Optoma EP780 Service Manual
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Optoma EP780 Service Manual

Projection system
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SERVICE MANUAL

Date
Version
2006/9/29
V1.0
2006/12/6
V2.0
Model Name : EP780
Prepared by SI :
________________________________________
Prepared by TSE :
________________________________________
Checked by :
________________________________________
Approved by :
________________________________________
Initial Issue
modify "Chapter 5 Fireware Upgrade"
Copyright Sep, 2006. All Rights Reserved
P/N#36.85Y03G001
Description

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Summary of Contents for Optoma EP780

  • Page 1: Service Manual

    SERVICE MANUAL Model Name : EP780 Prepared by SI : ________________________________________ Prepared by TSE : ________________________________________ Checked by : ________________________________________ Approved by : ________________________________________ Date Version Description 2006/9/29 V1.0 Initial Issue 2006/12/6 V2.0 modify “Chapter 5 Fireware Upgrade” Copyright Sep, 2006. All Rights Reserved...
  • Page 2 Preface This manual is applied to EP780 professional video scaler and color management 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

    Interrupt Switch Module, Bottom Cover, and Rear Cover Chapter 3 Troubleshooting LED Lighting Message Main Procedure Chapter 4 Function Test and Alignment Procedure Test Equipment Needed Service Mode Test Condition Inspection Procedure Chapter 5 Firmware Upgrade Procedure Equipment Needed Installation Procedure Firmware Upgrade Procedure EP780 Confidential...
  • Page 4 Setup Procedure (VGA-1 port) EDID Key-in Procedure (VGA-1 Interface) Setup Procedure (VGA-2 port) EDID Key-in Procedure (VGA-2 Interface) Setup Procedure (DVI port) EDID Key-in Procedure (DVI Interface) Chapter 7 Appendix A Exploded Overview Appendix B Serial Number System Definition Reader’s Response EP780 Confidential...

  • Page 5: Chapter 1 Introduction

    - Lamp power supply shut off actomatically when door open Power supply - Inpu 100-240V, 50/60H Power Consumption - Normal operation: 385W+/-10%@110V AC - Standby mode: < 12W Input signal spec. PC Signal - Hsync Frequency 31 ~ 91.1kHz - Vsync Frequency 43 ~ 85 Hz Confidential EP780...
  • Page 6 - can’t support the 5:4 & 2.35:1 ratio) LED indicator Power LED - Red : Standby (Projector off) - Green : Normal (Projector on) - Flash Green : Warm up (Go to Normal mode) - Flash Red : Cooling down (Go to Standby mode) Confidential EP780...
  • Page 7 - With 18 languages : English, German, French, Italian, Spanish,Portuguese,Polish, Dutch, Russian, Finnish, Swedish, Norweigian/Dannish, Traditional Chinese, Simplified Chinese, Japanese, Korea, Greek Quick shut down - 2 minutes Input connectors - DVI-D - D-Sub 15 VGAx2 - S-Video - Composite Confidential EP780...

  • Page 8: Computer Compatibility

    640x480 43.3 720x400 31.5 720x400 37.9 SVGA 800*600 35.2 800x600 37.9 800x600 48.1 800x600 46.9 800x600 53.7 1024x768 48.4 1024x768 56.5 1024x768 60.0 1024x768 68.7 SXGA 1152x864 63.8 1152x864 67.5 1152x864 77.1 1280x1024 63.98 1280x1024 79.98 1280x1024 91.1 Confidential EP780...
  • Page 9 Mac DV 1024x768 i Mac DV 1152x870 68.49 i Mac DV 1280x960 Digital Compatibility Resolution V-Sync [Hz] H-Sync [KHz] 640x350 31.5 640x350 37.9 640x400 37.9 640x480 31.5 640x480 37.9 640x480 37.5 640x480 43.3 720x400 31.5 720x400 37.9 800x600 48.1 Confidential EP780...
  • Page 10 H-Sync [KHz] SVGA 800x600 35.2 800x600 37.9 800x600 48.1 800x600 46.9 800x600 53.7 1024x768 48.4 1024x768 56.5 1024x768 60.0 1024x768 68.7 SXGA 1152x864 63.8 1152x864 67.5 1152x864 77.1 1280x1024 63.98 1280x1024 79.98 1280x1024 91.1 SXGA+ 1400x1050 63.98 UXGA 1600x1200 Confidential EP780...

  • Page 11: Chapter 2 Disassembly Procedure

    Chapter 2 Disassembly Procedure 2-1 Equipment Needed Item Photo Item Photo Screw Bit (+) Hex Sleeves :07 Screw Bit (+) Screw Bit: :0 6.0 x 100 Confidential EP780...

  • Page 12: Disassemble Lamp Module And Elevator Foot

    2-2 Disassemble Lamp Module and Elevator Foot Procedure Photo Unscrew two screws to remove Lamp Cover. Lamp Cover Unscrew three screws to remove Lamp Module. Lamp Module Confidential EP780...
  • Page 13 Procedure Photo (1) Unscrew two screws to detach Elevator Foot from Bottom Housing. (2) Lift it and then unscrew the screw. Elevator Foot Confidential EP780...

  • Page 14: Disassemble Top Cover, Front Cover, Ir Sensor Module, And Keypad Board

    2-3 Disassemble Top Cover, Front Cover, IR Sensor Module, and Keypad Board Procedure Photo Unscrew eight screws and then turn unit to the top side. Loose Front Cover from Top Cover. Confidential EP780...
  • Page 15 Procedure Photo Disconnect three connec- tors to remove Top Cover. Confidential EP780...
  • Page 16 Procedure Photo Unscrew two screws and tear off the tape from Front Cover to remove the IR Sensor Module. IR Sensor Module Unscrew three screws and disconnect the wire to remove the Keypad Board, Keypad Button and FFC. Confidential EP780...

  • Page 17: Disassemble Main Board Module, Thermal Switch, And Lvps Module

    2-4 Disassemble Main Board Module, Thermal Switch, and LVPS Module Procedure Photo Disconnect eleven connectors and unscrew seven screws from Main Board Module. Unscrew eight hex screws from Bottom Cover. Remove Main Board Module. Confidential EP780...
  • Page 18 Procedure Photo Unscrew one screw to remove Thermal Switch. Thermal Switch Confidential EP780...
  • Page 19 Procedure Photo Pull up the LVPS Module and disconnect the connector. (1)Unscrew one screw. (2)Unscrew four screws to remove the Rear Cover. Confidential EP780...
  • Page 20 Procedure Photo (3)Disconnect two connectors. Unscrew the screw to remove EMI Ground Plate and separate the wire. LVPS EMI Ground Plate Confidential EP780 2-0...

  • Page 21: Disassemble Fan Guider Module, Wind Tunnel Module, Lamp Driver Module, And Axial Fan Module

    Module, Lamp Driver Module, and Axial Fan Module Procedure Photo Unscrew three screws to separate Fan Guider Module and Wind Tunnel Module from Bottom Housing. Unscrew two screws from Wind Tunnel Module to remove Fan Guider Module. Fan Guider Module Wind Tunnel Module Confidential EP780 2-...
  • Page 22 Procedure Photo Unscrew five screws to remove Lamp Driver Module. Separate three connectors from Lamp Driver Module. Confidential EP780 2-2...
  • Page 23 Procedure Photo Unscrew two screws to remove Axial Fan Module. Axial Fan Module Unscrew four screws to separate Fan Hoder Bracket and Axial Fan. Axial Fan Module Fan Hoder Bracket Confidential EP780 2-...

  • Page 24: Disassemble Color Wheel Module, Optical Engine Module, And Blower Fan

    2-6 Disassemble Color Wheel Module, Optical Engine Module, and Blower Fan Procedure Photo Unscrew one screw to remove Color Wheel Module. Color Wheel Module Unscrew one screw to separate Color Wheel and Photo Sensor Module. Confidential EP780 2-...
  • Page 25 Procedure Photo Unscrew two screws to remove Blower Fan. Confidential EP780 2-5...
  • Page 26 Procedure Photo Unscrew four screws to remove Engine Module from Bottom Housing. Confidential EP780 2-...
  • Page 27 Procedure Photo Unscrew four screws to remove DMD Heat sink. DMD Heat sink Confidential EP780 2-7...
  • Page 28 Procedure Photo Unscrew four screws to remove Bracket Plate, Insulation Mylar, DMD Board and DMD Chip. DMD Chip DMD Board Insulation Mylar Bracket Plate Confidential EP780 2-8...

  • Page 29: Disassemble Speaker, Blower Fan, Thermal Sensor Board, Interrupt Switch Module, Bottom Cover, And Rear Cover

    2-7 Disassemble Speaker, Blower Fan, Thermal Sensor Board, Interrupt Switch Module, Bottom Cover, and Rear Cover Procedure Photo Unscrew four screws to remove Speaker. Rear Cover Confidential EP780 2-...
  • Page 30 Procedure Photo Unscrew six screws to remove Blower Fan, Elevator Shading Mylar, and Thermal Sensor Board. Blower Fan Thermal Sensor Board Interrupt Switch Module Elevator Shading Mylar Bottom Cover Confidential EP780 2-20...

  • Page 31: Chapter 3 Troubleshooting

    Chapter 3 Troubleshooting 3-1 LED Lighting Message Confidential EP780...

  • Page 32: Main Procedure

    - Check Color Wheel - Check Fan Module Line Bar / Line - Sometimes it’s because of the DMD Chip and the DMD Board did Defect not assemble properly - Check DMD Board - Check DMD Chip - Check Main Board Confidential EP780...

  • Page 33: Rod Adjustment

    - If there are shadows at “Left” & “Right” side of the screen, adjust “Screw 1” to adjust ROD position. - If there are shadows at “TOP” & “Bottom” side of the screen, adjust “Screw 2” to adjust ROD position. - “Screw 1” should be adjusted first, and then “Screw 2”. Confidential EP780...
  • Page 34 - Do “Reset” of the OSD Menu - Check Main Board - Check DMD Board Forgetting Pass- - Press “Enter” and “ “ arrow at the same time to enter Service Mode. word (administra- You can find the Security Code is password. tor Password) Confidential EP780...

  • Page 35: Test Equipment Needed

    1. Please enter the servcie mode, 2. Choose “ Information and Reset “ item. 3. Choose “Factory Reset” then choose “Yes” and press “Enter” to see if it works. EP780 Confidential...

  • Page 36: Test Condition

    The text in the - Test Signal : corner should be 1024x768@60Hz clear after adjust - Test Pattern : Full Screen the focus ring. - Adjust the center clearly; meanwhile, one slightly vague corner in the im age is allowed. Confidential EP780...
  • Page 37 1024x768@60Hz 60%.(Minimum) - Test Pattern : Full White Pattern & Full Black Pattern - Please check and ensure the unit is under the spec. - Please check and see if it’s in normal conid- tion. EP780 Confidential...
  • Page 38 - Video Calibration - Test Signal : 480P@60Hz - Test Pattern : SMPTE bar - ADC Calibration (PC Calibration) - Test Signal:1024x768@60Hz - Test Pattern : White (Top) Black (Bottom) Note: 1. Calibration Pattern should be in Full Screen Mode. Confidential EP780...
  • Page 39 Blue 60 pattern. Net- When network - Plug in the network , check work link correctly, the LED. hard- the LED in net- ware work card will change to green from flash yellow . EP780 Confidential...

  • Page 40: Chapter 5 Firmware Upgrade Procedure

    Chapter 5 Firmware Upgrade Procedure 5-1 Equipment Needed Software : (DDP 3020-USB) - DLP Composer (Version 6.0) - Firmware (EP780*.img) - Library files Hardware : Item Photo Item Photo Projector USB Cable (EP780) PC or Power Cord Laptop Firmware Upgrade Mode: Before doing firmware upgrade, please get into firmware mode first.

  • Page 41: 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. EP780 Confidential...
  • Page 42 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 EP780...

  • Page 43: Usb Driver Upgrade Procedure

    Temp Led is red. Execute Execute the C:\Program Program files\DLP Composer\ usbupdate.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. EP780 Confidential...
  • Page 44 “System Properties” window. 3. Choose “Hardware” and then click “Device Manager”. Ensure Click “Jungo” to ensure Device Manager “DDP3020” “DDP3020” and “Win- & “Win- driver” are properly Driver” are installed. If not, repeart properly Step 1~5. installed Confidential EP780...

  • Page 45: Firmware Upgrade Procedure

    2. The library path located in the default installation directory is C:\Program Files\ DLP Composer Lite 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 EP780 Confidential...
  • Page 46 Step Procedure Photo 1. Choose “Flash Loader” 2. Click “Browse” to search the firmware file. (EP780) 3. Select the item “Skip Boot Loader Area”. 4. Select 64KB. 5. Click “Reset Bus” to erase the flash memory. Note: If the error mes- sage “cannot open USB...
  • Page 47 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 and Alignment Proce- dure.) EP780 Confidential...
  • Page 48 The information is stored in the display and is used to communicate with the system through 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.
  • Page 49 Item Photo Item Photo RS-232 EP780 Cable Projector (F to M) Cable EDID Fixture Cable Power Power Adapter Cord Confidential EP780...

  • Page 50: Setup Procedure (Vga-1 Port)

    1. Connect P1 of all ports 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 VGA-1 Adapter to Fixture VGA-2 and Power Cord.

  • Page 51: Edid Key-In Procedure (Vga-1 Interface)

    Note: X: A means Ameri- can version E means Europe version Y: version Process 1. Key in the Serial Number into the Barcode blank space. 2. In “Write Source Select” item, select “Analog”. 2. Click “Program” button. Confidential EP780...
  • Page 52 1. “Please change the cable to Ana- log” will be shown on the screen. 2. Please press “Ok” button. Finish When EP780 Ana- log program is finish, the “Ok” message will appear on the screen. Check 1. Make sure to check “Analog”...

  • Page 53: Setup Procedure (Vga-2 Port)

    Port of PC/Laptop by RS232 Cable. 3. Connect P3 of Fixture by DVI cable for standby. 4. Plug Power Adapter to Fixture and Power Cord. DVI port 5. Plug Power Cord to EP780 unit. Note: Confirm JP3 is “Close” status. Confidential EP780...

  • Page 54: Edid Key-In Procedure (Dvi Interface)

    Note: X: A means Ameri- can version E means Europe version Y: version Process 1. Key in the Serial Number into the Barcode blank space. 2. In “Write Source Select” item, select “Digital”. 2. Click “Program” button. Confidential EP780...
  • Page 55 1. “Please change the cable to Digi- tal” will be shown on the screen. 2. Please press “Ok” button. Finish When EP780 Digital program is finish, the “Ok” message will appear on the screen. Check 1. Make sure to check “Digital” in Read item.

  • Page 56: Chapter 7

    Chapter 7 7-1 Appendix A Exploded Overview ASSY BOTTOM HOUSING MODULE EP780 Confidential EP780...
  • Page 57 Item Part NO Description 51.85Y02G002 LVPS FAN GUIDE FORMAX EP780 51.89633G002 ELEVATOR SHADING MYLAR EP771 52.85Y11G001 THERMAL PAD 52.89601G001 ADJUST FOOT RUBBER EP771 52.89605G001 REAR FOOT RUBBER EP759/PD726 52.89631G002 LAMP TO BTM INSULATOR RUBBER EP771 70.83N16G001 ASSY INTERRUPT SWITCH MODULE PD726 70.83N17G001...
  • Page 58 ASSY BOTTOM COVER MODULE EP780 Item Part NO Description 41.89602G001 EMI GASKET FOR DMD HEATSINK EP771 51.89602G062 BOTTOM COVER PC+ABS C6200 EP771 52.85Y01G001 BOTTOM COVER SPONGE CVSBXXB EP771 52.85Y02G001 STEAMTIGHT NEAR FAN GUIDE F12 EP771 52.89610G001 STEAMTIGHT NEAR WIND TUNNEL F12 52.89620G001...
  • Page 59 ASSY LVPS MODULE EP780 Item Part NO Description 41.82L07G001 EMI GASKET IO RCA ARES 41.85Y04G001 EMI I/O GASKET 42.89601G001 W.A. 16P 80mm MAIN BD TO LVPS EP759/PD726 42.89611G001 W.A. 3P 250mm LAMP DRIVER TO LVPS EP759/PD726 49.82G01G001 MISC BLOWER 45*20; DELTA 51.85Y03G001...
  • Page 60 ASSY LAMP DRIVER MODULE EP780 Item Part NO Description 42.89608G001 W.A. 5P #28 200mm LAMP DRIVER 51.89639G001 LAMP DRIVER EMI MYLAR EP771 75.80L01G004 ASSY OSRAM LAMP DRIVER 300W 76.89601G001 ASSY LAMP DRIVER(OSRAM) TO LAMP Confidential EP780...
  • Page 61 ASSY AXIAL FAN 92*25 MODULE EP780 Item Part NO Description 49.83C04G001 SUNON 9225 AXIAL FAN/KDE1209PTBX 52.89602G001 FAN 92*25 STEAMTIGHT RUBBER EP771 52.L1308G002 FAN 9225 RUBBER BOTTOM H76/PD726 52.L1309G001 FAN 9225 RUBBER TOP H76/PD726 61.86633G001 PANAFLO 92*25 AL FOIL H76/PD726 61.89607G001 FAN 9225 HOLDER BRACKET AL 0.8t EP759...
  • Page 62 ASSY BACK COVER MODULE EP780 Confidential EP780...
  • Page 63 EMI GASKET CONDUCTIVE SPONGE 51.89641G001 SPEAKER LIGHTCUT FORMAX EP771 52.89608G001 SPEAKER SPONGE 52.89617G001 IO COVER SPONGE EP771 61.89629G001 MESH FOR BACK COVER EP771 61.89634G001 HEX SPACER M3 H=23 L=6 75.85Y01G001 BUY ASSY BACK COVER EP771 85.1A123G060 SCREW PAN MECH M3*6 NI EP780 Confidential...
  • Page 64 ASSY ENGINE MODULE EP780 Item Part NO Description 41.85A15G001 EMI 8*55 41.89601G001 EMI GASKET FRONT TO ENGINE EP771 61.89646G001 EMI BRASS-SHEET FOR ENGINE EP771 70.85Y15G001 ASSY OPTICAL ENGINE MODULE EP771 70.85Y16G001 ASSY ENGINE BASE MODULE EP771 85.1A126G080 SCREW PAN MECH M2.6*8 NI...
  • Page 65 ASSY TOP COVER MODULE EP780 EP780 Confidential 7-0...
  • Page 66 LED LENS EP771 51.89619G001 IR LENS TOP EP771 51.89635G001 TOP COVER ANTI LIGHT MYLAR EP771 52.89620G001 TOP COVER SMALL SPONGE EP771 80.85Y06G001 PCBA TOP IR BD FOR EP780 80.89606G001 PCBA KEYPAD BOARD EP759 85.1D122G030 SCREW PAN MECH M2*3 NI(W/WSHER) Confidential EP780 7-...
  • Page 67 ASSY FRONT COVER MODULE EP780 Item Part NO Description 51.81541G001 TAPE 3M J350 17*30mm 51.89636G002 FRONT COVER ANTI LIGHT MYLAR EP771 52.81Y04G001 FRONT IR LIGHTCUT CVSBXXB EP771 52.85Y07G002 FRONT COVER INSULATOR RUBBER HT800 AL FOIL FOR EP780 70.85Y11G001 ASSY IR SENSOR MODULE EP771 75.89603G061...
  • Page 68 ASSY IR SENSOR MODULE EP780 Item Part NO Description 51.89617G001 IR LENS FRONT RING EP771 51.89618G001 IR SENSOR HOLDER EP771 80.85Y05G001 PCBA FRONT IR BD FOR EP780 Confidential EP780 7-3...
  • Page 69 ASSY ELEVATOR FOOT RIGHT MODULE EP780 Item Part NO Description 51.89611G001 ELEVATOR BODY NORYL EP771 51.89613G061 ELEVATOR FOOT EP771 52.89604G001 FRONT FOOT RUBBER EP771 61.87220G001 ELEVATOR SPRING 0.D:φ4.5 W.D:φ0.3 L:65mm 85.1A123G080 SCREW PAN MECH M3*8 NI EP780 Confidential 7-4...
  • Page 70 ASSY ELEVATOR FOOT LEFT MODULE EP780 Item Part NO Description 51.89611G001 ELEVATOR BODY NORYL EP771 51.89613G061 ELEVATOR FOOT EP771 52.89604G001 FRONT FOOT RUBBER EP771 61.87220G001 ELEVATOR SPRING 0.D:φ4.5 W.D:φ0.3 L:65mm 85.1A123G080 SCREW PAN MECH M3*8 NI Confidential EP780 7-5...
  • Page 71 ASSY MAIN BOARD MODULE EP780 Item Part NO Description 51.00165G001 SPACER SUPPORT MCA-06 "GREEN" ; PINGOOD 75.83C11G002 NETWORK MODULE 80.85Y01G001 PCBA MAIN BOARD EP780 80.85Y03G001 PCBA IO BOARD EP780 85.1A123G060 SCREW PAN MECH M3*6 NI EP780 Confidential 7-6...
  • Page 72 ASSY OPTICAL ENGINE MODULE EP780 Confidential EP780 7-7...
  • Page 73 Item Part NO Description 00.85Y02G001 BARE PCB L:8 1.6mm DMD BOARD EP780 11.009F0G007 CNNT F 203P FOR 720P LGA DMD SOCKET 23.80J01G001 DLP 0.7"XGA ZOOM PROJECTION LENS 48.83N01G001 DMD 0.7 XGA 12° LVDS TYPE A 51.80W46G001 TAPE 3M J350 4*4mm 51.83N35G001...
  • Page 74 ASSY ENGINE BASE MODULE EP780 Confidential EP780 7-9...
  • Page 75 ROD SPRING SUS301 0.25t EP759 70.83N20G001 ASSY ROD MODULE PD726 70.85Y17G001 ASSY COLOR WHEEL 5 SEGMENT MODULE EP771 85.1A126G040 SCREW PAN MECH M2.6*4 NI 85.1A126G080 SCREW PAN MECH M2.6*8 NI 85.1A522G080 SCREW PAN MECH NYLOK M2*8 NI EP780 Confidential 7-0...
  • Page 76 ASSY COLOR WHEEL MODULE EP780 Item Part NO Description 23.85Y19G001 COLOR WHEEL Φ48mm R90/Y30/G80/W86/B74 SLEEVE BEARING CW; YO 52.89606G001 COLOR WHEEL RUBBER EP759/PD726 61.89511G001 COLOR WHEEL SCREW 4100MP " GREEN" 61.89608G001 COLOR WHEEL BRACKET SECC 1.2t EP759/PD726 80.82G06G001 PCBA PHOTO SENSOR BOARD EP719 85.1A126G040...
  • Page 77 D.C. EP780 EP780 Confidential 7-...
  • Page 78 Item Part NO Description 43.87301G001 90c, TI THERMAL SWITCH 51.00001G001 CABLE TIE PG-YJ-80 51.89607G062 LAMP COVER PC MN3600 EP780 52.89611G001 DUCT RUBBER EP759/PD726 61.00018G002 LOCK SCREW PAN MECH M3*8.5-3.5 61.89641G001 LAMP COVER AL FOIL 0.1t EP759/PD726 70.83N07G001 ASSY LAMP CHANGER MODULE PD726 70.83N15G001...

  • Page 79: Appendix B

    Model Code (ex: AAAAA = EP780) Serial code (from 0001~) EX : O85YA639AAAAA1001 This label “O85YA639AAAAA1001” represents the whole serial number for EP780 It’s produced on 39s-week of 2006 for universal area and its serial code is 1001. EP780 Confidential...

  • Page 80: 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: A. What do you think about the content after reading EP780 Service Manual? Unit Excellent Good Fair 1.

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