Optoma EP770 Serivce Manual Download Page 42

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EP770

Confidential

Step

Procedure

Photo

Connect

All Ports

1. Power Adapter to Fixture JP1
2. Fixture P1 to PC COM1 Port
3. Fixture P2 to HD72 DVI Port by

VGA-DVI Cable.

P/N.: 80.58704.00

Power On

Fixture

Power on Fixture

Execute

EDID

Program.

Click on “EDID” to execute EDID
Program.

Item

Photo

Item

Photo

One additional monitor

(for checking the program

execution)

Setup Procedure

EDID Key-In Procedure

Step

Procedure

Photo

JP1

Summary of Contents for EP770

Page 1: ..._________________________________ Checked by ________________________________________ Approved by ________________________________________ Model Name EP770 Date Version Description 2006 12 28 V1 0 Initial Issue Copyright Dec 2006 All Rights Reserved P N 36 86S03G001 SERVICE MANUAL ...

Page 2: ...ciate 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 distributor 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 herei...

Page 3: ...7 Remove Lamp Driver and Fan Module 2 8 Remove LVPS 2 9 Remove Engine Module 2 10 Remove Bottom Cover 2 12 Chapter 3 Troubleshooting 3 1 Equipment Needed 3 1 LED Lighting Messsage 3 1 LED Procedure 3 2 Chapter 4 Function Test and Alignment Procedure 4 1 Test Equipment Needed 4 1 Service Mode 4 1 Reset OSD 4 2 Test Condition 4 2 Inspection Procedure 4 3 Chapter 5 Firmware Upgrade Procedure 5 1 Equi...

Page 4: ...D Introduction 6 1 Equipment Needed 6 1 Setup Procedure 6 2 EDID Key In Procedure 6 2 Appendix Appendix A 7 1 Exploded Overview 7 1 Appendix B 7 21 I Serial Number System Definition 7 21 II PCBA Code Definition 7 22 Reader s Response 7 23 Confidential ...

Page 5: ...in stereo mini jack x 1 Kensington slot x 1 Inlet vent x 1 5 Lamp housing Removable lamp module with replaceable lamp Lamp should be provided by Coretronic or its authorized agencies and changed by following the instruction on user s manual 6 Tilt angle 6 degree with elevator mechanism 7 Lamp Door Protection Lamp power supply shut off automatically when door open 8 Power supply 100 240VAC 3A 50 60...

Page 6: ...ns ECO mode 17 Contrast Full on off 1500 1 Typ 1000 1 Min 18 Uniformity JBMA 75 Typ 60 Min ANSI max 50 19 Projection lens 1 2x manual zoom F number 2 4 2 65 2 36m Focal length 28 04 35 59 mm 2 36m 20 Throw ratio 2 0 2 41 1 distance width 21 LED indicator Power Lamp Temperature 22 Lamp life 1800 hours with 50 survival rate 50 maintenance to initial lumens at full power mode 23 Lamp type Pilips E19 ...

Page 7: ...raditonal Chinese Simplified Chinese Japanese Korean 27 Color Wheel R90Y30G80W86B74 28 Acoustic Noise Level Full power Max 38dB A typical 36 dB A at 23 2 29 Quick shut down 30 seconds 30 Input Terminals DVI I Digial YPbPr w HDCP D sub 15pin x 1 Analog RGB Component video SCART RGB RCA yellow x 1 Composite Video SCART RGB Mini DIN 4pin x 1 S Video Stereo Mini Jack Audio input ...

Page 8: ... 640 x 400 85 640 x 480 60 640 x 480 72 640 x 480 75 640 x 480 85 720 x 400 70 720 x 400 85 SVGA 800 x 600 56 800 x 600 60 800 x 600 72 800 x 600 75 800 x 600 85 XGA 1024 x 768 60 1024 x 768 70 1024 x 768 75 1024 x 768 85 SXGA 1152 x 864 60 1152 x 864 75 1152 x 864 85 1280 x 960 60 1280 x 960 75 1280 x 1024 60 ...

Page 9: ...0 Confidential 1 Compatibility Resolution V Sync Hz 1280 x 1024 75 MAC 16 832x624 74 55 MAC 19 1024x768 75 MAC 1152x870 75 06 MAC G4 640x480 60 i Mac DV 1024x768 75 i Mac DV 1152x870 75 i Mac DV 1280x960 75 ...

Page 10: ...n you disassemble the projector be sure to put the screws in a safe place and separate them according to their category Equipment Needed Chapter 2 General Information Before You Begin Before proceeding with the disassembly procedure make sure that you do the following procedures 1 Turn off the power of the system and all the peripherals 2 Unplug the AC adapter and all power and signal cables from ...

Page 11: ...EP770 Confidential 2 No Procedure Photo 1 Unscrew 2 screws to remove the Lamp Cover 2 Unscrew 2 screws to remove the Lamp Module 1 Remove Lamp Module Mechanical Disassembly Procedure ...

Page 12: ...ews to remove the Front Cover Note Please pay attention to the two tenons on both side when pull upward the front cover Note for Assembly Please follow step a b to assembly the front cover Note Note for Assembly a b 2 Remove Front Cover Back Cover Top Cover ...

Page 13: ...770 Confidential 2 No Procedure Photo 2 Unscrew 6 hex screws and 2 screws to remove the Back Cover 3 Unscrew 3 screw in the Bottom Cover and 1 FPC connector unplug IR Receivers to remove Top Cover Module ...

Page 14: ...D Main Button No Procedure Photo 1 Remove mylar and IR Sensor Board 2 Disassemble Top Cover Keypad BD Main Button a Unscrew 3 hex spacers b Unscrew 4 screws to remove Top Shelding Note for assembly add 3M sticker in C2 position to avoid to damage FPC wire ...

Page 15: ...EP770 Confidential 2 4 Remove Main Board No Procedure Photo 1 Unplug 9 connects unscrew 5 screws in the Top and then un plug 1 connector in the Bottom to remove the Main Board ...

Page 16: ...EP770 Confidential 2 5 Remove Elevator and Shielding Cover No Procedure Photo 2 a Take off the Elevator Foot Rubber and unscrew 1 screw to remove the elevator b Unscrew 2 screw to remove the elevator ...

Page 17: ...770 Confidential 2 6 Remove Lamp Driver and Fan Module No Procedure Photo 1 a Unscrew 2 hex screws 2 screws and unplug 2 connectors to remove the Lamp Driver b Unscrew 3 screws to remove Axial Fan Module ...

Page 18: ... No Procedure Photo 1 a Unscrew 2 hex screws 4 screws and unplug 1 grouding wire with 1 screw to remove the LVPS b Unplug 2 connectors to separate the LVPS Note When assemble LVPS and MB LVPS Cable has to follow direction as Map showed ...

Page 19: ... Confidential 2 10 8 Remove Engine Module No Procedure Photo 1 Unscrew 2 screws to remove Fan module 2 a Unscrew 4 screws to remove the Engine Module b Unscrew 3 screws to remove Blower and Interlock switch ...

Page 20: ...to 3 Unscrew 4 screws to remove the Heatsink Module 4 Unscrew 4 hex screws to disassemble the other Engine Module 5 Unscrew 1 screw to remove the Color Wheel 6 Unscrew 1 screw to remove the Photo Sensor Board 7 Take the Zoom Ring off directly ...

Page 21: ...EP770 Confidential 2 12 9 Remove Bottom Cover No Procedure Photo 1 Remove Light Cut a Remove 2 screws to remove the light cut top b Remove Light Cut side directly a Light Cut top b Light Cut side ...

Page 22: ...EP770 3 Confidential 3 1 Equipment Needed PC or Pattern Generator DVD Player Video S Video Audio Quantum Data 802B or CHROMA 2327 Chapter 3 Troubleshooting 3 2 LED Lighting Message ...

Page 23: ...el 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 4 No Light On Ensure all connectors are securely connected...

Page 24: ... 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 Dust Out of spec Ensure the Projection Screen without dirt Ens...

Page 25: ...heck Keypad 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 Rod position If there are shadow yellow light blue light at Lift Right side of the screen adjust Screw 2 to adjust Rod position Screw 1 should be adjusted first then Screw 2 1 2 ...

Page 26: ...HROMA2327 After changing parts check the information below Charge 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 1 Turn on the Projector and input the signal 2 Do the following action sequentially to enter service mode menu Press these buttons sequentia...

Page 27: ...70 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 saved change again and restore the OSD default setting The following actions will allow you to erase all end users settings and restore the original setting 1 Please enter OSD menu 2 To execute Reset funct...

Page 28: ...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 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 Trac...

Page 29: ...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 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 chec...

Page 30: ...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 1024x768 60Hz Test Pattern Gray 10 Patterns Please check and see if the light leaks Note The unit cannot accept the leakage is brighter than Gray 10 Patterns Note Light leak on reflective edge eyecatc...

Page 31: ...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 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 color should be norm...

Page 32: ... 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 patterns Test Pattern Gray 30 12 Blemish Dark The dark blemish cannot be accept ed if the problem appear with Blue 60 patterns Test Pattern Blue 60 ...

Page 33: ...B DLP Composer Version 6 0 Firmware EP770 Library files Hardware Firmware Upgrade Mode Before doing firmware upgrade please get into firmware mode first How to get in firmware mode Press and hold Menu button then turn on the Power switch Menu button must be held until Temp and Lamp LED light up Chapter 5 Firmware Upgrade Procedure ...

Page 34: ...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 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 35: ...EP770 Confidential 5 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 36: ...t for about 3 secs 3 Once Power Lamp Temp LED lights up plug in USB Cable into the Projector 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 37: ...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 are properly installed Click Jungo to ensure DDP2000 and Win driver are properly installed If not repeart Step 1 5 Device Manager ...

Page 38: ... Note The system fan will not function The light will not function as well 2 Set up Link PC USB and pro jector 3 Execute the DLP Com poseTM file 4 Click Edit and Prefer ences 5 1 Click Library 2 The library path located in the default installation directory is C Program Files DLP Composer If not press Browse to select the right path 6 1 Select Edit Prefer ences Communi cations and choose USB 2 Cli...

Page 39: ... 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 unplug the USB Cable Driver and replug then re do 4 Click Reset Bus to erase the flash memory 8 1 If the firmware is ready click Start Download to process the firmware upgrade 2 Click Yes to erase the flash memory ...

Page 40: ...0 1 When Firmware Upgrade Process is finished the LED power flashs 2 Unplug USB Cable and Power Cord Re plug in Power Cable 11 Check Firmware Restart the unit and enter the Service Mode to check the Firmware Version For entering Service Mode please refer to Chapter 4 Function Test ...

Page 41: ...ding 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 conf...

Page 42: ...ort 3 Fixture P2 to HD72 DVI Port by VGA DVI Cable P N 80 58704 001 2 Power On Fixture Power on Fixture 1 Execute EDID Program Click on EDID to execute EDID Program Item Photo Item Photo PC One additional monitor for checking the program execution Setup Procedure EDID Key In Procedure No Step Procedure Photo P1 JP1 P3 P2 ...

Page 43: ...Port selection 2 Click on Model 3 Choose the EDID that responses to the model that you choose 3 Key in Serial Number 1 Key in the Serial Number into the Barcode blank space 2 Click Program 5 Change Cable to VGA Please change the Cable to VGA message is shown on the screen Connect the port P2 of fixture to the DVI port of EP770 by VGA DVI Cable Click OK 3 1 2 3 2 1 ...

Page 44: ...e message OK will appear on the screen 8 Check the whole process 1 In the Read Item Selections choose the Port that you use Ex If you use the Analog Digital Port choose Analog Digital in the Read Item Note After clicking Read if the code in the Serial Blank is scrambled please make a check in Trans 2 Click on Read to read EDID information 3 The EDID Informations will show the result 4 Click Reset ...

Page 45: ...7 EP770 Confidential Appendix Exploded Overview 1 EP770 Unit ...

Page 46: ...6S09G001 ASSY BOTTOM BASE MODULE EP770 11 61 80W05G001 LIGHT CUT OUTSIDE 2300MPX 12 61 80W06G001 LIGHT CUT TOP 2300MPX PHILIPS 13 51 80N05G002 ZOOM RING PC ABS EP738 14 61 85S05G001 MB BRACKET HD70 15 51 86S01G001 MYLAR FOR TOP COVER EP770 16 52 80S03G002 ELEVATOR RUBBER FOOT BLACK TDP T90 17 70 86S13G001 ASSY AXIAL FAN MODULE EP770 18 70 83J18G001 ASSY SPEAKER MODULE PD527 19 70 86S12G001 ASSY PC...

Page 47: ...060 SCREW PAN MECH W SF M3 6 BLACK 29 51 80S17G011 ELEVATOR FOOT PC ABS EP739 30 80 86S05G001 PCBA IR SENSOR BD EP770 31 51 80N04G011 LAMP COVER PC ABS HD70 32 41 80N05G001 EMI GASKET W15 H15 L30 33 75 86S01G001 BUY ASSY BOTTOM COVER EP770 34 52 80W07G001 PORON ENGINE TO FANGUIDER 2300MP 35 85 1F126G080 SCREW PAN MECH W SF M2 6 8Ni 36 41 82K09G001 EMI TAPE 30 50mm 37 41 82B10G001 VGA GASKET W19 H1...

Page 48: ...t NO Description 1 52 80N06G001 SPONGE FOR BLOWER DUCT BF1000 t 3 3mm EP739 2 49 83J01G001 70x20 SYSTEM FAN SUNON GM1207PKVX A R TYPE 3 41 80N04G001 EMI GASKET W10 H6 5 L80 4 52 80W01G001 RUBBER FOR FAN7020 2300MPX 5 61 80N07G001 FAN BRACKET SECC EP739 ...

Page 49: ...7 EP770 Confidential Item Part NO Description 1 51 83J27G003 PCBA MAIN MYLAR PD528D 2 52 80N07G001 M B ABSORPTION NOISE CVS 15 t10mm L40 3 80 86S01G001 PCBA MAIN BOARD EP770 XGA ASSY PCBA MAIN MODULE ...

Page 50: ...n 1 42 81R11G001 CABLE W A 5P 28 170mm LAMP DRIVER TO M B DV10 2 51 00138G001 SPACER SUPPORT SCK 3A PINGOOD EP739 3 51 80N13G001 LAMP DRIVER HOLDER PC ABS XL 300 4 75 85F01G001 ASSY PHILIPS LAMP DRIVER 220W 5 42 85F01G001 CABLE W A 2P 22 160mm LAMP DRIVER TO LAMP EP1690 ...

Page 51: ...7 EP770 Confidential ASSY BOTTOM BASE MODULE ...

Page 52: ...6713G001 ELEVATOR SPRING SUS 304 0 4 OD4 4 L12 EP731 11 61 87220G001 ELEVATOR SPRING 0 D φ4 5 W D φ0 3 L 65mm 12 61 87335G001 ELEVATOR SPRING SUS304 Φ0 4 0D4 74 L8 3mm 13 61 80N03G001 LVPS HOLDER SECC EP739 14 70 86S02G001 ASSY DMD FAN MODULE EP770 15 61 80N14G001 BOTTOM MESH SQUARE 1 1mm HOLE 16 61 82V04G001 TOP COVER SHIELDING SPTE PD120 17 70 83J17G001 ASSY BLOWER FAN MODULE PD527 18 85 4A326G0...

Page 53: ...S 224 5 3 APU t 4 0mm EP739 32 85 1F123G080 SCREW PAN MECH W SF M3 8 NI GREEN 33 61 80T06G001 HEX SPACER M3 W5 L29 5 COPPER PD521 34 61 80S06G001 CARD GUIDE BRKT SECC 1 0t TDP T90 35 70 83J13G001 PRE ASSY LVPS LITEON PD527 36 61 80N01G014 BOTTOM BASE Mg ALLOY EP770 FOR M3 CEILING MOUNT 37 41 81U01G001 EMI GASKET W17 H7 L40mm 38 41 81U02G001 EMI TAPE W40 L40mm 39 61 85S04G001 HEX SPACER M3 3 W5 L29...

Page 54: ...SUS301 0 3t EP1690 3 51 80J02G002 LAMP BOTTOM 739 PPS 4 61 80W16G003 LAMP INSULATOR AL NITTO 5011N 2300MP 5 61 00018G002 LOCK SCREW PAN MECH M3 8 5 3 5 BLACK 6 52 85F04G001 SILICON RUBBER FOR LAMP EP1690 7 52 85F05G001 LAMP INSULATOR SILICONE RUBBER EP1690 8 61 85F01G001 LAMP HOLDR Mg PHILIPS EP1690 9 75 86S05G001 BUY ASSY LAMP LIGHT CUT PHILIPS E19 EP770 ...

Page 55: ... 220W 170W 1 0 12 23 80S10G011 LAMP COVER GLESS OF DP739 SERIES WITH 13 61 83F11G001 LAMP ANTIGLASS LAMP SUS301 t 0 25 HD72 14 61 83F10G001 LAMP MESH OUT OSRAM SUS301 t 0 1 HD72 15 42 80W11G002 CABLE W A 2P 18 50 70mm OUTSIDE FOR LAMP 2300MP 16 85 1A626G050 SCREW PAN MECH M2 6 5 BLACK NYLOK 17 61 87125G001 LAMP HADNLER SUS304 ...

Page 56: ... Part NO Description 1 85 WA321G040 SCREW PAN TAP M1 7 4 BLACK 2 23 85Y01G001 YM06H 1 2X XGA ZOOM PROJECTION LENS 3 51 89608G001 FOCUS RING PC ABS C6200 EP759 4 51 89626G001 REPLACE RING PC ABS C6200 EP759 ASSY DPTICAL LENS MODULE ...

Page 57: ...7 13 EP770 Confidential Item Part NO Description 1 61 85F06G001 BLOWER FAN DUCT PHILIPS E19 220 AL ADC12 2 52 88510G002 BLOWER DUCT PORON BF 1000 NITTO 5011N 2200MP ASSY BLOWER DUCT MODULE ...

Page 58: ... BD PD526 2 85 1A626G040 SCREW PAN MECH M2 6 4 BLACK NYLOK 3 23 86R19G001 YO 5seg R90Y30G80W86B74 FOR EP749 4 51 80J38G002 MYLAR CW SUPPORT 739 FRPP 0 125t 5 52 83615G001 COLOR WHEEL DISC RUBBER EzPro755 6 61 80J08G002 CW HOLDER 739 SECC 1 2t 7 61 83628G002 COLOR WHEEL SHOULDER SCREW NICKEL M2 4 8 FILLIST ...

Page 59: ...7 15 EP770 Confidential SUB ASSY ENGINE MODULE ...

Page 60: ...LENS MODULE EP770 9 70 83J19G001 PRE ASSY ENGINE BOTTOM MODULE PD527 10 70 83J02G001 SUB ASSY ENGINE MODULE PD527 11 70 83J04G001 ASSY ROD MODULE PD527 12 70 86S06G001 ASSY BLOWER DUCT MODULE EP770 13 70 86S05G001 ASSY COLOR WHEEL MODULE EP770 14 75 80W15G004 BUY ASSY ZOOM RING STOP EMI MODULE EP738 15 85 1A326G060 SCREW PAN HEAD MECH M2 6 6 BLACK 16 85 1A526G060 SCREW PAN MECH M2 6 6 Ni NYLOK 17 ...

Page 61: ...XCONN 2 48 858DMGD13 DMD 1024 768 PIXEL DDR FTP 0 7 XGA 3 51 80B31G002 DMD INSULATOR MYLAR 0 435t T90 4 52 80J01G001 DMD ANTIDUST RUBBER 739 SILICONE RUBBER 5 52 87130G001 RUBBER BLOWER 595925 6 52 87319G001 DMD THERMAL PAD 18 13 0 5t 7 61 83J16G001 DMD LIGHT MASK FOR GLASS RELAY PD527 8 61 88605G001 DMD HEATSINK A1070 Ivy10X ...

Page 62: ...6061 739 10 61 88608G001 DMD HEATSINK SPRING PLATE SUS301 0 4t Ivy10X 11 61 88611G001 DMD SCREW Ivy10X 12 70 86S04G001 SUB ASSY ENGINE MODULE EP770 13 70 83J02G001 SUB ASSY ENGINE MODULE PD527 14 85 1A523G040 SCREW PAN MECH M3 4 NYLOK 15 51 80W33G001 ENGINE BOTTOM MIRROR1 TAPE 3M J350 2300MP ...

Page 63: ...tial Item Part NO Description 1 61 86S01G002 LVPS PLATE AL 5052 T 0 8mm EP770 2 85 1A626G050 SCREW PAN MECH M2 6 5 BLACK NYLOK 3 49 83J04G001 45x10 DMD BLOWER SUNON B1245PFV1 8A BLACK COVER R TYPE ASSY COLOR WHEEL MODULE ...

Page 64: ...0 3 75 86S03G001 BUY ASSY BUTTON MODULE EP770 4 80 86S03G001 PCBA KEYPAD BOARD EP770 5 85 ZA123G040 SCREW WCH W MECH M3 4 Ni GREEN 6 42 83J04G002 CABLE FFC 14P P 0 5 150mm PD527 7 51 80N01G001 TOP COVER PC ABS EP739 8 51 81541G001 TAPE 3M J350 17 30mm 9 41 80F02G001 EMI TAPE 50 60mm 10 41 85S03G003 EMI gasket W20 H1 L235 mm ASSY ROD MODULE HD73 ...

Page 65: ...Ver 1st of BIOS and Ver 1 of PCB Board Both mechanical and optical version are 1st In addition panel vendor is TI It s produced on 48s week of 2006 for universal area and its serial code is 1001 A Optoma B Z OEM Product code ex 86S EP770 Y Last number of the year ex 2005 5 Week of year Panel vendor code Electrical classification 1 110V 2 220V 0 universal B BIOS version E PCB board version M Mechan...

Page 66: ...7 22 EP770 Confidential 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 67: ...tion 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 after reading HD73 Service Manual Unit Excellent Good Fair Bad 1 Introduction 2 Disasaembly Procedure 3 Troubleshooting 4 Function Test Alignment Procedure 5 Firmware Upgrade Procedure 6 DDC key in Proc...

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