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EK-620U/EK-621W/EK-625U Date Revise Version Description 2017.3.10 V1.0 Initial Issue 2017.7.20 V2.0 Add new model EK-625U 2018.04.01 V3.0 Add the repair action into chapter 2 2018.11.26 V4.0 Add Wiring Diagram Copyright December 2018 All Rights Reserved (C) 2018 EIKI Industrial Inc,...
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Preface This manual is applied to EK-620U/EK-621W/ projection system.The manual EK-625U 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 immediately identify problems that occur with our products.We expect your customers will appreciate the...
Disassemble IO Cover 2-11 Disassemble Engine Module 2-13 Disassemble LVPS 2-18 Disassemble Bottom Cover Module 2-21 Repair action 2-23 Chapter 3 Troubleshooting LED Lighting Message Main Procedure No Power Troubleshooting Power Troubleshooting Image Troubleshooting Remote Troubleshooting Network Troubleshooting EK-620U/EK-621W/ EK-625U...
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Chapter 4 Test & Inspection Test Equipment Needed Service Mode Factory Reset Calibration Re-write Serial Number Adjustment Chapter 5 Firmware Upgrade System Firmware Upgrade Recovery Mode Appendix A Exploded Image Appendix B Error Log Appendix C Wiring Diagram EK-620U/EK-621W/EK-625U...
1024 x 768 60.02 1024 x 768 68.67 SXGA 1152 x 864 63.8 SXGA 1152 x 864 67.5 SXGA 1152 x 864 77.1 SXGA 1280 x 1024 63.98 SXGA 1280 x 1024 77.9 SXGA 1280 x 1024 79.98 EK-620U/EK-621W/ EK-625U...
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1280 x 768 68.63 WXGA 1280 x 720 44.8 WXGA 1280 x 800 49.6 WXGA 1366 x 768 47.71 WXGA+ 1440 x 900 55.9 WSXGA 1680 x 1050 65.3 WUXGA 1920 x 1080-RB 66.6 WUXGA 1920 x 1080-EIA 67.5 EK-620U/EK-621W/ EK-625U...
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48.08 SVGA 800 x 600 46.88 SVGA 800 x 600 53.67 1024 x768 48.36 1024 x768 56.48 1024 x768 60.02 1024 x768 68.67 SXGA 1152 x 864 63.8 SXGA 1152 x 864 67.5 SXGA 1152 x 864 77.1 EK-620U/EK-621W/ EK-625U...
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1280 x 768 68.63 WXGA 1280 x 720 44.8 WXGA 1280 x 800 49.6 WXGA 1366 x 768 47.71 WXGA+ 1440 x 900 55.9 WSXGA 1680 x 1050 65.3 WUXGA 1920x1080-RB 66.6 WUXGA 1920x1080-EIA 67.5 WUXGA 1920x1200-RB 59.95 74.04 EK-620U/EK-621W/ EK-625U...
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1080i 1920 X 1080 50(25) 33.75 1080p 1920 x 1080 67.5 1080p 1920 x 1080 56.25 1080p 1920 x 1080 23.97/24 Note: If the Computer Compatibility supportive signal is different from User’s Manual, please refer to User’s Manual. EK-620U/EK-621W/ EK-625U...
5. Tweezers 6. Knife 7. Projector * Before you start: - This process is protective level II. Operators should wear electrostatic chains. - When disassemble Engine module , please notice that it require specific environmental conditions (clean room). EK-620U/EK-621W/ EK-625U...
Projector lens Note: - Please hold lens module in the right way. - Be careful not to dirty the glass of the lens module. - Be careful not to touch the motor of the lens module Right Wrong EK-620U/EK-621W/ EK-625U...
1. Loosen 4 black screws (as red circle). 2. Loosen 8 screws (as green circle). 3.Take the top cover module out. 4. Remove the sponge which is around the Led lens. 5. Remove 2 M3*5 screws to disassemble the Led lens. Led lens Led sponge EK-620U/EK-621W/ EK-625U...
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6. Remove 2 M3*5 screws to disassemble the IR lens (for EK-620U, EK-621W only). IR lens 7. Remove 12 M3*5 screws to disassemble the bracket and plastic cover (for EK- 620U, EK-621W only). Top cover for EK-620U, EK-621W 8. Remove the 2 sponges from the top cover (for EK-625U only).
2-4 Disassemble Main Board Module 1. Take out the top IR board from the hook. 2. Loosen 18 screws to disassemble top shielding (as green circle). 3. Loosen 2 screws to disassemble LED board (as red circle). LED board IR board EK-620U/EK-621W/ EK-625U...
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4. Loosen 3 screws and 10 hex screws (as red circle). 5.Loosen 9 screws to disassemble main board (as green circle). 6.Loosen 3 screws to disassemble IO board (as red circle). EK-620U/EK-621W/ EK-625U...
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Connector The key feature Figure Board KEYPAD CONN White connector (30 pin) Composed of black,blue,gray,red wires J35/J34 FAN10/FAN4 white connector (4pin) Composed of black, green, gray, and red J33/J32 FAN9/FAN8 wires, white connector (4 pin) P/W FPC EK-620U/EK-621W/ EK-625U...
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(2 pin) Composed of two red wires, a white H SENSOR R connector, a black wire tube (2 pin) V POWER/ H Composed of yellow, white, red, and J45/J42 POWER blue wires, a white connector (4 pin) EK-620U/EK-621W/ EK-625U...
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Composed of white, black, and red P/W SENSOR wires, a red connector (3 pin) J36/J37 FAN7/FAN5/FAN3/ Composed of black, blue, gray, and J31/J30 FAN2 brown wires, a white connector (4 pin) FAN1 7.Loosen 6 screws to disassemble bottom shielding (as green circle). EK-620U/EK-621W/ EK-625U...
2-5 Disassemble Front Cover 1.Loosen 9 screws to disassemble front cover (as red circle). 2.Loosen 6 screws to disassemble bracket (as green circle). EK-620U/EK-621W/ EK-625U 2-10...
3. Take out the front IR (as red rectangle). Front Cover 4.Loosen 5 screws to disassemble front shielding (as green circle). 2-6 Disassemble Left Cover 1.Take out the interlock switch (as red rectangle). EK-620U/EK-621W/ EK-625U 2-11...
2.Loosen 5 screws to disassemble left cover (as green circle). Left Cover 2-7 Disassemble IO Cover 1.Loosen 3 screws (as red circle). EK-620U/EK-621W/ EK-625U 2-12...
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2.Loosen 2 screws (as green circle). 3.Loosen 6 screws to separate IO cover and keypad board (as red circle). IO Cover KeyPad Rubber EK-620U/EK-621W/ EK-625U 2-13...
2-8 Disassemble Engine Module 1.Loosen 4 screws to disassemble fan5& fan7 (as green circle). Fan 5 Fan 7 2.Loosen 4 screws to disassemble fan6 (as red circle). Fan5&Fan7 Fan6 EK-620U/EK-621W/ EK-625U 2-14...
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3.Unplug 6 connectors (as green circle). 4.Loosen 10 screws to disassemble the engine module (as green circle). EK-620U/EK-621W/ EK-625U 2-15...
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5.Loosen 1 screws to disassemble the thermal switch (as red circle). Thermal Switch 6.Remove the glue,then loosen 5 screws to separate the filter cover and combiner module (as green circle). Combiner Module EK-620U/EK-621W/ EK-625U 2-16...
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7.Loosen 3 screws to disassemble filter wheel module (as red circle). Filter Module 8.Loosen 3 screws to disassemble filter bottom cover (as green circle). EK-620U/EK-621W/ EK-625U 2-17...
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9.Loosen 4 screws to disassemble DMD heatsink (as red circle). 10.Loosen 6 screws to disassemble DMD board (as green circle). DMD Board 11.Loosen 4 screws to disassemble DMD board (as red circle). EK-620U/EK-621W/ EK-625U 2-18...
12.Loosen 2 screws to disassemble bracket (as green circle). Engine Module 2-9 Disassemble LVPS 1.Unplug 4 connectors (as green rectangle). 2.Loosen 6 screws to disassemble LD driver board (as red circle). EK-620U/EK-621W/ EK-625U 2-19...
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3.Loosen 5 screws to separate LD driver board and heatsink (as yellow circle). LD Driver Module 4.Loosen 5 screws to disassemble shielding and unplug all connectors (as red circle). Interlock Switch EK-620U/EK-621W/ EK-625U 2-20...
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5.Rotate the cap take out the fuse (as green square) and loosen 5 screws to disassemble AC (as red circle). Fuse 6.Loosen 7 screws to disassemble LVPS (as green circle). LVPS EK-620U/EK-621W/ EK-625U 2-21...
2-10 Disassemble Bottom Cover Module 1.Loosen 4 screws to disassemble right cover (as red circle). 2.Loosen 12 screws to disassemble fan3 & fan2 & fan1 (as green circle). Fan 2 Fan 1 Fan 3 Right Cover Fan1&Fan2&Fan3 EK-620U/EK-621W/ EK-625U 2-22...
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3.Loosen 8 screws to disassemble fan4 & fan10 (as red circle). Fan 10 Fan 4 4.Loosen 3 screws to disassemble 3 foot (as green circle). Foot Fan4&Fan10 5.Loosen 23 screws to disassemble the bottom cover (as yellow circle). Bottom Cover EK-620U/EK-621W/ EK-625U 2-23...
Flashing AV mute is off (Image is displayed) Steady Steady Steady AV mute is on (Image is black) Steady Steady Steady Projector communication Steady Flashing Steady Firmware upgrade Flashing Flashing Error (Over temperature) Steady Error (Fan failure) Flashing EK-620U/EK-621W/ EK-625U...
- Press “Menu” button on Remote Controller or Keypad,choose “OPTION” - Choose “SERVICE” - Enter the code “1,5,9,0” by remote controller or Press the button “LEFT +DOWN+RIGHT+UP” by keypad to access service mode. - Press “Enter” to get into service mode. EK-620U/EK-621W/ EK-625U...
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 default setting: - Please get into service mode - Select "Factory Reset" - Press "Enter" EK-620U/EK-621W/ EK-625U...
- Place the projector on a clean horizontal surface. - On the Remote, press Menu >SETUP>Lens Function. - Select Lens Calibration. - Press Enter. 2. ABC Calibration Note: Always perform ABC Calibration after repairing the engine or main board. - Please get into service mode EK-620U/EK-621W/ EK-625U...
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- Press “Auto” key to execute the ADC calibration. Criteria - If there is noise on the screen, the product is considered as failure product. - The screen appears normal, it shouldn’t appear any abnormal condition, such as lines and so on. EK-620U/EK-621W/ EK-625U...
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Procedure - Project the 64 Gray RGBW pattern. - Test timming:WUXGA 1920 x 1200 @60Hz - Enter Service Mode,Click Filter wheel Index. - Adjust the index upwards until blue &red does not appear smooth,record the a index value. EK-620U/EK-621W/ EK-625U...
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(3) Get into color wheel speed 3X to repeat (1) and (2) steps Procedure - Press "Menu" - Select "PICTURE" - Select "Advance" - Select "Color Wheel Speed" - Select "3X" - Press "Enter" Note: When finished the wheel index please set the color wheel speed back to 2X. EK-620U/EK-621W/ EK-625U...
“Load define” - Then key in the Serial Number, for example“E69A1146”. Then click “RUN” to re-write serial number. Then the “Pass” message will be shown on the window. Inspection item - Press “MENU->OPTION->Information" - Check the serial number. EK-620U/EK-621W/ EK-625U...
- Once position 3 is in focus, check position1 If position 1 is not in focus, use focus up or down key to adjust focus till it is in focus. - If pressing focus up key can focus position1, EK-620U/EK-621W/ EK-625U...
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- Change the screen to “white screen.” - Adjust the rod by using the screws on the engine module to re-adjust the image. (“screw 1“ should be adjusted first,and then “screw 2“. Adjust until the yellowish or bluish parts disappear.) EK-620U/EK-621W/ EK-625U...
Chapter 5 Firmware Upgrade Section 1 : Scalar/MCU/Formatter/LAN FW upgrade 5-1-1 Equipment Needed Software : - EIKI B35LD+ Upgrade Firmware Wizard .zip Hardware : - Projector - Power Cord - RJ45 cable(CAT-5e) - PC or Laptop with Windows XP/7 EK-620U/EK-621W/ EK-625U...
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5-1-2 Firmware Upgrade Procedure 1.Windows Setting - Close Windows firewall. - Set HDD sleep timer larger than two hours. - Run as administrator in case of Windows 7 system. 2.Network Setting - Double click the “Local area connection”, choose “Properties”. EK-620U/EK-621W/ EK-625U...
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- Modify the IP address to 192.168.0.101, and modify Subnet mask to 255.255.255.0. Note: The HOST ID (192.168.0.XXX) of PC IP address must be different from the projector IP address written down. - Click "OK". - Click "Close" to quit the setting screen. EK-620U/EK-621W/ EK-625U...
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3. Download the latest firmware program file from the website, Unzip the file to the desktop and open the folder created. 4. Execute the Upgrade_Wizard.exe. 5. Select “please check firewall has been cloesd”. - Click “next”. EK-620U/EK-621W/ EK-625U...
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6.Connect projector to computer by RJ-45, turn on projector. - Click "next". 7.Prepare to update projector. - Cleck "next". - Cleck "next". EK-620U/EK-621W/ EK-625U...
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- Do not connect or disconnect any cables or power cords. 9. At last "Update successful" shows on the screen,click"exit",then turn off the projector. 10. Re-power on the projector - press "Menu" - Select"OPTION" - Select"Information" - Press "Enter" to check the FW Version. EK-620U/EK-621W/ EK-625U...
Unzip the file and keep on your desktop. - Double click the folder. - Choose the upgrade file based on the system of PC. - 64-bit system execute FlashUpgrader_x64.exe - 32-bit system execute FlashUpgrader_x32.exe - Unzip the file. EK-620U/EK-621W/ EK-625U...
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3. Choose “FlashUpgrader.exe” Program. - Double click “FlashUpgrader.exe” to execute FlashUpgrader setup. 4. Choose “USB 2.0”,then click “Flash” button to start FW upgrade. 5. Then will show upgrade progress bar. EK-620U/EK-621W/ EK-625U...
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(2) After upgrade finished, remove the power code. (3) 32-bit system need to install mini-USB driver manually. -Right-click "computer" -Click" Manage" -Click"Device Manager" -Righter-click "Unknown Manager" -Install the driver -Click "Browse my computer for driver software" -Click "Browse" -Select "FlashUpgrader_x32_driver" -Click "OK" -Click "Next" EK-620U/EK-621W/ EK-625U...
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6. When the source message is displayed on the bottom left of the projected image, click Next. 7. Choose upgrade items, then click next 8. Updating result - When firmware recovery completes, will shows“Update Successful”. EK-620U/EK-621W/ EK-625U 5-10...
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Appendix A (Exploded Image) Note: This chapter is only designed to show the exploded image of the projector.For updated part numbers,please refer to RSPL report.Here we take EK-620U for example. D.C. EK-620U/EK-621W/ EK-625U...
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ASSY MB BOTTOM SHIELDING See The Page “IV” Main Board MB TOP SHILEDING B35LH SHIELDING LVPS B35LH PCBA DRIVER BOARD ASSY FOR 80.74K09G011 B35LD+ PROJECT 61.74K03G003 COVER TOP METAL B35LH FAN SUNON 120X25mm 49.79202G002 /PWM CONTROL/ A35LH & A70LH EK-620U/EK-621W/ EK-625U...
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Rear Cover Item Description Parts Supply 80.74K03G001 PCBA KEYPAD BD FOR B35LH 52.74K03G001 KEYPAD RUBBER B35LH 70.74K30GR01 ASSY IO COVER FOR 74K 80.74K07G001 PCBA LED BD FOR B35LH LABEL IO EIKI B35LH SCREW PAN MECH EK-620U/EK-621W/ EK-625U...
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Main Board Item Description Parts Supply HEX SPACER M3-3.0 W5 L20.0 PCBA MAIN BOARD ASSY FOR 80.74K01G012 B35LD+ EK-620U WUXGA PRO- JECTOR PCBA IO BD ASSY FOR B35LD+ 80.74K06G011 PROJECTOR SCREW PAN MECH W/SF M3*6 EK-620U/EK-621W/ EK-625U...
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ASSY FILTER WHEEL MODULE WITHOUT 70.73G23GR01 RED LD FOR 73G (SERVICE) ASSY COMBINER MODULE FOR EK-620 70.74L60GR01 SERIES (SERVICE) FAN SUNON, 55mmx55mmx15mm, TWO 49.79204G002 BALL, AXIAL FAN, PWM CONTROL FAN SUNON 120X25mm /PWM CONTROL/ 49.79202G002 A35LH & A70LH EK-620U/EK-621W/ EK-625U...
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Comparison List PARTS EK-620U EK-621W EK-625U 48.8CGDMGD01 48.89L01G003 48.8CGDMGD01 80.74K06G011 80.74K06G012 I/O board Engine 70.76P05GR01 70.74L25GR01 70.76P05GR01 DMD board 80.79202G001 80.73F02G001 80.79202G001 TOP cover 61.74K03G003 75.74K07G001 Main board 80.74K01G012 80.74L01G012 80.74K01G013 Driver board 80.74K09G011 80.74K09G012 EK-620U/EK-621W/ EK-625U...
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Detect DMD Over Temperature TEC Current Abnormal Detect Current Abnormal Format Board Power On Fail Detect Format Board Power On Fail Other problems Over Temperature Detect Thermal Sensor Overheat Color Wheel Unexpected Stop Detect Color Wheel Unexpected Stop EK-620U/EK-621W/ EK-625U...
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Appendix C (Wiring Diagram) EK-620U/EK-621W/ EK-625U...
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RECOMMENDED SPARE PARTS LIST (RSPL) for EK-620U/621W/625U Ver. 2.02 2019/3/26 Item P/N Parts photo Category Short Description Description Q'ty/Set Substitute (P/N) Remark 620U 621W 625U Electronic Fuse 15A 250V 5*20 0215015. 06.01520G004 FUSE Components MXP Littelfuse 43.8RR12G021 Electronic SWITCH 230mm AC INLET...
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RECOMMENDED SPARE PARTS LIST (RSPL) for EK-620U/621W/625U Ver. 2.02 2019/3/26 51.8LB31G001 Chassis LENS COVER LENS COVER A30 70.74K30GR01 Chassis IO COVER ASSY IO COVER FOR 74K (SERVICE) 75.74K05G001 Chassis LEFT COVER ASSY COVER LEFT B35LH 51.70M06G011 Chassis BOTTOM COVER COVER BOTTOM BLACK B35LH 75.74K50G001...
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