Eiki EK-300U Service Manual
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Eiki EK-300U Service Manual

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LCD Multi-media Projector

Service Manual

EIKI Model Name:
EK-300U
EK-301W
EK-302X
EK-303U
Version: 1.2
2016/10/15

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Summary of Contents for Eiki EK-300U

  • Page 1: Service Manual

    LCD Multi-media Projector Service Manual EIKI Model Name: EK-300U EK-301W EK-302X EK-303U Version: 1.2 2016/10/15...
  • Page 2 ................................................0 Warraning ............2 ........... 3 ............. 4 ..16 Appendix-Technical Specification........23 Appendix-Configuration of terminals.......24 Serial control ..25 RS232 control mode ..26 RS232 control commands..Appendix-PABA Diagrams ....0...

  • Page 3: Safety Precautions

    Please read this manual completely before installing Safety precautions and operating the projector. The projector provides many convenient features Caution: The projector must be grounded. and functions. Proper operation may enable you to Do not expose the projector to raindrops fully utilize the features and keep it in good condition.

  • Page 4: Air Circulation

    Air circulation Installing the projector properly Vents in the cabinet are provided for ventilation. Please set the projector on nearly-level. To ensure reliable operation of the product and Be sure to install the projector properly. to protect it from overheating, these openings Improper installation may reduce the lamp must not be blocked or covered.
  • Page 5 O NOT...
  • Page 6 Thermal switch Lamp cover switch Fuse U US F FUS ON U How to replace the fuse Fuse...
  • Page 7 If forget all password, thus please following the steps to reset the PIN lock or Logo PIN lock: 1. Un-plug the projector 2. Press (Power) button at same time then plug on AC power cord. 3. The unit will be reseted to defult password: 111...

  • Page 8: Maintenance And Cleaning

    Maintenance and cleaning fans’ effectiveness and may result in a buildup of internal heat and adversely affects the life of 1 Turn off the projector, and unplug the AC power cord from the AC outlet. Filter Recommendation Caution We recommend avoiding dusty/smoky Do not operate the projector with environments when you operate the projector.
  • Page 9 Maintenance and cleaning Clean the projector lens Unplug the AC power cord before cleaning. Gently wipe the projection lens with a cleaning cloth that contains non-abrasive camera lens cleaner, or use a lens cleaning paper or commercially available air blower to clean the lens.

  • Page 10: Lamp Replacement

    Lamp Replacement When the projection lamp of the projector Lamp replacement icon reaches its end of life, the Lamp replacement icon appears on the screen. Replace the lamp Lamp replacement with a new one of the same type promptly. The timing when the lamp replacement icon appears is depending on the lamp mode.

  • Page 11: Replace The Lamp

    Replace the lamp Order Replacement lamp Replacement lamp can be ordered through your dealer. When ordering a projection lamp, give the following information to the dealer. Replacement Lamp Model No.: 23040049 LAMP HANDLING PRECAUTIONS This projector uses a high-pressure lamp which must be handled carefully and properly. guarantee of the same life for each lamp.
  • Page 12 Note: projector is turned on again, the...
  • Page 16 & Top case LCD Driver board Speaker...

  • Page 17: Mechanical Disassembly

    Mechanical Disassembly Dust filter, Top Case removal 1. Open dust filter cover and remove out Dust filter 2. Loosen 1screw B, 11 screw A, remove Lamp cover and Top case . The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL Dust Filter PN: 63340044...
  • Page 18 2. Loosen 7 screws A and remove Main board& AV board Ass'y The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL EK-301W/302X EK-300U/303U LCD Driver BD LCD Driver BD PN: 63730080 PN: 63730092...
  • Page 19 Mechanical Disassembly Optical Engine(OE) and Speaker disassembly . Loosen 4 screw and remove OE The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL OE+IRIS Ass'y-EK300U/303U_PN:63010029 OE+IRIS Ass'y-EK301W_PN: 63010030 OE+IRIS Ass'y-EK302X_PN:63010031 Lamp Ass'y PN: 23040049...
  • Page 20 Mechanical Disassembly Fan of OE & Lamp duct disassembly 1. Loosen 11 screw A, and remove OE Duct Ass'y Loosen 3 screw C, and remove Fan of Penal. The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL Fan-LS Thermal Switch...
  • Page 21 Mechanical Disassembly Fan Driver PCBA & Power supply and Ballast disassembly 1. Loosen 3 screwC remove Fan Driver PCBA 2. Loosen 4 screwA and 4 screwB remove Power and Ballast Ass'y PCBA-IR Front PN: 63730088 PCBA-Fan Driver PN: 63730096 Power supply PN: 63670026 Ballast PN: 63670027...
  • Page 22 Mechanical Disassembly Case of Bottom disassembly Take off 5 screws and shield metal of BTM case. Take off adjust foot and it's button. The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL BTM Case PN:63220091...
  • Page 23 Appendix LCD system XGA: 0.63" TFT, active matrix, 3-panel WXGA: 0.59" TFT, active matrix, 3-panel WUXGA: 0.64" TFT, active matrix, 3-panel LCD resolution XGA: 1024X768 / WXGA: 1280X800 / WUXGA: 1920X1200 Compatible signals Color standard PAL, SECAM, NTSC, NTSC4.43, PAL-M, PAL-N and PAL60 HDTV signal 480i, 480p, 576i, 576p, 720p, 1035i, 1080i and 1080p Scanning frequency...

  • Page 24: Lan Terminal

    Appendix terminal pin assignments and signal names VGA IN 1 YPbPr S-Video ----- DDC data HD/SYNC DDC clock terminal pin assignments and signal names VGA IN 2/VGA OUT ----- ----- DDC data HD/SYNC DDC clock RS232 terminal (D-SUB-9 pin) LAN terminal ----- TX + -----...

  • Page 25: Serial Port

    Appendix Serial control Serial port The <Serial Input> terminal of the projector is in accordance with RS-232C, so the projector can be connected to the computer and controlled by the computer. Connection Projector port D-Sub 9 pin (Male) D-Sub 9 pin (Female) Communication cable (Cross type) The pin layout and signal Pin number...
  • Page 26 Appendix RS232 control mode Serial connection 1.1 Port setting Projector Setpoint Communication method Asynchronous communication Communication rate 19200 Length 8-bit Parity check Stop position Flow control 1.2 Connection mode Can only use RS232 serial cross connect PC and projector. VGA terminal Projector terminal CD 1 1 N.C.

  • Page 27: Rs232 Control Commands

    Appendix RS232 control commands Distinguish the letter case, and enter Each command ends with [CR] (enter) . Command Option Command Option POWER ON Video Component POWER OFF(Immediatly) POWER OFF S-Video HDMI1 NETWORK HDMI(MHL) MEMORY VIEWER VGA IN 1 USB DISPLAY VGA IN 2 2.1 POWER ON command Command...

  • Page 28: Serial Control

    Serial control 2.4 HDMI 1 command Command Details Select HDMI Input. Receive Successfully [ACK]［CR］ Return Value Receive Unsuccessfully “ 2.5 VGA IN 1 command Command Details Select VGAIN 1 Input Receive Successfully [ACK]［CR］ Return Value Receive Unsuccessfully “ 2.6 VGA IN 2 command Command Details Select VGAIN 2 Input...
  • Page 29 Serial control 2.9 NETWORK command Command Details Select NETWORK Input . Receive Successfully [ACK]［CR］ Return Value Receive Unsuccessfully “ 2.10 MEMORY VIEWER command Command Details Select MEMORY VIEWER Input . Receive Successfully [ACK]［CR］ Return Value Receive Unsuccessfully “ 2.11 USB Display command Command Details Select USB Display Input...

  • Page 30: Pcb Diagram

    PCB diagram Main board PCB (A) Main board PCB (A) Main board PCB (B) Main board PCB (B) Fan PCB (A) Fan PCB (A) Fan PCB (B) Fan PCB (B) DIA-2...
  • Page 31 PCB diagram Only for XGA&WXGA series: LCD drive board (A) LCD drive board (A) LCD drive board (B) LCD drive board (B) Only for WUXGA series: LCD drive board (A) LCD drive board (A) LCD drive board (B) LCD drive board (B) DIA-3...
  • Page 32 PCB diagram Filter board Filter board Power board (A) Power board (A) Power board (B) Power board (B) DIA-4...
  • Page 33 PCB diagram Terminal (A) Terminal (A) Terminal (B) Terminal (B) Key button and LED board (A) Key button and LED board (A) Key button and LED board (B) Key button and LED board (B) Remote control board (A) Remote control board (A) DIA-5...
  • Page 34 PCB diagram Remote control board (B) Remote control board (B) Temperature board (A) Temperature board (A) Temperature board (B) Temperature board (B) Note: Picture can suits XGA & WXGA & WUXGA series without any other description separately. DIA-6...

This manual is also suitable for:

Ek-301wEk-302xEk-303u

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