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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...
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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.
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...
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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...
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...
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...
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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.
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 ±...
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...
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...
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...
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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...
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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...
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...
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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...
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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...
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...
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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...
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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...
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...
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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...
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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...
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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...
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...
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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...
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...
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...
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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...
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(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...
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(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...
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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...
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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...
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.
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...
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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...
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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...
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...
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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...
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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...
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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...
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...
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.
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...
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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...
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6-3.2 Digital Step1. Mark sure the COM port is connecting ok. Choose the “Digital” to do the Digital DDC procedure. EP758/EP759...
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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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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...
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VII. EP759 Lamp Driver Module Exploded Parts List of EP759 Lamp Driver Module 7-11 EP758/EP759 Coretronic Corporation...
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VIII. EP758 Front Cover Module Exploded Parts List of EP758 Front Cover Module 7-12 Coretronic Corporation EP758/EP759...
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EP759 Front Cover Module Exploded Parts List of EP759 Front Cover Module 7-13 EP758/EP759 Coretronic Corporation...
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EP758 Blower Fan 50x20 Module Exploded Parts List of EP758 Blower Fan 50x20 Module 7-14 Coretronic Corporation EP758/EP759...
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EP759 Blower Fan 50x20 Module Exploded Parts List of EP759 Blower Fan 50x20 Module 7-15 EP758/EP759 Coretronic Corporation...
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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...
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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...
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Exploded Parts List of EP759 Optical Lens Module 7-21 EP758/EP759 Coretronic Corporation...
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XVI. EP758 / EP759 Top Cover Module 7-22 Coretronic Corporation EP758/EP759...
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Exploded Parts List of EP758 / EP759 Top Cover Module 7-23 EP758/EP759 Coretronic Corporation...
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XVII. EP758 / EP759 Back Cover Module 7-24 Coretronic Corporation EP758/EP759...
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Exploded Parts List of EP758 / EP759 Back Cover Module XVIII. EP758 / EP759 Axial Fan 92x25 Module 7-25 EP758/EP759 Coretronic Corporation...
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Exploded Parts List of EP758 / EP759 Axial Fan 92x25 Module XIX. EP758 / EP759 Blower Fan 60x25 Module 7-26 Coretronic Corporation EP758/EP759...
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Exploded Parts List of EP758 / EP759 Blower Fan 60x25 Module EP758 / EP759 Wind Tunnel Module 7-27 EP758/EP759 Coretronic Corporation...
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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...
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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...
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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...
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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...
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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...
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XXVIII. EP758 / EP759 Elevator Foot Left Module Exploded Parts List of EP758 / EP759 Elevator Foot Left Module 7-34 Coretronic Corporation EP758/EP759...
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XXIX. EP758 / EP759 Lamp Duct Module Exploded Parts List of EP758 / EP759 Lamp Duct Module 7-35 EP758/EP759 Coretronic Corporation...
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XXX. EP758 / EP759 DMD Heatsink Module Exploded Parts List of EP758 / EP759 DMD Heatsink Module 7-36 Coretronic Corporation EP758/EP759...
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.
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...