Optoma EP719H Service Manual
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Optoma EP719H Service Manual

Optoma EP719H Service Manual

0.55” dmd xga micro portable projection system
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SERVICE MANUAL

Date
Version
2006/08/22
V1.0
Copyright August, 2006 . All Rights Reserved .
Model Name : EP719H
Prepared by SI :
________________________________________
Prepared by TSE :
________________________________________
Checked by :
________________________________________
Approved by :
________________________________________
Initial Issue
Description
P/N#36.85R03G001 .

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  • Page 1: Service Manual

    SERVICE MANUAL Model Name : EP719H Prepared by SI : ________________________________________ Prepared by TSE : ________________________________________ Checked by : ________________________________________ Approved by : ________________________________________ Date Version Description 2006/08/22 V1.0 Initial Issue Copyright August, 2006 . All Rights Reserved . P/N#36.85R03G001 .
  • Page 2 Preface This manual is applied to EP719H 0.55” DMD XGA Micro Portable 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.

  • Page 3: Table Of Contents

    Remove Thermal Switch and Light Cut 2-19 Remove Color Wheel and Photo Sensor 2-20 Remove Zoom Ring and Focus Ring 2-21 Remove DMD Board 2-22 Remove Remove Fan Module and Bottom Cover 2-23 Chapter 3 Troubleshooting Equipment Needed Main procedure Confidential EP719H...
  • Page 4 Firmware Upgrade Mode Installation Procedure Firmware Upgrade Procedure Chapter 6 EDID Upgrade EDID Introduction Equipment Needed Setup Procedure EDID Key-In Procedure Appendix Appendix A Exploded Overview Appendix B PCBA Code Definition Appendix C Serial Number System Definition Reader’s Response EP719H Confidential...

  • Page 5: Chapter 1 Introduction

    Keystone correction - +/ -15 degree Color - Top & bottom cover : Silver painting - Front & back cover : Dark gray Materials - PC MN3600 for top cover/bottom cover/rear cover - PC MN3600 for front cover Confi dential EP719H...
  • Page 6 - Chrominance 0.286Vp-p,75 ohm System Controller - TI DDP2000 Video Compatibility - Standards : NTSC: M (3.58MHz), 4.43 MHz PAL: B, D, G, H, I, M, N SECAM: B, D, G, K, K1, L HDTV: 480i/p, 576i/p, 720p, 1080i Confi dential EP719H...
  • Page 7 - S-Video[6] - VGA2[7] - DVI[8] - Video[9] Indicator - “ Lamp” Red - “ Temp” Red - “ Power” Green & Red Standby Steady Red Warm Up Flashing Green Normal Operating Steady Green Cooling Flashing Red Confi dential EP719H...
  • Page 8 ( Average ) - 1700 ANSI Lumens ( Minimum ) Contrast - 1700:1 Typical (Full on / full off) - 1000:1 Minimum (Full on / full off) Uniformity - 80% Typical (Japan Standard) - 70% Minimum (Japan Standard) Confi dential EP719H...

  • Page 9: Computer Compatible

    800 x 600 800 x 600 800 x 600 1024 x 768 1024 x 768 1024 x 768 1024 x 768 SXGA 1152 x 864 1152 x 864 1152 x 864 1280 x 1024 1280 x 1024 Confi dential EP719H...
  • Page 10 MAC 16” 832 x 624 74.55 MAC 19” 1024 x 768 1152 x 870 75.06 MAC G4 640 x 480 i Mac DV 1024 x 768 i Mac DV 1152 x 870 i Mac DV 1280 x 960 Confi dential EP719H...
  • Page 11 800 x 600 800 x 600 800 x 600 1024 x 768 1024 x 768 1024 x 768 1024 x 768 SXGA 1152 x 864 1152 x 864 1152 x 864 1280 x 1024 SXGA+ 1400 x 1050 Confi dential EP719H...

  • Page 12: Equipment Needed

    Chapter 2 Disassembly Process 2-1 Equipment Needed Item Photo Item Photo Screw Bit (+) Hex Sleeves :07 Hex Sleeves Tweezers Long Nose Nipper(Left) Wrench (8mm) Angle Cutting Nipper(Right) Confidential EP79H...

  • Page 13: Remove Lamp And Lamp Cover

    2-2 Remove Lamp and Lamp Cover Procedure Photo Unscrew 2 screws to remove Lamp Cover. (as red circle) Lamp Cover Unscrew 2 screws to remove Lamp Module. (as red circle) Lamp Confidential EP79H...

  • Page 14: Remove Elevator Module

    2-3 Remove Elevator Module Procedure Photo (1) Unscrew 2 screws . (as red circle) (2) Remove the elevator module. Confidential EP79H...
  • Page 15 Procedure Photo Use a nipper to clip out a small spring and a long spring front the elevator. Confidential EP79H...
  • Page 16 Procedure Photo (1) Use the bottom side of nipper to push down the tenon to separate elevator. (2) Unscrew one screw to remove the top of elevator. (as red circle) (3) Push down to separate the body of elevator. Confidential EP79H...

  • Page 17: Remove Rear Cover

    2-4 Remove Rear Cover Procedure Photo (1) Unscrew eight screws. (as red circle) (2) Pull open from the edge of the rear cover . (3) Detach rear cover from the bottom side. (as the picture shows) Rear Cover Confidential EP79H...

  • Page 18: Remove Top Cover

    2-5 Remove Top Cover Procedure Photo (1) Unscerw five screws. (Two screws in each side, one screw in the bottom) There are two screws this side. (2) Lift the Top Cover and pull out the FPC Cable which connect main board and control board.

  • Page 19: Remove Keypad Board And Keypad Led Lens Rubber

    2-6 Remove Keypad Board and Keypad LED Lens Rubber Procedure Photo (1) Unscrew four screws. (as red circle) (2) Pull up FPC Cable. FPC Cable Keypad Board Keypad LED Lens Rubber Confidential EP79H...

  • Page 20: Remove Shield And Speaker

    2-7 Remove Shield and Speaker Procedure Photo (1) Unscrew two screws to remove top shield. (as red circle) Engine Shield (2) Unscrew two screws to remove the engine shield. Top Shield (as red circle) Confidential EP79H...
  • Page 21 Procedure Photo (1) Unscrew four screws . There is still a screw in this side (as red circle) (2) Unplug one wire to remove back shield. (as blue circle) NOTE: When you remove the back shield, you have to detach it from the top . (As the picture show) Confidential EP79H...
  • Page 22 Procedure Photo Unscrew four screw to remove speaker from back shield. (as red circle) Confidential EP79H 2-...

  • Page 23: Remove Main Board

    2-8 Remove Main Board Procedure Photo (1) Unscrew two screws . (as red circle) (2) Unplug nine wires to remove main board. (as blue circle) Note: Main board and DMD is connected by a connector, in order to remove main board, you have to pull up and remove it.

  • Page 24: Remove

    2-9 Remove Front Cover Procedure Photo (1) Loose two screws to pull out the front cover. (as red circle) (2) Unscrew two tennons to remove IR sensor lens and IR sensor board. Note: To remove the IR lens from front cover, you have to use a tool to push the tenon of the lens as the picture shows.

  • Page 25: Remove Lamp Driver

    2-10 Remove Lamp Driver Procedure Photo (1) Unscrew two screws . (as red circle) (2) Unplug three wires . (as red ellipse) (2) Remove the lamp driver module from main body. (3) Unscrew four screws to separate lamp driver and lamp driver holder.

  • Page 26: Remove Lvps

    2-11 Remove LVPS Procedure Photo (1) Unscrew five screws . (as red circle) (2) Unplug three wires to remove LVPS. (as blue circle) Confidential EP79H 2-5...

  • Page 27: Remove Lamp Housing And Lamp Fans

    2-12 Remove Lamp Housing and Lamp Fans Procedure Photo (1) Unscrew three screws to remove fan module from main body. (as yellow circle) (2) Unscrew four screws to separate lamp housing and lamp fans. (as red circle) Note: Do not push the center of fan, it is easy to damaged.
  • Page 28 Procedure Photo (1) Unscrew one screw to remove thermal sensor board. Lamp (as red circle) Wire (2) Unscrew two screws to Sensor remove interrupt switch. Board (as red circle) (3) Unscrew two screws to Interrupt Switch remove lamp wire. (as red circle) Thermal sensor board lamp wire...

  • Page 29: Remove Engine

    2-13 Remove Engine Procedure Photo Unscrew five screws to remove engine. (as red circle) Confidential EP79H 2-8...

  • Page 30: Remove Thermal Switch And Light Cut

    2-14 Remove Thermal Switch and Light Cut Procedure Photo (1) Unscrew one screw to remove thermal switch. (as red circle) (2) Unscrew one screw to remove light cut. (as red circle) Confidential EP79H 2-9...

  • Page 31: Remove Color Wheel And Photo Sensor

    2-15 Remove Color Wheel and Photo Sensor Procedure Photo (1) Unscrew one screw to remove color wheel and photo sensor from main body. (as red circle) (2) Unscrew one screw to separate color wheel and photo sensor. (as red circle) color wheel photo sensor Confidential...

  • Page 32: Remove Zoom Ring And Focus Ring

    2-16 Remove Zoom Ring and Focus Ring Procedure Photo (1) Unscrew two screws to remove zoom ring. (as red circle) (2) Unscrew three screws to remove Focus ring. (as green circle) Zoom Ring Zoom Ring Orbit Focus Ring Confidential EP79H 2-2...

  • Page 33: Remove Dmd Board

    2-17 Remove DMD Board Procedure Photo (1) Unscrew four screws to remove spring plate and heat sink. (as red circle) (2) Unscrew four hex screws to remove DMD Board and separate DMD module. (as red circle) Confidential EP79H 2-22...
  • Page 34 2-18 Remove Blower Fan Module and Bottom Cover Procedure Photo (1) Unscrew three screws to remove blower fan from bottom cover. (as red circle) (2) Separate fan and blower rubber. Note: Do not press the center of fan, it is easy to damaged. Confidential EP79H 2-2...
  • Page 35 Procedure Photo There are four tenons, pull them to separate the bottom shield and bracket. (as red circle) Bottom Cover Confidential EP79H 2-2...

  • Page 36: Chapter 3 Troubleshooting

    Chapter 3 Troubleshooting 3-1 Equipment Needed - PC or Pattern Generator - DVD Player (Video, S-Video, Audio) - Quantum Data 802B or CHROMA 2327 3-2 Main Procedure Symptom Procedure No Power - Ensure the Power Cord and AC Power Outlet are securely connected - Check Lamp Cover and Interrupt Switch - Ensure all connectors are securely connected and aren’t broken...
  • Page 37 Symptom Procedure No Light On - Ensure all connectors are securely connected and aren’t broken - Check Lamp Module - Check DC-DC - Check Ballast - Check Main Board Mechanical Noise - Check Color Wheel - Check Fan Module Line Bar / Line De- - Check if the DMD Chip and the DMD Board are fect assembled properly...
  • Page 38 Symptom Procedure Remote Controll or - Remote Control Control Panel Failed a. Check Battery b. Check Remote Control c. IR Receiver - Control Panel a. Check FPC b. Check Keypad c. Check Main Board Function Abnormal - Do “Reset” of the OSD Menu - Check Main Board - Check DMD Board Rod Adjustment...

  • Page 39: Chapter 4 Function Test And Alignment Procedure

    Chapter 4 Function Test & Alignment Procedure 4-1 Test Equipment Needed - IBM PC with XGA resolution (Color Video Signal & Pattern Generator) - DVD player with Multi-system (NTSC/PAL/SECAM), equipped “Component”, “S-Video” and “Composite” - HDTV Tuner or Source (480P, 720P, 1080i) - Minolta CL-100 - Quantum Data 802B or CHROMA2327 - After changing parts, check the information below.

  • Page 40: Test Condition

    4-3 Test Condition - Circumstance Brightness : Dark room less than 0.5 lux. - Inspection Distance : 1.5m~3m for functional inspection - Screen Size : 60 inches diagonal (wide) - After repairing each EP1690, the unit should be burn-in (Refer to the table below). Symptom Burn-in Time Normal Repair...
  • Page 41 Step Specification Procedure Photo - Test Signal : 1024x768@60Hz The text in the - Test Pattern : Full corner should Screen be clear after Focus - Adjust the center adjust the focus clearly; meanwhile, ring. one slightly vague corner in the image is allowed.
  • Page 42 Step Specification Procedure Photo Screen Should be - Test Signal : Uniformity compliant with 1024x768@60Hz 60%.(Minimum) - Test Pattern : Full White Pattern & Full Black Pattern - Please check and ensure the unit is under the spec. - Please check and see if it’s in normal conidtion.
  • Page 43 Step Specification Procedure Photo - Once Main Board is changed, firmware upgrade, YPbPr Calibration & PC Calibration should be done as well. - YPbPr Calibration - Test Signal : 480P - Test Pattern : TV BAR - PC Calibration - Test Signal : 1024x768@60Hz Calibration Cali-...
  • Page 44 Step Specification Procedure Photo Dead Pixel Cannot accept any - Test Pattern : Full (Bright pixel) bright pixel Black Dead Pixel The numbers of - Test Pattern : Full (Dark pixel) dead pixel should White be smaller or amount to 6 pixel. Blemish The bright blemish - Test Pattern :...

  • Page 45: Chapter 5 Firmware Upgrade Procedure

    Chapter 5 Firmware Upgrade Procedure Equipment Needed Software : (DDP 2000- RS232) - DLP Composer (Version 6.0) - Firmware (EP719H *.img) - Library files Hardware : Item Photo Item Photo RS232 9-3 PIN CABLE Projector (Female to (EP719H) Male) (42.83618.001)

  • Page 46: Installation Procedure

    Click “Next” button. Next 1. Reading the “License Agreement” rules. 2. Choose “I accept and agree to be bound by all the terms and conditions of this License Agree ment” icon. 3. Click “Next” button. Next Click “Next” button. Confidential EP719H...
  • Page 47 Step Procedure Photo Next Click “Next“ button Next Click “Next” button. Process- The program is ex- ecuting “Initializing” status. Confidential EP719H...
  • Page 48 Step Procedure Photo Next Click “Next” button. Finish Click “Yes” button to restart computer. Confidential EP719H...

  • Page 49: Firmware Upgrade Procedure

    1. Click “Library”. 2. The library path located in the default installation directory is C:\ Program Files\ DLP Composer Lite 6.0\CCA_ Library\ If not, press “Browse” to select the right path where the file”FlashDevi ceParameters.txt” you have placed. Confidential EP719H...
  • Page 50 Step Procedure Photo Next 1. Select “Communi cations” and choose “Serial Port”. 2. Click “Configure”. 3. Choose “Disable” in “RTS” item and choose “Disable” in “CTS” item. Confidential EP719H...
  • Page 51 Step Procedure Photo Next 1. Choose “Flash Loader” 2. Click “Browse” to search the firmware file. (EP719H) 3. Select the item “Skip Boot Loader Area 4. Select 16KB.” 5. Click “Reset Bus” to erase the flash memory. Confidential EP719H...
  • Page 52 Step Procedure Photo Next 1. If the firmware is ready, click “Start Download” to process the firmware upgrade. 2. Click “Yes” to erase the flash memory. Proceed- Proceeding Picture Confidential EP719H...
  • Page 53 1. When Firmware Upgrade Process is finished, the LED power light 2. Unplug RS232 Cable and Power Cord. Re-plug in Power Cable. Check Restart the unit Firmware and press “up” and ”down” buttons simultaneously to check the Firmware Version. Confidential EP719H...

  • Page 54: Chapter 6 Edid Upgrade

    Equipment Needed Software: - EDID Program (Generic V0.51) - EDID File (EP719H*.ini) Hardware: - Generic Fixture for EDID Key-in (Fixture: JP3 must be closed)

  • Page 55: Setup Procedure

    Item Photo Item Photo additional monitor (for checking the program Projector execution) (EP79H) Setup Procedure Step Procedure Photo Connect 1. Power Adapter to Fixture JP1 All Ports 2. Fixture P1 to PC COM1 Port 3. Fixture P2 to Projector Analog Port VGA1 4.

  • Page 56: Edid Key-In Procedure

    EDID Key-In Procedure Step Procedure Photo Execute Click on “EDID” to EDID execute EDID Pro- Program. gram. Choose 1. In the Port Model Selection Bar, please choose the Port that you use.Ex: If you use “COM 1”, choose COM 1 in the Port selection.
  • Page 57 Step Procedure Photo Key in 1. Key in the Serial Serial Number into the Number Barcode blank space. 2. In “Write Source Select”, make a check in “VGA1”, “DVI”and“VGA2”. 3. Click “Program”. Change “Please change the Cable to Cable to VGA1” VGA message is shown on the screen, then...
  • Page 58 Step Procedure Photo Change “Please change the Ca- Cable to ble to VGA2” message VGA2 is shown on the screen, then click “OK”. Finish When the EDID program for VGA 1 and DVI is completed, the message, “OK”, will appear on the screen. EP79H Confidential...

  • Page 59: Exploded Overview

    Appendix A Exploded Overview D.C. EP719H FOR OPTOMA EP719H Confidential...
  • Page 60 P " " " " N " " N Confidential EP719H...
  • Page 61 ASSY BOTTOM HOUSING MODULE EP719H Confidential...
  • Page 62 ASSY FRONT COVER MODULE Confidential EP719H...
  • Page 63 ASSY Back COVER MODULE e t I i r c EP719H Confidential...
  • Page 64 ASSY TOP COVER MODULE e t I i r c " " N Confidential EP719H...
  • Page 65 ASSY LAMP MODULE EP719H Confidential...
  • Page 66 ASSY LAMP HOLDER MODULE Confidential EP719H...
  • Page 67 ASSY ENGINE MODULE EP719H Confidential...
  • Page 68 ASSY ENGINE BOTTOM COVER MODULE Confidential 7-10 EP719H...
  • Page 69 " " N " " N " " N " " N " " N " " N o l l 7-11 EP719H Confidential...
  • Page 70 ASSY ROD MODULE Confidential 7-12 EP719H...
  • Page 71 ASSY ENGINE TOP COVER MODULE 7-13 EP719H Confidential...
  • Page 72 " 5 " 7 " " N " " N " " N " t " N o l l " " N Confidential 7-14 EP719H...
  • Page 73 ASSY LAMP DRIVER MODULE 7-15 EP719H Confidential...
  • Page 74 ASSY EMI GROUND PLATE MODULE Confidential 7-16 EP719H...
  • Page 75 ASSY LVPS MODULE 7-17 EP719H Confidential...
  • Page 76 ASSY BLOWER FAN MODULE Confidential 7-18 EP719H...
  • Page 77 ASSY BLOWER FAN MODULE 7-19 EP719H Confidential...
  • Page 78 ASSY ELEVATOR MODULE Confidential 7-20 EP719H...
  • Page 79 ASSY BASE PLATE MODULE 7-21 EP719H Confidential...
  • Page 80 Confidential 7-22 EP719H...
  • Page 81 ASSY LAMP CHANGE PLATE MODULE 7-23 EP719H Confidential...
  • Page 82 ASSY COLOR WHEEL MODULE Confidential 7-24 EP719H...
  • Page 83 PACKING PROCEDURE DRAWING 7-25 EP719H Confidential...
  • Page 84 " " 3 " " N " 8 " 5 " ) " N " " N Confidential 7-26 EP719H...

  • Page 85: Pcba Code Definition

    Appendix B I. PCBA Code Defi nition PCBA Code for Projector XXXXXXXXXXX C XXX EEEE C: M/B B: DMD/ B Vendor Code Revision Date Code Confi dential EP719H...

  • Page 86: Serial Number System Definition

    No Defi ne The place of production(ex:C=China) Serial code (from 0001~) EX :O85R632AAAAAC0001 This label “O85R632AAAAAC0001” represents the whole serial number for EP719H. It’s produced on 32s-week of 2006 for universal area and its serial code is 0001. Confi dential EP719H...

  • Page 87: Reader's Response

    Thank you for your backing our service manual up. In order to refi ne our content of the service manual and satisfy your requirement. We expect you can offer us some pre- cious opinions for reference. Assessment: What do you think about the content after reading EP719H Service Manual? Unit Excellent Good Fair 1.
  • Page 88 Do you have any other opinion or suggestion about this service manual? Reader’s basic data: Name: Title: Company: Add: Tel: Fax: E-mail: After your fi nishing this form, please send it back to Coretronic Customer Service Dept. by fax: 886-3-563-5333. Confi dential EP719H...

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