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SERVICE MANUAL
Model Name : EP758/EP759
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Copyright July, 2004 . All Rights Reserved
Document #896-G04-01A . P/N: 36.89601.001
Prepared by SI :
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Prepared by TSE :
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Check by :
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Approved by :
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Table of Contents
Related Manuals for Optoma EP758
Summary of Contents for Optoma EP758
- Page 1 SERVICE MANUAL Model Name : EP758/EP759 Prepared by SI : ________________________________________ Prepared by TSE : ________________________________________ Check by : ________________________________________ Approved by : ________________________________________ t i n Copyright July, 2004 . All Rights Reserved Document #896-G04-01A . P/N: 36.89601.001...
- Page 2 Preface This manual is prepared for the maintenance service for EP758/EP759 Micro-portable XGA DLP Projector. Maintenance procedures described in this manual are intended to isolate faulty parts and replace them in the field. It also aims to serve as a guide in procuring replacement parts for this product.
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Page 3: Table Of Contents
Chapter 3 Troubleshooting Equipment Needed Main Procedure Chapter 4 Function Test and Alignment Procedure Product Test Equipment Test Condition Test Display Modes and Pattern Inspection Procedure Chapter 5 Firmware Upgrade Procedure Equipment Needed Hardware Setup Procedure Firmware Program Installation Procedure EP758/EP759... - Page 4 Chapter 6 DDC Key-in Procedure Equipment Needed Setup Procedure DDC Key in Procedure Appendix A Exploded Overview Appendix B 7-37 Serial Number System Definition 7-37 Reader’s Response 7-38 EP758/EP759...
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Page 5: Chapter 1 Introduction
Auto detection of computer signal input. Auto Image.(Auto-tracking /frequency /position adjustment) Automatically saves adjustments for future use On-screen menu with 11 languages(EP758) / 9 languages(EP759) One DVI input ( Including Analog and Digital RGB signal ) with HDCP function Wireless remote controller EP758/EP759... -
Page 6: Optical Specification
Optical Specification Technology Single 0.7” XGA DDR DMD chip Resolution 1024 x 768 Brightness Specification: 2500(EP758) / 3000(EP759) lumens Typical output: 2000(EP758) / 2600(EP759) lumens Contrast ratio Specification: 1500:1 full on/full off Typical output: 1300:1 Minimum: 1000:1 full on/full off... -
Page 7: Electrical Specification
One Audio input for every input- (Phone Jack, Stereo) Outputs One 15pin D-Sub Output One audio out Audio Two watt built in two speakers respectively Lock One Kensington key lock hole Tilt angle 7 degrees with elevator mechanism EP758/EP759 Coretronic Corporation... - Page 8 Standby mode - < 10 Watt @ 110V AC Operational noise 36 dB(A) 300W(EP759) Normal mode 33 dB(A) 250 W(EP758) Normal mode Input signal spec. Hsync Frequency 15 ~ 100 kHz Vsync Frequency 43 ~ 120 Hz Video Signal RGB (PC) -Analog RGB 0.7Vp-p, 75 ohm, Separate TTL H,V Sync.
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Page 9: Mechanical Specification
Approximate 8lbs Unit dimension (W X D X H) inner dimension 335*250*100 (mm) Cooling System Advanced air flow Three(EP758) / Four(EP759) fans with low system acoustic noise level Temperature control circuits with adaptive voltage control fan speed Tilt Angle 7 degrees with elevator mechanism Keystone correction ±... -
Page 10: Compatible Modes
66.68 MAC 16” 832x624 74.55 49.725 MAC 19” 1024x768 60.24 1152x870 75.06 68.68 MAC G4 640x480 31.35 MAC G4 640x480 68.03 MAC G4 1024x768 97.09 i Mac DV 640x480 i Mac DV 800x600 i Mac DV 1024x768 Coretronic Corporation EP758/EP759... - Page 11 SVGA 800x600 35.2 800x600 37.9 800x600 48.1 800x600 46.9 800x600 53.7 1024x768 48.4 1024x768 56.5 1024x768 60.0 1024x768 68.7 SXGA 1152x864 63.8 1152x864 67.5 1152x864 77.1 1280x1024 63.98 1280x1024 79.98 1280x1024 91.1 SXGA+ 1400x1050 63.98 UXGA 1600x1200 EP758/EP759 Coretronic Corporation...
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Page 12: Chapter 2 Disassembly Of Procedure
Chapter 2 Disassembly Procedure The Front Side The Rear Side Disassemble Lamp Module and Elevator Foot Step1: Turn unit to bottom side. Remove Lamp Cover and unscrew three screws to pull out Lamp Module. Lamp Cover Lamp Module Coretronic Corporation EP758/EP759... -
Page 13: Disassemble Top Cover, Front Cover, Keypad Board And Ir Sensor Module
Disassemble Top Cover, Front Cover, Keypad Board and IR Sensor Module Step1: Unscrew eight screws and then turn unit to the top side. Step2: Loose Front Cover from Top Cover and then disconnect the connector to remove Front Cover. Coretronic Corporation EP758/EP759... - Page 14 Step3: Tear off the tape from Front Cover to remove the IR Sensor Module. Front Cover IR Sensor Module Step4: Disconnect two connectors to remove Top Cover. Coretronic Corporation EP758/EP759...
- Page 15 Step5: Unscrew three screws and disconnect the wire to remove the Keypad Board, Keypad Button and FFC. LED Lens Keypad Button Keypad Board Coretronic Corporation EP758/EP759...
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Page 16: Disassemble Main Board Module, Thermal Switch And Lvps Module
Disassemble Main Board Module, Thermal Switch and LVPS Module Step1: Disconnector eleven connctors from Main Board Module. Step2: Unscrew six hex screws from Bottom Cover. Coretronic Corporation EP758/EP759... - Page 17 Step3: Disconnector two connectors to remove Main Board Module. Step4: Unscrew one screw to remove Thermal Switch. Main Board Module Thermal Switch Coretronic Corporation EP758/EP759...
- Page 18 Step5: Pull up the LVPS Module and the disconnect the connector. Step6: Unscrew the screw to remove EMI Ground Plate and separate the wire. LVPS EMI Ground Plate Coretronic Corporation EP758/EP759...
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Page 19: Disassemble Fan Guider Module, Wind Tunnel Module, Lamp Driver
Lamp Driver Module and Axial Fan 90x25 Module Step1: Unscrew three screws to separate Fan Guider Module and Wind Tunnel Module from Bottom Housing. Step2: Unscrew two screws from Wind Tunnel Module to remove Fan Guider Module. Fan Guider Module Wind Tunnel Module Coretronic Corporation EP758/EP759... - Page 20 Step3: Unscrew six screws to remove Lamp Driver Module. Step4: Separate two connectors from Lamp Driver Module. Lamp Driver Module Coretronic Corporation 2-10 EP758/EP759...
- Page 21 Step5: Unscrew two screws to remove Axial Fan 90x25 Module. Axial Fan 90x25 Module Step6: Unscrew four screws to separate Fan Hoder Bracket and 90x25 Axial Fan. 90x25 Axial Fan Fan Hoder Bracket Coretronic Corporation 2-11 EP758/EP759...
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Page 22: Disassemble Color Wheel Module, Optical Engine Module, 45*45*9
Unscrew five screws to remove Color Wheel Module. Color Wheel Module Step2: Unscrew one screw to separate Color Wheel and Photo Sensor Module. Photo Sensor Module Color Wheel Step3: Unscrew four screws to remove Engine Module from Bottom Housing. Coretronic Corporation 2-12 EP758/EP759... - Page 23 For EP758 Step4: Tear off EMI tape to separate Wind Guider Cover Mylar from Engine Module. Note* If the unit is EP759, please skip step 4 and step 5 Step5: Unscrew four screws to remove DMD Heatsink. DMD Heatsink Coretronic Corporation...
- Page 24 Unscrew four screws to remove DMD Heatsink Module. Step7: Unscrew four screws to remove DMD Heatsink Cover. Step8: Unscrew three screws to separate 45x45x9 Dish Fan from DMD Heatsink AL. DMD Heatsink Module DMD Heatsink Cover 45x45x9 Dish Fan DMD Heatsink AL Coretronic Corporation 2-14 EP758/EP759...
- Page 25 Step10: Separate Blower Fan 60x25 Module and Optical Engine Module and then pull up Blower Fan 60x25 from the Silicon Rubber. DMD Chip DMD Board Insulation Mylar Bracket Plate Blower Fan 60x25 Silicon Rubber Optical Engine Module Coretronic Corporation 2-15 EP758/EP759...
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Page 26: Disassemble Speaker, Blower Fan 50*20, Thermal Sensor Board, Interrupt Switch Module, Bottom Cover And Rear Cover
Disassemble Speaker, Blower Fan 50x20, Thermal Sensor Board, Interrupt Switch Module, Bottom Cover and Rear Cover Step1: Loose Rear Cover from Bottom Cover. Step2: Unscrew four screws to remove Speaker. Speaker Speaker Poron Rear Cover Coretronic Corporation 2-16 EP758/EP759... - Page 27 Unscrew six screws to remove Blower Fan 50x20, Elevator Shading Mylar and Thermal Sensor Board. Step4: Unscrew two screws to remove Interrupt Switch Module. Blower Fan 50x20 Thermal Sensor Board Elevator Shading Mylar Interrupt Switch Module Bottom Cover Coretronic Corporation 2-17 EP758/EP759...
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Page 28: Chapter 3 Troubleshooting
Chapter 3 Troubleshooting Equipment Needed EP758/EP759 Projector VESA VGA Cable/VESA DVI Cable PC (Personal Computer) with analog and digital signal output. DVD Player for Video Signal and Audio Signal. EP758/EP759 Remote Controller EP758/EP759 Coretronic Corporation... -
Page 29: Main Procedure
Check the Lamp cover assembly OK or not. Check thay have the sound of Lamp ignitor output from Unit or not. Check if the cable of Interrupt Switch is connected well. Check the DMD board. Check the Lamp module. Check the Ballast. Coretronic Corporation EP758/EP759... - Page 30 Ensure the Signal cable and Source is work as well. Adjust the Tracking selection in OSD Menu. Press the Menu button to check that have the noise issue appear on OSD Menu. (Check the DMD board if the noise also appear on the OSD Menu.) EP758/EP759 Coretronic Corporation...
- Page 31 (Check the main board if OSD menu cannot show on the screen) Have Garbage Pattern? Ensure the signal cable and source work as well. Check that can OSD menu show on the screen. (Check the main board if OSD cannot show on the screen) Coretronic Corporation EP758/EP759...
- Page 32 (Check the cable length of cable; the signal will be reduce when the signal cable is longer than 5m) Do the “Factory Reset” of the engineering mode. (Check the Main board if the image still display with noise.) EP758/EP759 Coretronic Corporation...
- Page 33 It might has the noise issue if the volume select to the max.) Use the new Speaker for the test. (Replace the Speaker if the new Speaker works fine with the Unit.) Check the Speaker wire that has broken issue or not. Check the Main board. Coretronic Corporation EP758/EP759...
- Page 34 Use a known Remote controller for the function test. (Replace the Remote controller if the new Remote controller works fine with the Unit.) Check the Main board if the Unit works fine with a known good Remote controller. EP758/EP759 Coretronic Corporation...
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Page 35: Function Test And Alignment Procedure
Screen Size : 60 inches diagonal (wide) Each EP758/EP759 should be run-in for 2 hours after repair. Each EP758/EP759 should be cooling for 5 minutes after the run-in test. Before function test and alignment, each EP759 should be warmed up for 5 minutes. -
Page 36: Test Display Modes And Pattern
Test Display Modes & Pattern 4-4.1 Compatible Modes Analog Coretronic Corporation EP758/EP759... - Page 37 Digital 4-4.2 Function Test Display Pattern PC Signal & Coretronic Corporation EP758/EP759...
- Page 38 Figure 2.Gray Scale Pattern Coretronic Corporation EP758/EP759...
- Page 39 Coretronic Corporation EP758/EP759...
- Page 40 Video & Audio Signal Coretronic Corporation EP758/EP759...
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Page 41: Inspection Procedure
Dead pixel (Bright pixel) Test Signal:1024 x 768 @ 75Hz Test Pattern:Full black pattern Please check and ensure the unit is under the spec. (Cannot accept any bright pixel) If not, please return the unit to repair area. Coretronic Corporation EP758/EP759... - Page 42 Test Pattern:Boundary frame pattern Please check and ensure the unit is under the spec. (The horizontal and vertical position of image should be adjustable to be the screen frame.) If not, please return the unit to repair area. Coretronic Corporation EP758/EP759...
- Page 43 After final QC step, we have to erase all saved change again and restore the factory defaults. Please select and enter “Factory Reset” function of “Service Mode” to ensure the function is work as well. This action will allow you erase all end-user’s settings and restore the original factory setting. Coretronic Corporation EP758/EP759...
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Page 44: Firmware Upgrade Procedure
Software : Config.hex Flasher.hex FlashUpgrader.exe Gui.exe Pixelware.inf Romcode.hex Hardware : Power Cord Cable RS232 To Mini Din 3Pin PC or Laptop EP758/EP759 Projector Hardware Setup Procedure Connecting RS232 Cable between PC and EP758/EP759 Projector. Mini Din 3pin Port RS232 Cable EP758/EP759... - Page 45 Execute the “FlashUpgrader.exe” program. Step2. 1. Click ”Choose” to get the file directory 2. Select <pwSDK.inf> file and open it. 3. Select the Serial port in Connection field, COM1: in COM Port field and 115200 in Baud Rate field. EP758/EP759...
- Page 46 Step3. Click “Flash” to start the firmware upgrade procedure and keep press the projector’s power button immediately until download “gui.hex” to 10%. Flash EP758/EP759...
- Page 47 After downloading all files, enter the service mode to check the F/W version. Notice: Press the “Power” button to enter in shutdown screen. Press “Up”, “Down”, “Right” button, and then enter the service mode to check the F/W version. EP758/EP759...
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Page 48: Ddc Key-In Procedure
PC or Laptop (OS:Windows98 or Windows Me) EDID Fixture DFP to DVI Cable Power Adapter RS-232 Cable VGA Cable Power Cord DDC Driver EP758/EP759 EDID Fixture P/N:80.00001.001 Power Adapter P/N: 47.53402.004 DFP to DVI Cable VGA Cable P/N: 42.81702.001 P/N:42.53001.051 RS-232 Cable P/N: 42.55708.001... -
Page 49: Setup Procedure
Step3. Connect P2 of the fixture with VGA Port of EP758/EP759 by the VGA Cable. Step4. Connect P3 of the fixture with DVI Port of EP758/EP759 by the DFP to DVI cable. Step5. Turn on the power of the fixture. -
Page 50: Ddc Key In Procedure
DDC Key-in Procedure 6-3.1 Analog Step1. Execute “EP759 EDID_B” program. Note: If the unit is EP758, Please execute “EP758 EDID_B” program. Step2. Mark sure the COM port is connecting ok. Choose the “Analog” to do the Analog DDC procedure. EP758/EP759... - Page 51 Step3. Key-in S/N in to the blank beside Barcode, and than press “Enter” key on the keyboard to begin programming. Step4. After finishing the above action, “PASS” message will appear on the screen. EP758/EP759...
- Page 52 6-3.2 Digital Step1. Mark sure the COM port is connecting ok. Choose the “Digital” to do the Digital DDC procedure. EP758/EP759...
- Page 53 Step2. Key-in S/N in to the blank beside Barcode, and than press “Enter” key on the keyboard to begin programming. Step3. After finishing the above action, “PASS” message will appear on the screen. EP758/EP759...
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Page 54: Exploded Overview
Appendix A Exploded Overview EP758 / EP759 EP758/EP759 Coretronic Corporation... - Page 55 Exploded Parts List of EP758 / EP759 /EP758 70.89624.001/70.81C08.001 /EP758 70.89614.001/70.81C02.001 /EP758 70.89604.001/70.81C04.001 /EP758 70.89603.001/70.81C06.001 /EP758 70.89601.001/70.81C01.001 Coretronic Corporation EP758/EP759...
- Page 56 EP758 Bottom Housing Module EP758/EP759 Coretronic Corporation...
- Page 57 Exploded Parts List of EP758 Bottom Housing Module 70.81C10.001 Coretronic Corporation EP758/EP759...
- Page 58 III. EP759 Bottom Housing Module EP758/EP759 Coretronic Corporation...
- Page 59 Exploded Parts List of EP759 Bottom Housing Module 70.81C10.001 Coretronic Corporation EP758/EP759...
- Page 60 EP758 Lamp Changer Module EP758/EP759 Coretronic Corporation...
- Page 61 Exploded Parts List of EP758 Lamp Changer Module Coretronic Corporation EP758/EP759...
- Page 62 EP759 Lamp Changer Module EP758/EP759 Coretronic Corporation...
- Page 63 Exploded Parts List of EP759 Lamp Changer Module EP758 Lamp Driver Module Exploded Parts List of EP758 Lamp Driver Module 7-10 Coretronic Corporation EP758/EP759...
- Page 64 VII. EP759 Lamp Driver Module Exploded Parts List of EP759 Lamp Driver Module 7-11 EP758/EP759 Coretronic Corporation...
- Page 65 VIII. EP758 Front Cover Module Exploded Parts List of EP758 Front Cover Module 7-12 Coretronic Corporation EP758/EP759...
- Page 66 EP759 Front Cover Module Exploded Parts List of EP759 Front Cover Module 7-13 EP758/EP759 Coretronic Corporation...
- Page 67 EP758 Blower Fan 50x20 Module Exploded Parts List of EP758 Blower Fan 50x20 Module 7-14 Coretronic Corporation EP758/EP759...
- Page 68 EP759 Blower Fan 50x20 Module Exploded Parts List of EP759 Blower Fan 50x20 Module 7-15 EP758/EP759 Coretronic Corporation...
- Page 69 XII. EP758 Engine Module (YO Parts) Exploded Parts List of EP758 Engine Module 70.89628.001 70.89617.001 70.81C07.001 7-16 Coretronic Corporation EP758/EP759...
- Page 70 XIII. EP759 Engine Module (YO Parts) Exploded Parts List of EP759 Engine Module 70.89628.001 70.89617.001 70.89616.001 7-17 EP758/EP759 Coretronic Corporation...
- Page 71 XIV. EP758 Optical Lens Module 7-18 Coretronic Corporation EP758/EP759...
- Page 72 Exploded Parts List of EP758 Optical Lens Module 7-19 EP758/EP759 Coretronic Corporation...
- Page 73 EP759 Optical Lens Module 7-20 Coretronic Corporation EP758/EP759...
- Page 74 Exploded Parts List of EP759 Optical Lens Module 7-21 EP758/EP759 Coretronic Corporation...
- Page 75 XVI. EP758 / EP759 Top Cover Module 7-22 Coretronic Corporation EP758/EP759...
- Page 76 Exploded Parts List of EP758 / EP759 Top Cover Module 7-23 EP758/EP759 Coretronic Corporation...
- Page 77 XVII. EP758 / EP759 Back Cover Module 7-24 Coretronic Corporation EP758/EP759...
- Page 78 Exploded Parts List of EP758 / EP759 Back Cover Module XVIII. EP758 / EP759 Axial Fan 92x25 Module 7-25 EP758/EP759 Coretronic Corporation...
- Page 79 Exploded Parts List of EP758 / EP759 Axial Fan 92x25 Module XIX. EP758 / EP759 Blower Fan 60x25 Module 7-26 Coretronic Corporation EP758/EP759...
- Page 80 Exploded Parts List of EP758 / EP759 Blower Fan 60x25 Module EP758 / EP759 Wind Tunnel Module 7-27 EP758/EP759 Coretronic Corporation...
- Page 81 Exploded Parts List of EP758 / EP759 Wind Tunnel Module XXI. EP758 / EP759 Elevator Module Exploded Parts List of EP758 / EP759 Elevator Module 7-28 Coretronic Corporation EP758/EP759...
- Page 82 XXII. EP758 / EP759 IR Sensor Module Exploded Parts List of EP758 / EP759 IR Sensor Module XXIII. EP758 / EP759 Interrupt Switch Module 7-29 EP758/EP759 Coretronic Corporation...
- Page 83 Exploded Parts List of EP758 / EP759 Interrupt Switch Module XXIV. EP758 / EP759 LVPS Module Exploded Parts List of EP758 / EP759 LVPS Module 7-30 Coretronic Corporation EP758/EP759...
- Page 84 XXV. EP758 / EP759 Engine Base Module 7-31 EP758/EP759 Coretronic Corporation...
- Page 85 Exploded Parts List of EP758 / EP759 Engine Base Module 70.89620.001 /EP758 70.89619.001 /EP758 XXVI. EP758 / EP759 Color Wheel Module 7-32 Coretronic Corporation EP758/EP759...
- Page 86 Exploded Parts List of EP758 / EP759 Color Wheel Module XXVII. EP758 / EP759 Elevator Foot Right Module Exploded Parts List of EP758 / EP759 Elevator Foot Right Module 7-33 EP758/EP759 Coretronic Corporation...
- Page 87 XXVIII. EP758 / EP759 Elevator Foot Left Module Exploded Parts List of EP758 / EP759 Elevator Foot Left Module 7-34 Coretronic Corporation EP758/EP759...
- Page 88 XXIX. EP758 / EP759 Lamp Duct Module Exploded Parts List of EP758 / EP759 Lamp Duct Module 7-35 EP758/EP759 Coretronic Corporation...
- Page 89 XXX. EP758 / EP759 DMD Heatsink Module Exploded Parts List of EP758 / EP759 DMD Heatsink Module 7-36 Coretronic Corporation EP758/EP759...
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Page 90: Serial Number System Definition
Serial code (from 0001~) EX1 :O81C429T0AAAA1001 This label “O81C429T0AAAA1001” represents the whole serial number for EP758, including Ver. 1st of BIOS and Ver. 1 of PCB Board. Both mechanical and optical ver- sion are 1st. In addition, panel vendor is T1. It’s produced on 29-week of 2004 for uni- versal area and its serial code is 1001. -
Page 91: Reader's Response
Reader’s basic data: t i T : e l : l e : l i After your finishing this form, please send it back to Coretronic Customer Service Dept. by fax: 886-3-563-5333 or E-mail to service_lpp@coretronic.com Thanks :) 7-38 Coretronic Corporation EP758/EP759...