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EK-815U

Table of Content

Chapter 1 Introduction

Highlight

1-1

Compatible Mode

1-3

Chapter 2 Disassembly Process

Equipment Needed & Product Overview

2-1

Disassemble Projector Lens

2-2

Disassemble Top Cover

2-3

Disassemble Main Board Module

2-5

Disassemble Front Cover

2-10

  Disassemble Left Cover 2-11
Disassemble IO Cover 2-12
  Disassemble Engine Module 2-14
Disassemble LVPS 2-19
Disassemble Bottom Cover Module

2-22

Chapter 3 Troubleshooting

LED Lighting Message

3-1

Main Procedure

3-2

No Power Troubleshooting 3-3
Verify power functionality 3-4
Verify image performance 3-5
Verify IR remote keypad operation 3-9
Verify the network connection 3-10

Summary of Contents for EK-815U

Page 2: ...s 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 distributor for repairing and do not attempt to do anything that is complex or not mentioned in the troubleshooting Note The information found in this manual is subject to change without prior notice Any subsequent changes made to the dat...

Page 3: ...ain Board Module 2 5 Disassemble Front Cover 2 10 Disassemble Left Cover 2 11 Disassemble IO Cover 2 12 Disassemble Engine Module 2 14 Disassemble LVPS 2 19 Disassemble Bottom Cover Module 2 22 Chapter 3 Troubleshooting LED Lighting Message 3 1 Main Procedure 3 2 No Power Troubleshooting 3 3 Verify power functionality 3 4 Verify image performance 3 5 Verify IR remote keypad operation 3 9 Verify th...

Page 4: ...st Equipment Needed 4 1 Service Mode 4 1 Factory Reset 4 3 Adjustment 4 4 Calibration 4 8 Chapter 5 Firmware Upgrade Scalar MCU Formatter LAN FW upgrade 5 1 Recovery Mode 5 7 Rewrite SN 5 11 Appendix A Exploded Image I Appendix B Error Log I ...

Page 5: ...Mode 8000 lm ECO Mode 4000 lm 6 Throw Ratio AH A25010 A16 AH A22010A A15 AH A22020 A01 AH A22050 A06 AH A21010 A03 AH A23010 A13 0 36 0 75 0 95 0 95 1 22 1 22 1 53 1 52 2 92 2 90 5 50 7 Lens Shift Horizontal 15 Vertical 50 8 Uniformity Typical 90 Minimum85 JBMA 9 Laser Diode Power 35W 3A Normal Mode 10 Laser Diode Life Normal mode 20 000 hours ECO mode 35000 hours 11 DMD Chip 0 67 WUXGA DMD Type A...

Page 6: ...phone jack Remote In 1 x USB type A for WiFi dongle purpose 1 x Mini USB for LAN FW upgrade only Service 1 x RJ45 LAN 14 Native Resolution 1920 x 1200 15 Filter Wheel 4 Segment RYGB Filter Diameter 67 mm FW Speed 7200 rpm x2 10800 rpm x3 16 Operating Temperature 0 2500 ft 5 40 2500 5000 ft 5 35 5000 10000 ft 5 30 ...

Page 7: ... V V 120 95 V V V V 75 V V V V 50 97 V V V 60 97 V V V 75 97 V V V 97 V V V 60 DMT1060 V V V V 75 DMT1075 V V V V 07 V V V V 120 CVR1012 V V V V 1152x720 50 CVT1150D V V V 1152x720 60 CVT1160D V V V 1152x720 75 CVT1175D V V V 1152x720 97 V V V 60 CVT1160 V V V V 70 DMT1170 V V V V 75 DMT1175 V V V V 07 V V V V 75 APP1175 V V V 50 CVT1250H V V V 60 CVT1260H V V V V 75 CVT1275H V V V V 97 V V V V 12...

Page 8: ...0 CVT1350H V V V 60 DMT1360H V V V 75 CVT1375H V V V 97 V V V 60 DMR1360H V V V V 1400x1050 50 CVT1450 V V V 1400x1050 60 CVT1460 V V V 1400x1050 75 CVT1475 V V V V 60 CVT1460D V V V V 75 CVT1475D V V V 60 DMR1660H V V V 1600x1200 60 DMT1660 V V V V 60 CVT1660D V V V V 50 97 V V V 60 95 V V V V 5 60 95 V V V V 5 50 97 V V V V NTSC NTSC M 4 43 60 PAL PAL B G H I 50 PAL N 50 PAL M 60 SECAM SECAM M 5...

Page 9: ... V S 23 V V V V S 24 V V V V S 25 V V V V S V V V V S 30 V V V V S 50 V V V V S V V V V S 60 V V V V Mandatory 3D Frame Packing S 24 V V Frame Packing 720p 50 V V Frame Packing 720p 60 V V Side by Side L 50 V V Side by Side L 60 V V Top and Bottom 720p 50 V V Top and Bottom 720p 60 V V Top and RWWRP S 24 V V Frame sequential 3D 120 V V 120 V V 120 V V SD SDI L FE U 10bit V 576i YcbCr422 10bit 50 V...

Page 10: ... Manual SIGNAL TYPE RESOLUTION FRAME RATE HZ QD881 VGA HDMI DVI HDBASET 3G SDI HD SDI 720p YcbCr422 10bit 50 V V 60 V L YcbCr422 10bit 50 V V 60 V S YcbCr422 10bit V 24 V 25 V V 30 V V YcbCr422 10bit 25 V V 30 V 3GA SDI S YcbCr422 10bit 50 V V 60 V 3GB SDI S YcbCr422 10bit With 352M Payload ID 50 V V 60 V V Frequency supported Frequency not supported ...

Page 11: ...it 105 2 Screw Bit 107 3 Screw Bit 107 4 Hex Sleeves 5 mm 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 ...

Page 12: ... blue arrow Projector lens 2 Rotate the lens carefully as red arrow then remove it out carefully 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 Lens cover Wrong Right ...

Page 13: ...p Cover 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 ...

Page 14: ...EK 815U 2 4 6 Remove 2 M3 5 screws to disassemble the IR 7 Remove the 2 sponges from the top IR lens ...

Page 15: ... 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 ...

Page 16: ...EK 815U 2 6 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 ...

Page 17: ...n Connector Board The key feature Figure J5 KEYPAD CONN White connector 30 pin J35 J34 FAN10 FAN4 Composed of black blue gray red wires white connector 4pin J33 J32 FAN9 FAN8 Composed of black green gray and red wires white connector 4 pin J23 P W FPC FPC ...

Page 18: ...sed of two white wires a white connector 2 pin J14 LIGHT SENSOR 2 Composed of white yellow pink brown black and red wires a white connector 6 pin J48 LD DRIVER Composed of a white connector and a black wire tube 20 pin J46 V SENSOR T Composed of two blue wires a white connector a black wire tube 2 pin J43 H SENSOR R Composed of two red wires a white connector a black wire tube 2 pin J45 J42 V POWE...

Page 19: ...onnector 3 pin J9 LIGHT SENSOR Composed of black yellow and red wires a white connector 6 pin J1 LVPS Composed of a white connector and a black wire tube 22 pin J24 P W SENSOR Composed of white black and red wires a red connector 3 pin J36 J37 J31 J30 J29 FAN7 FAN5 FAN3 FAN2 FAN1 Composed of black blue gray and brown wires a white connector 4 pin 7 Loosen 6 screws to disassemble bottom shielding a...

Page 20: ...EK 815U 2 10 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 ...

Page 21: ...15U 2 11 3 Take out the front IR as red rectangle 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 Front Cover IR ...

Page 22: ...EK 815U 2 12 Left Cover 2 Loosen 5 screws to disassemble left cover as green circle 2 7 Disassemble IO Cover 1 Loosen 3 screws as red circle ...

Page 23: ...EK 815U 2 13 2 Loosen 2 screws as green circle 3 Loosen 6 screws to separate IO cover and keypad board as red circle Rubber IO Cover KeyPad ...

Page 24: ...EK 815U 2 14 2 8 Disassemble Engine Module 1 Loosen 4 screws to disassemble fan5 fan7 as green circle 2 Loosen 4 screws to disassemble fan6 as red circle Fan 5 Fan 7 Fan5 Fan7 Fan6 ...

Page 25: ...EK 815U 2 15 3 Unplug 5 connectors as green circle 4 Loosen 10 screws to disassemble the engine module as green circle ...

Page 26: ...U 2 16 5 Loosen 1 screws to disassemble the thermal switch as red circle 6 Remove the glue then loosen 5 screws to separate the filter cover and combiner module as green circle Thermal Switch Combiner Module ...

Page 27: ...EK 815U 2 17 7 Loosen 3 screws to disassemble filter wheel module as red circle 8 Loosen 3 screws to disassemble filter bottom cover as green circle Filter Module ...

Page 28: ...K 815U 2 18 9 Loosen 4 screws to disassemble DMD heatsink as red circle 10 Loosen 6 screws to disassemble DMD board as green circle 11 Loosen 4 screws to disassemble DMD board as red circle DMD Board DMD ...

Page 29: ...15U 2 19 12 Loosen 2 screws to disassemble bracket as green circle 2 9 Disassemble LVPS 1 Unplug 4 connectors as green rectangle 2 Loosen 6 screws to disassemble LD driver board as red circle Engine Module ...

Page 30: ... 815U 2 20 3 Loosen 5 screws to separate LD driver board and heatsink as yellow circle 4 Loosen 5 screws to disassemble shielding and unplug all connectors as red circle LD Driver Module Interlock Switch ...

Page 31: ...EK 815U 2 21 5 Rotate the cap take out the fuse as green square and loosen 5 screws to disassemble AC as red circle 6 Loosen 7 screws to disassemble LVPS as green circle LVPS AC Fuse ...

Page 32: ...2 22 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 Right Cover Fan1 Fan2 Fan3 Fan 3 Fan 2 Fan 1 ...

Page 33: ...osen 8 screws to disassemble fan4 fan10 as red circle 4 Loosen 3 screws to disassemble 3 foot as green circle 5 Loosen 23 screws to disassemble the bottom cover as yellow circle Fan 4 Fan 10 Fan4 Fan10 Foot Bottom Cover ...

Page 34: ...dy Steady Steady Power off Cooling down 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 815U 3 1 Chapter 3 Troubleshooting 3 1 LED Lighting Message ...

Page 35: ...lity good Refer to verify image performance No Is the IR remote keypad working Refer to verify the IR remote keypad operation No No fault found Yes No End Is the network connection functioning Refer to verify the network connection No Yes Yes Is the power button backlit Refer to No Power Troubleshooting No Press the power button to turn on the projector Yes Yes EK 815U 3 2 ...

Page 36: ...the power cord at The projector and AC power source Supply AC voltage 100 120V or 200 240V Is the interlock switch closed Yes Ensure the interlock switch is in the closed position Measure the voltage of J1 pins 1 13 and 14 is the output 5V Yes Replace the LVPS Replace the main board Continue function test and refer to other troubleshooting once the power LED light End Yes No No No No EK 815U 3 3 ...

Page 37: ...oblem solved Replace the thermal switch Is problem solved No No Continue function test Is the status LED flashing red No Measure voltage of J29 J38 pin1 4 5 12V 0 3V Yes No Replace the main board Yes Measure voltage of J29 J38 pin2 3 3V Replace the corresponding fan or blower No Is the Light LED off and status LED flashing green No Measure voltageJ48 Pin1 5V Yes Measure voltageJ25 Pin1 5V Yes Repl...

Page 38: ... Replace the main board Ensure that the signal cable and signal source are working Does PC image show on the screen Replace the main board Yes Yes No Yes No No Yes 1 2 No Yes No Is the image flickering Yes Yes Check connection between main board and light engine Is the image flickering No Replace the combiner module Is the image flickering No Replace the LD driver Is the image flickering Replace t...

Page 39: ...al Yes No No 1 2 1 3 Replace the main board Does the color appear normal Replace the color wheel module No No Does the Video image show on the screen Ensure that the signal cable and signal source are working Does the Video image show on the screen Replace the main board No No Yes Does Video image show on the screen Replace the IO board No Yes Replace the IO board No No Yes Yes Replace the main bo...

Page 40: ...ger and this need to be done in a clean room Is there noise in the image Check the signal cable and signal source connection and functionality Adjust the pixel phase by selecting 1 Size Position 2 Pixel phase to adjust phase in the Menu Has the Image noise been resolved Replace the main board Yes Is there a vertical or horizontal line in the image No No Yes No 1 4 1 3 No Does the line still appear...

Page 41: ...izontal lens motor Is the vertical lens shift working correctly Replace the vertical lens motor Replace the light engine Yes Yes Replace the light engine Yes Is the image uniformity good No Is the image uniformity good No Yes Yes Is the horizontal lens shift working correctly Is the vertical lens shift working correctly No No No Yes Yes Is the horizontal lens shift working correctly Is the vertica...

Page 42: ... remote Does the OSD menu show up on screen Press the menu button on the IR remote keypad No No No Fault Found Yes Plug in signal cable and power cord then press the power button on the remote Are the other functions on the IR remote keypad working End Yes Replace the IR remote keypad No No Yes Yes Yes Yes 3 6 Verify IR remote keypad operation EK 815U 3 9 ...

Page 43: ... No Fault Found End Is the Internet source on the PC working Replace the Lan cable Use an alternate PC Change the Network setting Refer the Chapter about Network setting Is the RJ45 connector LED green Replace the Lan board Replace the main board Replace the main board Is the RJ45 connector LED green No No Yes Yes Yes Yes No No Yes No No 3 7 Verify the network connection EK 815U 3 10 ...

Page 44: ...pendent graphic card Blue ray DVD player support S Video 3D source files HDMI and Video Minolta CL 200 Quantum Data 802B or CHROMA2327 Color Video Signal Pattern Generator 4 2 Service Mode 1 Service Mode 1 Turn on the projector 2 Press Menu button on Remote Controller or Keypad choose OPTION 3 Choose SERVICE ...

Page 45: ...B value to get perfect image when image loss some kinds of color 3 Phosphor Wheel Index Adjust the R G B value to get perfect image when image loss some kinds of color 4 Error Log Record the times of the failure of power on of projector 5 Mode Adjustment Image adjustment of vertical and horizontal position 6 Reset Projector Hours Reset Projector Hours 7 Light Sensor Calibration Choose this functio...

Page 46: ...ve 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 1 Please press Menu button 2 Get into service mode refer to 4 2 3 To execute Factory Reset function ...

Page 47: ...crews as the red circle to the specification If yes Pls go to next step 2 Bore sight adjustment Adjust the three setscrews to let the entire image clear crisp and sharp Step 1 Use Ctrl focus key to adjust focus to make position 3 in focus Step 2 Once position 3 is in focus check position 1 If position 1 is not in focus use or key to adjust focus till it is in focus Step 3 If pressing key can focus...

Page 48: ...eria Blue colors in 64 Gray RGBW test pattern appear sharp and clear No noise is visible on the screen Procedure Project the 64 Gray RGBW pattern Enter into service mode Click wheel index 3x or select wheel index 2x Click phosphor wheel index Set up for the phosphor index value Only confirm the blue color level as the other color levels are not taken into account a Adjust the index upwards until r...

Page 49: ... 64 Gray RGBW 256 Gray test patern appear sharp and clear No noise is visible on the screen Procedure Project the 64 Gray RGBW pattern Enter into service mode Click wheel index 3x or select wheel index 2x Click filter index Set up for the color index value Only confirm the red color level as the other color levels are not taken into account a Adjust the index upwards until red does not appear smoo...

Page 50: ...n is 2 00 M This process should be done in the dark environment under 2 Lux Procedure 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 ...

Page 51: ...if the lens shift module is moving smoothly Criteria If the lens shift module is not moving smoothly or sound noising please change appropriate service part Procedure Put the projector on a horizontal surface Get into OSD menu Select SET UP by pressing down Press Lens Function Select Lens Calibration and press Enter to execute Lens Calibration ...

Page 52: ...he ABC calibration Inspection item Check if can do the ABC calibration successfully Criteria It appears Success after do ABC calibration Procedure Enter into service mode Select Light Sensor Calibration Press Enter At last it will display done or unsuccessful done means calibration pass unsucessful means calibration NG ...

Page 53: ...de Select ADC Calibration Help After a few seconds the ADC calibration status will change from Doing to Done 2 Video Calibration For BNC port Equipment Video generator output level 700 mv Test signal Timing 1280x800 60Hz WXGA 1920x1200 60Hz WUXGA Test pattern SMPTE BAR Criteria Check if the ADC calibration status has changed from Doing to Done Procedure Input the signal from BNC port On the IR rem...

Page 54: ...ter 5 Firmware Upgrade Section 1 Scalar MCU Formatter LAN FW upgrade 5 1 1 Equipment Needed Software EIKI B35LH Upgrade Firmware Wizard zip Hardware Projector Power Cord RJ45 cable CAT 5e PC or Laptop with Windows XP 7 ...

Page 55: ...e 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 ...

Page 56: ...lick Properties 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 ...

Page 57: ...4 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 ...

Page 58: ...EK 815U 5 5 6 Connect projector to computer by RJ 45 turn on projector Click next 7 Prepare to update projector Cleck next Cleck next ...

Page 59: ... the computer Do not turn off the projector or computer 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 ...

Page 60: ...e Pressing Up key then pressing Power key When you see the RJ45 s LED is flashing twice Connect projector with Mini USB cable to PC 2 Please download the latest firmware program file from website 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 Un...

Page 61: ...815U 5 8 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 ...

Page 62: ... PW808 firmware upgrade procedure is finished Note 1 The laser will not operate 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 ...

Page 63: ...ress directly 1 Execute the Upgrade_Wizard exe 2 Click Run as admin and Close firewall 3 Select Restore 4 Click next 5 Connect the projector to AC and power it on 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 ...

Page 64: ...Projector Setting Projector connects to PC with RS232 port and the projector serial port baud rate select 19200 Open the HPBU_Tester to write srial number 2 Procedure Select Load define Select different file for different kind of projector ...

Page 65: ...EK 815U 5 12 Select the COM port for RS232 Select Finish Setting Press Run to begin write serial number After show the result the serial number is written successfully ...

Page 66: ...ote 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 810U for example Appendix A Exploded Image EK 815U D C 15 ...

Page 67: ...V 6 See The Page III Rear Cover 7 See The Page V Assy Engine Module 8 75 792P1G001 POWER SUPPLY AD 1201W TERMINAL 380 115 65mm DL T SW V 9 ASSY MB BOTTOM SHIELDING 10 See The Page IV Main Board 11 MB TOP SHILEDING B35LH 12 SHIELDING LVPS B35LH 13 80 74K09G003 PCBA DRIVER BOARD ASSY FOR EK 815U PROJECT V 14 75 74K07G001 ASSY COVER TOP PLASTIC EIKI B35LH V 15 49 79202G002 FAN SUNON 120X25mm PWM CONT...

Page 68: ...Parts Supply 1 80 74K03G001 PCBA KEYPAD BD FOR B35LH V 2 KEYPAD RUBBER B35LH 3 70 74K59GR01 ASSY IO COVER FOR 74K B35LH V 4 80 74K07G001 PCBA LED BD FOR B35LH V 5 LABEL IO EIKI B35LH 6 SCREW PAN MECH III EK 815U Rear Cover ...

Page 69: ...d Item P N Description Parts Supply 1 HEX SPACER M3 3 0 W5 L20 0 2 80 74K01G003 PCBA MAIN BD ASSY FOR B35LH WUXGA EK 815U PROJECTOR V 3 80 74K06G002 PCBA IO BD FOR B35LH EK 815U MODEL PROJECTOR V 4 SCREW PAN MECH W SF M3 6 ...

Page 70: ...001 DMD 1920 1200 PIXEL 0 67 WUXGA 2xLVDS TYPE A DC3 7 TI V 3 80 79202G001 PCBA WUXGA DMD BD FOR A35LH PROJECT V 4 70 74K57GR01 ASSY FILTER WHEEL MODULE FOR 74K B35LH V 5 70 74K58GR01 ASSY COMBINER MODULE FOR 74K V 6 49 79204G002 FAN SUNON 55mmx55mmx15mm TWO BALL AXIAL FAN PWM CONTROL V 7 49 79202G002 FAN SUNON 120X25mm PWM CONTROL A35LH A70LH V ...

Page 71: ...arning LD XX_1 Shunt Circuit Warning LD XX LD B1 B6 R1 R2 LD XX_2 Shunt Circuit Warning LD XX_2 Shunt Circuit Warning LD XX LD B1 B6 R1 R2 LD Over Temperature Shutdown LD Over Temperature Shutdown Warning BANK X High Temperature Detect BANK X Temperature High 1 5 Blue bank 6 7 Red bank BANK X Over Temperature Detect BANK X Over Temperature 1 5 Blue bank 6 7 Red bank DMD temperature Warning DMD Hig...

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