Optoma H31 Service Manual
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Optoma H31 Service Manual

Optoma H31 Service Manual

Projection system
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SERVICE MANUAL

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Model Name : H31
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Copyright January, 2005 . All Rights Reserved
Document #81G-G04-01A
Prepared by SI :
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Prepared by TSE :
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Check by :
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Approved by :
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. P/N : 36.81G03.001
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  • Page 1: Service Manual

    SERVICE MANUAL Model Name : H31 Prepared by SI : ________________________________________ Prepared by TSE : ________________________________________ Check by : ________________________________________ Approved by : ________________________________________ t i n Copyright January, 2005 . All Rights Reserved Document #81G-G04-01A . P/N : 36.81G03.001...
  • Page 2 Preface This manual is applied to H31 480P” DMD SVGA Home Theater Projector with digital imaging functional- ity based on Digital Micro-mirror Device (DMD) technology. It’s the mode of single Panel, 200 watt lamp and 854(H) x 480(V) resolution. The manual gives you a brief description of basic technical information to help in service and maintaining the product.

  • Page 3: Table Of Contents

    Table of Contents Chapter 1 Introduction Product Highlights Machanical Specifications Electrical Specifications Optical Specifications Environmental Specifications Chapter 2 Disassembly Procedure Disassemble Lamp Module and Top Cover Disassemble Keypad Board,Rear Cover, Main BD and I/O BD Disassemble Ballast, Thermal Switch, 60*20 intermedia Fan, Front Fan Module and Fan Guider Module.
  • Page 4 Chapter 6 DDC Key-in Procedure Equipment Needed Setup Procedure DDC Key-in Procedure Appendix A Exploded Diagram Appendix B Serial Number System Definition 7-19 Serial Number Format for Projector 7-19 Appendix C Borad S/N Coding 7-20 Reader’s Response 7-21 I II...

  • Page 5: Introduction

    Chapter 1 Introduction Product Highlights One panel 480P" DMD SVGA projection system with 580 ANSI lumens (Typical) and 490 ANSI lumens.(minimum) 200 Watt Lamp Light weight Approx. 4.6 lbs. True 800 * 480 resolution, 16.7M True colors With up, down, left, and right screen reverse Build-in full screen NTSC / PAL / SECAM video capability with S-video / Composite / Component and HDTV terminals SXGA / XGA / SVGA compatibility with one D-sub input terminal...

  • Page 6: Electrical Specifications

    Electrical Specifications Power Supply Universal AC 100—240V, 50/60 Hz 200W Lamp Variance FAN speed control (Depend on temperature variant) Terminals DVI - I with HDCP(support SCART RGB) Composite Video Input S-Video Input (Mini DIN 4-pin *1) YPbPr RCA (support 480i/p, 576i/p, 720p, 1080i) RS 232 C Video Compatibility Standards :...

  • Page 7: Environmental Specifications

    Environmental Specifications Temperature : Operating : 5° to 35°C Storage : -20° to 60°C Maximum Humidity Operating : 5° to 35°C, 80%RH (max), non-condensing Storage : -20° to 60°C, 80%RH (max), non-condensing Acoustic Noise Level : 36 ±2 dbA (typical @ 23 + 2° C) Lamp Life : 2000 hours typical, 50% survival rate (Brite Mode) 3000 hours typical, 50% survival rate (Normal Mode)

  • Page 8: Disassembly Procedure

    Chapter 2 Disassembly Procedure Disassemble Lamp Module and Top Cover Step1: Turn unit to bottom side and unscrew one screw to remove Lamp Cover Lamp Cover Step2: Unscrew three screws to remove Lamp Module. Lamp Module Coretronic Corporation...
  • Page 9 Step3: Unscrew four screws and unplug one connector to remove Top Cover . Top Cover Coretronic Corporation...

  • Page 10: Disassemble Keypad Board,Rear Cover, Main Bd And I/O Bd

    Disassemble Keypad Board, Rear Cover and IO Board and Main Board Step1: Disconnect the cable and tear off the mylar. Insulator Mylar Cable FFC Step2: Unsrew three screws to take off Keypad Board. Keypad Board Keypad Buttom Coretronic Corporation...
  • Page 11 Step3: Unscrew two hex screws and two screws. Step4: Unplug eleven wires and unscrew five screws to remove Main Board. Main Board Module Coretronic Corporation...
  • Page 12 Step5: Separate IO Cover Module and IO Board from Main Board. IO Cover Module IO Board Main Board Coretronic Corporation...

  • Page 13: Disassemble Ballast, Thermal Switch, 60*20 Intermedia Fan

    Disassemble Ballast, Thermal Switch, 60*20 intermedia Fan, Front Fan Module and Fan Guider Module Step1: Unscrew five screws to put Ballast aside to the unit. Step2: Separate one cable from Bushing and unplug two cables to remove Ballast. Bushing Ballast Coretronic Corporation...
  • Page 14 Step3: Unscrew eight screws and unplug one wire to remove LVPS Module. Unscrew 1 screw to remove the Thermal Sensor(in the blue circle). LVPS Module Step4: Unscrew one screw to remove Plate and Thermal Switch*. *Notice: Be careful not to scratch the Color Wheel. Plate Thermal Switch Coretronic Corporation...
  • Page 15 Step5: Unscrew three screws to remove 60*20 Intermedia Fan Module and Fan Bracket.. 60*20 Intermedia Fan Fan Bracket Step6: Unscrew four screws to remove Front Fan Module. Front Fan Module Coretronic Corporation...
  • Page 16 Step7: Unscrew three screws to remove Front Fan Module. Tear off the Mylar to remove the IR Receiver. M M M M M M M M Mylar Fan Bracket System Fan Top Cover Step8: Unscrew one screw to remove Fan Guider Module. Fan Guider Module Coretronic Corporation...

  • Page 17: Disassemble Color Wheel, Engine, Photo Sensor, Dmd Chip

    Disassemble Color Wheel, Engine, Photo Sensor, DMD Chip, Blower Fan, Limit Switch, Elevator Foot Module and Buttom Cover Step1: Unscrew one screw to remove Color Wheel*. Notice: Do not scratch the Color Wheel. Color Wheel Step2: Unscrew seven screws to remove Engine Module, Blower Fan and Photo Sensor. Photo Sensor Blower Fan Engine Module...
  • Page 18 Step3: Tear off Mylar and unsrew four screws to remove DMD Board and DMD Chip. DMD Chip DMD Socket DMD Thermal Pad DMD Board Heat Sink Heat Mylar Heat Sink Step4: Unscrew two screws to remove Limit Switch. Limit Switch 2-11 Coretronic Corporation...
  • Page 19 Step5: Unscrew two screws to remove Elevator Foot Module and Bottom Cover. Bottom Cover Foot Gear Bar Spring Base Holder 2-12 Coretronic Corporation...

  • Page 20: Troubleshooting

    Chapter 3 Troubleshooting Equipment Needed • H31 Projector • PC (Personal Computer) • VGA Cable • Video/S-Video Input • Screw Drivers Main Procedure Start Connect Power cord, S-Video and then turn power on A. Power Is Lamp light on ? Troubleshooting B.
  • Page 21 Is Remote D.Remote control Control OK? Troubleshooting No Fault Found Coretronic Corporation...
  • Page 22 3-2.1 A. Power Troubleshooting Supply AC power Start Check Power Is Power Check Lamp Cover cord & input power LED indicator assembly voltage OK ? Change Change Change LVPS Main Board Ballast Change Is Temp Change Is Fan Change Thermal LED indicator working ? LVPS...
  • Page 23 3-2.2 B. Performance Troubleshooting Start have change signal cable Change Change Change Have image ? Board Chip Change Change Display Ab- DMD Board normal ? Have bar at the Change right & left side of DMD Board image ? Change Uniformity OK ? Engine Module Color Adjust...
  • Page 24 Adjust Change Have noise ? tracking Color Adjust Procedure : Notice : PC shall run 64 Intensity for Primary Colors Pattern of DMW Program. Power on.waiting for the "No Signal" show on the screen. Press "Up" ,"Enter" button at the same time twice, then press "Left" ,"Enter" button at the same time twice. Connect PC signal, then press “...
  • Page 25 3-2.4 D. Remote Control Troubleshooting Start Replace the battery Change Remote Controller Change M/B Coretronic Corporation...

  • Page 26: Function Test And Alignment Procedure

    Circumstance Brightness : Dark room less than 2.5 lux (for Brightness measure) Inspection Distance : 2.5~3m Screen Size : 60 inches diagonal (wide) Before function test and alignment, each H31 should be run-in and warmed-up for at least 2 hours with following conditions. In room temperature...

  • Page 27: Test Display Modes & Pattern

    Test Display Modes & Pattern 4-4.1 Compatible Modes Analog : i t a l i b y t i i t u Coretronic Corporation...

  • Page 28: Function Test Display Pattern

    4-4.2 Function Test Display Pattern & t s i & a i l c i l a i l . t r t i s Fine Line Morie Pattern (Figure 1) 64-Gray Scale pattern (Figure 2) R. Color Pattern (Figure 3) G.
  • Page 29 B. Color Pattern (Figure 5) Full White Pattern (Figure 6) Dark Pattern (Figure 7) Gary 30 Pattern (Figure 8) Blue 60 Pattern (Figure 9) Boundary Frame (Figure 10) Color Bar (Figure 11) General-1 (Figure 12) Coretronic Corporation...

  • Page 30: Inspection Procedure

    Inspection Procedure RESET : Please press “Menu” button on the projector panel to enter Service Mode, then press “ “ or “ “ to choose “Management” function. Press “ “ button to choose “Machine Reset” function, then press “ “ to check if it works.
  • Page 31 Brightness: Enter “Service Mode” and select spoke on. Select White to test bright screen. Select Dark to test dark screen. Specification: Brightness 490 Lumen Balance Contrast 1100 -Remote control: Press Power botton of remote control to test Indicator light Press Menu botton of remote control to test functions -HDTV: Using the following table with chroma 2327 -DVI...
  • Page 32 Ycb cr (480i) Press “Source” to switch to component-I mode and check the iamge quality. -Brit-mode: Press “Menu” botton to enter Brit-mode and selecting “On” will have dark and “Off” will have bright iamge. Check for Secondary Display Modes Test signal : 1.) 640*480 @ 72.81/75.00/85.01Hz 2.) 720*400 @ 70.08/85.04Hz 3.) 800*600 @ 56.25/60.32/72.19/75.00/85.06Hz...

  • Page 33: Firmware Upgrade Procedure

    Firmware Upgrade Procedure Equipment Needed Software : Bootcode.HEX Configdata.HEX Flasher.HEX FlashUpgrader.EXE Gui.HEX pwSDK_8m.INF Romcode.HEX Hardware : RS232 to mini din 3 Pin Cable (PN:42.86301.001) Setup Procedure COM 1 of PC connects to H31 with RS-232 cable. Firmware upgrade Fixture Coretronic Corporation...

  • Page 34: Upgrading Procedure

    Upgrading Procedure Execute “FlashUpgrader.exe”.* Note1:Flash Upgrader operates on Windows 98 , ME Note 2: Flash UpgraderNT operates onWindows 2000, NT, XP. The window of FlashUpgrader shows up. Click “Choose” to get the file directory. pwSDK_8m.inf Coretronic Corporation...

  • Page 35: H31

    Select <pwSDK_8m.inf> file and open it. pwSDK_8m pwSDK_8m Select the serial port which is connected with the fixture. Don’t use other baud rate less than 115200, or the program may not work. Hold Power button and then click Flash icon. Power button must be held till the Downloading gui.hex appears (as the following two pictures indicate ) pwSDK_8m.inf Coretronic Corporation...
  • Page 36 pwSDK_8m.inf Wait for finish. After all files are downloaded, the unit will start up automatically to finish firmware upgrade . pwSDK_8m.inf 8.Factory reset Coretronic Corporation...
  • Page 37 H31 Enter the service mode produce : Power on.waiting for the "No Signal" show on the screen. Press "Up" ,"Enter" button at the same time twice.then press "Left" ,"Enter" button at the same time twice. H31 Logo Change Procedure!! Enter service mode.

  • Page 38: Ddc Key-In Procedure

    EDID Fixture Both old and new version EDID Fixtures can use and please choose match one (IC:Generic) PC set DFP-DVI Cable(42.81702.001) Power Cord Power Adapter H31 Projector EDID Driver RS232 cable Power Adapter RS232 Cable DFP-DVI Cable EDID Fixture (Old Version)

  • Page 39: Setup Procedure

    Connect P1 of the fixture with COM1 port of PC by RS232 cable. (Figure 1 and 2) Step5. Connect P3 of the fixture with the DVI port of H31 by DFP-DVI cable. Step6. Connect H31 with Power Cord. Coretronic Corporation...
  • Page 40 Step3. Connect P3 of the fixture with DVI port of DVI-DVI cable. Step4. Plug Power Adapter to the fixture and connect the H31 Power Cord. *Notice : Confirm JP3 is “Close” status (EDID Mode). Power Adapter (Figure 2 : Finish Setup)

  • Page 41: Ddc Key-In Procedure

    DDC Key-in Procedure Turn on H31 and execute EDID.exe program . Coretronic Corporation...
  • Page 42 2.Select COM 1 Port. 3.Click the “Model” button and choose H31 Digital EDID Code.INI Coretronic Corporation...
  • Page 43 4. Click “Program” after inputing the Serial Number. 5.Click “OK” after this message below emerges Coretronic Corporation...
  • Page 44 6.Input is done after the “OK” message shows(in the red circle). Coretronic Corporation...
  • Page 45 7. Please mark both “Digital” and “Trans” in the “Read Item” in red circle. (Note 1 : If EDID informations can’t match with “Barcode” , please cancel “Trans” item and click “Read” button again.) 8.Then click the “Read” button. (Note 2 : Exit the program and restart your system when needs to burn EDID again.) 9.Inspect if the week and the last digits of the Serial number are correct or not.

  • Page 46: Appendix A Exploded Diagram

    Appendix A Exploded Diagram Coretronic Corporation...
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  • Page 64: Appendix B Serial Number System Definition

    Serial code (from 0001~) EX : A81G429T0AAAA1001 This label “A81G429T0AAAA1001” represents the whole serial number for H31, including Ver. 1st of BIOS and Ver. 1 of PCB Board. Both mechanical and optical version are 1st. In addition, panel vendor is T1. It’s produced on 29-week of 2003 for universal area and its serial code is 1001.

  • Page 65: Appendix C Borad S/N Coding

    Appendix C Board S/N Coding XXXXXXXXXX XXXX *Date Code Revision Vendor Code B. DMD BD C. MAIN BD *Date Code : Year(1 digit)+Week(2 digits) Coretronic Corporation 7-20...

  • Page 66: Reader's Response

    Thank you for your backing our service manual up. In order to refine our content of the service manual and satisfy your requirement. We expect you can offer us some precious opinions for reference. Assessment: What do you think about the content after reading H31 Service Manual? e l l i t c i t c &...

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