Optoma EP780 Service Manual Download Page 1

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Prepared by SI :

________________________________________

Prepared by TSE :

________________________________________

Checked by :

________________________________________

Approved by :

________________________________________

Model Name : EP780

Date

Version

Description

2006/9/29

V1.0

Initial Issue

2006/12/6

V2.0

modify “Chapter 5 Fireware Upgrade”

P/N#36.85Y03G001

SERVICE MANUAL

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Summary of Contents for EP780

Page 1: ..._________________________ Approved by ________________________________________ Model Name EP780 Date Version Description 2006 9 29 V1 0 Initial Issue 2006 12 6 V2 0 modify Chapter 5 Fireware Upgrade C...

Page 2: ...that you offer them This manual is for technicians and people who have an electronic background Please send the product back to the distributor for repairing and do not attempt to do anything that is...

Page 3: ...d Axial Fan Module 2 5 Disassemble Color Wheel Module Optical Engine Module and Blower Fan 2 6 Disassemble Speaker Blower Fan Thermal Sensor Board Interrupt Switch Module Bottom Cover and Rear Cover 2...

Page 4: ...erface 6 3 Setup Procedure VGA 2 port 6 4 EDID Key in Procedure VGA 2 Interface 6 5 Setup Procedure DVI port 6 6 EDID Key in Procedure DVI Interface 6 7 Chapter 7 Appendix A 7 1 Exploded Overview 7 1...

Page 5: ...ideo RCA USB VGA out D sub 15 pin output loop out active VGA input 3 Audio in Audio out RS232 3 pin mini DIN RJ45 IR sensors x 2 Speakers 2W x 2 5 Lamp housing Lamp could be changed by customer but sh...

Page 6: ...one Left source Right re sync Enter Power 15 Keystone correction 16 vertical and horizontal keystone compensation 16 Brightness 3350 ANSI Lumens Typical 2850 ANSI Lumens Minimum 17 Contrast ratio 2500...

Page 7: ...Full Power 3000 hours ECO mode 24 Lamp type Osram 300W E21 8 G2 lamp 25 QSC With 18 languages English German French Italian Spanish Portuguese Polish Dutch Russian Finnish Swedish Norweigian Dannish...

Page 8: ...480 75 37 5 640x480 85 43 3 720x400 70 31 5 720x400 85 37 9 SVGA 800 600 56 35 2 800x600 60 37 9 800x600 72 48 1 800x600 75 46 9 800x600 85 53 7 XGA 1024x768 60 48 4 1024x768 70 56 5 1024x768 75 60 0...

Page 9: ...024x768 75 60 24 MAC 1152x870 75 06 68 68 MAC G4 640x480 60 31 35 i Mac DV 1024x768 75 60 i Mac DV 1152x870 75 68 49 i Mac DV 1280x960 60 60 Digital Compatibility Resolution V Sync Hz H Sync KHz VGA 6...

Page 10: ...2 48 1 800x600 75 46 9 800x600 85 53 7 XGA 1024x768 60 48 4 1024x768 70 56 5 1024x768 75 60 0 1024x768 85 68 7 SXGA 1152x864 70 63 8 1152x864 75 67 5 1152x864 85 77 1 1280x1024 60 63 98 1280x1024 75 7...

Page 11: ...ial 2 2 1 Equipment Needed Chapter 2 Disassembly Procedure Item Photo Item Photo Screw Bit 107 Hex Sleeves 5mm Screw Bit 101 Screw Bit 6 0 x 100 All manuals and user guides at all guides com a l l g u...

Page 12: ...No Procedure Photo 1 Unscrew two screws to remove Lamp Cover 2 Unscrew three screws to remove Lamp Module 2 2 Disassemble Lamp Module and Elevator Foot Lamp Cover Lamp Module All manuals and user guid...

Page 13: ...780 Confidential 2 No Procedure Photo 3 1 Unscrew two screws to detach Elevator Foot from Bottom Housing 2 Lift it and then unscrew the screw Elevator Foot All manuals and user guides at all guides co...

Page 14: ...rocedure Photo 1 Unscrew eight screws and then turn unit to the top side 2 Loose Front Cover from Top Cover 2 3 Disassemble Top Cover Front Cover IR Sensor Module and Keypad Board All manuals and user...

Page 15: ...EP780 Confidential 2 No Procedure Photo 3 Disconnect three connec tors to remove Top Cover All manuals and user guides at all guides com...

Page 16: ...ews and tear off the tape from Front Cover to remove the IR Sensor Module 5 Unscrew three screws and disconnect the wire to remove the Keypad Board Keypad Button and FFC IR Sensor Module All manuals a...

Page 17: ...t eleven connectors and unscrew seven screws from Main Board Module 2 Unscrew eight hex screws from Bottom Cover 3 Remove Main Board Module 2 4 Disassemble Main Board Module Thermal Switch and LVPS Mo...

Page 18: ...EP780 Confidential 2 No Procedure Photo 4 Unscrew one screw to remove Thermal Switch Thermal Switch All manuals and user guides at all guides com...

Page 19: ...0 Confidential 2 No Procedure Photo 5 Pull up the LVPS Module and disconnect the connector 1 Unscrew one screw 2 Unscrew four screws to remove the Rear Cover All manuals and user guides at all guides...

Page 20: ...Confidential 2 10 No Procedure Photo 5 3 Disconnect two connectors 6 Unscrew the screw to remove EMI Ground Plate and separate the wire EMI Ground Plate LVPS All manuals and user guides at all guides...

Page 21: ...unnel Module from Bottom Housing 2 Unscrew two screws from Wind Tunnel Module to remove Fan Guider Module 2 5 Disassemble Fan Guider Module Wind Tunnel Module Lamp Driver Module and Axial Fan Module W...

Page 22: ...EP780 Confidential 2 12 No Procedure Photo 3 Unscrew five screws to remove Lamp Driver Module 4 Separate three connectors from Lamp Driver Module All manuals and user guides at all guides com...

Page 23: ...Procedure Photo 5 Unscrew two screws to remove Axial Fan Module 6 Unscrew four screws to separate Fan Hoder Bracket and Axial Fan Axial Fan Module Axial Fan Module Fan Hoder Bracket All manuals and us...

Page 24: ...eel Module Optical Engine Module and Blower Fan No Procedure Photo 1 Unscrew one screw to remove Color Wheel Module 2 Unscrew one screw to separate Color Wheel and Photo Sensor Module Color Wheel Modu...

Page 25: ...EP780 Confidential 2 15 No Procedure Photo 3 Unscrew two screws to remove Blower Fan All manuals and user guides at all guides com...

Page 26: ...EP780 Confidential 2 16 No Procedure Photo 4 Unscrew four screws to remove Engine Module from Bottom Housing All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 27: ...EP780 Confidential 2 17 No Procedure Photo 5 Unscrew four screws to remove DMD Heat sink DMD Heat sink All manuals and user guides at all guides com...

Page 28: ...ential 2 18 No Procedure Photo 6 Unscrew four screws to remove Bracket Plate Insulation Mylar DMD Board and DMD Chip DMD Board Bracket Plate Insulation Mylar DMD Chip All manuals and user guides at al...

Page 29: ...2 7 Disassemble Speaker Blower Fan Thermal Sensor Board Interrupt Switch Module Bottom Cover and Rear Cover No Procedure Photo 1 Unscrew four screws to remove Speaker Rear Cover All manuals and user g...

Page 30: ...e Photo 2 Unscrew six screws to remove Blower Fan Elevator Shading Mylar and Thermal Sensor Board Blower Fan Interrupt Switch Module Thermal Sensor Board Elevator Shading Mylar Bottom Cover All manual...

Page 31: ...EP780 3 Confidential Chapter 3 Troubleshooting 3 1 LED Lighting Message All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 32: ...er Refer to No Power troubleshooting 3 No Image Ensure the Signal Cable and Source work as well If you connect multiple sources at the same time use the Source button on the control panel to swtich En...

Page 33: ...mp if the Brightness is less than spec Ensure DMD Chip is clean Check Engine Module 10 Dead Pixel Dust Out of spec Ensure the Projection Screen without dirt Ensure the Projection Lens is clean Clean D...

Page 34: ...eceiver Control Panel a Check FPC b Check Keypad c Check Main Board 14 Function Abnor mal Do Reset of the OSD Menu Check Main Board Check DMD Board 15 Forgetting Pass word administra tor Password Pres...

Page 35: ...DC Calibration Video Calibration ResetLamp Use Time Factory Reset EDID M B v v v v v v FW v v v Color Wheel v 4 2 Service Mode No Item Step 1 Service Mode 1 Turn on the projector 2 Press and hold Ente...

Page 36: ...cy or Tracking selection Test Signal 1024x768 60Hz Test Pattern PANA ICON check and see if image sharpness and focus are well performed No video noise is al lowed 2 Boundary Horz And Vert position of...

Page 37: ...e return the unit back to the repair center 5 Color Performance No image discolor Test Signal 1024x768 60Hz Test Pattern 64 RGBW Scale Pattern 32 Grays Pattern Please check and ensure if each color is...

Page 38: ...rn Gray 10 Pattern Please check and see if the light leaks Note The unit cannot accept the leakage is brighter than Gray 10 Pattern Note Light leak on reflective edge eyecatcher bond wires and exposed...

Page 39: ...k Dead Pixel Dark pixel The numbers of dead pixel should be small er or amount to 6 pixel Test Pattern Full White 10 Blemish Bright The bright blem ish cannot be accepted if the problem appear with Ga...

Page 40: ...0 Firmware EP780 img Library files Hardware Firmware Upgrade Mode Before doing firmware upgrade please get into firmware mode first How to get in firmware mode Press and hold Menu button then turn on...

Page 41: ...utton 3 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 4 Next Click Next button 5...

Page 42: ...nfidential No Step Procedure Photo 5 Next 1 Choose All icon 2 Click Next button 6 Next Click Next button 7 Process ing The program is execut ing Initializing status All manuals and user guides at all...

Page 43: ...key when Power LED is green Lamp LED is red Temp Led is red 2 Execute Program Execute the C Program files DLP Composer usbupdate cmd Note The DLP Com poser program must be closed first 3 Type any key...

Page 44: ...omputer on the desktop 2 Select Properties on the popup menu to launch the System Properties window 3 Choose Hardware and then click Device Manager 6 Ensure DDP3020 Win Driver are properly installed C...

Page 45: ...ector 3 Execute the DLP Compose TM Lite 6 0 4 Click Edit and Prefer ences 5 1 Click Library 2 The library path located in the default installation directory is C Program Files DLP Composer Lite 6 0 If...

Page 46: ...Bus to erase the flash memory Note If the error mes sage cannot open USB driver No projectors found appears please ueplug the USB Cable and replug 8 1 If the firmware is ready click Start Download to...

Page 47: ...power light on 2 Unplug USB Cable and Power Cord Re plug in Power Cable 11 Check Firmware Restart the unit and enter the Service Mode to check the Firmware Version For entering Service Mode please ref...

Page 48: ...h a Display Data Channel DDC which sites between the display device and the PC graphics adapter The system uses this information for configuration purposes so the EP780 and system can work together No...

Page 49: ...6 EP780 Confidential Item Photo Item Photo EP780 Projector RS 232 Cable F to M PC VGA Cable EDID Fixture DVI Cable Power Adapter Power Cord All manuals and user guides at all guides com...

Page 50: ...nect P1 of Fixture with Com Port of PC Laptop by RS232 Cable 2 Connect P2 of Fixture with VGA 1 port of EP780 by VGA Cable 3 Plug Power Adapter to Fixture and Power Cord 4 Plug Power Cord to EP780 uni...

Page 51: ...ose the source file EP780X_EDID_ Y ini and then open it Note X A means Ameri can version E means Europe version Y version 3 Process 1 Key in the Serial Number into the Barcode blank space 2 In Write S...

Page 52: ...a log program is finish the Ok message will appear on the screen 6 Check 1 Make sure to check Analog in Read item 2 Press Read button 3 Analog Inform ations will show the result 4 If EDID s informa ti...

Page 53: ...6 Setup Procedure DVI port No Step Procedure Photo 1 Connect all ports 1 Unplug VGA cable from fixture and EP780 2 Connect P1 of Fixture with Com Port of PC Laptop by RS232 Cable 3 Connect P3 of Fixt...

Page 54: ...l item 3 Choose the source file EP780X_EDID_ Y ini and then open it Note X A means Ameri can version E means Europe version Y version 3 Process 1 Key in the Serial Number into the Barcode blank space...

Page 55: ...gital program is finish the Ok message will appear on the screen 6 Check 1 Make sure to check Digital in Read item 2 Press Read button 3 Digital Inform ations will show the result 4 If EDID s informa...

Page 56: ...Confidential EP780 7 Chapter 7 7 1 Appendix A Exploded Overview ASSY BOTTOM HOUSING MODULE EP780 All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 57: ...DULE PD726 9 70 85Y02G001 ASSY BOTTOM COVER MODULE EP771 10 70 85Y03G001 ASSY LVPS MODULE EP771 11 70 85Y04G001 ASSY LAMP DRIVER MODULE 12 70 85Y05G001 ASSY AXIAL FAN 92x25 MODULE EP771 13 70 85Y07G00...

Page 58: ...E F12 EP771 5 52 89610G001 STEAMTIGHT NEAR WIND TUNNEL F12 6 52 89620G001 TOP COVER SMALL SPONGE FOR NOISE EP771 7 61 85Y02G001 LVPS HOLDER SECC EP771 8 61 85Y03G001 LVPS TOUCH SINK AL EP771 9 61 8962...

Page 59: ...TO LVPS EP759 PD726 5 49 82G01G001 MISC BLOWER 45 20 DELTA 6 51 85Y03G001 LVPS INSULATOR FORMAX 0 4t EP771 7 61 85Y01G001 EMI GROUND PLATE SECC 0 6t EP771 8 75 85Y02G001 BUY ASSY LVPS EMI BLOWER HOLDE...

Page 60: ...80 Item Part NO Description 1 42 89608G001 W A 5P 28 200mm LAMP DRIVER 2 51 89639G001 LAMP DRIVER EMI MYLAR EP771 3 75 80L01G004 ASSY OSRAM LAMP DRIVER 300W 4 76 89601G001 ASSY LAMP DRIVER OSRAM TO LA...

Page 61: ...001 FAN 92 25 STEAMTIGHT RUBBER EP771 3 52 L1308G002 FAN 9225 RUBBER BOTTOM H76 PD726 4 52 L1309G001 FAN 9225 RUBBER TOP H76 PD726 5 61 86633G001 PANAFLO 92 25 AL FOIL H76 PD726 6 61 89607G001 FAN 922...

Page 62: ...Confidential EP780 7 ASSY BACK COVER MODULE EP780 All manuals and user guides at all guides com...

Page 63: ...1 81R06G001 EMI GASKET CONDUCTIVE SPONGE 5 51 89641G001 SPEAKER LIGHTCUT FORMAX EP771 6 52 89608G001 SPEAKER SPONGE 7 52 89617G001 IO COVER SPONGE EP771 8 61 89629G001 MESH FOR BACK COVER EP771 9 61 8...

Page 64: ...EMI 8 55 2 41 89601G001 EMI GASKET FRONT TO ENGINE EP771 3 61 89646G001 EMI BRASS SHEET FOR ENGINE EP771 4 70 85Y15G001 ASSY OPTICAL ENGINE MODULE EP771 5 70 85Y16G001 ASSY ENGINE BASE MODULE EP771 6...

Page 65: ...Confidential EP780 7 10 ASSY TOP COVER MODULE EP780 All manuals and user guides at all guides com...

Page 66: ...89601G062 TOP COVER EP780 6 51 89605G061 KEYPAD EP771 7 51 89606G001 LED LENS EP771 8 51 89619G001 IR LENS TOP EP771 9 51 89635G001 TOP COVER ANTI LIGHT MYLAR EP771 10 52 89620G001 TOP COVER SMALL SP...

Page 67: ...FRONT COVER ANTI LIGHT MYLAR EP771 3 52 81Y04G001 FRONT IR LIGHTCUT CVSBXXB EP771 4 52 85Y07G002 FRONT COVER INSULATOR RUBBER HT800 AL FOIL FOR EP780 5 70 85Y11G001 ASSY IR SENSOR MODULE EP771 6 75 8...

Page 68: ...13 ASSY IR SENSOR MODULE EP780 Item Part NO Description 1 51 89617G001 IR LENS FRONT RING EP771 2 51 89618G001 IR SENSOR HOLDER EP771 3 80 85Y05G001 PCBA FRONT IR BD FOR EP780 All manuals and user gui...

Page 69: ...t NO Description 1 51 89611G001 ELEVATOR BODY NORYL EP771 2 51 89613G061 ELEVATOR FOOT EP771 3 52 89604G001 FRONT FOOT RUBBER EP771 4 61 87220G001 ELEVATOR SPRING 0 D 4 5 W D 0 3 L 65mm 5 85 1A123G080...

Page 70: ...t NO Description 1 51 89611G001 ELEVATOR BODY NORYL EP771 2 51 89613G061 ELEVATOR FOOT EP771 3 52 89604G001 FRONT FOOT RUBBER EP771 4 61 87220G001 ELEVATOR SPRING 0 D 4 5 W D 0 3 L 65mm 5 85 1A123G080...

Page 71: ...cription 1 51 00165G001 SPACER SUPPORT MCA 06 GREEN PINGOOD 2 75 83C11G002 NETWORK MODULE 3 80 85Y01G001 PCBA MAIN BOARD EP780 4 80 85Y03G001 PCBA IO BOARD EP780 5 85 1A123G060 SCREW PAN MECH M3 6 NI...

Page 72: ...Confidential EP780 7 17 ASSY OPTICAL ENGINE MODULE EP780 All manuals and user guides at all guides com...

Page 73: ...BBER 11 52 89627G001 DMD SEAL RUBBER F12 3 2t EP759 12 52 89633G001 THERMAL PAD 17 13 0 3mm 13 61 83N22G011 DMD HEATSINK AL 1070 EP771 14 61 85926G001 COLOR WHEEL SHOULDER SCREW SB21 15 61 89605G001 D...

Page 74: ...Confidential EP780 7 19 ASSY ENGINE BASE MODULE EP780 All manuals and user guides at all guides com...

Page 75: ...G STEAMTIGHT TOP F12 9 52 85808G001 PORON LENS BLACK XB31 10 52 89626G001 LAMP HOUSING STEAMTIGHT SIDE F12 11 61 89602G011 LAMP HOUSING AZ91D EP759 PD726 12 61 89611G001 MIRROR SPRING PLATE 13 61 8961...

Page 76: ...74 SLEEVE BEARING CW YO 2 52 89606G001 COLOR WHEEL RUBBER EP759 PD726 3 61 89511G001 COLOR WHEEL SCREW 4100MP GREEN 4 61 89608G001 COLOR WHEEL BRACKET SECC 1 2t EP759 PD726 5 80 82G06G001 PCBA PHOTO S...

Page 77: ...Confidential EP780 7 22 D C EP780 All manuals and user guides at all guides com...

Page 78: ...INE MODULE EP780 11 70 85Y09G001 ASSY TOP COVER MODULE EP771 12 70 85Y10G001 ASSY FRONT COVER MODULE EP771 13 70 85Y12G001 ASSY ELEVATOR FOOT RIGHT MODULE EP771 14 70 85Y13G001 ASSY ELEVATOR FOOT LEFT...

Page 79: ...0001 3 6 1 2 5 4 A BBB A Y WW AAAAA EEEE Serial Number System Definition Serial Number Format for Projector Appendix Series 7 2 Appendix B 6 1 2 5 4 3 EX O85YA639AAAAA1001 This label O85YA639AAAAA100...

Page 80: ...anual Reader s basic data After your finishing this form please send it back to Coretronic Customer Service Dept by fax 886 3 563 5333 A What do you think about the content after reading EP780 Service...

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