Optoma DV20 Serivce Manual
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Optoma DV20 Serivce Manual

Optoma DV20 Serivce Manual

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SERVICE MANUAL

DV20
Date
Revise Version
Description
2010.11.25
V1.0
Initial Issue
Copyright Nov 2010. All Rights Reserved
Prepared:
Check:
Approved:

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Summary of Contents for Optoma DV20

  • Page 1: Service Manual

    SERVICE MANUAL DV20 Date Revise Version Description 2010.11.25 V1.0 Initial Issue Copyright Nov 2010. All Rights Reserved Prepared: Check: Approved:...
  • Page 2 Preface This manual is applied to DV20 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

    Troubleshooting Main Procedure Chapter 4 Function Test & Alignment Procedure Test Equipment Needed Service Mode System Reset Test Condition Test Inspection Procedure Power and Led indicator PC Mode Video Performance i-pod and iphone function test Optical Performance Measure DV20 Confidential...
  • Page 4 Others Chapter 5 Firmware Upgrade Equipment Needed Firmware Upgrade Procedure Chapter 6 EDID Upgrade EDID introduction Appendix A Exploded Image Appendix B Serial Number System Definition PCBA Code Definition XIII DV20 Confidential...

  • Page 5: Chapter 1 Introduction

    •� ���� pin to ���� in/Component ��� Input Si�nal •� Composite ��ideo/�udio �φ���mm� �� � •� �D�I ���3 �� � •� In �ri�ht �ode; <3� Watt �� Power consumption •� In Cinema �ode <3� Watt •� In Photo �ode <3� Watt DV20 Confidential...

  • Page 6: Compatible Mode

    ���� ���� ���� �� ��� ���� ���� �� ��� ���� ���� �� ��� ���� ���i / ���P ���� ��ideo ���i / ���P ���� ���P ����/���� ���i / ���P ���� ���i / ���P ���� �D�I ���P ����/���� ����i ����/���� DV20 Confidential...

  • Page 7: Disassembly Process

    2-1 Equipment Needed & Product Overview 1. Screw Bit (+): No.00 2. Screw Bit (+) :107 3. Screw Bit (-) :107 4. Hex Sleeves 5mm 5. DV20 Unit * Before you start: This process is protective level II. Operators should wear electrostatic chains. DV20 Confidential...

  • Page 8: Disassemble Top Cover Module

    2-2 Disassemble Top Cover Module 1. Unscrew 8 screws.(As red circles) 2. Unplug 3 cables.(As yellow squares) 3. Unplug the M/B to DOCK Board Cable and M/B to Touchpad Board Cable. M/B to Touchpad Board Cable M/B to DOCK Board Cable DV20 Confidential...
  • Page 9 Touchpad Holder Keypad Board Touchpad Cover 5. Unscrew 4 screws and disassemble the DOCK board.(As green circles) 6. Unscrew 1 screw and disassemble the DOCK Spring.(As yellow circle) DOCK Board DV20 Confidential...

  • Page 10: Disassemble Speaker And Fan

    1. Unplug 4 cables. a) 40P M/B TO FORMAT/B Cable b) 20P M/B TO FORMAT/B Cable c) 20P M/B to Audio/B Cable d) 50MM M/B to Audio/B Cable 2. Unscrew 7 screws and then take out the main board.(As red circles) DV20 Confidential...

  • Page 11: Disassemble Audio Board And Format Board

    2-6 Disassemble Engine Module 1. Unscrew 2 screws and one hex screw, then take out the Engine Module.(As red circles) 2. Unscrew 3 screws(As yellow circles) and then pull out the focus ring as red arrow direct. DV20 Confidential...
  • Page 12 3. Unscrew 8 screws(as blue circles) and disassemble 3 heatsinks. 4.Unscrew 2 screws and disassemble the 50 Pin FPC cable.(As red squares) 5.Unscrew 2 screws, disassemble the engine holder and DMD chip.(As yellow squares) The disassemble process is over. DV20 Confidential...

  • Page 13: Main Procedure

    "Source" button switch) - Ensure all connectors are securely connected and aren’t broken No Image - Check Format Board - Check Main Board - Check 50 Pin FPC cable - Check Engine Module Mechanical Noise - Check Fan Module DV20 Confidential...
  • Page 14 - Check DMD Chip - Check Engine Module - Check 50 Pin FPC cable - Ensure that the signal cables and source work as well - Check Format Board Garbage Image - Check Main Board - Check Engine Module Engine Module DV20 Confidential...
  • Page 15 - Ensure that the signal cables and source are working well - Ensure that your Projector is not in “Mute” mode - Check the interior Speakers of the projector Audio Abnormal - Check the exterior Speaker that you are using - Check Main Board - Check Audio Board DV20 Confidential...

  • Page 16: Function Test&Alignment Procedure

    - Connect the VGA signal and then get into service mode. - Choose “image” and then choose “Auto Color”,the “PASS“ will show after press Enter.Then choose “System Reset“,the “Finish“ will show after press Enter. DV20 Confidential...

  • Page 17: Test Condition

    Defect specification table Order Symptom Pattern Criteria Dark pixel (dots) White pattern A+B≤4 Unstable pixel (dots) Any pattern A+B=1 Adjacent pixel (dots) Any pattern A+B=0 Bright pixel (dots) Gray 10 pattern A+B=0 Bright dot on frame Gray 10 pattern ≤1 DV20 Confidential...

  • Page 18: Test Inspection Procedure

    4-4-2 Burn-In Test - Temperature: 15°C~35°C - Circumstance brightness: Normal environment - Screen size: No concern - Display mode: ECO mode After repairing DV20, it should be Burn-in (refer to the below table). Symptom Burn-in Time Normal repair 2 hours...

  • Page 19: Pc Mode

    - Test signal: Analog 1280x800@60Hz. - Test Pattern: full white Inspection item - Dark pixels check. Criteria - The number of the dead pixels should be less or equal to 4 pixels. Full white - Adjacent dark with each other is unacceptable. DV20 Confidential...
  • Page 20 - Color appears normal. Master pattern - RGBW should all appear normal on the screen and sort from R-G-B-W. - Color levels should be sufficient and normal. DV20 Confidential...

  • Page 21: Video Performance

    - 0.8 M ~1.0 M Criteria - Check the sound from speaker - Press ‘‘Up’’ button of the remote control to modulate the volume to Max, then press “down” button to modulate the volume to 45, check whether the volume is normal. DV20 Confidential...

  • Page 22: I-Pod And Iphone Function Test

    1. Test equipment Procedure - Please get into bright mode, focus should be clear. - Get into service mode and choose “pattern” then press ‘‘Left’’ or ‘‘Right’’ to select full white and full black pattern, then start signal test. DV20 Confidential...
  • Page 23 Procedure - Full white pattern - Use CL100 to measure brightness values of P1~P9 (see image: full white). - Follow the Uniformity formula to calculate average values. ☼ Uniformity Formula ANSI Uniformity = Avg.(P1,P3,P7,P9)/P5×100% Criteria • 50 % DV20 Confidential...
  • Page 24 Screw All screws sure be fixed and in right type. Plastic parts All plastic parts can not be broken and damaged. Connector All interface connector should be complete and workable DV20 Confidential...

  • Page 25: Firmware Upgrade

    Chapter 5 Firmware Upgrade 5-1 Equipment Needed Software : - DV20 System FW file(.BIN) - Debug Board Driver - ISP_Tool V4.4.5.0.exe Hardware : - Projector (DV20) - Debug Board (75.8GA01GR01) - USB cable (42.00281G102) - VGA Cable (42.00200G004) - Monitor...
  • Page 26 DV20. (3) Press "power button" and turn on the projector.(As yellow square) 2. Download software Installation (1) Unzip the “DV20 Driver.zip“ and open the “ Debug_board_driver”,then double click “ Setup“,as right picture show. (2) Click “Next >“.
  • Page 27 (3) Choose “Everyone“ ,then click “Next>“. (4) Choose "Next>". (5) Choose "Continue Anyway" (6) Choose "Continue Anyway" DV20 Confidential...
  • Page 28 (7) Choose "Continue Anyway" (8) Choose "Continue Anyway" (9) Wait a short while,a small window will show,and click "OK" (10) Unzip the "Mstar Tool.zip" and double click "ISP_Tool V4.4.5.0.exe" DV20 Confidential...
  • Page 29 FW file (*.BIN) and click "Open". (14) Choose "Auto" icon and do the "Download Setting",then click " " to "Start Download".When "Download Finish",the green character "Pass" will show. Start Download Download Finish Download Setting DV20 Confidential...
  • Page 30 (14) After firmware upgrade, we should check the firmware version.Press Menu,Up, Up,Up,Enter,Menu to get into Service Mode. Choose "info" to check the firmware version.(As red square) DV20 Confidential...

  • Page 31: Edid Upgrade

    Chapter 6 EDID Upgrade 6-1 EDID Upgrade Procedure - The upgrade procedure for VGA and HDMI ports please refer to common service manual chapter 6. DV20 Confidential...
  • Page 32 Appendix A Exploded Image D.C. Item Description Part Supply 51.8GA12G001 MYLAR FOR LABEL DV20 52.8GA01G001 RUBBER FOOT SILICON DV20+ 70.8GA01G001 ASSY TOP COVER MODULE DV20+ 70.8GA02G001 ASSY BOTTOM COVER MODULE DV20+ 85.1A526G050 SCREW PAN MECH M2.6*5 Ni NYLOK DV20 Confidential...
  • Page 33 Assy Top Cover Module Item Description Part Supply 42.00301G001 FFC 20P P=0.5 M/B TO DOCK/B 130mm DV20 FFC 10P P=0.5 M/B TO TOUCHPAD/B 100mm ASTYPE 42.0030LG001 DV20 51.82G29G001 WIRE MOUNTS FW-4DMKW EP719 51.8GA04G001 TOUCHPAD COVER PMMA DV20+ 51.8GA08G001 TOUCHPAD HOLDER DV20+ 75.8GA02G001...
  • Page 34 Item Description Part Supply 41.80J09G001 GASKET FOR USB 12*5*2t VULCAN 42.0030HG001 FFC 20P P=0.5 M/B TO AUDIO/B 60mm AD TYPE DV20+ 42.0030JG001 FFC 20P P=0.5 M/B TO FORMAT/B 40mm DV20+ 42.0030MG001 FFC 40P P=0.5 M/B TO FORMAT/B 40mm DV20+ 42.00468G001 W.A IP #16 250mm GROUND BLACK DV20...
  • Page 35 75.8GA03G001 BUY ASSY BOTTOM COVER DV20 PCBA FORMAT BD FOR SMD ASSY DV20 80.8GA06G001 PROJECTOR 80.8GA08G001 PCBA AUDIO BD FOR SMD ASSY DV20 PROJECTOR 85.005AGG408 SCREW HEX I/O #4-40 H4*L8 NI NYLOK 85.0082AG089 SCREW HEX ENGINE BRASS M1.4*L8.95 P=0.3 85.1A526G050 SCREW PAN MECH M2.6*5 Ni NYLOK...
  • Page 36 Assy Main Board Module Item Description Part Supply 80.8GA01G001 PCBA MAIN BD FOR SMD ASSY DV20 PROJECTOR DV20 Confidential...
  • Page 37 A.K. DV20 Confidential...
  • Page 38 47.8CU01G001 AC ADPTER IN:100V-240V OUT:20V/2A FOR DV20 51.00027G003 PE BAG ZIPPER 33cm*25cm SIZE GREEN FOR OPTOMA 36.8GA01G001 USER’S GUIDE MULTILINGUAL (CD) DV20 36.8GA02G001 QUICK START CARD MULTILINGUAL DV20 36.00024G021 WARRANTY CARD US FOR OPTOMA, 1 YEAR W/O BATTERY DV20 Confidential...
  • Page 39 50 = week of the manufacture year ( ex:the fiftieth week of the year = 50) AAAAA= Not Defined C = Manufacture factory (CPC) 0001= Serial Code EX: Q8GA050AAAAC0001 This label represents the serial number for DV20. It is produced for USA at CPC on fifty week of 2010. DV20 Confidential V...
  • Page 40 II. PCBA Code Definition PCBA Code for Projector XXXXXXXXXX EEEE Vendor Code Revision Date Code DV20 Confidential...

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