Optoma EP770 Serivce Manual
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Optoma EP770 Serivce Manual

Optoma EP770 Serivce Manual

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SERVICE MANUAL

Date
Version
2006/12/28
Model Name : EP770
Prepared by SI :
Prepared by TSE :
________________________________________
Checked by :
Approved by :
________________________________________
V1.0
Initial Issue
Copyright Dec., 2006 . All Rights Reserved
P/N#36.86S03G001
________________________________________
________________________________________
Description

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  • Page 1: Service Manual

    SERVICE MANUAL Model Name : EP770 Prepared by SI : ________________________________________ Prepared by TSE : ________________________________________ Checked by : ________________________________________ Approved by : ________________________________________ Date Version Description 2006/12/28 V1.0 Initial Issue Copyright Dec., 2006 . All Rights Reserved P/N#36.86S03G001...
  • Page 2 Preface This manual is applied to EP770 0.7” 0.7" XGA / 12º DDR DMD 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

    Equipment Needed LED Lighting Messsage LED Procedure Chapter 4 Function Test and Alignment Procedure Test Equipment Needed Service Mode Reset(OSD) Test Condition Inspection Procedure Chapter 5 Firmware Upgrade Procedure Equipment Needed Firmware Upgrade Mode Installation Procedure Firmware Upgrade Procedure Confidential EP770...
  • Page 4 Chapter 6 EDID Upgrade Procedure EDID Introduction Equipment Needed Setup Procedure EDID Key-In Procedure Appendix Appendix A Exploded Overview Appendix B 7-21 I . Serial Number System Definition 7-21 II. PCBA Code Definition 7-22 Reader’s Response 7-23 Confidential EP770...

  • Page 5: Chapter 1 Introduction

    Input signal spec. - Computer signal: - H sync frequency: 31.35~80 kHz - V sync frequency: 56 ~ 85 Hz - Sync type: separate, composite, SOG(sync on green) - RGB level: 0.7Vp-p, 75 ohm(separate sync/composite sync/R,B in SOG) Confidential EP770...
  • Page 6 - Remote controller, - Battery for remote controller x 2 - Soft carrying bag Full Printed manual - EMEA & USA : English, French, German, Spanish and Portuguese - ASIA : English, Traditional Chinese, Japanese, Korean and Simplified Chinese, Confidential EP770...
  • Page 7 : Digial YPbPr w/ HDCP - D-sub 15pin x 1 : Analog RGB, Component video, SCART-RGB - RCA(yellow) x 1 : Composite Video, SCART-RGB - Mini DIN 4pin x 1 : S-Video - Stereo Mini Jack : Audio input Confidential EP770...

  • Page 8: 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 960 1280 x 960 1280 x 1024 Confidential EP770...
  • Page 9 Compatibility Resolution V-Sync (Hz) 1280 x 1024 MAC 16” 832x624 74.55 MAC 19” 1024x768 1152x870 75.06 MAC G4 640x480 i Mac DV 1024x768 i Mac DV 1152x870 i Mac DV 1280x960 Confidential EP770...

  • Page 10: Equipment Needed

    Chapter 2 Disassembly Process This section provides disassembly procedure for EP770 Mid-level Micro Portable Business 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 electrical outlet.

  • Page 11: Remove Lamp Module

    Mechanical Disassembly Procedure 1. Remove Lamp Module Procedure Photo Unscrew 2 screws to remove the Lamp Cover. Unscrew 2 screws to remove the Lamp Module. Confidential EP770...

  • Page 12: Remove Front Cover / Back Cover / Top Cover

    Unscrew 3 screws to remove the Front Cover. Note: Note: Please pay attention to the two tenons on both side when pull upward the front cover. Note for Assembly: Note for Assembly: Please follow step a -->b to assembly the front cover. Confidential EP770...
  • Page 13 Procedure Photo Unscrew 6 hex screws and 2 screws to remove the Back Cover. Unscrew 3 screw in the Bottom Cover and 1 FPC connector, unplug IR Receivers to remove Top Cover Module. Confidential EP770...
  • Page 14 Board. Disassemble Top Cover / Keypad BD / Main Button: a. Unscrew 3 hex spacers b. Unscrew 4 screws to remove Top Shelding. Note for assembly: add 3M sticker in C2 position to avoid to damage FPC wire. Confidential EP770...

  • Page 15: Remove Main Board

    4. Remove Main Board Procedure Photo Unplug 9 connects, unscrew 5 screws in the Top and then un plug 1 connector in the Bottom to remove the Main Board. Confidential EP770...

  • Page 16: Remove Elevator And Shielding Cover

    5. Remove Elevator and Shielding Cover Procedure Photo a. Take off the Elevator Foot Rubber and unscrew 1 screw to remove the elevator. b. Unscrew 2 screw to remove the elevator. Confidential EP770...

  • Page 17: Remove Lamp Driver And Fan Module

    6. Remove Lamp Driver and Fan Module Procedure Photo a. Unscrew 2 hex screws & 2 screws and unplug 2 connectors to remove the Lamp Driver. b. Unscrew 3 screws to remove Axial Fan Module. Confidential EP770...

  • Page 18: Remove Lvps

    Unscrew 2 hex screws & 4 screws and unplug 1 grouding wire (with 1 screw) to remove the LVPS. b. Unplug 2 connectors to separate the LVPS. Note: When assemble LVPS and MB, LVPS Cable has to follow direction as Map showed. Confidential EP770...

  • Page 19: Remove Engine Module

    8. Remove Engine Module Procedure Photo Unscrew 2 screws to remove Fan module. a. Unscrew 4 screws to remove the Engine Module. b. Unscrew 3 screws to remove Blower and Interlock switch. Confidential 2-0 EP770...
  • Page 20 Unscrew 4 screws to remove the Heatsink Module. Unscrew 4 hex screws to disassemble the other Engine Module. Unscrew 1 screw to remove the Color Wheel. Unscrew 1 screw to remove the Photo Sensor Board. Take the Zoom Ring off directly. Confidential 2- EP770...

  • Page 21: Remove Bottom Cover

    9. Remove Bottom Cover Procedure Photo Remove Light Cut: b. Light Cut (side) a. Remove 2 screws to remove the light cut (top) b. Remove Light Cut (side) directly. a. Light Cut (top) Confidential 2-2 EP770...

  • Page 22: 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 LED Lighting Message EP770 Confidential...
  • Page 23 Auto Shut - Check LED Status Down a. Lamp LED Light - Check Lamp - Check Lamp Driver - Check Main Board b. Temp LED Light - Check Thermal Sensor - Check Thermal Switch - Check Fan c. Color Wheel - Check Color Wheel - Check Photo Sensor No Image - Ensure the Signal Cable and Source work (If you connect multiple sources at the same time, use the “Source” button on the control panel to swtich) - Ensure all connectors are securely connected and aren’t broken - Check Main Board Note: When you link the sources - Check DMD Board Video, S-Video and Component at - Check Color Wheel the same time, the third source will - Check DMD Chip not be searched due to the original - Check Engine Module design. No Light - Ensure all connectors are securely connected and aren’t bro- - Check Lamp Module - Check LVPS - Check Lamp Driver - Check Main Board EP770 Confidential...
  • Page 24 - Check Lamp Module - Check Color Wheel - Check DMD Board - Check Main Board Color Abnormal - Do “Reset” of the OSD Menu - Adjust Color Wheel Index - Check Main Board - Check DMD Board - Check Color Wheel Poor Uniformity / - Ensure the Projection Screen without dirt Shadow - Ensure the Projection Lens is clean - Ensure the Brightness is within spec. (Replace the Lamp if the Brightness is less than spec.) - Check Engine Module Dead Pixel / Dust - Ensure the Projection Screen without dirt (Out of spec.) - Ensure the Projection Lens is clean - Clean DMD Chip and Engine Module - Check DMD Chip - Check Engine Module Garbage Image - Ensure the Signal Cable and Source work - Check Main Board - Check DMD Board EP770 Confidential...
  • Page 25 Symptom Procedure Remote Controll - Remote Control or Control Panel a. Check Battery Failed 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 - If there are shadow at “Top” & “Bottom” side of the screen, adjust “Screw 1” to adjust Rod position. - If there are shadow / yellow light / blue light at “Lift” & “Right” side of the screen, adjust “Screw 2” to adjust Rod position. - “Screw 1” should be adjusted first, then “Screw 2 “. EP770 Confidential...

  • Page 26: Test Equipment Needed

    Calibration Reset Update Index Time Color Wheel Lamp Module 4-2 Service Mode Step Turn on the Projector and input the signal. Do the following action sequentially to enter service mode menu. Press these buttons sequentially: Power, Source, Source, Menu Confidential EP770...

  • Page 27: Reset(Osd)

    - Circumstance Brightness : Dark room less than 0.5 lux. - Inspection Distance : D=2.44m under wide condition - Screen Size : 60 inches diagonal (wide) - After repairing each EP770, the unit should be run-in (Refer to the table below). Symptom Run-in Time...

  • Page 28: Inspection Procedure

    - Test Signal : position of 1024x768@60Hz video should be - Test Pattern : General adjustable to - Adjust Resync or be the screen Frequency / Tracking / frame. H. Position / V. Position to the inner of the screen. Confidential EP770...
  • Page 29 ICON Pattern & 64 GRAYS RGBW - Please check and ensure if each color is normal and distin- guishable. - If not, please adjust color index of the Engineering Mode. - Fix OSD to re-sync or track Frenquency. Confidential EP770...
  • Page 30 Gray 10 Patterns patterns - Please check and see if the light leaks *Note - The unit cannot accept the leakage is brighter than Gray 10 Patterns Note: Light leak on reflective edge, eyecatcher, bond wires and exposed metal. Confidential EP770...
  • Page 31 “Menu” to leave the Service Mode after all. R, G, Each R, G, B - Test Pattern : R, B and color should be G, B and White White normal without Color Color color abnormal Perfor- issue. mance Confidential EP770...
  • Page 32 (Bright) cannot be accept- Gray 30 ed if the problem appear with Gary 30 patterns Blemish The dark blemish - Test Pattern : (Dark) cannot be accept- Blue 60 ed if the problem appear with Blue 60 patterns. Confidential EP770...

  • Page 33: Chapter 5 Firmware Upgrade Procedure

    Chapter 5 Firmware Upgrade Procedure Equipment Needed Software : (DDP 2000- USB) - DLP Composer (Version 6.0) - Firmware (EP770) - Library files Hardware : Item Photo Item Photo Projector USB Cable (EP770) PC or Lap- Power Cord Firmware Upgrade Mode: Before doing firmware upgrade, please get into firmware mode first.

  • Page 34: 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 Agreement” icon. 3. Click “Next” button. Next Click “Next” button. EP770 Confidential...
  • Page 35 Step Procedure Photo Next 1. Choose “All” icon. 2. Click “Next” button. Next Click “Next” button. Process- The program is execut- ing “Initializing” status. Confidential EP770...

  • Page 36: Usb Driver Upgrade Procedure

    Cable into the Projector. Execute Execute the C:\Program Program files\DLP Composer\us- bupdata.cmd (Note: The “DLP Com- poser” program must be closed first.) Type any Press any key to contin- key to ue. Then, wait for about continue 1 minute. EP770 Confidential...
  • Page 37 “System Properties” window. 3. Choose “Hardware” and then click “Device Manager”. Ensure Click “Jungo” to ensure Device Manager “DDP2000” “DDP2000” and “Win- & “Win- driver” are properly Driver” are installed. If not, repeart properly Step 1~5. installed Confidential EP770...

  • Page 38: Firmware Upgrade Procedure

    2. The library path located in the default installation directory is C:\Program Files\ DLP Composer. If not, press “Browse” to select the right path. 1. Select “Edit\Prefer ences\Communi cations” and choose “USB”. 2. Click “OK”. Vendor: 0x451 Product: 0x2000 EP770 Confidential...
  • Page 39 USB Cable & Driver and replug, then re-do 4. Click “Reset Bus” to erase the flash memory.) 1. If the firmware is ready, click “Start Download” to process the firmware upgrade. 2. Click “Yes” to erase the flash memory. Confidential EP770...
  • Page 40 2. Unplug USB Cable and Power Cord. Re-plug in Power Cable. Check Restart the unit and Firmware enter the Service Mode to check the Firmware Version. (For entering Service Mode, please refer to Chapter 4 Function Test.) EP770 Confidential...

  • Page 41: Edid Introduction

    - EDID Program (Generic V0.51) - EDID Table (*.ini) Hardware: - V3 Fixture for EDID Key-in (Fixture: JP3 must be closed) Item Photo Item Photo VGA-DVI Power Adapter for Cable Fixture Generic Fixture DVI Cable P/N.:80.58704.00 Power Cord RS232 Cable Projector (EP770) Confidential EP770...

  • Page 42: Setup Procedure

    2. Fixture P1 to PC COM1 Port 3. Fixture P2 to HD72 DVI Port by VGA-DVI Cable. Power On Power on Fixture Fixture EDID Key-In Procedure Step Procedure Photo Execute Click on “EDID” to execute EDID EDID Program. Program. Confidential EP770...
  • Page 43 2. Click “Program”. Change - “Please change the Cable Cable to to VGA” message is shown on the screen. - Connect the port P2 of fixture to the DVI port of EP770 by VGA-DVI Cable - Click “OK” Confidential EP770...
  • Page 44 - “Please change the Cable Cable to to Digital” message is Digital shown on the screen. - Connect Port P3 of fixture to DVI Port of EP770 by Cable. - Click “OK” When the EDID program is Finished completed, the message, “OK”, will appear on the...

  • Page 45: Appendix

    Appendix Exploded Overview 1. EP770 Unit EP770 Confidential...
  • Page 46 Description 70.86S01G001 ASSY TOP COVER MODULE EP770 75.86S02G002 BUY ASSY FRONT COVER MODULE EP770 70.86S08G001 ASSY LAMP MODULE PHILIPS E19 220W EP770 61.00018G002 LOCK SCREW PAN MECH M3*8.5-3.5 BLACK 75.86S04G001 BUY ASSY REAR COVER MODULE EP770 85.4A323G080 SCREW FLAT MECH M3*8 BLACK 85.1A323G080...
  • Page 47 SCREW PAN MECH W/SF M3*8 NI GREEN 85.1F323G060 SCREW PAN MECH W/SF M3*6 BLACK 51.80S17G011 ELEVATOR FOOT PC+ABS EP739 80.86S05G001 PCBA IR SENSOR BD EP770 51.80N04G011 LAMP COVER PC+ABS HD70 41.80N05G001 EMI GASKET W15*H15*L30 75.86S01G001 BUY ASSY BOTTOM COVER EP770 52.80W07G001...
  • Page 48 ASSY AXIAL FAN MODULE Item Part NO Description 5.80N06G00 SPONGE FOR BLOWER DUCT BF1000 t=3.3mm EP739 49.83J0G00 70x20 SYSTEM FAN, SUNON GM1207PKVX-A, R TYPE 4.80N04G00 EMI GASKET W10*H6.5*L80 52.80W01G001 RUBBER FOR FAN7020 2300MPX 61.80N07G001 FAN BRACKET SECC EP739 EP770 Confidential...
  • Page 49 ASSY PCBA MAIN MODULE Item Part NO Description 5.83J7G003 PCBA MAIN MYLAR PD528D 5.80N07G00 M/B ABSORPTION NOISE CVS 15*t10mm L40 80.86S0G00 PCBA MAIN BOARD EP770 XGA EP770 Confidential...
  • Page 50 CABLE W.A. 5P #28 170mm LAMP DRIVER TO M/B 4.8RG00 DV10 51.00138G001 SPACER SUPPORT SCK-3A "PINGOOD" EP739 51.80N13G001 LAMP DRIVER HOLDER PC+ABS XL-300 75.85F01G001 ASSY PHILIPS LAMP DRIVER 220W 42.85F01G001 CABLE W.A. 2P #22 160mm LAMP DRIVER TO LAMP EP1690 EP770 Confidential...
  • Page 51 ASSY BOTTOM BASE MODULE EP770 Confidential...
  • Page 52 ELEVATOR SPRING SUS 304 0.4/OD4.4/L12 EP731 6.870G00 ELEVATOR SPRING 0.D:φ4.5 W.D:φ0.3 L:65mm ELEVATOR SPRING SUS304 Φ0.4/0D4.74/L8.3mm 6.87335G00 LVPS HOLDER SECC EP739 6.80N03G00 ASSY DMD FAN MODULE EP770 70.86S0G00 BOTTOM MESH SQUARE 1.1mm HOLE 6.80N4G00 TOP COVER SHIELDING SPTE PD120 61.82V04G001 ASSY BLOWER FAN MODULE PD527 70.83J7G00...
  • Page 53 61.80T06G001 HEX SPACER M3 W5 L29.5 COPPER PD521 61.80S06G001 CARD GUIDE BRKT SECC 1.0t TDP-T90 70.83J13G001 PRE ASSY LVPS LITEON PD527 61.80N01G014 BOTTOM BASE Mg-ALLOY EP770 FOR M3 CEILING MOUNT 41.81U01G001 EMI GASKET W17*H7*L40mm 41.81U02G001 EMI TAPE W40*L40mm 61.85S04G001 HEX SPACER M3-3 W5 L29 ALUMINUM HD70 41.83J17G001...
  • Page 54 LAMP INSULATOR AL NITTO 5011N 2300MP 6.0008G00 LOCK SCREW PAN MECH M3*8.5-3.5 BLACK 5.85F04G00 SILICON RUBBER FOR LAMP EP1690 5.85F05G00 LAMP INSULATOR SILICONE RUBBER EP1690 6.85F0G00 LAMP HOLDR Mg (PHILIPS) EP1690 75.86S05G00 BUY ASSY LAMP LIGHT CUT PHILIPS-E19 EP770 EP770 7-0 Confidential...
  • Page 55 LAMP COVER GLESS OF DP739 SERIES WITH 6.83FG00 LAMP ANTIGLASS LAMP SUS301 t=0.25 HD72 6.83F0G00 LAMP MESH OUT OSRAM SUS301 t=0.1 HD72 42.80W11G002 CABLE W.A. 2P #18 50/70mm OUTSIDE FOR LAMP 300MP 85.A66G050 SCREW PAN MECH M2.6*5 BLACK NYLOK 6.875G00 LAMP HADNLER SUS304 EP770 7- Confidential...
  • Page 56 ASSY DPTICAL LENS MODULE Item Part NO Description 85.WA321G040 SCREW PAN TAP M1.7*4 BLACK 3.85Y0G00 YM06H 1.2X XGA ZOOM PROJECTION LENS 5.89608G00 FOCUS RING PC+ABS C6200 EP759 5.8966G00 REPLACE RING PC+ABS C6200 EP759 EP770 7- Confidential...
  • Page 57 ASSY BLOWER DUCT MODULE Item Part NO Description 6.85F06G00 BLOWER FAN DUCT PHILIPS E19-220 AL-ADC12 5.8850G00 BLOWER DUCT PORON BF-1000 NITTO 5011N 00MP EP770 7-3 Confidential...
  • Page 58 SCREW PAN MECH M2.6*4 BLACK NYLOK 3.86R9G00 YO 5seg R90Y30G80W86B74 FOR EP749 51.80J38G002 MYLAR CW SUPPORT 739 FRPP 0.125t 5.8365G00 COLOR WHEEL DISC RUBBER, EzPro755 6.80J08G00 CW HOLDER 739 SECC 1.2t 6.8368G00 COLOR WHEEL SHOULDER SCREW NICKEL M2*4.8 FILLIST EP770 7-4 Confidential...
  • Page 59 SUB ASSY ENGINE MODULE EP770 7-5 Confidential...
  • Page 60 RELAY ANTIDUST YM06 RUBBER PD527 61.83J09G001 ROD COVER SUS301 0.5t PD527 61.80J05G002 ROD SPRING 739 SUS301 0.25t 70.86S07G001 ASSY OPTICAL LENS MODULE EP770 70.83J19G001 PRE ASSY ENGINE BOTTOM MODULE PD527 70.83J02G001 SUB ASSY ENGINE MODULE PD527 ASSY ROD MODULE PD527 70.83J04G001...
  • Page 61 DMD 1024*768 PIXEL DDR FTP 0.7"XGA 51.80B31G002 DMD INSULATOR MYLAR 0.435t T90 5.80J0G00 DMD ANTIDUST RUBBER 739 SILICONE RUBBER 5.8730G00 RUBBER BLOWER 595925 5.8739G00 DMD THERMAL PAD 18*13*0.5t 6.83J6G00 DMD LIGHT MASK FOR GLASS RELAY PD527 6.88605G00 DMD HEATSINK A1070 Ivy10X EP770 7-7 Confidential...
  • Page 62 DMD HEATSINK BACKER PLATE A6061 739 6.88608G00 DMD HEATSINK SPRING PLATE SUS301 0.4t Ivy10X 6.886G00 DMD SCREW Ivy10X 70.86S04G00 SUB ASSY ENGINE MODULE EP770 70.83J0G00 SUB ASSY ENGINE MODULE PD527 85.A53G040 SCREW PAN MECH M3*4 NYLOK 51.80W33G001 ENGINE BOTTOM MIRROR1 TAPE 3M-J350...
  • Page 63 ASSY COLOR WHEEL MODULE Item Part NO Description 6.86S0G00 LVPS PLATE AL-5052 T=0.8mm EP770 85.A66G050 SCREW PAN MECH M2.6*5 BLACK NYLOK 49.83J04G00 45x10 DMD BLOWER, SUNON B1245PFV1-8A, BLACK COVER , R TYPE EP770 7-9 Confidential...
  • Page 64 Part NO Description 6.86708G00 HEX SPACER M3 W5mm L70mm COPPER HD70 6.80N7G00 KEYPAD SHIELDING AL+MYLAR HD70 75.86S03G00 BUY ASSY BUTTON MODULE EP770 80.86S03G00 PCBA KEYPAD BOARD EP770 85.ZA123G040 SCREW WCH/W MECH M3*4 Ni GREEN 4.83J04G00 CABLE FFC 14P P=0.5 150mm PD527 5.80N0G00...

  • Page 65: Appendix B

    EX : A86S648T0AAAA1001 This label “A85T548T0AAAA1001” represents the whole serial number for EP770,including Ver. 1st of BIOS and Ver. 1 of PCB Board. Both mechanical and optical version are 1st. In addition, panel vendor is TI. It’s produced on 48s-week of 2006 for universal area and its serial code is 1001.

  • Page 66: Pcba Code Definition

    PCBA Code Definition PCBA Code for Projector XXXXXXXXXX C XXX EEEE C: M/B B: DMD/ B Vendor Code Revision Date Code EP770 7- Confidential...

  • Page 67: Reader's Response

    2. Disasaembly Procedure 3. Troubleshooting 4. Function Test & Alignment Procedure 5. Firmware Upgrade Procedure 6. DDC key-in Procedure 7. Appendix Are you satisfied with the EP770 service manual? Item Excellent Good Fair 1. Service Manual Content 2. Service Manual Layout 3.

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