SERVICE MANUAL - e-ASP
Contents
1. SCALE 39 Description 49 87K01G001 SPEAKER 8ohm 2W Fai16 EP 752 52 89608G001 SPEAKER SPONGE CR 2t EP759 PD7 75 87502G002 ASSY SYSTEM SUPPORT SHIELDING 85 1A523G060 SCREW PAN MECH M3 6 NYLOK GRE 86 0A123G024 HEX NUT M3 0 5P L2 4 Ni Note Please refer to RSPL for updated part numbers Confidential 7 31 EP752 EP761_EP763 ASSY TYPE X ENGINE MODULE EP763 Sa jie e 7 22 l R x ji o SE U AL q Ni IF WAN Mi A MM Y y i 7 32 Confidential P N Description 85 YA121G035 SCREW FLAT TAP 1 LEAD M1 7 3 5 CR 3 51 87J10G001 TEFLON FOR ZOOM RING EP752 51 87J12G001 87J MIRROR 3M TAPE 51 87K07G001 FOCUS RING EP752 51 87K08G001 FOCUS RING TRANSFER EP752 51 87K09G001 FOCUS RING FIXED HOLDER EP752 51 87K10G001 ZOOM RING EP752 51 87K11G001 ZOOM RING ORBIT EP752 70 86V13G001 ASSY ENGINE MODULE XGA 260W 2 X19 85 1A323G040 SCREW PAN MECH M3 4 BLACK 2 3 4 5 6 8 9 Note Please refer to RSPL for updated part numbers Confidential 7 33 EP752 EP761 EP763 ASSY MB PCBA EP763 A LU Y e op dI KA SM Si 4 k ES 8 R ada fo p AR p ZE SE2. Confidential 7 10 EP752 EP761 EP763 P N Description 51 87K02G001 KEY BUTTON OUTER EP752 51 87K03G001 KEY BUTTON INNER EP752 51 87K04G001 IR LENS TOP EP752 51 87K22G001 LAMP COVER EP752 75 87K04G001 ASSY TOP COVER EP752 80 8 M03G001 PCBA KEYPAD BD ENTEK FOR EP761 85 1F123G080 Screw Pan Spg Flt M3x8 Ni Note Please refer to RSPL for updated part numbers Confidential 7 11 EP 52_EP761_EP763 ASSY BOTTOM COVER EP752 Description 75 87K02G001 ASSY INTERRUPT SWITCH MODULE EP 752 51 87K13G001 LENS CASE WXGA EP752 51 87K14G001 LENS DOOR EP752 51 87K15G001 IR LENS FRONT EP752 51 87K17G001 LENS DOOR SWITCH HOLDER EP752 75 87K05G001 ASSY BOTTOM COVER EP752 80 8 M05G001 PCBA IR SENSOR BD FOR EP761 85 WA123G080 Screw Pan Tap M3x8 Note Please refer to RSPL for updated part numbers Confidential 7 12 EP 52_EP761_EP763 ASSY IO COVER EP752 X HW OD sk ss SS A S oco SS O ESE E gt Se ds OSG gt P N Description
3. 4 4 Inspection Procedure me Sup sectas Prc Pree Frequency Eliminate visual Test Signal and Track wavy noise by 1024x768 60Hz ing Rsync Frequen Test Pattern PANA cy or Tracking ICON selection check and see if image sharpness and focus are well performed If not re adjust 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 the vgalue to minimize video flicker 2 Boundary Horz And Vert 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 4 3 EP752 EP761_EP763 Performance Confidential The text in the corner should be clear after adjust the focus ring Test Signal 1024x 768 60Hz Test Pattern Fullscreen Adjust the center clearly meanwhile one slightly vague corner in the image is allowed Color appears normal Color levels should be sufficient and normal Test Signal 1024x 768 60Hz Test Pattern Gray 16 amp 64 RGBW scale Please check and ensure if each color is normal and distinguishable If not please adjust color index of the Engineering Mode 4 4 EP752 EP761 EP763 e sep src Presto Proto _
4. 51 87K10G001 ZOOM RING EP752 51 87K11G001 ZOOM RING ORBIT EP752 70 86V13G001 ASSY ENGINE MODULE XGA 200W 2 X19 85 1A523G060 SCREW PAN MECH M3 6 Ni NYLOK Note Please refer to RSPL for updated part numbers Confidential 7 4 EP 52_EP761_EP763 ASSY MB PCBA EP752 SCALE 0 500 SCALE 0 800 Description 42 00303G001 FFC KEYPAD TO MB 24P P 0 5 120mm EP752 41 82G03G002 VO USB CONNECTOR GASKET W14 H2 L13mm 41 85E06G001 GASKET W13 L13 H1MM 9MM 51 82Y26G001 TAPE 3M J1350 45 45MM FOR MIRROR 1 DP715 51 87K32G001 MYLAR FOR MB 70 8 M08G001 ASSY AUDIO BD EP761 80 8 J01G002 PCBA MAIN BD ENTEK FOR EP752 85 1F123G080 SCREW PAN MECH W SF M3 8 NI GREEN Note Please refer to RSPL for updated part numbers Confidential 1 9 EP 52_EP761_EP763 ASSY X19 LVPS MODULE 230W E752 i L 0 8900 Item P N Description 1 42 00451G001 WA 16P 2100mm LVPS TO MAN BD UL1007 EP752 2 75 87J01G001 ASSY LVPS MATRITEK 200W EP752 Note Please refer to RSPL for updated
5. Screen Should be Test Signal Uniformity compliant with 1024x768 M60Hz 70 Minimum Test Pattern Full White Pattern Please check and ensure the unit is under the spec Please check and see if its in normal conidtion If not please return the unit to repair area Light Leak The unit can t Test Signal accept the leak 1024x768 60Hz age is brighter Test Pattern Gray 30 than Gray 30 Patterns patterns Please check and see if the light leaks Note The unit cannot accept the leakage is brighter than Gray 30 Patterns Note Light leak on reflective edge eyecatcher bond wires and exposed metal Gray 30 patterns Confidential 4 5 EP 52 EP761_EP763 Confidential Dead Pixel Bright pixel Blem ish Bright Each R G B color should be normal without color abnormal issue Cannot accept any bright pixel The numbers of dead pixel should be small er or amount to 6 pixels The bright blem ish cannot be accepted if the problem appear with Gary 30 patterns The dark blem ish cannot be accepted if the problem appear with Blue 60 patterns Test Pattern R G B and White Color Test Pattern Full Black Test Pattern Full White Test Pattern Gray 30 Test Pattern Blue 60 mm nos 4 6 EP752 EP761 EP763 Chapter 5 Firmware Upgrade 5 1 Equipment Needed Software DDP 2230 USB DLP Composer Lite V7 1 Firmware EP752
6. NOTE Please check the TI Extranet for La q required library data files Ts NOTE You must reboot your machine before using any I l based tools that use the parallel port Back Fo Finish Restart Press Yes to restart the computer ie Installer Information ou must restart your system or the configuration changes made to DLP Lompoz erll M Lite 7 1 to take effect Click res to restart now or No if you plan to restart manually later Confidential 5 4 EP752 EP761 EP763 USB Driver Installation Procedure 1 Setup 2 Installa tion 3 Finish Confidential Procedure Plug in Power cord to projector Link PC USB port and projector USB port by USB Cable Found new hardware wiszard will be appe arred on the screen Select Install the software automatically Recommended Then click Next Click Finish to end the installation Welcome to the Found New Hardware Wizard This wizard helps pou install software for Texas Instruments DLF Processor If your hardware came with an installation CD 4 or floppy disk insert it now What do you want the wizard to do 2 Install the software automatically Recommended Install from a list or specific location Advanced Click Next to continue eee JS toos Found New Hardware Wizard Completing the Found New Hardware Wizard The wizard has linished installing the s
7. PINGOOD 61 87340G001 STAND OFF M3 4L D8 0 2100MP 61 87H02G001 LVPS BRACKET AL 230W XD1171D 61 87KO1GOO1 TOP SHIELDING EP752 61 87K05G001 HONEYCOMBED FIXED HOLDER EP 752 61 87K06G001 PHOTOCATALYSIS HONEYCOMBED FOIL EP 752 70 86V08G001 ASSY LAMP MODULE OSRAM 200W X19 0 87J01G001 ASSY TYPE X ENGINE MODULE EP752 0 87J02G001 ASSY MB PCBA EP 752 70 87KO3GOO1 ASSY X19 LVPS MODULE 230W EP752 70 87K04G001 ASSY LAMP DRIVER OSRAM 230W EP752 70 87K05G001 ASSY FAN 8025 MODULE EP752 70 87K06G001 ASSY BLOWER 5020 EP752 70 87K07G001 ASSY TOP COVER EP752 70 87K08G001 ASSY BOTTOM COVER EP752 70 87K09G001 ASSY IO COVER EP752 70 87K10G001 ASSY SYSTEM SUPPORT SHIELDING MO SPK MODULE EP752 85 005AGG408 SCREW HEX VO 44 40 H4 L8 Ni Nylok 85 1C224G050 SCREW PAN MECH M4 5 COLOR W TOOTH WAEHER 85 1F123G080 SCREW PAN MECH W SF M3 8 NI GREEN Note Please refer to RSPL for updated part numbers Confidential EP 52_EP761_EP763 ASSY TYPE X ENGINE MODULE EP752 SIN I bi a AV ANN A DUR ji AN IL en Ah EP 52_EP761_EP763 1 3 Confidential P N Description 85 YA121G035 SCREW FLAT TAP 1 LEAD M1 7 3 5 CR 3 51 87K07G001 FOCUS RING EP752 51 87K08G001 FOCUS RING TRANSFER EP752 51 87K09G001 FOCUS RING FIXED HOLDER EP752
8. T ZA Confidential 7 34 somos SS b 9 8 8 SZER NON jil A Y E Ve gt SAD B B B B SCALE EP752_ 0 000 EP761_EP763 P N Description 42 00303G001 FFC KEYPAD TO M B 24P P 0 5 120mm EP752 41 87 M06G001 AUDIO PORT GASKET W12 H0 8 L79 41 87M07G001 DVI PORT GASKET H 0 35mm 41 87M07G001 VO USB CONNECTOR GASKET W14 H 51 82Y26G001 TAPE 3M J1350 45 45MM FOR MIRROR 1 DP715 51 87J13G001 TAPE 3M 1350F 66 30mm 51 87K32G001 MYLAR FOR MB 52 8 J05G001 SPONGE FOR PCBA EP 752 2 3 4 6 7 8 9 52 8 J06G001 SPONGE BETWEEN CNNT AND MYLAR EP752 52 8 J07G001 SPONGE FOR AUDIO BOARD EP752 52 8 J08G001 SPONGE FOR SVGA EP752 70 87 M08G001 ASSY AUDIO BD EP761 80 87501G001 PCBA MAIN BD ENTEK FOR EP763 85 1F123G080 SCREW PAN MECH W SF M3 8 NI GREEN Note Please refer to RSPL for updated part numbers Confidential EP752 EP761_EP763 Appendix B I Serial Number System Definition Serial Number Format for Projector Q XXX X XX XXXXXX XXXX D 0 0 Q Customer Code ex Q Optoma Product Code ex 87M EP761 87J EP752 87S EP763 Year ex 6 2006 7 2007 Week of MFG Code MFG Location ex C China Serial code from 0001 9008 0NO Confidential 7 36 EP752_EP761_EP763
9. cannot open USB driver No projectors found appears please unplug the USB Cable and replug then check Driver Finally 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 Proceeding Picture Y DLP Composer TM Lite File Edit View Window Help h B Options Flash Image File AT sc 800 Disk1 Product management FPD AD Y lt Skip Boot Loader Area ENS gt C Enter range of Image Data to be updated in Hex Status Interface USB vendor 0x451 product 0x2000 Use E dit gt Preferences to configure the communication interface Ready to download flash image Checksum hex Expected 0x0C739B00 Image Data hex Start 000008000 Size 0x002266D0 Returned Start Download 4 are ka Flash Loader v4 1 DLP Composer TM Lite LIE KIE DLP Composer Lite Projector Control A Flash Loader Options Flash Image File MTsc 80DADisk1AProduc management FPDXAC v Skip Boot Loader Area 32 KB v C Enter range of Image Data to be updated in Hex Status DLP Composer TM Warning If you continue the contents of flash memory will be replaced by the contents of the fla flash i image file Also the download will take several minutes and cannot be interrupted Do you want to continue ja Flash Loader gt DLP Composer TH Li
10. 1 78 1 ESPEGLISANO anamorphic DVD amp HDTV Confidential 1 1 EP752_EP761_EP763 EEE Es EP752 34dB in Bright mode and 29dB in STD mode typical Requested EP761 34dB in Bright mode and 30dB in STD mode Noise Targets typical EP763 38dB in Bright mode and 35dB in STD mode typical Ane 16 Vertical Correction 1 95 2 15 1distance width 3 3 Horizontal 31 5kHz to 100kHz Scan Rate Vertical Scan 47Hz to 85Hz Rate e 2x D Sub 15 pin connector for analog RGB component video HDTV and supports SCART RGB signal via an adapter for Europe only e 1x mini din 4 pin connector for S Video e 1x DVI I connector accept DVI D signal with HDCP e 1x composite RCA type connector mk W N Input Output connections e 1x One mini Din 3 pin connector for RS232 e 1x USB port for remote mouse e 4x Audio In e 1x D Sub 15 pin connector for VGA Signal Out e 1 x Audio Out e 1x 12V trigger e 1x 5V trigger for external wireless dongle O M 3 58MHz 4 43 MHz 480i p 60Hz Video B D G H I M N 576i p 50Hz compatibility B D GK K1 L 7 480p 576p 720p 1080i 50 60 Hz Operating 5 40 C 40 C support only in ECO mode 40 C support in STD ECO mode 35 C Support in Bright mode Storage 20 to 60 C 8 Temperature Confidential 12 EP752 EP761 EP763 Projection E 1 5m to 12m best display at 60 Power Bi color Amber Standby Projec
11. 51 UNIVERSAL Barcode 087M723AAAAAC0001 D Z DID Informations EDID values Analog Values Serial Week Year 2007 Model Universal Product f N Analog Analog C Digital Y M Digital Port Message SCAN Please change the Cable to VGA1 message is shown on the screen then click OK Please change the Cable to DVI mes sage is shown on the screen then click OK A Please change the cable to DVI Confidential 6 4 EP752 EP761 EP763 When the EDID program for Analog and Digital is completed the message OK will appear on the screen Program Key in Serial Number again Unplug VGA cable then plug into the other VGA Port Key in the Serial Number into the Barcode blank space In Write Source Select make a check in Analog Click Program Please change the Ca ble to VGA1 message is shown on the screen then click OK Finish When the EDID program for Analog and Digital is completed the message OK will appear on the screen Confidential 6 5 i Message Finish Standby EDID Application Version 0 51 UNIVERSAL EDID values ode O87M723AAAAACO001 Analog Values EN Please change the cable to 1541 i Message Finish Standby EP752 EP761 EP763 Check In the Read Item the whole e ton process the Port that you use Ex If you
12. 51 87K19G001 IO COVER EP752 51 87K24G001 OVERLAY PC EP752 Note Please refer to RSPL for updated part numbers Confidential 7 13 EP 52_EP761_EP763 ASSY SYSTEM SUPPORT SHIELDING MO SPK MODULE EP752_EP761 P N Description 49 87K01G001 SPEAKER 8ohm 2W 16 EP752 75 87K01G001 ASSY SYSTEM SUPPORT SHIELDING MO EP 752 85 1A523G060 SCREW PAN MECH M3 6 Ni NYLOK Note Please refer to RSPL for updated part numbers Confidential 7 14 EP 52_EP761_EP763 D C EP761 000 S00 s0000 AE O Os e gt el j ZA VIVIVIZI U AR Sl EAN Za FA E EP752_EP761_EP763 7 19 Confidential Item P N Description 1 85 1A323G040 SCREW PAN MECH M3 4 BLACK 2 85 1A323G080 SCREW PAN MECH M3 8 BLACK GREEN 3 85 WA123G060 SCREW PAN TAP M3 8 Ni 4 51 86V02G001 ENGINE MASK PLATE PPS X19 5 51 87K20G001 RIGHT COVER EP752 6 51 87K21G001 LEFT COVER EP752 7 51 87K23G001 INNER MASK EP752 8 51 87K28G001 MYLAR FOR LVPS EP752 9 51 87K31G001 MYLAR BETWEEN LVPS AND ENGINE 10 61 00079G001 GROUNDING CABLE CLAMP FN 008 PINGOOD 11 61 87340G001 STAND OFF M3 4L D8 0 2100MP 12 61 87H02G001 LVPS BRACKET AL 230W XD1171D 13 61 87K01G001 TOP SHIELDING EP752 14 61 87K05G001 HONEVCOMBED
13. 515G001 PHILIPS 260W 1 0 200W 1 0 E20 6n E20 6 52 85902G012 LAMP CONTACT 52 8 501G001 AIR FILTER EP763 COVER RUBBER 300 EP752 EP763 61 83F 126001 LAMP CLAMP 61 86V18G001 LAMP FIX PLATE 5US301 t 0 3 HD72 5US301 X19 61 88506G001 LAMP BRACKET 2 61 86V17G001 LAMP FIX PUSH 5US301 0 3t 220 PLATE SUS301 X19 61 86V06G002 BLOWER DUCT 61 86V25G001 BLOWER DUCT OSRAM E20 6 AL PHILIPS 260W X19 61 83M17G011 LAMP LIGHT CUT 75 86V01G001 BUY ASSY LAMP X19 LIGHT CUT X19 61 86V04G003 LAMP HOLDER OS 61 86V04G013 LAMP HOLDER RAM E20 6 AL X1 PHILIPS E20 6 AL 35 86V02G001 LAMP WARNING 35 82G02G001 LAMP WARNING LABEL OSRAM LABEL PC EP7190 200W 43 87J01G002 THERMAL SWITCH 43 87501G001 THERMAL SWITCH WITH BRACKET K WITH BRACKET K 41 80T06G001 EMI GASKET 41 82H02G001 EMI GASKET W7 H7 L70 W5 H5 L77 61 8 H02G002 LVPS BRACKET AL 61 87H05G002 LVPS BRACKET 230W P5260 260W P5280 51 8 K28G002 MYLAR FOR LVPS 51 87501G002 MYLAR FOR LVPS EP752 EP763 Preface This manual is applied to EP752 EP761 EP763 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 immediate ly identify problems that occur 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 Please send the product back to the distr
14. EP761 EP763 Library files Library file have to put in PC and set right path in step 4 Note The FW upgrade procedure for EP752 EP761 EP763 is the same Here we take EP761 as an example Hardware Projector USB Cable EP761 2 42 87304G001 Before doing firmware upgrade please get into firmware mode first How to get into firmware mode Hold on MENU button then plug in power cord MENU button must be held until Temp and Lamp LED light up Confidential 5 1 EP752 EP761 EP763 5 3 Installation Procedure DLP Composer Lite Setup Procedure Choose DLP Composer Lite v7 1 Setup program DLP Composer Lite 77 1 Setup H c im l gt Next Click Next button amp DLP Composer TM Lite 7 1 Setup Welcome to the DLP Composer TM Lite 7 1 Installation Wizard It is strongly recommended that you exit all Windows programs before running this setup program Click Cancel to quit the setup program then close any programs you have running Click Next to continue the installation WARNING This program is protected by copyright law and international treaties Unauthorized reproduction or distribution of this program or any portion of it may result in severe civil and criminal penalties and will be prosecuted to the maximum extent possible under law 3 Next Reading the License i DLP Composer 1M Lite Setup License Agreement Agreement rules O g You must agree with the license agreement
15. FIXED HOLDER EP752 15 61 87K06G001 PHOTOCATALYSIS HONEYCOMBED FOIL EP752 16 70 86V09G001 ASSY LAMP MODULE PHILIPS 220W X19 17 70 87M01G001 ASSY TYPE X ENGINE MODULE EP761 18 70 8 M02G001 ASSY MB PCBA EP761 19 70 87M03G001 ASSY X19 LVPS MODULE EP761 20 70 87M04G001 ASSY LAMP DRIVER EP761 21 70 87K05G001 ASSY FAN 8025 MODULE EP752 22 70 87K06G001 ASSY BLOWER 5020 EP752 23 70 87M07G001 ASSY TOP COVER EP761 24 70 87M05G001 ASSY BOTTOM COVER EP761 25 70 87M06G001 ASSY IO COVER EP761 26 70 87K10G001 ASSY SYSTEM SUPPORT SHIELDING MO SPK MODULE EP752 27 85 005AGG408 SCREW HEX VO 4 40 H4 L8 Ni Nylok 28 85 1C224G050 SCREW PAN MECH M4 5 COLOR W TOOTH WAEHER 29 85 1F123G080 SCREW PAN MECH W SF M3 8 NI GREEN Note Please refer to RSPL for updated part numbers Confidential 7 16 EP752_EP761_EP763 EP 52 EP 61 EP763 ASSY TYPE X ENGINE MODULE EP761 3 5 CR 3 O o O 0 O O N gt O T LLI O lt E T i LL LLI OC O I O O fo ASSY ENGINE MODULE XGA 220W 2 X19 FOCUS RING TRANSFER EP752 FOCUS RING FIXED HOLDER EP 752 ZOOM RING EP752 ZOOM RING ORBIT EP 752 SCREW PAN MECH M3 6 Ni NYLOK FOCUS RING EP 752 NY j F Den a NI W W D mu ui O H AN 7 51 87K07G001 51 87K08G001 51 87 K09G001 51 87K10G001 51 87K11G001 70 86V15G001 85 1A523G060 ui ui 85 YA121G035 _ E 7 17 Note Pl
16. Il PCBA Code Definition PCBA Code for Projector A B XXXXXXXXXX XXX E C XXX EEEE O O OO C M B ID B DMD B Vendor Code P N Revision Date Code S N 200000 Confidential 7 37 EP752_EP761_EP763 Reader s Response Dear Readers 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 EP7 52_EP761_EP763 Service Manual 1 Introduction po 2 Disasaembly Procedure 3 Troubleshooting ooo 4 Function Test amp Alignment Procedure KEK i KE EA 5 Firmware Upgrade Procedure y 6 EDID Lo WE 7 Appendix B Are you satisfied with the EP 52 EP761 EP 63 service manual 1 Service Manual Content __ 2 Service Manual Layout 3 The form and listing po S C Do you have any other opinion or suggestion about this service manual Reader s basic data Name Tile Company Add Tel Fax E mail After your finishing this form please send it back to Coretronic Customer Service Dept by fax 886 3 563 5333 Confidential 738 EP752 EP761 EP763
17. alongside a prior release of the DLP Composer Tool Suite click the Browse button on the Select Features page USB Support Installation All Platforms m Confidential 5 2 EP752 EP761 EP763 Procedure ES Next Click Next button Next Click Next button The program is execut ing Initializing status Process ing D es amp DLP Composer TM Lite 7 1 Setup Select Features Please select which features you would like to install ERASE Feature Description DLP Composer Lite Tool Suite This feature will be installed on the local hard drive This feature requires 4625KB on your hard drive Current location E Program Files DLP Composer Lite 7 1 Browse ie DLP Composer TM Lite 7 1 Setup Ready to Install the Application Click Next to begin installation is Click the Back button to reenter the installation information or click Cancel to exit the wizard i DLP Composer TM Lite 7 1 Setup Updating System The features you selected are currently being installed Creating shortcuts Shortcut DLPCOM TIDLE Composer T M Lite 7 1 Time remaining 1 seconds _ Cancel Confidential 5 3 EP752_EP761_EP763 Finish Then press Finish to ig DLP Composer TM Lite 7 1 Setup E end installation A DLP Composer TM Lite 7 1 has A j been successfully installed y Click the Finish button to exit this installation
18. arent broken Check Lamp Module Check Lamp Driver Check LVPS Check Main Board 5 Mechanical Noise Check Color Wheel Check Fan Module Line Bar Line De Check if the Main Board and the DMD Board are fect assembled properly Check DMD Board Check DMD Chip Check Main Board Image Flicker Do Reset of the OSD Menu Ensure the Signal Cable and Source work Clean Photo Sensor Board 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 Confidential gt EP752_EP761_EP763 Remote Controll or Remote Control Control Panel Failed a Check Battery 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 D
19. 001 LAMP COVER 51 8 K22G011 LAMP COVER FOR EP752 EP761 70 87K08G001 ASSY BOTTOM 70 8 M05G001 ASSY BOTTOM COVER EP752 COVER EP761 5 87K05G001 ASSY BOTTOM 75 8 M04G001 ASSY BOTTOM COVER EP752 COVER EP761 EP752 EP761 70 87K09G001 ASSY IO COVER 70 8 M06G001 ASSY IO COVER EP752 EP761 51 87K19G001 IO COVER EP752 51 87K19G011 IO COVER FOR EP761 51 8 K24G001 OVERLAY PC 51 8 M05G001 OVERLAY PC EP 52 EP761 70 86V08G001 ASSY LAMP MOD 70 86V09G001 ASSY LAMP MOD ULE OSRAM 200W ULE PHILIPS 220W 23 8 7J15G001 OSRAM P VIP 23 8 M15G001 LAMP MODULE 200W 1 0 E20 6n 220W 1 0 E20 6 PHI 52 83F12G001 LAMP RUBBER HD72 61 83F12G001 LAMP CLAMP 61 86V18G001 LAMP FIX PLATE SUS301 t 0 3 HD72 SUS301 X19 61 88506G001 LAMP BRACKET 2 61 86V17G001 LAMP FIX PUSH SUS301 0 3t 220 PLATE SUS301 X19 76 83M02G002 OUTSIDE W A 42 83F06G001 CABLE W A 2P 22 85 95mm 22 110mm BALLAS FLUBO 61 86V04G002 LAMP HOLDER OS 61 86V04G012 LAMP HOLDER RAM E20 6 AL X19 PHILIPS E20 6 AL X EP752 EP763 Comparison List DC 87J01G001 D C EP752 DC 87501G001 D C EP763 70 87J01G001 ASSY TYPE X 70 87505G001 ASSY TYPE X ENGINE MODULE ENGINE MODULE EP752 EP763 61 86V24G001 DMD HEATSINK3 61 86V21G001 DMD HEATSINK2 AL X19 AL X19 61 86V19G002 OFF LIGHT HEAT 61 86V26G001 OFF LIGHT HEAT SINK AL X19 SINK 2 AL X19 61 86V11G003 ROD FIX PLATE 61 86V11G002 ROD FIX PLATE 5US301 X19 5US301 X19 70 87J02G001 ASSY MB PCBA 70 87506G001 ASSY MB PCBA EP752 EP763 80 87J01
20. 2 28 61 87K05G001 HONEYCOMBED FIXED HOLDER EP752 29 61 87K06G001 PHOTOCATALYSIS HONEYCOMBED FOIL EP752 Confidential Note Please refer to RSPL for updated part numbers 7 29 EP752 EP761_EP763 item P N Description 30 70 86V28G001 ASSYLAMP MODULE PHILIPS 260W 31 70 87K05G001 ASSY FAN 8025 MODULE EP752 32 70 87M05G001 ASSY BOTTOM COVER EP761 33 70 87M06G001 ASSY IO COVER EP761 34 70 87M07G001 ASSY TOP COVER EP761 35 70 87801G001 ASSY X19 LVPS MODULE EP763 36 70 87802G001 ASSY LAMP DRIVER EP763 37 70 87504G001 ASSY SYSTEM SUPPORT SHIELDING 38 70 87S05G001 ASSY TYPE X ENGINE MODULE EP761 39 70 87S06G001 ASSY MB PCBA EP763 40 70 87807G001 ASSY BLOWER 5020 EP763 41 85 005AGG075 Hex VO 4 40xH4xL7 5 Ni Nylok 42 85 1C224G051 SCREW PAN MECH M4 5 COLOR W TO 43 85 1F123G080 Screw Pan Spg Flt M3x8 Ni 44 85 WA123G060 Screw Pan Tap M3x5 Note Please refer to RSPL for updated part numbers Confidential 7 26 EP 52 EP 61 EP763 ASSY BLOWER 5020 EP763 P N Description 49 83N02G001 SUNON GB1205PKV4 AY 50 50 20 52 87306G001 RUBBER BLOWER FAN FRAME 2100MP Note Please refer to RSPL for updated part numbers Confidential 7 27 EP752 EP761 EP763 ASSY TOP COVER EP761_EP763 Item P N Description 1 41 83F22G001 GASKET W 5 H 1 5 L 7 2 51 87
21. 75MM BALLAST MAIN BOARD EP761 42 83M06G001 WA 2P 20 180MM LVPS TO LAMP DRIVER 2400MP CABLE W A 2P 22 160MM LAMP DRIVER TO LAMP EP1690 51 00138G001 SPACER SUPPORT SCK 3A 51 87K18G001 LIMIT SWITCH HOLDER EP752 75 87W01G001 ASSY PHILIPS LAMP DRIVER TopPremium VIDI 220W 75 87K03G001 ASSY LAMP DRIVER OSRAM BRK EP752 42 85F01G001 85 1F123G080 SCREW PAN MECH W SF M3 8 NI GREEN Note Please refer to RSPL for updated part numbers Confidential 7 21 EP752 EP761 EP763 ASSY BOTTOM COVER EP761_EP763 P N Description 75 87K02G001 ASSY INTERRUPT SWITCH MODULE EP 752 51 87K13G001 LENS CASE WXGA EP752 51 87K14G001 LENS DOOR EP752 51 87K15G001 IR LENS FRONT EP752 51 87K17G001 LENS DOOR SWITCH HOLDER EP752 75 87M04G001 ASSY BOTTOM COVER EP761 80 8 M05G001 PCBA IR SENSOR BD FOR EP761 85 WA123G080 Screw Pan Tap M3x8 Note Please refer to RSPL for updated part numbers Confidential 7 22 EP 52 EP 61 EP763 ASSY IO COVER EP761_EP763 oO S ekL is N OW O Vo LS sy A gt U N Ze E DA Dio O gt i G eo P N D
22. Board IR Lens 2 27 Confidential i EP752_EP761_EP763 Chapter 3 Troubleshooting LED Lighting Message Main Procedure System Block Diagram Chapter 4 Function Test amp Alignment Procedure Test Equipment Needed Service Mode Test Condition Inspection Procedure Chapter 5 Firmware Upgrade Equipment Needed Firmware Upgrade Mode Installation Procedure Firmware Upgrade Procedure Chapter 6 EDID Upgrade EDID Introduction Equipment Needed Setup Procedure EDID Key In Procedure Appendix A Appendix B Confidential TT 3 1 3 2 3 5 4 1 4 1 4 1 4 2 4 3 9 1 9 1 9 1 9 2 9 6 6 1 6 1 6 1 6 2 6 3 1 1 7 36 EP752 EP761 EP763 Chapter 1 Introduction 1 1 Highlight Die em en Dimensions WxHxD 295 0 x 95 7 x 222 0 mm Contrast ratio 7 Engineering typical 1700 1 Engineering minimum 1300 full on full off Engineering typical 80 DI SU Engineering minimum 70 Power Supply 100V 240V 10 50 60Hz Power EP752 280W Maximum Standby mode lt 10 Watt 9 RAR EP761 305W Maximum Standby mode lt 10 Watt P EP763 360W Maximum Standby mode lt 10 Watt e Color Wheel 6 Segment RYGCWB 2x Displayable 7 16 7 million colors 256 shades of gray colors EP752 200 watt lamp with Photocatalysis mesh O2 Air Lamp Type EP761 220 watt lamp with Photocatalysis mesh oe Air EP763 260 watt lamp with Photocatalysis mesh O2 Air 4 3 16 9 with support for 5 4 and
23. Confidential 2 27 EP752 EP761 EP763 Chapter 3 Troubleshooting 3 1 LED Lighting Message EP752 EP761 EP763 Lamp LED Power LED Temp LED LED Orange Green Amber Red Flashing Standby State 1 sec on 1 sec Input power cord Power on press power button Thermal sensor error T gt 44 C OSD shows red Over Temperature Fan lock error Flashing OSD shows red Fan 0 5 sec on 0 5 Fail sec off Lamp error Lamp ballast or color wheel fail Confidential 3 1 EP 52 EP 61 EP763 3 2 Main Procedure No Power Ensure the Power Cord and AC Power Outlet are securely connected Check Lamp Cover and Interrupt Switch Ensure all connectors are securely connected and aren t broken Check Lamp Driver Check LVPS Check Main Board 2 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 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 connectors are securely connected and aren t broken Check Main Board Check DMD Board Check Color Wheel Check DMD Chip Check Engine Module Confidential 3 2 EP 52 EP 61_EP 63 4 No Light On Ensure all connectors are securely connected and
24. G002 PCBA MAIN BD EN 80 87501G001 PCBA MAIN BD EN TEK FOR EP752 TEK FOR EP763 70 87K03G001 ASSY X19 LVPS 70 87501G001 ASSY X19 LVPS MODULE 230W MODULE EP763 EP 52 75 87J01G001 ASSY LVPS 75 88A02G001 ASSY LITEON MATRITEK 200W LVPS 260W XD1281 EP 52 70 87K04G001 ASSY LAMP DRIV 70 87502G001 ASSY LAMP DRIV ER OSRAM 230W ER EP763 EP 75 87J04G001 ASSY OSRAM 75 87501G001 ASSY PHILIPS LAMP DRIVER 260W LAMP 200W DRIVER 70 87K06G001 ASSY BLOWER 70 87507G001 ASSY BLOWER 9020 EP 752 9020 EP763 49 87J02G002 SUN GB1205PKV4 49 83F02G001 SUNON 50 20 AY 50 20mm BLOW LAMP BLOWER H72 EP752 EP763 70 87K07G001 ASSY TOP COVER 70 87M07G001 ASSY TOP COVER EP752 EP761 51 8 K22G001 LAMP COVER 51 8 K22G011 LAMP COVER FOR EP752 EP761 70 87K08G001 ASSY BOTTOM 70 8 M05G001 ASSY BOTTOM COVER EP752 COVER EP761 5 87K05G001 ASSY BOTTOM 75 8 M04G001 ASSY BOTTOM COVER EP752 COVER EP761 70 87K09G001 ASSY IO COVER 70 8 M06G001 ASSY IO COVER EP 52 EP761 51 87K19G001 IO COVER EP752 51 87K19G011 IO COVER FOR EP761 51 8 K24G001 OVERLAY PC 51 8 M05G001 OVERLAY PC EP 52 EP761 70 87K10G001 ASSY SYSTEM 70 87504G001 ASSY SYSTEM SUPPORT SHIELD SUPPORT SHIELD ING ING 5 87K01G002 ASSY SYSTEM 75 87S02G002 ASSY SYSTEM SUPPORT SHIELD SUPPORT SHIELD ING ING 51 8 407G001 MYLAR FOR INLET 51 87H20G002 FILTER HOUSING CUT EP752 P5260 70 86V08G001 ASSY LAMP MOD 70 86V28G001 ASSY LAMP MOD ULE OSRAM 200W ULE PHILIPS 260W XI 23 8 J15G001 OSRAM P VIP 23 8
25. J06G001 MYLAR FOR KEYPAD BOARD 3 51 87 K02G001 KEY BUTTON OUTER EP752 4 51 87 K03G001 KEY BUTTON INNER EP752 5 51 87K04G001 IR LENS TOP EP752 6 51 87K22G011 AMP COVER FOR EP761 7 75 87K04G001 ASSY TOP COVER EP752 8 80 87M03G002 PCBA KEYPAD BD1 ENTEK FOR EP761 9 85 1F123G080 SCREW PAN MECH W SF M378 NI GREEN Note Please refer to RSPL for updated part numbers Confidential 7 28 EP 52 EP 61 EP763 ASSY X19 LVPS MODULE EP763 y TALE 0 800 P N Description 42 00451G001 W A 16P 240mm LVPS TO MAIN BD 75 88A02G001 ASSY LITEON LVPS 260W XD1281 Note Please refer to RSPL for updated part numbers Confidential 7 29 EP752 EP761 EP763 ASSY LAMP DRIVER EP763 P N Description 75 87U02G001 ASSY INTERRUPTER SWITCH P5260 42 00471G001 W A 5P 28 75MM BALLAST MAIN BOARD EP761 42 83M06G001 W A 2P 20 180MM LVPS TO LAMP DRIVER 2400MP 42 85F01G001 CABLE W A 2P 22 160MM LAMP DRIVER TO LAMP EP1690 51 00138G001 SPACER SUPPORT SCK 3A 51 87K18G001 LIMIT SWITCH HOLDER EP752 75 87K03G001 ASSY LAMP DRIVER OSRAM BRK EP 752 75 8 501G001 ASSY PHILIPS 260W LAMPDRIVER EP763 85 1F123G080 SCREW PAN MECH W SF M3 8 NI GREEN Note Please refer to RSPL for updated part numbers Confidential 7 30 EP 52 EP 61 EP763 ASSY SYSTEM SUPPORT SHIELDING
26. MD Board Rod Adjustment If there are shadow at TOP amp Bottom side of the screen adjust Screw 1 to adjust ROD position If there are shadow yellow light blue light at Left amp Right side of the screen adjust Screw 2 to adjust ROD position Screw 1 should be adjusted first and then Screw D SE Screw 2 Note To avoid over adjust the rod After the operation please use the mucilage to fixed the screw Confidential 3 4 EP752_EP761_EP763 3 3 System Block Diagram DC To DC F Et Module Ballast Flash ROM SDRAM SRAM AC110 220V THOS VGA IN VGAZ IN VGA OUT S VIDEO IN de VIDEO CVBS Front IR Receiver AUDIO OUT AUDIO IN POWER KEY L Memory Interface I ADC DVI HDMI gt 14 3420 4 128PH60P lt 84 Obits IMAGE PROCESSING DDP2230 GAL TOAZ DVI A a TVP3146 Ballact Control pin eel CW Driver PMD1000 2 Ballast PMD1000 3 an TID Motor 1 Control Control Control BloweriFan BlowerZFan Blower3Fan CW or CW oS Fan or SYS LAMP Motor Keypad IR Receiver DRD CHIF Control p DAD hos Control ESTA AAN DMD BD DMD CHIP DAD1000 Reset ASIC CJ IC or Chipset U VO Interface CI Module EP752 EP 61_EP 63 3 5 Confidential Chapter 4 Function Test amp Alignment Procedure 4 1 Test Equipment Needed IBM PC with XGA resolution Color V
27. SERVICE MANUAL Model Name EP752 EP761 EP763 Prepared by SI VI Y Prepared by TSE d sr Viol Check by IDA we mda 2007 6 20 V1 0 Initial Issue 2007 7 6 V2 0 Add Appendix A and Appendix B 2007 8 8 V3 0 Add EP763 2007 11 7 V4 0 Modify Appendix B Copyright November 2007 All Rights Reserved P N 36 87M03G001 95 87M01GCOA 95 87M01GOOA 95 87J01GC0A 95 87J01G00A 95 87501GC0A 95 87 S016C01 95 87 501GC0B 95 875016C0C 95 87501GC0E 95 875016C0H 95 87501GC 0J 95 87501GC0K 95 87501GC0L 95 87501GC0T 95 87501GK0C EP752 EP761 Comparison List EP752 EP761 DC 87J01G001 D C EP752 DC 87M01G001 D C EP761 70 87J01G001 ASSY TYPE X 70 8 M01G001 ASSY TYPE X ENGINE MODULE ENGINE MODULE EP 52 EP761 61 86V24G001 DMD HEATSINK3 61 86V21G001 DMD HEATSINK2 AL X19 AL X19 70 87J02G001 ASSY MB PCBA 70 8 M02G001 ASSY MB PCBA EP752 EP761 80 87J01G002 PCBA MAIN BD EN 80 87M01G003 PCBA MAIN BD2 TEK FOR EP752 ENTEK FOR EP761 70 87K03G001 ASSY X19 LVPS 70 8 M03G001 ASSY X19 LVPS MODULE 230W MODULE EP761 EP 52 75 87J01G001 ASSY LVPS 75 8 M01G001 ASSY LVPS MATRITEK 200W MATRITEK 230W EP752 EP761 0 87U06G001 OSRAM O3 MID 70 87W09G001 PHILIPS VIDI 220W 200W LAMP DRIV LAMP DRIVER ER 75 87J04G001 ASSY OSRAM 5 87W01G001 ASSY PHILIPS LAMP DRIVER LAMP DRIVER 39 87J03G001 OSRAM 6S W42 39 8 M03G001 FW PHILIPS 68 WAVEFORM W42 WAVEFORM 70 87K07G001 ASSY TOP COVER 70 87M07G001 ASSY TOP COVER EP752 EP761 51 8 K22G
28. below to proceed Choose l accept and use in any sensitive nuclear chemical or biological weapons or missile technology end agree to be bou nd by uses unless authorized by the U S Government by regulation or specific license all the terms and Entre Agreement etc The terms and conditions of this Agreement merge and m l supersede all prior and contemporaneous agreements understandings negotiations and conditions of this discussions conceming the subject matter hereof No amendments or modifications to l this Agreement shall be effective unless m writing and signed by the authonzed License Ag reement representatives of both parties These terms and conditions will prevail notwithstanding l any different conflichng or additional terms and conditions that may appear on any ICON purchase order acknowledgment or other writing not expressly incorporated into this A Agreement Licensee hereby warrants and represents that all authonzahons and other 3 l Click N ext button applicable consents required empowenng you to enter into this Agreement have been obtamed e e gs Lp O ldo nota e terme sado ame ADOS E 4 Next Click Next button ien DLP Composer TM Lite 7 1 Setup Co Readme Information The following information describes this installation stili DLP Composer Tool Suite Release 7 1 Installation Location The default installation directory is C Program Files DLP Composer 7 1 If you want to install in a different directory perhaps
29. crews as yellow arrow 3 Unplug 9 connectors as red square 4 Unscrew 2 screws as red circle 5 Disassemble Audio Board Module and Main Board Module Audio Board Confidential 2 8 a DI Main Board EP752 EP761 EP763 2 8 Disassemble Left Cover and Right Cover 1 1 Release 3 tenons on the left side as red square 2 Disassemble Left Cover 3 Release 3 tenons on the right side as red square 4 Disassemble Right Cover Right Cover Confidential 2 9 EP752_EP761_EP763 2 9 Disassemble Fan Module 1 1 Unscrew 3 screws as red circle 2 Disassemble Fan Module 3 Unscrew 4 screws as yellow circle 4 Disassemble Fan and Bracket Confidential Bracket EP752 EP761 EP763 2 10 Disassemble LVPS Module 1 1 Unscrew 1 ground screw as yellow circle 2 Unscrew 4 screws as red circle 3 Unplug 3 connectors as red square 4 Disassemble LVPS Module LVPS Bracket Confidential 2 11 pai gt EP752 EP761 EP763 2 11 Disassemble Engine Module 1 Unscrew 1 screw as red circle 2 Disassemble Inner Mask Inner Mask Confidential 2 12 EP752_EP761_EP763 2 1 Unscrew 4 screws as red circle 2 Disassemble Engine Module Engine Module Confidential 2 13 EP752_EP761_EP763 2 12 Disassemble Thermal Switch Blower dcut rubber 1 Unscrew 1 screw to disassemble Thermal Switch as red circle 2 Disasse
30. ease refer to RSPL for updated part numbers Confidential ASSY MB PCBA EP761 j l 3 SCALE 0 800 qa IOWA TINI NS a Tavavavavavavaj die Confidential 7 18 EP752 EP761 EP763 P N Description 42 00303G001 FFC KEYPAD TO M B 24P P 0 5 120mm EP752 41 82G03G002 VO USB CONNECTOR GASKET W14 H2 L13mm 41 85E06G001 GASKET W13 L13 H1MM 9MM 51 82Y26G001 TAPE 3M J1350 45 45MM FOR MIRROR 1 DP715 51 87K32G001 MYLAR FOR MB 70 87 M08G001 ASSY AUDIO BD EP761 80 87M01G003 PCBA MAIN BD2 ENTEK FOR EP761 85 1F123G080 SCREW PAN MECH W SF M3 8 NI GREEN Note Please refer to RSPL for updated part numbers Confidential 7 19 EP 52 EP761_EP763 ASSY X19 LVPS MODULE EP761 E E ES il TI ei E item P N Description 1 42 00451G001 W A 16P 2100mm LVPS TO MAIN BD UL1007 EP752 2 75 87M01G001 ASSY LVPS MATRIEK 230W EP761 Note Please refer to RSPL for updated part numbers Confidential 7 20 EP752 EP761 EP763 ASSY LAMP DRIVER OSRAM EP761 P N Description 75 85507G001 ASSY INTERRUPTER SWITCH HD70 42 00471G001 W A 5P 28
31. escription 51 87K19G011 IO COVER EP761 51 87M05G001 OVERLAY PC EP761 Note Please refer to RSPL for updated part numbers Confidential 7 23 EP752 EP761 EP763 D C EP763 EP 52 EP 61 EP763 1 24 Confidential Item P N Description 1 85 1A323G040 Screw Pan M3x4 Black 2 85 1A323G080 Screw Pan M3x8 Black 3 85 WA123G080 Screw Pan Tap M3x6 4 41 82H02G001 EMI GASKET W5 H5 L77 5 41 85A01G001 EMIGASKET 10 27 20 6 41 87J01G001 EMIGASKET W15 H15 L15 mm 7 41 87M02G001 GASKET W3 H1 L80 8 41 87M05G001 GASKET W3 H1 L180 9 43 87S01G001 THERMAL SWITCH WITH BRACKET 10 51 81541G001 TAPE 3M J350 17 30mm 11 51 86V02G003 ENGINE MASK PLATE PPS X19 12 51 87J04G001 MYLAR FOR ZOOM RING 15 51 87J05G001 MYLAR FOR TOP SHIELDING EP752 14 51 87J11G001 87J GUARD LIGHT LEAK MYLAR 16 51 87K20G001 RIGHT COVER EP752 16 51 87K21G001 LEFT COVER EP752 17 51 87K23G001 INNER MASK EP752 18 51 87S01G001 MYLAR FOR LVPS EP763 19 52 86V11G001 BLOWER DUCT RUBBER PHILIPS 260 20 52 87J02G001 SPONGE FOR ZOOM RING EP752 21 52 87J03G001 87J GUARD LIGHT LEAK SPONGE 22 52 87J09G001 SPONGE FOR SLOT EP752 23 52 87S04G001 SPONGE TO CUT OFF EP763 24 61 00079G001 GROUNDING CABLE CLAMP FN 008 25 61 87340G001 STAND OFF M3 4L D8 0 2100MP 26 61 87H05G001 LVPS BRACKET 260W XD1171D 27 61 87K01G001 TOP SHIELDING EP75
32. ibutor for repairing and do not attempt to do anything that is complex or is not mentioned in the troubleshooting Notice The information found in this manual is subject to change without prior notice Any subsequent changes made to the data herein will be incorporated in future edition EP752 EP761 EP763 Service Manual Copyright November 2007 All Rights Reserved Manual Version 4 0 Confidential EP752 EP761 EP763 Table of Content Chapter 1 Introduction 1 1 Highlight 1 1 Compatible Mode 1 6 Chapter 2 Disassembly Procedure 2 1 Equipment Needed amp Product Overview 2 1 Disassemble Lamp Module 2 3 Disassemble Top Cover Module 2 4 Disassemble Keypad Board Keypad and FPC Cable 2 5 Disassemble Rear Cover 2 6 Disassemble Top Shielding 2 7 Disassemble Main Board Module and Audio Board Module 2 8 Disassemble Left Cover and Right Cover 2 9 Disassemble Fan Module 2 10 Disassemble LVPS Module 2 11 Disassemble Engine Module 2 12 Disassemble Thermal Switch Blow duct rubber 2 14 Disassemble Color Wheel and Photo Sensor Board 2 15 Disassemble DMD Chip and DMD Board 2 16 Disassemble Zoom Ring 2 17 Disassemble Focus Ring 2 18 Disassemble Rod Module 2 19 Disassemble Blower Module 2 20 Disassemble Honeycombed 2 21 Disassemble Limit Switch 2 22 Disassemble Engine Mask Plat and Lamp Driver 2 23 Disassemble System Support Shielding Module 2 24 Disassemble Speaker 2 25 Disassemble Lens Case Lens Door Lens Door Switch 2 26 Disassemble IR
33. ideo Signal amp Pattern Generator DVD player with Multi system equipped Component S Video and Composite Minolta CL 100 Quantum Data 802B or CHROMA2327 After changing parts check the information below Video Calibration 1 Turn on the Projector 2 Press Power Source Source and Up button sequentially 3 Service Mode will be shown 4 Choose Exit to leave the Service Mode after all Up button Power button Source button Confidential 4 1 EP752 EP761_EP763 4 3 Test Condition Circumstance Brightness Dark room less than 5 lux Inspection Distance 1 8m 2 5m for functional inspection Screen Size 60 inches diagonal wide After repairing each EP752 EP761 EP763 the unit should be Run in Refer to the table below Enter Burn In Mode Cycle setting is based on the defect symptoms ie If it is NFF the run in time is 4 hours You have to set the lamp on for 50min and lamp off for 10 min for 4 cycles Press power gt Source gt Source gt up Choose Burn In Test gt enter Lamp On Min Press right key to adjust the time 50 Lamp Off Min Press right key to adjust the time 10 Set burn in cycle Press right key to adjust the cycle After setting up the time choose Burn In mode and hit enter Screen Defects While replacing DMD Chip DMD BD and MB lt Figure Zone A amp B Definition gt Confidential 4 2 EP752 EP761_EP763
34. mble Blower duct rubber Confidential I EP752 EP761 EP763 2 13 Disassemble Color Wheel and Photo Sensor Board 1 1 Unscrew 2 screws as red circle 2 Disassemble Color Wheel Module 3 Unscrew 1 screw as blue circle 4 Disassemble Color Wheel and Photo Sensor Board Confidential Sensor Board EP752 EP761 EP763 2 14 Disassemble DMD Chip and DMD Board 1 1 Unscrew 2 screws to disassemble Heatsink and Support Rubber as red circle 2 Make the screw on DMD Board to Unlock as the picture A show 3 Disassemble DMD Chip and DMD Board Support Rubber Heatsink Picture A ene Note Remove thermal pad carefully and stick a new one if the thermal pad broken DMD Board DMD Chip Confidential 2 16 EP752_EP761_EP763 2 15 Disassemble Zoom Ring 1 Unscrew 1 screw as red circle 2 Disassemble Zoom Ring Zoom Ring Confidential 2 17 EP752_EP761_EP763 2 16 Disassemble Focus Ring 1 1 Unscrew 3 screws as red circle 2 Disassemble Focus Ring Focus Ring Confidential 2 18 EP752_EP761_EP763 2 17 Disassemble ROD Module 1 Unscrew 2 screws as red circle 2 Take off Mylar 3 Unscrew 3 screws as yellow circle 4 Disassemble ROD module ROD Spring Confidential 2 19 Support EP752_EP761_EP763 2 18 Disassemble Blower Module 1 Unscrew 3 screws as red circle 2 Disassemble Blower module Confide
35. ntial 2 50 Blower EP752 EP761 EP763 2 19 Disassemble Honeycombed 1 1 Unscrew 1 screw as red circle 2 Disassemble Honeycombed Honeycombed Confidential 321 EP752 EP761 EP763 2 20 Disassemble Limit Switch 1 Unscrew 1 screw as red circle 2 Disassemble Limit Switch Limit Switch Confidential 2 20 EP752_EP761_EP763 2 21 Disassemble Engine Mask Plat and Lamp Driver 1 1 Unscrew 1 screw as red circle 2 Disassemble Engine Mask Plat and Lamp Driver Engine Mask Plat Lamp Driver Bracket Lamp Driver Confidential 2 23 EP752_EP761_EP763 2 22 Disassemble System Support Shielding Module 1 1 Unscrew 2 screws as red circle 2 Disassemble System Support Shielding Module Mi l i il jl il wl System Support Shielding Module Confidential 224 EP752 EP761 EP763 2 23 Disassemble Speaker 1 1 Unscrew 2 screws as red circle 2 Disassemble Speaker Speaker Confidential 2 25 EP752_EP761_EP763 2 24 Disassemble Lens Case Lens Door Lens Door Switch 1 Unscrew 2 screws as red circle 2 Disassemble Lens Case Len Door Lens Door Switch Ecs na ER dll om LL e EN L A Pa m L A Lens Door Lens Case Lens Door Switch EP752 EP761 EP763 Confidential 2 25 Disassemble IR Board IR Lens 1 1 Unscrew 2 screws as red circle 2 Disassemble IR Board IR Lens IR Board
36. oftware for EB Texas Instruments DLP Processor Click Finish to clase the wizard ete De EP752 EP761 EP763 5 4 Firmware Upgrade Procedure Setup Enter in Firmware nade mode refer to the action of 5 2 Firmware upgrade mode Link PC USB port and projector USB port by USB Cable 2 Execute the DLP Compose TM Lite 7 1 3 Click Edit and Prefer ences 4 1 Click Library 2 Click Browse to search the library file library v7 1 0330 The library file located in the default installa tion directory is EA Program Files DLP Composer Lite 7 1 library v7 1 0330 If not press Browse to select the right path 1 Click Communica tions 2 Choose USB 3 Click OK Confidential DLP Composer Th Lite 7 1 Y DLP Composer TM Lite FICA kw Window Help Find Ctrl F Find Next F3 DLP Composer Preferences epmmunications zo path here do library files reside es Libra Communications Ou Win dow 1 Projector Interface 12C using Parallel Port DI2C using USB from http www devasys com D Serial Port DDP2000 DDP3020 DDP2000 DDP3020 5 6 Confidential ED EP7S2 EP761 EP763 Proceed ing Choose Flash Loader Click Browse to search the firmware file Select Skip Boot Loader Area to 32KB Click Reset Bus to erase the flash memory Note If the error mes sage
37. part numbers Confidential EP752_EP761_EP763 ASSY LAMP DRIVER OSRAM 230W EP752 Description 75 85507G001 ASSY INTERRUPTER SWITCH HD70 42 00471G001 W A 5P 28 75MM BALLAST MAIN BOARD EP761 42 83M06G001 WA 2P 20 180MM LVPS TO LAMP DRIVER 2400MP CABLE W A 2P 22 160MM LAMP DRIVER TO LAMP EP1690 51 00138G001 SPACER SUPPORT SCK 3A 51 87 K18G001 LIMIT SWITCH HOLDER EP752 5 87J04G001 ASSY OSRAM LAMPDRIVER 200W 75 87K03G001 ASSY LAMP DRIVER OSRAM BRK EP752 85 1F123G080 SCREW PAN MECH W SF M3 8 NI GREEN 42 85F01G001 Note Please refer to RSPL for updated part numbers Confidential 1 1 EP 52_EP761_EP763 ASSY FAN 8025 MODULE EP752_EP761_EP763 P N Description 85 1A323G080 Screw Pan M3x8 Black 41 87M02G001 GASKET W3 H1 L80 49 87J01G001 SUNON PSD1208PTV1 A 80 25mm AXIAL FAN 61 87H01G001 FAN 8025 BRACKET AL XD1171D Note Please refer to RSPL for updated part numbers Confidential EP 52_EP761_EP763 ASSY BLOWER 5020 EP752 EP761 P N Description 49 87J02G001 SUNON GB1205PKV5 AY 50 25mm BLOWER FAN 52 87306G001 RUBBER BLOWER FAN FRAME 2100MP Note Please refer to RSPL for updated part numbers Confidential EP752 EP761 EP763 ASSY TOP COVER EP752
38. re 7 42 83N06G001 PE 80 00001 001 VGA Cable _ Power Cord 42 87305G001 Confidential 6 1 EP 52 EP761_EP763 additional monitor for checking Projector the program EP761 execution Setup Procedure Connect 1 Power Adapter to Fixture JP1 All Ports 2 Fixture P1 to PC COM1 Port by RS232 Cable 3 Fixture P2 to Projector Analog Port 4 Fixture P3 to Projector Digital Port Adapter To Digital Port RS 232 Cable To Analog Port 2 Power On Power on Fixture Fixture Confidential 6 2 EP 52 EP 61 EP 68 EDID Key In Procedure Execute EDID Program Choose Model Confidential Click on EDID to execute EDID Pro gram 1 In the Port Selection Bar please choose the Port that you use Ex If you use COM 1 choose COM 1 in the Port selection Click on Model Choose the EDID that responses to the model that you choose LL OIL en neta Coin w EDID Application Version 0 51 OPTOMA Look im 2 EDID de ek FE CP OPTOMA_EP761_EDID_0503_A Files of type INI Files NI w Cancel we Open as read only T EP752 EP761 EP763 Change Cable to VGA Change Cable to DVI Key in Serial Number 1 Key in the Serial Number into the Barcode blank space In Write Source Select make a check in Analog and Digital Click Program EDID Application Version 0
39. s 8mm o o Confidential 2 1 EP752_EP761_EP763 Front Side Top Side Bottom Side Left Side Confidential 22 EP752 EP761 EP763 2 2 Disassemble Lamp Module 1 1 Release two tenons by Iweezers as red square 2 Disassemble Lamp Cover Note Release the both side tenons as the arrow show Then pull out the Lamp Cover 2 1 Unscrew 2 screws as red circle 2 Disassemble Lamp Module Lamp Module Confidential 23 EP752_EP761_EP763 2 3 Disassemble Top Cover Module 1 1 Unscrew 5 screws as red circle 2 Disassemble Top cover module Top cover module Confidential Dell EP752 EP761 EP763 2 4 Disassemble Keypad Board Keypad and FPC cable 1 1 Unscrew 2 screws as red circle 2 Release 2 tenons as yellow square 3 Unplug 1 connector as red square 4 Disassemble Keypad Board Keypad and FPC cable Confidential Keypad Board FPC Cable EP752 EP761 EP763 2 5 Disassemble Rear Cover 1 Unscrew 8 hex screws as red circle 2 Disassemble Rear Cover Rear Cover Confidential 5 6 EP752 EP761 EP763 2 6 Disassemble Top Shielding 1 1 Unscrew 3 screws as red circle 2 Disassemble Top Shielding Note The place as yellow circle should match with the fillister of the focus ring Confidential 27 EP752_EP761_EP763 2 7 Disassemble Main Board Module and Audio Board Module 1 1 Take off Mylar directly 2 Unscrew 4 s
40. t 0400008000 Size 0x002266D0 0x3a0000 Ox3b0000 0x3c0000 0x3d0000 NvTennnn Lier ar IE Pies RAT ver Gir ld Security Code cia Iria Factory Rest Burn im Spoke Teat eat Pattern AO DEC Color Error L og 06 Form EP752 EP761 EP763 Chapter 6 EDID Upgrade EDID Introduction Extended Display Identification Data is a VESA standard data format that contains basic information about a display device and its 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 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 monitor and system can work together Note If a display device has digital input ports like DVI or HDMI but without EDID in its main board the display device will show no image while the input source is digital signal Equipment Needed Software EDID Program Generic V0 51 EDID File EP752 EP761 EP763 ini Note The EDID upgrade procedure for EP752 EP761 EP763 is the same Here we take EP761 as an example Hardware Generic Fixture for EDID Key in RS 232 Cable F M 42 83618G001 Power Adapter for Fixture DVI Cable Generic Fixtu
41. te File PUNA View Window Help DER DLP Composer Lite Projector Control Status Interface USB vendor 0x451 product 0x2000 Use Edit gt Preferences to configure the communication interface Erasing Address 0xC0000 CLLELELLELELEL Image Data hex Checksum hex Start 0 00008000 Expected 0x0C739B00 Size 0x002266D0 Retumed load 0x3a0000 Ox3b0000 0x3c0000 0x3d0000 0x3e0000 0x3 0000 Confidential 5 7 EP752 EP761 EP763 Firmware Confidential Procedure 1 When Firmware Upgrade Process is finished the LED power light on 2 Unplug USB Cable and Power Cord Re plug in Power Restart the unit and enter the Ser vice Mode Then choose Information and Reset item to check the Firmware Version For entering Service Mode please refer to Chapter 4 Function Test and Alignment Proce dure Y DLP Composer TM Lite File Edit View Window Help EBEE E N x DLP Composer Lite Projector Control Onti Flash Loader dptions Flash Image File MAT sc 800 Disk1AProduct management FPDXAC v Skip Boot Loader Area 32 KB w C Enter range of Image Data to be updated in Hex Start DO End Do Status Interface USB vendor 0x451 product 0x2000 Use Edit gt Preferences to configure the communication interface w l i 11 do Flash Loader Download complete Checksum hex Expected 0x0C739B00 Returned 0400739800 Image Data hex Star
42. tor off Green Normal Projector on N O Error Indication Lamp Red Flash red if fan locked Temp Red For EP752 Engineering typical 2300 lumens Engineering minimum 1950 lumens For EP 61 Engineering typical 2600 lumens Brightness Engineering minimum 2200 lumens For EP 63 Engineering typical 2900 lumens Engineering minimum 2450 lumens Confidential 1 3 EEE Es Indicator Flash Green Warm up Go to Normal mode Lights Flash Amber Cooling down Go to Standby mode DMD Single 0 55 XGA type X DMD chip DDP2230 EP752 EP761 EP763 2 Compatible Mode Analog wo jm us sas Ju EZ m 5 EZ sso je E oso un EZ m mn um CZW COME am RES CZW Ju ms CO ES o EZ re LIRI e ES ousa no E KI CO Tea lt G gt A G gt Confidential 1 4 EP752 EP761 EP763 nei motion vemeenp rre rome wo oe Momo ju us mas foie Confidential 1 5 EP752_EP761_EP763 Digital V Sync Hz Horiz Freq KHz 640x350 640x350 640x400 w fe Confidential 1 6 EP752_EP761_EP763 sa Je fe fe Moo ju EZ mom rn fe Moo m_ we me fs 9 EM o Tea CN ses EM CWA ea o O fom h E O fam e EZ O am fe w mo ro fo E Do fam no EX DO mm no EZ se mm jo E Confidential 1 7 EP752 EP761_EP763 Chapter 2 Disassembly Process 2 1 Equipment Needed amp Product Overview Screw Bit Hex Sleeves 107 5mm DI Hex Sleeves Tweezer
43. use the Analog Port choose Analog in the Read ti EDID Application Version 0 51 OPTOMA Item Click on Read to 3 Barcode read EDID information EDID Informations The EDID oda eee ga Informations will Week show the result Year 22007 Note After pressing Read if Model Optoma EP761 the code in the Product TOFT Serial Blank is scrambled please make a check in Write Source Select Read item Trans Analog GAMA LOI e Digital z f w Digital 4 Click Reset to VW Trans do the next unit or Exit to close the ZA EDID program com Message PS Finish Standby OK Both Analog and Digital are needed to be checked Confidential EP752 EP761 EP763 Appendix A Exploded Overview D C EP752 ZAL 7 1 EP752 EP761 EP763 Confidential P N Description 85 1A323G040 SCREW PAN MECH M3 4 BLACK 85 1A323G080 SCREW PAN MECH M3 8 BLACK GREEN 85 WA123G060 SCREW PAN TAP M3 8 NI 51 86V02G001 ENGINE MASK PLATE PPS X19 51 87K20G001 RIGHT COVER EP752 51 87K21G001 LEFT COVER EP752 51 87K23G001 INNER MASK EP752 51 87K28G001 MYLAR FOR LVPS EP752 O NO OO AO MN 51 87 K31G001 MYLAR BETWEEN LVPS AND ENGINE 61 00079G001 GROUNDING CABLE CLAMP FN 008
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