Optoma EP773 Serivce Manual Download Page 1

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Model Name : EP773

SERVICE MANUAL

Date

Revise Version

Description

2006/12/15

V0.1

Initial Issue

95.86R01GC0A

; 95.86R01G00A; 95.86R01GC01; 95.86R01GC0B;

95.86R01GC0C; 95.86R01GC0E; 95.86R01GC0H; 95.86R01GC0J;
95.86R01GC0K; 95.86R01GC0L; 95.86R01GC0T

Prepared by SI :

________________________________________

Prepared by TSE :

________________________________________

Check by :

________________________________________

Approved by :

________________________________________

Summary of Contents for EP773

Page 1: ...86R01GC0A 95 86R01G00A 95 86R01GC01 95 86R01GC0B 95 86R01GC0C 95 86R01GC0E 95 86R01GC0H 95 86R01GC0J 95 86R01GC0K 95 86R01GC0L 95 86R01GC0T Prepared by SI ________________________________________ Pre...

Page 2: ...ice 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...

Page 3: ...10 Disassemble Main Board 2 11 Disassemble DMD Fan 2 12 Disassemble System Fan 2 13 Disassemble Side Shielding Module 2 14 Disassemble Lamp Driver Module 2 15 Disassemble LVPS Module 2 16 Disassemble...

Page 4: ...Inspection Procedure 4 3 Chapter 5 Firmware Upgrade 5 1 Equipment Needed 5 1 Installation Procedure 5 2 USB Driver Upgrade Procedure 5 4 Firmware Upgrade Procedure 5 6 Chapter 6 EDID Upgrade 6 1 EDID...

Page 5: ...zed agencies 6 Keystone correction 15 degree 7 Color Top Cover Pantone Cool Gray 6C Bottom Base Pantone 446C Side Back covers Pantone 446C Lens rim Zoom ring Focus ring Pantone 446C Keypad Pantone Coo...

Page 6: ...NSI Lumens Minimum 11 Contrast 2200 1 Marketing Full White and Black 1500 1 Typical Full White and Black 1000 1 Minimum Full White and Black 12 Uniformity 85 Marketing Japan standard 75 Typical Japan...

Page 7: ...76i p 720p 1080i 19 Intelligent Zoom By using DDP2000 Chip to provide excellent quality zooming 20 SXGA Compression By using DDP2000 Chips to compress SXGA image into XGA display 21 Power Consumption...

Page 8: ...37 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 6...

Page 9: ...Sync Hz Horiz Freq KHz MAC LC 13 640x480 66 66 34 98 MAC II 13 640x480 66 66 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...

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...

Page 11: ...P773 Confidential 2 1 Equipment Needed Product Overview Chapter 2 Disassembly Process Item Photo Item Photo Screw Bit 107 Hex Sleeves 5mm Hex Sleeves 8mm Tweezers Front Side Back Side Left Side Right...

Page 12: ...EP773 Confidential 2 2 Disassemble Lamp Module Lamp Lamp Cover No Procedure Photo 1 1 Unscrew 1 screw as red circle 2 Disassemble Lamp Cover 2 1 Unscrew 2 screws as red circle 2 Disassemble Lamp Modu...

Page 13: ...No Procedure Photo 1 1 Unscrew 5 screws as red circle 2 Release 6 tennons as blue circle 3 Unplug FPC Wire and Front IR Wire as yellow square 4 Disassemble Top Cover Module 2 3 Disassemble Top Cover M...

Page 14: ...l Top Shielding Module No Procedure Photo 1 1 Take off FPC Wire directly 2 Unscrew 4 screws as red circle 3 Release 2 tennons as blue circle 4 Disassemble Top Shielding Module 2 4 Disassemble Top Shie...

Page 15: ...5 EP773 Confidential Keypad Board No Procedure Photo 1 1 Unscrew 1 screw as red circle 2 Disassemble Keypad Board and Keypad Button directly 2 5 Disassemble Keypad Board and Keypad Button Keypad Butto...

Page 16: ...2 6 EP773 Confidential 2 6 Disassemble IR Receiver No Procedure Photo 1 1 Take off Mylar and IR Cover directly 2 Disassemble IR Receiver Top Cover IR Receiver...

Page 17: ...2 7 EP773 Confidential 2 7 Disassemble IO Cover No Procedure Photo 1 1 Unscrew 1 screw as red circle 2 Unscrew 8 hex screws as green circle 3 Disassemble IO Cover IO Cover...

Page 18: ...2 8 EP773 Confidential 2 8 Disassemble Light Cut Mylar No Procedure Photo 1 Take off Light Cut Mylar directly as red square Light Cut Mylar...

Page 19: ...2 9 EP773 Confidential 2 9 Disassemble Airduct Module No Procedure Photo 1 1 Unscrew 3 screws as red circle 2 Disassemble Airduct Module Airduct Module...

Page 20: ...2 10 EP773 Confidential 2 10 Disassemble Isolator Mylar No Procedure Photo 1 Disassemble Isolator Mylar directly as red square Isolator Mylar...

Page 21: ...73 Confidential 2 11 Disassemble Main Board No Procedure Photo 1 1 Unscrew 5 screws as red circle 2 Unplug 8 connectors as yellow square 3 Unplug 1 connector as blue square 4 Disassemble Main Board Ma...

Page 22: ...2 12 EP773 Confidential 2 12 Disassemble DMD Fan No Procedure Photo 1 1 Unscrew 3 screws as red circle 2 Disassemble DMD Fan DMD Fan...

Page 23: ...2 13 EP773 Confidential 2 13 Disassemble System Fan No Procedure Photo 1 1 Unscrew 2 screws as red circle 2 Disassemble System Fan System Fan...

Page 24: ...ial 2 14 Disassemble Side Shielding Module No Procedure Photo 1 1 Unscrew 3 screws as red circle 2 Take off Side Shielding Module 3 Unscrew 2 screws as red circle 4 Disassemble Side Shielding Module S...

Page 25: ...p Driver Module No Procedure Photo 1 1 Unscrew 2 screws as red circle 2 Unplug 2 connectors as yellow square 3 Disassemble Lamp Driver Module 2 1 Unscrew 3 screws as red circle 1 Disassemble Lamp Driv...

Page 26: ...ocedure Photo 1 1 Take off Mylar directly 2 Unscrew 5 screws as red circle 3 Unplug Thremal Switch connectors as yellow square 4 Disassemble LVPS Module as red square 2 1 Unplug 2 connectors as yellow...

Page 27: ...2 17 EP773 Confidential 2 17 Disassemble Engine Module No Procedure Photo 1 1 Unscrew 2 screws as red circle 2 Disassemble Engine Module Engine Module...

Page 28: ...2 18 EP773 Confidential 2 18 Disassemble Thremal Switch No Procedure Photo 1 1 Unscrew 1 screw as red circle 2 Disassemble Thremal Switch Thremal Switch...

Page 29: ...EP773 Confidential 2 19 Disassemble Power Module Holder No Procedure Photo 1 1 Unscrew 3 screws as red circle 2 Take off Mylar directly 3 Disassemble Power Module Holder as red square Power Module Ho...

Page 30: ...2 20 EP773 Confidential 2 20 Disassemble Heatsink and 2 Springs No Procedure Photo 1 1 Unscrew 4 screws as red circle 2 Disassemble Heatsink and 2 Springs Heatsink and 2 Springs...

Page 31: ...2 21 EP773 Confidential 2 21 Disassemble DMD Board and DMD Chip No Procedure Photo 1 1 Unscrew 4 hex screws as red circle 2 Disassemble DMD Board and DMD Chip DMD Board DMD Chip...

Page 32: ...EP773 Confidential 2 22 Disassemble Color Wheel and Photo Sensor Board No Procedure Photo 1 1 Unscrew 1 screw as red circle 2 Disassemble Color Wheel and Photo Sensor Board Color Wheel Photo Sensor B...

Page 33: ...2 23 EP773 Confidential 2 23 Disassemble Zoom Ring No Procedure Photo 1 Take off Zoom Ring directly Zoom Ring...

Page 34: ...2 24 EP773 Confidential 2 24 Disassemble Focus Ring No Procedure Photo 1 1 Unscrew 3 screws as red circle 2 Disassemble Focus Ring Focus Ring...

Page 35: ...2 25 EP773 Confidential 2 25 Disassemble Blower No Procedure Photo 1 1 Unscrew 3 screws as red circle 2 Disassemble Blower Blower...

Page 36: ...2 26 EP773 Confidential Interrupt Switch 2 26 Disassemble Interrupt Switch No Procedure Photo 1 1 Unscrew 2 screws as red circle 2 Disassemble Interrupt Switch...

Page 37: ...2 27 EP773 Confidential 2 27 Disassemble Bottom Base No Procedure Photo 1 1 Unscrew 2 screws as red circle 2 Disassemble Bottom Base Bottom Base...

Page 38: ...2 28 EP773 Confidential 2 28 Disassemble Front Lower Panel No Procedure Photo 1 1 Release 2 tennons as red circle 2 Disassemble Front Lower Panel Front Lower Panel...

Page 39: ...2 29 EP773 Confidential 2 29 Disassemble Front Shielding Module No Procedure Photo 1 1 Unscrew 2 screws as red circle 2 Disassemble Front Shielding Module Front Shielding Module...

Page 40: ...oting 3 1 LED Lighting Message Message Power LED Green Power LED Red Temp LED Lamp LED Standby State Input power cord Warming Flashing Normal Mode Cooling Flashing Error Lamp failed Error Fan failed F...

Page 41: ...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...

Page 42: ...Board Check Lamp Module 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...

Page 43: ...pad c Check Main Board 13 Function Abnormal Do Reset of the OSD Menu Check Main Board Check DMD Board 14 Rod Adjustment If there are shadow at TOP Bottom side of the screen adjust Screw 1 to adjust RO...

Page 44: ...3 5 EP773 Confidential 3 3 System Block Diagram...

Page 45: ...harge Parts Update Version Update Color Wheel Index PC Calibration 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 Step...

Page 46: ...P773 the unit should be run in Refer to the table below Symptom Run in Time Normal Repair 2 Hours NFF 4 Hours Auto Shutdown 6 Hours 4 3 Reset OSD No Step 1 After final QC step we have to erase all sav...

Page 47: ...djust by the following steps 1 Select Frequency function to adjust the total pixel number of pixel clock in one line period 2 Then select Tracking function and use right or left arrow key to adjust th...

Page 48: ...802B 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...

Page 49: ...er the 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 patterns Test Signal...

Page 50: ...024x768 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...

Page 51: ...Pixel 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 p...

Page 52: ...EP773 5 1 Confidential Chapter 5 Firmware Upgrade Item Photo Item Photo Projector EP773 USB Cable Power Cord PC or Laptop Equipment Needed Software DDP 2000 USB DLP Composer Firmware EP773 Hardware...

Page 53: ...ure Photo 1 Execute FW program Choose DLP Composer Lite v6 0 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 term...

Page 54: ...EP773 5 3 Confidential No Step Procedure Photo 5 Next Click Next button 6 Next Click Next button 7 Process ing The program is ex ecuting Initializing status...

Page 55: ...mp LED 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...

Page 56: ...nager 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...

Page 57: ...r and link to PC USB Note 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 loca...

Page 58: ...l but 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 th...

Page 59: ...are Upgrade 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 Vers...

Page 60: ...capabilities including 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 infor...

Page 61: ...P3 to Projector Digital Port 2 Power On Fixture Power on Fixture Setup Procedure EDID Key In Procedure 1 2 To Analog Port To Digital Port Adapter RS 232 Cable P3 P2 P1 JP1 No Step Procedure Photo 1 E...

Page 62: ...Please change the Cable to VGA1 message is shown on the screen then click OK Note RUN mes sage will appear on the screen 5 Change Cable to VGA2 Please change the Cable to VGA2 message is shown on the...

Page 63: ...the Port that you use Ex If you use the Analog Port 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 th...

Page 64: ...EP773 7 1 Confidential Appendix A Exploded Overview D C EP773...

Page 65: ...ASSY BOTTOM COVER MODULE EP773 10 70 86R16G001 PRE ASSY MAIN BD MODULE EP773 11 70 86R02G001 ASSY POWER MODULE EP773 12 70 86R07G001 ASSY ENGINE BOTTOM BASE MODULE EP773 13 70 86R08G001 ASSY SIDE SHI...

Page 66: ...EP773 7 3 Confidential ASSY TOP COVER MODULE...

Page 67: ...1G071 TOP COVER PC ABS EP773 5 51 83F07G011 KEYPAD BUTTOM PC EP747 6 51 83F08G011 FRONT IR MYLAR 0 2t HD72 7 51 83F26G001 KEYPAD LED LENS HOLDER PC EP747 8 51 83F29G011 BUY ASSY TOP SHIELDING MODULE E...

Page 68: ...N Description 1 51 83F12G011 FRONT LOWER PANEL PC ABS EP747 2 75 83F05G001 BUY ASSY FRONT SIDE SHIELDING HD72 3 75 86R02G001 BUY ASSY BOTTOM COVER MODULE EP773 4 85 WA123G060 SCREW PAN TAP M3 6 Ni AS...

Page 69: ...escription 1 51 00001G001 CABLETIEPG YJ 80 2 51 86R02G001 LAMP DRIVER HOLDER MYLAR EP773 3 70 86R03G001 ASSY LVPS MODULE EP773 4 70 86R12G001 ASSY LAMP DRIVER MODULE EP773 5 85 1A123G050 SCREW PAN MEC...

Page 70: ...86R01G001 SPONGE 52 22 6mm 4 52 86R17G001 LVPS THERMAL PAD 59 27 8 3mm 5 70 86R19G001 ASSY SUB LVPS MODULE EP773 6 75 86R01G001 BUY ASSY LVPS SHIELDING MODULE EP773 7 75 83R06G002 BUY ASSY POWER SHIE...

Page 71: ...EP773 7 8 Confidential PRE ASSY ENGINE BASE MODULE EP773...

Page 72: ...S 1M GREEN 6 85 1A326G060 SCREW PAN HEAD MECH M2 6 6 BLACK 7 61 80J07G001 SPRING MIRROR2 739 SUS301 0 25t GREEN 8 23 80S02G011 SILFLEX MIRROR2 OF DP739 9 23 80S10G001 UV IR FILTER OF DP739 SERIES GREE...

Page 73: ...EP773 7 10 Confidential ASSY SUB ENGINE MODULE EP773...

Page 74: ...0 86R13G001 ASSY OPTICAL LENS MODULE EP773 10 70 86R10G001 ASSY COLOR WHEEL MODULE EP773 11 70 86R14G001 ASSY ROD MODULE EP773 12 70 86R04G001 PRE ASSY ENGINE BASE MODULE EP773 13 70 86R15G001 ASSY EN...

Page 75: ...EP773 7 12 Confidential ASSY ENGINE MODULE EP773...

Page 76: ...3G001 ENGINE BOTTOM MIRROR1 TAPE 3M J350 2300MP GREEN 7 85 1A523G040 SCREW PAN MECH M3 4 NYLOK 8 52 80J01G001 DMD ANTIDUST RUBBER 739 SILICONE RUBBER 9 52 87130G001 RUBBER BLOWER 595925 10 52 83M20G00...

Page 77: ...W27 H3 L27mm 2 61 83R06G001 UP LENS SUPPORTER SECC t 0 6mm EP747 3 70 86R06G001 ASSY ENGINE MODULE EP773 4 70 83R18G001 ASSY BOTTOM BASE MODULE EP747 5 85 1A126G040 SCREW PAN MECH M2 6 4 Ni 6 85 1F12...

Page 78: ...m P N Description 1 49 83R01G001 SPEAKER 4ohm 3W 90mm EP747 2 61 86R03G001 FOIL FOR SIDE SHIELDING EP773 3 75 83R02G002 BUY ASSY SIDE SHIELDING MODULE EP747 4 85 1A123G050 SCREW PAN MECH M3x6 Ni ASSY...

Page 79: ...YLAR 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 83628G002 COLOR WHEEL SHOULDER SCREW M2 4 8 FI 6 80 83F07G001 PCBA PHOTO SEN...

Page 80: ...EP773 7 17 Confidential ASSY LAMP MODULE EP77...

Page 81: ...2G001 7 52 85902G012 LAMP CONTACT COVER RUBBER 300 C 8 61 00018G002 LOCK SCREW PAN MECH M3 8 5 3 5 BLACK 9 61 80W16G003 LAMP INSULATOR AL NITTO 5011N 2300MP 10 61 83F08G001 LAMP HOLDER Mg AZ91D H72 11...

Page 82: ...1 42 83F05G001 W A 5P 28 210mm LVPS TO MB TDP T90 2 42 83F05G001 CABLE W A 2P 22 160mm 3 51 83F20G001 LAMPDRIVER HOLDER PC ABS H72 4 75 83M02G003 ASSY OSRAM LAMPDRIVER 260W 5 85 1A123G050 SCREW PAN ME...

Page 83: ...P N Description 1 23 85Y01G001 YM06H 1 2X XGA ZOOM PROJECTION LENS 2 51 83R03G001 WT41 ZOOM RING EP747 3 75 83R07G001 BUY ASSY FORCUS RING MODULE EP747 4 85 YA121G040 SCREW FLAT HEAD TAP M1 7 4 Ni AS...

Page 84: ...EP773 7 21 Confidential Item P N Description 1 23 83M17G011 ROD FOR 0 7 XGA GLASS RELAY 2 61 83J10G001 ROD HOLDER SUS301 0 2t PD527 ASSY ROD MODULE EP773...

Page 85: ...80S02G001 SILFEX MIRROR FOR DP739 SERIES M1 2 51 80J01G002 ENGINE BOTTOM 739 BMC 3 52 80J25G002 PORON CONDENSOR 739 SILICONE RUBBER 4 52 83M21G001 PORON RELAY 2400MP 5 61 80J06G001 SPRING MIRROR1 739...

Page 86: ...scription 1 42 81R13G001 CABLE W A 2P 28 115mm LIMIT 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 86M16G002 ASSY LITEON LVPS 250W...

Page 87: ...EP773 7 24 Confidential ASSEMBLY DRAWING PACKING PROCEDURE DRAWING...

Page 88: ...4100MP 12 45 83R01G002 REMOTE CONTROLLER EP747 HI Power 13 46 80301G101 BATTERY 7 1 5V PANASONIC 14 55 83R02G001 ACEXXORY BOX EP747 15 35 82001G111 LABEL CARTON 3 3 BLANK PJ885 DP 86R01G001 D P EP773...

Page 89: ...m Definition Serial Number Format for Projector MM Made in where ex CN Made in China Area Code BBBBB MFG ID Y Last number of the year ex 2006 6 Month of year Jan 1 Feb 2 Oct A Nov B Dec C L MFG Date S...

Page 90: ...7 27 Confidential EP773 II PCBA Code Definition PCBA Code for Projector A B XXXXXXXXXX C XXX EEEE 1 2 3 4 5 6 ID Vendor Code P N Revision Date Code S N C M B B DMD B 1 2 3 4 5 6...

Page 91: ...on about this service manual 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 afte...

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