Optoma EP732B Service Manual
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Optoma EP732B Service Manual

Optoma EP732B Service Manual

Dmd svga projector
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SERVICE MANUAL

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Model Name : EP732B
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Copyright February, 2004 . All Rights Reserved
Document #80V-G04-01A . P/N: 36.80V01.001
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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Summary of Contents for Optoma EP732B

  • Page 1: Service Manual

    SERVICE MANUAL Model Name : EP732B Prepared by SI : ________________________________________ Prepared by TSE : ________________________________________ Check by : ________________________________________ Approved by : ________________________________________ t i n Copyright February, 2004 . All Rights Reserved Document #80V-G04-01A . P/N: 36.80V01.001...
  • Page 2 Preface This manual is applied to EP732B 0.55” DMD SVGA Projector with digital imaging functionality based on Digital Micro-mirror Device (DMD) technology. It’s the mode of single Panel, 200 watt lamp and 800(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

    Test Display Modes & Pattern Inspection Procedure Chapter 5 Firmware Upgrade Procedure Equipment Needed Setup Procedure Installation Procedure Firmware Upgrade Procedure Chapter 6 DDC Key-in Procedure Equipment Needed Setup Procedure DDC Key-in Procedure Appendix A Serial Number System Definition Reader’s Response EP732B...

  • Page 4: Chapter 1 Introduction

    On-screen menu with 10 languages Built-in one 2W speaker IR remote control without USB mouse function and laser pointer Adaptive voltage control fan speed Auto source option for stable display from fixed source (when disabled) Monitor loop through ECO mode supports EP732B...

  • Page 5: Machanical Specifications

    S-Video Input (Mini DIN 4-pin *1) to take a SCART RGB signal, via an adaptor. 15 pin Monitor Output (D-Sub 15-pin Female terminal * 1) USB Remote mouse output (USB, type B connector * 1) Audio line input (3.5mm Mini Jack stereo) EP732B...

  • Page 6: Optical Specifications

    Adjustable from 32.5” to 337.5” (Diagonal) Throw Distance 1.4m~12m Brightness(200W) 1150 ANSI Lumens (Typical) 1030 ANSI Lumens (Minimum) Contrast 1600 : 1 Typical (Full on / Full off) 1000 : 1 Minimum (Full on / Full off) Uniformity 65% Minimum (Japan Standard) EP732B...

  • Page 7: Environmental Specifications

    1,500 hours to 50% survival typical full on mode Altitude : Operating : 0 ~ 2,500 ft 5~35° C 2,500 ~ 5,000 ft 5~30° C 5,000 ~ 10,000 ft 5~25° C Storage : 40,000 ft MTBF : Operating more than 10,000 hours (80% Confidence Level) EP732B...

  • Page 8: Disassembly Procedure

    Chapter 2 Disassembly Procedure Removing Top Cover and I/O Panel Unscrew 4 screws from left and right side of Top Cover. Unplug one FPC cable and remove Top Cover. Unscrew 4 hex screws to remove I/O Panel. I/O Panel EP732B...

  • Page 9: Removing Lamp Cover And Lamp Module

    Removing Lamp Cover and Lamp Module Unscrew one screw to remove Lamp Cover. Loosen 3 screws to remove Lamp Module. EP732B...

  • Page 10: Removing Main Board

    Removing Main Board Unplug all wires(blue circle show) and unscrew 5 screws(red circle show) to remove Main Board. Note : The green connector is connect to the Blower Fan EP732B...

  • Page 11: Removing Lamp Driver

    Removing Lamp Driver Unscrew 5 screws (red circle show) and unplug one cable (blue circle show) to remove Lamp Driver. Main BD Bracket EP732B...

  • Page 12: Removing Blower Fan And Front Fan

    Removing Blower Fan and Front Fan Unscrew 2 screws to remove bracket. bracket Unscrew 2 screws to remove Blower Fan. Unscrew 3 screws to remove Front Cover Module, then unscrew 2 screws to remove Front Fan. Front Fan Front Cover Module EP732B...

  • Page 13: Removing Lvps Module

    Removing LVPS Module Unscrew 2 screws to remove bracket. Unscrew 2 screws and unplug one cable. Unscrew 4 screws to remove LVPS Module. EP732B...

  • Page 14: Removing Engine Module

    Removing Engine Module Unscrew 3 acrews to remove the Light Cut and Fan Vent. Light Cut Fan Vent Unscrew 5 acrews to remove Engine Module. Engine Module EP732B...
  • Page 15 Unscrew 3 screw to remove Fan Module and Silicon Rubber from Bottom Cover. Silicon Rubber Fan Module Unscrew 2 screw to remove Limit Switch from Bottom Cover. Elevator Module Limit Switch EP732B...

  • Page 16: Disassembly Engine Module (Part I)

    Disassembly Engine Module (Part I) Unscrew 4 screws to remove all parts from Engine Module. DMD Chip DMD BD DMD Mylar DMD Heatsink DMD Heatsink DMD Spring Holder EP732B...

  • Page 17: Disassembly Engine Module (Part Ii)

    Disassembly Engine Module (Part II) Unscrew 3 screws to remove Push Button, then unscrew 3 screws to remove Zoom Ring. Zoom Ring Push Button 2-10 EP732B...

  • Page 18: Chapter 3 Troubleshooting

    Chapter 3 Troubleshooting Equipment Needed EP732B Projector EP732B Remote Control VGA to VGA Cable PC (Personal Computer) DVD Player for Video Signal and Audio Signal HDTV Tuner or Player (480i, 480p, 720p, 1080i) Main Procedure 3-2.1 Power Troubleshooting Is LED Indicator OK? Check the Power cord and AC power outlet.
  • Page 19 Ensure the Signal cable and Source is work as well. Adjust the Tracking selection in OSD Menu. Press the Menu button to check that have the noise issue appear on OSD Menu. (Check the Main board if the noise also appear on the OSD Menu.) EP732B...
  • Page 20 Ensure the signal cable and source work as well. Check that can OSD menu show on the screen. (Check the main board if OSD cannot show on the screen) Check the I/O connect board. (Use the new I/O connect board for the test) EP732B...
  • Page 21 (Check the cable length of cable; the signal will be reduce when the signal cable is longer than 5 m) Do the “Factory Reset” of the engineering mode. (Check the Main board if the image still display with noise.) Check the I/O board. EP732B...

  • Page 22: Function Troubleshooting

    It might has the noise issue if the volume select to the max.) Use the new Speaker for the test. (Replace the Speaker if the new Speaker works fine with the Unit.) Check the Speaker wire that has broken issue or not. Check the Main board. EP732B...

  • Page 23: Remote Control Troubleshooting

    Remote Control No Function. Use a known Remote control for the function test. (Replace the Remote control if the new Remote control works fine with the Unit.) Check the Main board if the Unit works fine with a known good Remote control. EP732B...

  • Page 24: Function Test And Alignment Procedure

    Inspection Distance : 2.0m • Screen Size : 60 inches diagonal (wide) • Before function test and alignment, each EP732B 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 25: Test Display Modes & Pattern

    4-3 Test Display Modes and Patterns 4-3.1 Compatible Modes Analog : i l i " 3 " 6 " 9 EP732B...

  • Page 26: Function Test Display Pattern

    F t i h a i l . z r . t r t i s Fine Line Morie Pattern (Figure 1) Contrast & Brightness (Figure 2) R. Color Pattern (Figure 3) G. Color Pattern (Figure 4) EP732B...
  • Page 27 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) EP732B...

  • Page 28: 4-4 Inspection Procedure

    Test Pattern: Gray 30, Blue 180, White, Dark, Red, Green, & Blue Pattern ¡ Please check and see if there are dead pixels on DMD chip. ¡ The total numbers and distance of dead pixels should be complaint with specification. EP732B...
  • Page 29 After final QC step, we have to erase all saved change again and restore the factory defaults. Please select and enter “Factory Reset” Function to see if it is workable. This action will allow you to erase all end-users’ settings and restore the original factory setting. EP732B...

  • Page 30: Firmware Upgrade Procedure

    - dev (firmware folder) Hardware : - Power Cord - RS232 Cable - USB Cable (P/N : 42.86006.001) - PC or Laptop - EP732B Projector Setup Procedure Connect USB of PC and USB port of EP732B projector. USB Cable USB Port EP732B...

  • Page 31: Installation Procedure

    Installation Procedure 5-3.1 DLP Composer Installation Procedure Execute the “DLP Composer Lite V3.3 Setup” program. Click “Next” icon. EP732B...
  • Page 32 Select “I accept and agree to be bound by all the terms and conditions of this License Agreement”, then Click “Next” icon. Select “All” and then click “Next” icon. EP732B...
  • Page 33 Click “Finish” to complete the installation. Click “Yes” to restart the computer EP732B...

  • Page 34: Usb Driver Upgrade Procedure

    5-3.2 USB Driver Upgrade Procedure After linking the PC and EP732B projector with a USB cable, press and hold the menu button, then push the power button to turn on the projector. Note : The “Temp” LED and “Lamp” LED should be full on.
  • Page 35 Click “OK”. The USB driver have successful. Right click “My Computer” on the desktop. Select “Properties” on the popup menu to launch the “System Properties” window. Choose “Hardware” and then click “Device Manager.” Device Manager My Computer System Properties Hardware EP732B...
  • Page 36 Click “Jungo” to assure “DDP2000” and “WinDriver” are properly installed. If not, repeat Step 1 ~ 6. Device Manager EP732B...

  • Page 37: Firmware Upgrade Procedure

    Firmware Upgrade Procedure Execute the “DLP Composer ”. Click “Edit” and “Preferences”. EP732B...
  • Page 38 Click “Library”. The library path located to the default installation directory is : C:\Program Files\DLP Composer. If not then press “Browse” to select the right path. Select “Edit\Preferences\Communications”, choose “USB”, and then click “OK”. EP732B...
  • Page 39 Choose “Flash Loader” and click “Browse” to search the “DDP200_Flash_Vxx_EP732B.img” file. Then click this button to maximize the window size. Click “Reset Bus” to erase the flash memory. 5-10 EP732B...
  • Page 40 Click “Yes” to erase the flash memory. If the firmware is ready, then click “Start Download” to process the firmware upgrade. 5-11 EP732B...
  • Page 41 Enter Service Mode to check if the firmware version is correct. Note : Press the “UP” and “Down” button at the same time. Press “UP” button twice and then press “LEFT” button to enter SERVICE MODE (under searching signal pattern). 5-12 EP732B...

  • Page 42: Ddc Key-In Procedure

    Chapter 6 DDC Key-in Procedure Equipment Needed (Analog) - PC - EDID fixture - Power Adapter & Power Cord - RS-232 Cable - VGA Cable - EP732B Power Adapter RS232 Cable EDID Fixture VGA Cable EP732B...

  • Page 43: Setup Procedure

    Connect P1 of the fixture and COM1 of PC with RS232 cable. (Figure 1 & 2) Connect P3 of the fixture and VGA port of EP732B with VGA cable. (Figure 1 & 2) Connect EP732B with Power Cord. (Figure 2) Turn on the power switch of the fixture.

  • Page 44: Ddc Key-In Procedure

    DDC Key-in Procedure Execute “Optoma_EP732_EDID” program. Select “COM1” and press “Link Test” key, then the screen will appear “Link OK”. EP732B...
  • Page 45 After finishing the above procedures, “ PASS “ massage will appear on the screen. Power on the EP732B and input digital signal. If there is no display, that means the EDID is not keyed in successfully. Then repeat Step 1 ~ 5.

  • Page 46: Appendix A Serial Number System Definition

    Serial code (from 0001~) EX : A80V429T0AAAA1001 This label “A80V429T0AAAA1001” represents the whole serial number for EP732B, 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 2004 for universal area and its serial code is 1001.

  • Page 47: 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 EP732B Service Manual? e l l i t c i t c &...

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