electricial Specifications i l i i l i i l i Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure...
  • Page 7 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 1-1.3 Mechanical Specifications < < t l i Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure...
  • Page 8 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 1-1.4 Reliability i t l > Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure...

  • Page 9: Fundamental Principle

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Fundamental Principle This section provides the conceptual drawing about optics of projector. You can realize optical projection system through the fol- lowing diagram and the integral part of configuration, too.

  • Page 10: Electronic Function Block Diagram

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 2-1 Electronic Function Block Diagram Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix...
  • Page 11 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 2-1.1 Main Board Block Diagram Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix...
  • Page 12 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 2-1.2 DMD Board Block Diagram Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix...
  • Page 13 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 2-1.3 Thermal Board Block Diagram Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix...

  • Page 14: Optics

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 2-2 Optics 2-2.1 Conceptual Drawing Projection Lens Condenser 1,2 Hollow Rod Relay Lamp Mirror Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure...
  • Page 15 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Condenser 1,2 Lamp Hollow Rod Relay Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure...
  • Page 16 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 2-2.2 Basic Functions Lamp Module The light source. Hollow Rod Making the light beam uniform. Relay Lens Relay the object Condenser Condensing the light beam. DMD Module Displaying component. Mirror Folding optical path.

  • Page 17: Mechanical Construction

    All manuals and user guides at all-guides.com EP731 Mechanical Construction Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix...

  • Page 18: Package Overview

    All manuals and user guides at all-guides.com EP731 3-1 Package Overview 3-1.1 Accessory BOX Module (I) Replacement Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure...
  • Page 19 All manuals and user guides at all-guides.com EP731 3-1.2 Accessory BOX Module (II) Replacement Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure...

  • Page 20: Exploded Overview

    All manuals and user guides at all-guides.com EP731 3-2 Exploded Overview Replacement Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix...
  • Page 21 All manuals and user guides at all-guides.com EP731 3-2.1 Bottom Housing Module Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix...
  • Page 22 All manuals and user guides at all-guides.com EP731 Replacement Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix...
  • Page 23 All manuals and user guides at all-guides.com EP731 3-2.2 FAN6020 Module Replacement Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix...
  • Page 24 All manuals and user guides at all-guides.com EP731 3-2.3 Rear Cover Module Replacement Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix...
  • Page 25 All manuals and user guides at all-guides.com EP731 3-2.4 Front Cover Module Replacement Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix...
  • Page 26 All manuals and user guides at all-guides.com 3-10 EP731 3-2.5 Fan6020 Module Á Replacement Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure...
  • Page 27 All manuals and user guides at all-guides.com 3-11 EP731 3-2.6 Top Cover Module Replacement Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure...
  • Page 28 All manuals and user guides at all-guides.com 3-12 EP731 3-2.7 Engine Base Module Replacement Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure...
  • Page 29 All manuals and user guides at all-guides.com 3-13 EP731 3-2.8 Bottom Base Housing Replacement Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure...
  • Page 30 All manuals and user guides at all-guides.com 3-14 EP731 3-2.8 Main Board Module Replacement Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure...
  • Page 31 All manuals and user guides at all-guides.com 3-15 EP731 3-2.9 ID BEZEL Module, Lens Cover and Focus Ring Replacement Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure...
  • Page 32 All manuals and user guides at all-guides.com 3-16 EP731 3-2.10 Front Cover Module and KeyPad Replacement Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure...

  • Page 33: Recommendation Spare Parts List

    All manuals and user guides at all-guides.com 3-17 EP731 3-3 Recommendation Spare Parts List Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix...
  • Page 34 All manuals and user guides at all-guides.com 3-18 EP731 Note : SW = Swap Spare Parts, CM = Consume Spare Parts. You can place an order for swap or consume spare parts to do replacement. Or just return swap spare parts back for repair, but consume spare parts is not acceptable for repair or return.

  • Page 35: Procedure Of Disassembly

    EP731 SERVICE MANUAL Procedure Of Disassembly This section provides disassembly procedures for EP731 Micro Port- able SVGA DLP Projector. Before you begin any of these procedures, be sure to turn off the power, computer system, and other attached devices; then disconnect the power cable from the electronically outlet.
  • Page 36 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Tools Needed : Hex Sleeves 5mm (Top) Long Nose Nipper (Left) Screw Bit (-) 101 Angle Cutting Nipper (Right) Screw Bit (+) : 107, 102, 101 (from top to bottom)

  • Page 37: Disassemble Lamp Cover And Lamp Module

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 4-1 Disassemble Lamp Cover and Lamp Module Unscrew two screws to remove Lamp Cover. Unscrew three screws to pull out Lamp Module. Lamp Cover Lamp Module Introduction Fundamental Principle Mechanical Construction...

  • Page 38: Disassemble Top Cover And Keypad Board

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 4-2 Disassemble Top Cover and Keypad Board Unscrew four screws on the side of Top cover Unscrew four screws to remove Keypad Board and Keypad Buttom. Top Cover Keypad Buttom Á...

  • Page 39: Disassemble Main Board And I/O Board

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 4-3 Disassemble Main Board and I/O Board Unplug eight cables from Main Board. Unscrew four hex screws from Rear Cover. Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards...
  • Page 40 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Unscrew three screws and unplug two wires to remove Main Board. Unscrew two screws to remove I/O Board from Main Board. Á Á Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly...

  • Page 41: Disassemble Dc-Dc Board, Fan Module And Ballast Module

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 4-4 Disassemble DC-DC Board, Fan Module and Ballast Module Unscrew two screws and two wires to remove DC-DC Board. Á Á DC-DC Board Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly...
  • Page 42 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Unscrew seven screws to remove Front Cover. Press down Elevator Push Button, then unscrew two screws to remove Fan Module. Unscrew one screw to remove Photo Sensor Board. Front Cover Module Á...
  • Page 43 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Unscrew two screws to remove Fan from Bottom Base Housing Module. Unscrew three screws to remove Ballast. Unscrew three screws to remove the other Fan Module. Á Á Bottom Base Housing Module...

  • Page 44: Disassemble Fan, Engine Module, Dmd Board And Bottom Base Housing

    All manuals and user guides at all-guides.com 4-10 EP731 SERVICE MANUAL 4-5 Disassemble Fan, Engine Module, DMD Board and Bottom Base Housing Unscrew three screws to remove the below parts from Bottom Base Housing Module. Unscrew six screws to remove Engine Module.
  • Page 45 All manuals and user guides at all-guides.com 4-11 EP731 SERVICE MANUAL Unscrew three screws to remove Focus Ring and Focus Ring PC+ABS. Engine Module Focus Ring PC+ABS Focus Ring Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards...
  • Page 46 All manuals and user guides at all-guides.com 4-12 EP731 SERVICE MANUAL Unscrew four screws from Engine Module then take off DMD Spring Holder and DMD Heatsink Take off DMD Board, DMD Chip and DMD Mask from Engine Module. DMD Board...
  • Page 47 All manuals and user guides at all-guides.com 4-13 EP731 SERVICE MANUAL Unscrew three screws to remove Thermal Sensor Board, Color Wheel and Photo Sensor Board. Thermal Sensor Board DMD Mask Color Wheel Photo Sensor Board Introduction Fundamental Principle Mechanical Construction...
  • Page 48 All manuals and user guides at all-guides.com 4-14 EP731 SERVICE MANUAL Unscrew four screws and seven hex screws to remove the other parts from Bottom Base Housing. Turn over Bottom Base Housing, then unscrew one screw to remove Elevator Foot.

  • Page 49: Specifications

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Specifications This chapter provides DMD, Lamp, Lamp Driver and DC-DC specifications. All specifications are for your reference. Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting...

  • Page 50: Lamp Specifications

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Lamp Specifications Operating and Measurement Conditions Ballast type Test conditions stable at 150W with OSRAM PT VIP 150 AC/100-240 H1 ballast Rated lamp wattage 150 W Burner position 0° to +10° (0° optical axis horizontal)
  • Page 51 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Average Lamp Life and Lumen Maintenance Switching cycle 3.5 hrs on 0.5 hrs off Lamp life time 1,500 hrs typical Lamp life More than 50% of lamp population have light output > 50% of initial lumen...

  • Page 52: Lamp Driver Specifications

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Lamp Driver Specifications Dimensions and Weight Lamp Driver Size 177*50*27mm Lamp Driver Weight 240g Lamp Driver Data Input Voltage, normal 100V to 240V AC, 50/60Hz Input Current, normal 2.1A - 0.9A...
  • Page 53 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Cooling method forced air cooling at 1 m/s minimum Thermal Protection T1 switch point 90 C +/- 5 Electrical Protection Short cut + output / - output for max. 10s no protection for short to GND Cooling method Forced air cooling at 1 m/s minimum.

  • Page 54: Dc-Dc Specifications

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 5-3 DC-DC Specifications Dimensions and Weight DC-DC Converter Size 70*42*27mm +/- 0.5mm DC-DC Converter Weight DC-DC Converter Data Normal Max. Input Wattage Power Dissipation Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly...

  • Page 55: Troubleshooting

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Troubleshooting This chapter provides technicians and people who have an elec- tronic background a primary description about maintaining the product. Moreover, you can get the appropriate operation to solve some complicated problems of component repairing and profes- sional problems.

  • Page 56: Equipment Needed

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 6-1 Equipment Needed EP731 VESA M1 to VGA Cable PC (Personal Computer) Audio Input, Video Input Screw Drivers 6-2 Main Procedure Start Connect Power cord, analog or digital, video or S-Video and Audio signal, then turn power on A.
  • Page 57 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL B. Image Performance Is Image OK ? Troubleshooting C. Function Is function OK ? Troubleshooting D. Audio Is Audio OK ? Troubleshooting Is Remote E. Remote Control Control OK? Troubleshooting F.
  • Page 58 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 6-2.1 A. Power Troubleshooting Start Is Power Check Power Change Change Change LED indicator cord & input power Main Board Ballast DC-DC OK ? voltage Supply AC power Lamp Reassembly...
  • Page 59 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 6-2.2 B. Performance Troubleshooting Start Change Change Change Have image ? Color Adjust Board Chip Change Is color OK ? Procedure * Note 1 Change Change Have garbage Change DMD Board...
  • Page 60 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Color Adjust Procedure : Notice : PC shall run 64 Intensity for Primary Colors Pattern of DMW Program. On the screen of “No Signal - Check Video Cable”, press “...
  • Page 61 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 6-2.4 D. Audio Troubleshooting Start Change Can hear Change Thermal sound ? Speaker board Sound is clear Change without noise ? Speaker Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly...
  • Page 62 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 6-2.5 E. Remote Control Troubleshooting Start Replace the battery Change Remote Controller Change Keypad Change M/B Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure...
  • Page 63 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 6-2.6 F. Cable Troubleshooting Start Connect PC & loop- through signal, then power on the projector Change VGA Is loop-through or DVI cable image OK ? Introduction Fundamental Principle Mechanical Construction...

  • Page 64: Function Test & Alignment Procedure

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Function Test and Alignment Procedure This chapter provides equipment, conditions, patterns, and procedure needed for Function Test and Alignment. It also includes compatible modes. All information is for your reference.

  • Page 65: Equipment Needed

    Inspection Distance : 2.0m • Screen Size : 60 inches diagonal (wide) • Before function test and alignment, each EP731 should be run-in and warmed-up for at least 30 minutes with following conditions. 1.) In room temperature 2.) With cycled display colors (R,G,B,White) 3.) With cycled display modes...

  • Page 66: Test Display Modes And Patterns

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 7-3 Test Display Modes and Patterns 7-3.1 Compatible Modes Analog : i l i i l i " 3 " 3 " 6 " 9 Introduction Fundamental Principle Mechanical Construction...
  • Page 67 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 7-3.2 Function Test Display Pattern & & . t r Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure...
  • Page 68 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Fine Line Morie Pattern (Figure 1) Contrast & Brightness (Figure 2) R. Color Pattern (Figure 3) G. Color Pattern (Figure 4) Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards...
  • Page 69 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL B. Color Pattern (Figure 5) Full White Pattern (Figure 6) Dark Pattern (Figure 7) Gary 30 Pattern (Figure 8) Blue 180 Pattern (Figure 9) Boundary Frame (Figure 10) Introduction Fundamental Principle...

  • Page 70: Inspection Procedure

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 7-4 Inspection Procedure Reset Please press “Menu” button on the projector panel to enter Service Mode, then press “ “ or “ “ to choose “Management “ function. Press “...
  • Page 71 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Screen Uniformity and Flicker : Test Signal : 1024 x 768 @ 85Hz Test Pattern : Full White Pattern ¡ Please check and see if it’s in normal condition. ¡ If not, please return the unit to repair area.

  • Page 72: Firmware Upgrading Procedure

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Firmware Upgrading Procedure This chapter provides the related information about the necessary equipment, hardware setup and software upgrade procedures for Firmware Upgarde. The data is for your reference. Introduction Fundamental Principle...

  • Page 73: Equipment Needed

    - Flasher.HEX - FlashUpgrader.EXE - Gui.HEX - pwSDK.INK - Romcode.HEX Hardware : - Firmware upgrade fixture - RS232 Cable - PC - EP731 Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure...

  • Page 74: Setup Procedure

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 8-2 Setup Procedure Connect RS232 to fixture. Connect RS232 to COM1 of PC. Connect fixture to VGA In port of EP731. Firmware upgrade Fixture Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly...

  • Page 75: Upgrading Procdure

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL 8-3 Upgrading Procedure Execute “FlashUpgrader.exe”. Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix...
  • Page 76 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL The window of FlashUpgrader shows up. Click “Choose” to get the file directory. * Before Firmware Upgrade, record Color Wheel Index value and DMD Bin type. After Firmware Upgrade, key-in what you recorded beforehand.
  • Page 77 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL elect <pwSDK.inf> file and open it. Select the serial port which is connected with the fixture. Don’t use other baud rate than 115200, or the program may not work. Introduction...
  • Page 78 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Click “Flash” and press “Power” button of EP731 to start the firmware upgrade. Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure...
  • Page 79 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL EP731 is under upgrading Firmware as follows. (First download the file : Flash.HEX) EP731 is under upgrading Firmware as follows. (Download the file : gui.hex) Introduction Fundamental Principle Mechanical Construction...
  • Page 80 EP731 SERVICE MANUAL EP731 is under upgrading Firmware as follows. (Download the file : RomCode.hex) EP731 is under upgrading Firmware as follows. (Download the file : configdata.hex) After all files are downloaded, the unit will start up automatically and firmware upgrade is finished.

  • Page 81: Ddc Key-In Procedure

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL DDC Key-In Procedure This chapter provides the related information about the necessary equipment, DDC key-in procedure. The data is all for your reference. Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly...

  • Page 82: Equipment Needed

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Equipment Needed Fixture PC set VGA Cable Power Cord Power Adapter EP731 Projector EDID Driver RS232 cable Power Adapter RS232 Cable EDID Fixture VGA Cable Introduction Fundamental Principle Mechanical Construction...

  • Page 83: Setup Procdure

    All manuals and user guides at all-guides.com EP731 SERVICE MANUAL Setup Procedure Connect Power Adapter with the fixture. JP1 and JP5 on the fixture are close, and JP2 is open. Turn on the fixture. Power Adapter Power Switch (Figure 1 : Fixture)
  • Page 84 SERVICE MANUAL Connect P1 of the fixture with COM1 port of PC by RS232 cable. (Figure 1 and 2) Connect P3 of the fixture with the VGA port of EP731 by VGA cable. (Figure 1 and 2) Connect EP731 with Power Cord.
  • Page 85 All manuals and user guides at all-guides.com EP731 SERVICE MANUAL DDC Key-in Procedure Turn on EP731 and run EDID program in the computer. Select COM1 and press “Enter” key. Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards...
  • Page 86 After finishing the above actions, “PASS” will appear on the screen. PASS signal Power on EP731, then input digital signal. If there is no display, it means EDID is not keyed in sucessfully. Please repeat the step 1~5 again. (Note : Can’t run two EDID programs at the same time.)

  • Page 87: Appendix

    All manuals and user guides at all-guides.com 10-1 EP731 SERVICE MANUAL Appendix Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix...

  • Page 88: Serial Number System Definition

    EX : A867335T0AAAA1001 This label “A867335T0AAAA1001” represents the whole serial number for EP731, including Ver. 1st of BIOS and Ver. 1 of PCB Board. Both mechanical and optical version are 1st. In addition, panel vendor is T1. Itís produced on 35-week of 2003 for universal area and its serial code is 1001.

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