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Optoma Optoma EP747 Service Manual Download Page 24

2-14

EP747

No

Procedure

Photo

1

Unscrew 3 screws and use 

a tweezers to loose 3 ten-

ons to separate Replace 

Ring from Focus Ring.

  

2

Unscrew 2 screws to re-

move DMD Fan and Speak-

er modulen from Buttom 

Module.

Replace Ring & 

Focus Ring

DMD Fan & Speaker

2-5 Disassemble Focus Ring, DMD Fan, Speaker, Blower Fan 

and Elevator Module

Summary of Contents for Optoma EP747

Page 1: ...___________________________________ Checked by ________________________________________ Approved by ________________________________________ Model Name EP747 SERVICE MANUAL Date Revise Version Description 2005 12 13 V1 0 Initial Issue Copyright December 2005 All Rights Reserved ...

Page 2: ...tifyproblemsthatoccur with our products We expect your customers will appreciate the service that you offer them This manual is for technicians and people who have an electronic background Send the product back to the distributorfor repairingand do not attempt to do anything that is complex or is not mentioned in the troubleshooting NOTICE Theinformationfoundinthis manualissubject tochangewithoutp...

Page 3: ... and Axial Fan Module 2 6 Disassemble Engine Module DMD Chip DMD Board Color Wheel and Photo Sensor Board 2 11 Disassemble Focus Ring DMD Fan Speaker Blower Fan and Elevator Module 2 14 Chapter 3 Troubleshooting 3 1 Equipment Needed 3 1 Main Procedure 3 1 Chapter 4 Function Test and Alignment Procedure 4 1 Test Equipment Needed 4 1 Service Mode 4 1 Test Condition 4 2 Inspection Procedure 4 2 Chapt...

Page 4: ...6 1 Equipment Needed 6 1 Setup Procedure 6 2 DDC Key in Procedure 6 2 Appendix A 7 1 Exploded Overview 7 1 Appendix B 7 17 PCBA Code Definition 7 17 Appendix C 7 18 Serial Number System Definition 7 18 Reader s Response 7 19 EP747 ii ...

Page 5: ...atio 2000 1 7 Weight 7 1 lbs 8 Lens Manual focus projection 1 1 2 zoom lens 9 Electrical Spec Auto image signal detect using most recently used signal as priority NTSC PAL SECAM video capability with composite and S Video HDTV video 480i p 576i p 720p 1080i with 480i 576i 1080i deinterlacing Photocatalysis O2air Technology VGA with Audio 1 could by fixed 1 audio outRS232 mini connector not D Sub9 D...

Page 6: ...Minimum 2550 lumens Typical 1 3 Optical Specification No Item Description 1 Weight Approximate 7 lbs 2 Projector control key pad Power standby Directional keys enter source menu 3 Power indi cator lights Lamp Red blinking red for fan locked Temp Red Power Green blinking green warming up orange cooling up 4 Cooling Sys tem Advanced air flow Fans with low system acoustic noise level Temperature contro...

Page 7: ...ustable from 30 75 to 300 Diagonal 10 Projection distance 1 5 12 2meter 11 Keystone 16 Vertical only DDP2000 No Item Description 1 Temperature Operating 5 35 C Storage 20 60 C 2 Maximum Humidity Operating 5 35 C 80 non condensing Storage 20 60 C 80 non condensing 3 Acoustic noise level 37dB A Typical 23 2ºC with wind tunnel design 37 dB A 230W Normal mode 32 dB A 180 W ECO mode Follow ISO 7779 reg...

Page 8: ...1 4 EP747 No Item Description 5 Altitude Operating 0 2 500 ft 5 C 35 C 2 500 5 000 ft 5 C 30 C 5 000 10 000 ft 5 C 25 C Storage 40 000 ft Max 6 MTBF 12000 HRs ...

Page 9: ... 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 1024x768 85 68 7 SXGA 1280x1024 60 63 98 1280x1024 75 79 98 SXGA 1400x1050 60 63 98 MAC LC 13 640x480 66 66 34 98 MAC II 13 640x480 66 68 35 MAC 16 832x624 74 55 49 725 MAC 19 1024x768 75 60 24 MAC 1152x870 75 06 68 68 MAC G4 640x480 60 31 35 I Mac DV 1024x768 75 60 I Mac...

Page 10: ...7 9 640x480 60 31 5 640x480 72 37 9 640x480 75 37 5 640x480 85 43 3 720x400 70 31 5 720x400 85 37 9 SVGA 800x600 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 1024x768 85 68 7 SXGA 1280x1024 60 63 98 SXGA 1400x1050 60 63 98 ...

Page 11: ...2 1 EP747 2 1 Equipment Needed Chapter 2 Disassembly Process Item Photo Item Photo Screw Bit 107 Hex Sleeves 5mm Hex Sleeves 8mm Tweezers ...

Page 12: ...2 2 EP747 2 2 Disassemble Lamp Top Cover Keypad Board and IR Receiver No Procedure Photo 1 Unscrew 1 screw to remove Lamp Cover 2 Unscrew 2 screws to re move Lamp Module Lamp ...

Page 13: ...2 3 EP747 No Procedure Photo 3 Unscrew 5 screws and unplug FPC Wire to remove Top Cover Top Cover FPC Wire ...

Page 14: ...2 4 EP747 No Procedure Photo 4 Unscrew 4 screws to re move Top Shielding Module 5 Unscrew 1 screw to remove Keypad Board Top Shielding Module Keypad Board ...

Page 15: ...2 5 EP747 45 angle No Procedure Photo 6 Remove Keypad Button directly Notice please turn Keypad But ton at 45 angle 7 Remove IR receiver Mylar and lens from Top Cover directly Keypad Button IR Receiver ...

Page 16: ...Photo 1 Unscrew 8 hex screws to remove I O Cover and I O Shielding Moudle 2 Remove Light Cut Mylar I O Cover I O Shileding Module I O Shileding Module 2 3 Disassemble I O Cover Main Board Lamp Driver LVPS and Axial Fan Module ...

Page 17: ...2 7 EP747 No Procedure Photo 3 Unscrew 3 screws to re move Air Duct Module 4 Remove Isolator Mylar directly Air Duct Module Isolator Mylar ...

Page 18: ...2 8 EP747 No Procedure Photo 5 Unscrew 5 screws and unplug 9 connectors to re move Main Board 6 Remove Main Board Mylar from Main Board Main Board Main Board Mylar ...

Page 19: ... 7 Unscrew 5 screws and unplug 3 connectors to remove Lamp Driver Lamp Driver Holder and Lamp Driver Mylar 8 Unscrew 5 screws to re move LVPS Shielding Module Lamp Driver Lamp Driver Holder Lamp Driver Maylar LVPS Shielding Module ...

Page 20: ...2 10 EP747 No Procedure Photo 9 Unplug 3 connectors to remove LVPS 10 Take off Maylar directly 11 Unscrew 2 screws to re move Axial Fan Module Mylar Axial Fan module ...

Page 21: ... Procedure Photo 1 Unscrew 2 screws to re move Wire 2P 22 220C 2 Unscrew 1 screw to remove Blower Duct Wire 2P 22 220C Blower Duct 2 4 Disassemble Engine Module DMD Chip DMD Board Color Wheel and Photo Sensor Board ...

Page 22: ... 6 screws to re move Engine Module and Upper Lens Supporter 4 Unscrew 4 screws to re move Heatsink and 2 Springs 5 Unscrew 4 hex screws to remove DMD Board and DMD Chip Upper Lens Supporter Engine Module Heatsink 2 Springs DMD Board DMD Chip ...

Page 23: ...2 13 EP747 No Procedure Photo 6 Unscrew 2 screws to re move Color Wheel and Photo Sensor Board Color Wheel Photo Sensor Board ...

Page 24: ...tweezers to loose 3 ten ons to separate Replace Ring from Focus Ring 2 Unscrew 2 screws to re move DMD Fan and Speak er modulen from Buttom Module Replace Ring Focus Ring DMD Fan Speaker 2 5 Disassemble Focus Ring DMD Fan Speaker Blower Fan and Elevator Module ...

Page 25: ...2 15 EP747 No Procedure Photo 3 Unscrew 4 screws to break down DMD Fan and Speak er ...

Page 26: ...cedure Photo 4 Unscrew 3 screws to re move Power Shielding Module 5 Unscrew 3 screws to re move Blower Fan 6 Unscrew 2 screws to re move Interrupt Switch Module Power Shielding Module Blower Fan Interrupt Switch Module ...

Page 27: ...2 17 EP747 No Procedure Photo 7 Unscrew 3 screws to re move Bottom Base and Down Less Supporter 8 Take off Elevator Foot di rectly Bottom Base Down Less Supporter Elevator Foot ...

Page 28: ... Procedure Photo 9 Unscrew 2 screws to re move Front Shielding Mod ule 10 Turn Bottom Cover to the obverse side and use a tweezers to loose the tenon to remove Elevator Module Front Shielding Module Elevator Module ...

Page 29: ... Check Main Board 2 Auto Shut Down Check LED Status 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 3 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 c...

Page 30: ...dule Check Color Wheel Check DMD Board Check Main Board 8 Color Abnormal Do Reset of the OSD Menu Adjust Color Wheel Index Check Main Board Check DMD Board Check Color Wheel 9 Poor Uniformity Shadow Ensure the Projection Screen without dirt 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 10 Dead Pixel...

Page 31: ...e Controll or Control Panel Failed Remote Control a Check Battery b Check Remote Control c IR Receiver Control Panel a Check FPC b Check Keypad c Check Main Board 13 Function Abnormal Do Reset of the OSD Menu Check Main Board Check DMD Board ...

Page 32: ...n YPbPr Calibration Reset Lamp Use Time Factory Reset EDID M B v v v v v v FW v v Color Wheel v Lamp Module v 4 2 Service Mode No Item Step 1 Service Mode 1 Turn on the projector and input the signal 2 Press and hold Select and Menu simultaneously 3 Service Mode Menu will be shown after pressing Menu and Select for 3 seconds 4 After confirming the configuration press Menu and exit 2 Factory Reset Af...

Page 33: ...right or left arrow key to adjust the vgalue to minimize video flicker 2 Boundary Horz And Vert position of video should be adjustable to be the screen frame Test Signal 1024x768 60Hz Test Pattern General Adjust Resync or Frequency Tracking H Position V Position to the inner of the screen 4 4 Inspection Procedure 4 3 Test Condition Circumstance Brightness Dark room less than 0 5 lux Inspection Dist...

Page 34: ...or CHROMA2327 Please refer to page 4 7 to enter Service Mode Use 720P 1080i signal Master pattern to do HDTV test Color can not discolor to purple and blue If the line disclors it s normal If the test result was in discoloration or flicker ing please return the unit back to the repair center 5 Color Performance Test Signal 1024x768 60Hz Test Pattern PANA ICON Pattern 64 GRAYS RGBW Please check and ...

Page 35: ...he spec Please check and see if it s in normal conidtion If not please return the unit to repair area 7 Light Leak The unit can t accept the leak age is brighter than Gray 10 pattern Test Signal 1024x768 60Hz Test Pattern 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...

Page 36: ...on Test Signal 1024x768 60Hz Test Pattern White up Black down Note 1 Calibration Pattern should be in Full Screen Mode 2 Please refer to 4 2 Guide to Entering Service Mode and Facotry Reset for entering Service Mode 3 Choose and access YPbPr Calibration PC Calibration for correction in Service Mode Choose Menu to leave the Service Mode after all 9 R G B and White Color Perfor mance Each R G B colo...

Page 37: ...l Dark pixel The numbers of dead pixel should be smaller or amount to 6 pixel Test Pattern Full White 11 Blemish Bright The bright blemish cannot be accept ed if the problem appear with Gary 30 pattern Test Pattern Gray 30 12 Blemish Dark The dark blemish cannot be accept ed if the problem appear with Blue 60 pattern Test Pattern Blue 60 ...

Page 38: ...EP747 5 1 Firmware Upgrade Item Photo Item Photo Projector EP747 USB Cable Power Cord PC or Lap top Equipment Needed Software DDP 2000 USB DLP Composer Firmware EP747 Hardware ...

Page 39: ...Setup program 2 Next Click Next button 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 Installation Procedure DLP Composer Lite Setup Procedure ...

Page 40: ...EP747 5 3 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 ...

Page 41: ...ED lights up plug in USB Cable into the Projector PC Note The system fan will not function The light will not function as well 2 Execute Program Execute the C Program files DLP Composer us bupdata cmd Note The DLP Com poser program must be closed first 3 Type any key to continue Press any key to contin ue Then wait for about 1 minute USB Driver Upgrade Procedure ...

Page 42: ... 1 Right click My computer 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 DDP2000 Win Driver are properly installed Click Jungo to ensure DDP2000 and Win driver are properly installed If not repeart Step 1 5 Device Manager ...

Page 43: ...e The system fan will not function The light will not function as well 2 Execute the DLP Com poseTM file 3 Click Edit and Prefer ences 4 1 Click Library 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 5 1 Select Edit Prefer ences Communi cations and choose USB 2 Click OK Firmware Upgrade Procedure 1 2 1 2 ...

Page 44: ...t the first 16KB 4 Click Reset Bus to erase the flash memory Note If the error mes sage cannot open USB driver No projectors found appears please replug the USB Cable and check driver again and then re do the above procedures 7 1 If the firmware is ready click Start Download to process the firmware upgrade 2 Click Yes to erase the flash memory Note 1 2 1 3 2 4 ...

Page 45: ...pgrade Process is finished the LED power light on 2 Unplug USB Cable and Power Cord Re plug in Power Cable 10 Check Firmware Restart the unit and enter the Service Mode to check the Firmware Version For entering Service Mode please refer to Chapter 4 Function Test and Alignment Proce dure ...

Page 46: ...ing vendor information maximum image size color characteristics factory pre set timings frequency range limits and character strings for the monitor name and serial number 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 config...

Page 47: ... you use Ex If you use COM 1 choose COM 1 in the Port selection 2 Click on Model 3 Choose the EDID that responses to the model that you choose No Step Procedure Photo 1 Connect All Ports 1 Power Adapter to Fixture JP1 2 Fixture P1 to PC COM1 Port 3 Fixture P2 to Projector Analog Port 4 Fixture P3 to Projector Digital Port 2 Power On Fixture Power on Fixture Setup Procedure EDID Key In Procedure 1 ...

Page 48: ...nge Cable to Analog Please change the Cable to Analog mes sage is shown on the screen then click OK Note RUN mes sage will appear on the screen 5 Change Cable to Digital Please change the Cable to Digital mes sage is shown on the screen then click OK Note RUN mes sage will appear on the screen 6 Finished When the EDID program is completed the mes sage OK will appear on the screen 2 1 3 ...

Page 49: ...choose Analog in the Read Item 2 Click on Read to read EDID information 3 The EDID Informations will show the result Note After press ing Read if the code in the Serial Blank is scrambled please make a check in Trans 4 Click Reset to do the next unit or Exit to close the EDID program PS Both Analog and Digi tal are needed to be checked 1 2 3 4 Note ...

Page 50: ...EP747 7 1 Appendix A Exploded Overview I EP747 UNIT ...

Page 51: ...F20G001 ASSY AXIAL FAN MODULE HD72 8 70 83R01G001 ASSY TOP COVER MODULE EP747 9 70 83R02G001 ASSY BOTTOM COVER MODULE EP747 10 70 83R05G001 ASSY PCB MAIN BD MODULE EP747 11 70 83R06G001 ASSY POWER MODULE EP747 12 70 83R10G001 ASSY ENGINE BOTTOM BASE MODULE EP747 13 70 83R20G001 ASSY SIDE SHIELDING MODULE EP747 14 75 83F01G001 BUY ASSY AIRDUCT MODULE HD72 15 85 005AG 408 SCREW HEX I O 4 40 H4xL8 Ni...

Page 52: ...EP747 7 3 II SUB ENGINE MODULE ...

Page 53: ...001 ROD COVER SUS301 0 5t PD527 9 70 83R13G001 ASSY OPTICAL LENS MODULE EP747 10 70 83R14G001 ASSY COLOR WHEEL MODULE EP747 11 70 83R15G001 ASSY ROD MODULE EP747 12 70 83R16G001 PRE ASSY ENGINE BASE MODULE EP747 13 70 83R17G001 PRE ASSY ENGINE BASE MODULE EP747 14 75 80W15 002 BUY ASSY ZOOM RING STOP EMI MODULE 2300MP 15 85 1A326 060 SCREW PAN HEAD MECH M2 6x6 BLACK 16 85 1A526 060 SCREW PAN MECH ...

Page 54: ...2300MP GREEN 7 51 80W44G001 8 10 0 5t MYLAR FOR 2300MP 8 52 80J01G001 DMD ANTIDUST RUBBER 739 SILICONE RUBBER 9 52 87130G001 RUBBER BLOWER 595925 10 52 87319G001 DMD THERMAL PAD 18 13 0 5t 11 61 80J10G001 DMD LIGHT MASK 739 SUS301 12 61 80J48G002 DMD HEATSINK BACKER PLATE A6061 739 13 61 88605G001 DMD HEATSINK A1070 Ivy10X 14 61 88608G001 DMD HEATSINK SPRING PLATE SUS301 0 4t Ivy10X 15 61 88611G00...

Page 55: ... 51 83F07G011 KEYPAD BUTTOM PC EP747 4 51 83F08G011 IR FRONT LENS EP747 5 51 83F26G001 FRONT IR MYLAR 0 2t HD72 6 51 83F29G001 KEYPAD LED LENS HOLDER PC HD72 7 75 83F09G001 BUY ASSY TOP SHIELDING MODULE HD72 8 80 83F04G001 PCBA IR SENSOR BD H72 9 80 83R03G001 PCBA KEYPAD BOARD EP747 10 85 1A123 040 SCREW PAN MECH M3x4 Ni Exploded Parts List ...

Page 56: ...5 W 7 H 2 2 61 83R05G001 DOWN LENS SUPPORTER SECC t 0 8mm EP747 3 61 83R06G001 UP LENS SUPPORTER SECC t 0 6mm EP747 4 70 82G11G001 ASSY LAMP CHANGE PLATE MODULE EP7190 5 70 83F18G001 ASSY BOTTOM BASE MODULE H72 6 85 1A123G050 SCREW PAN MECH M3x5 Ni 7 85 1A126 050 SCREW PAN MECH M2 6 5 Ni 8 85 WA123 080 SCREW PAN TAP M3 8 Ni ...

Page 57: ...ULE Exploded Parts List Item PART_NO Description 1 51 83F12G011 FRONT LOWER PANEL PC ABS EP747 2 75 83F05G001 BUY ASSY FRONT SIDE SHIELDING HD72 3 75 83R03G001 BUY ASSY BOTTOM COVER MODULE EP747 4 85 WA123 080 SCREW PAN TAP M3 8 Ni ...

Page 58: ...FORMAX MYLAR EP747 2 70 83R09G001 ASSY SUB LVPS MODULE EP747 3 75 83R05G001 BUY ASSY LVPS SHIELDING MODULE EP747 4 75 83R06G001 BUY ASSY POWER SHIELDING MODULE EP747 5 85 1C224 050 SCREW PAN MECH M4 5 COLOR W TOOTH WASHER 6 85 1F123 060 SCREW PAN MECH W SF M3x6 Ni Exploded Parts List ...

Page 59: ...49 83J03G001 MISC 45x10 DMD BLOWER SUNON B1245PFV1 8A R TYPE 2 49 83R01G001 SPEAKER 4ohm 3W 90mm EP747 3 52 83R01G001 SIDE SPEAKER SPONGE EP747 4 61 83R04G002 SIDE SHIELDING AL 5052 t 0 8mm EP747 5 85 1A123 060 SCREW PAN MECH M3x6 Ni VIII SIDE SHIELDING MODULE ...

Page 60: ...NG OF DP739 SERIES 2 51 80J38G002 MYLAR CW SUPPORT 739 FRPP 0 125t 3 52 83615 001 COLOR WHEEL DISC RUBBER EzPro755 4 61 80J08G002 CW HOLDER 739 SECC 1 2t 5 61 83628G001 COLOR WHEEL SHOULDER SCREW EzPro755 6 80 80N04 001 PCBA PHOTO SENSOR BD EP739 7 85 1A626G040 SCREW PAN MECH M2 6x4 BLACK NYLOK Exploded Parts List ...

Page 61: ...2 80J02G002 OFF LIGHT ISOLATOR 739 SILICONE RUBBER 7 61 80J01G001 ENGINE BASE 739 Mg ALLOY 8 61 80J02G001 UVIR HOLDER 739 SUS301 0 3t 9 61 80J07G001 SPRING MIRROR2 739 SUS301 0 25t 10 61 80J39G001 OFF LIGHT PLATE AL VULCAN 1 11 61 83F17G001 BLOWER DUCT AL H72 12 85 1A326 060 SCREW PAN HEAD MECH M2 6x6 BLACK 13 85 1A626G040 SCREW PAN MECH M2 6x4 BLACK NYLOK 14 85 5A126G040 SCREW BINDING MECH M2 6x4...

Page 62: ...EP747 7 13 Exploded Parts List Item PART NO Description 1 35 83R01G001 IO LABEL PC 8B35 EP747 2 51 83R02G001 IO COVER EP747 3 75 83R04G001 BUY ASSY IO COVER MODULE EP747 XI I O COVER FAN MODULE ...

Page 63: ... List Item PART NO Description 1 51 83R10G001 LAMP DRIVER HOLDER MYLAR FORMAX EP747 2 70 83R07G001 ASSY LAMP DRIVER MODULE EP747 3 70 83R08G001 ASSY LVPS MODULE EP747 4 85 1F123 060 SCREW PAN MECH W SF M3x6 Ni XII POWER MODULE ...

Page 64: ...ULE Exploded Parts List Item PART NO Description 1 75 80J02G001 ASSY INTERRUPTER SWITCH 2 42 83R01G001 W A 16P 170mm LVPS TO M B EP747 3 42 89602 001 W A 3P 20 180mm LAMP DRIVER TO LAMP EP759 4 75 83M01G002 ASSY LITEON LVPS 2400MP ...

Page 65: ...XIV MAIN BOARD MODULE Exploded Parts List Item PART NO Description 1 51 83F23G001 MB UP INSULATOR MYLAR FRPP 0 43t H72 2 51 83R09G001 MB DOWN INSULATOR MYLAR Frpp 0 43t EP747 3 80 83R01G001 PCBA MAIN BD FOR EP747 ...

Page 66: ... XV OPTICAL LENS MODULE Exploded Parts List Item PART NO Description 1 23 89601G001 YM06 1 2X XGA ZOOM PROJECTION LENS 2 75 83R07G001 BUY ASSY FORCUS RING MODULE EP747 3 85 YA121G040 SCREW FLAT HEAD TAP M1 7 4 Ni ...

Page 67: ...PART NO Description 1 42 80S03G001 W A 5P 28 210mm LVPS TO MB TDP T90 2 51 83F20G001 LAMPDRIVER HOLDER PC ABS MN3600 HD72 3 75 83J01G001 ASSY OSRAM LAMPDRIVER 230W 4 76 83F01G001 ASSY LAMP DRIVER OSRAM TO LAMP W A HD72 5 85 1F123 060 SCREW PAN MECH W SF M3x6 Ni ...

Page 68: ...ODULE Exploded Parts List Item PART NO Description 1 23 80J02G001 REFLECTION MIRROR1 OF DP739 SERIAL 2 51 80J01G001 ENGINE BOTTOM 739 BMC 3 52 80J05G002 PORON RELAY 739 SILICONE RUBBER 4 61 80J06G001 SPRING MIRROR1 739 SUS301 0 25t ...

Page 69: ...20 XVIII ROD MODULE Exploded Parts List Item PART NO Description 1 23 83L17G001 INTEGRATION ROD FOR 739 XGA GLASS RELAY SERIES 2 57 81501 001 UV GLUE 6 628 GEL DYMAX 3 61 83J10G001 ROD HOLDER SUS301 0 2t PD527 ...

Page 70: ...EP747 7 21 Appendix B I PCBA Code Definition PCBA Code for Projector A B XXXXXXXXXX C XXX EEEE 1 2 3 4 5 6 1 2 3 4 5 6 ID Vendor Code P N Revision Date Code S N C M B B DMD B ...

Page 71: ...on 1 110V 2 220V 0 universal B BIOS version E PCB board version M Mechanical version O Optical version Serial code from 0001 EX A83R529T0AAAA1001 Thislabel A83R529T0AAAA1001 representsthewholeserialnumberforEP747 including Ver 1st of BIOS and Ver 1 of PCB Board Both mechanical and optical version are 1st In addition panel vendor isTI It s produced on 29s week of 2005 for universal area and its ser...

Page 72: ...ce Manual Layout 3 The form and listing Unit Excellent Good Fair Bad 1 Introduction 2 Disassembly Procedure 3 Troubleshooting 4 Function Test Alignment Procedure 5 Firmware Upgrade Procedure 6 DDC key in Procedure 7 Appendix B Are you satisfied with the EP747 service manual C Do you have any other opinion or suggestion about this service manual Reader s basic data After your finishing this form pl...

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