Eiki EK-512X Service Manual
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Eiki EK-512X Service Manual

Lcd multi-media projector
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LCD Multi-media Projector
Service Manual
EIKI Model Name:
EK-512X
EK-511W
EK-510U

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Summary of Contents for Eiki EK-512X

  • Page 1 LCD Multi-media Projector Service Manual EIKI Model Name: EK-512X EK-511W EK-510U...

  • Page 2: Table Of Contents

    Contents Contents ................ 2 Safety operation guideline ..........3 Key lock, PIN code lock reset…………….……………. 10 Regular Maintenance ..........11 Filter counter reset…………………………..………..14 Lamp Replacement ............. 15 Order replacement lamp………………………….……………. 15 Lamp Replacement………………………….………..………… 16 How to check Lamp used time……………………...………… 17 Lamp counter reset …………………………………..…………...

  • Page 3: Safety Operation Guideline

    Safety operation guideline Safety instructions This document and your projector employ certain symbols to illustrate how to use your projector safely. They are described below: Please get yourself familiar with them before going through this document. Ignoring messages indicated by this symbol may lead to personal injuries or Caution deaths due to human errors.
  • Page 4 Safety operation guideline Notes Caution Safety precautions: ● GROUND your projector. ● Lens of your projector projects strong light. DO NOT look at the light beam directly. You may get your eyesight hurt. This is especially the case with children. ●...
  • Page 5 Safety operation guideline Note Precautions on location of your projector: ● Place your projector in a proper location or it may result in fire. ● DO NOT expose your projector in rain or high humidity environments or it may result in fire or electric shock.
  • Page 6 Safety operation guideline Note: Precautions on using your projector: ● DO NOT project the same image for long time as residual images may be left in the panel. This is a property of LCD panel. ● Use power as indicated in tags attached to your projector. If you have doubts over available power type, consult your dealer or local power company first.
  • Page 7 Safety operation guideline Air ventilation Openings in the casing are designed for ventilation and overheating prevention. DO NOT block or cover these openings to keep your projector in normal operation and from overheating. Note Heat exhaust at the air outlet Keep the following in mind when using or installing your projector: –...
  • Page 8 Safety operation guideline Place your projector correctly Use your projector at specified location in correct way. Invalid projector location may shorten life cycle of lamps or even lead to severe incidents or fire. Your projector may project upward or downward at location perpendicular to the horizon. When installing your projector inclined down- ward, place it in a bottom up position.
  • Page 9 Safety operation guideline Moving your projector: When moving your projector close its adjustment legs as they may damage the lens and casing. Keep your projector in suitable box when it is not to be used for a long time. Note: Precautions on moving or shipping your projector: ●...

  • Page 10: Key Lock, Pin Code Lock Reset

    Key lock, PIN Code lock reset This projector provides key lock, PIN code lock and Logo PIN code lock ensure the projector's operation safety. Only when users enter the correct password can you open your projector when you has set up the three security features. You won't start the projector without password.

  • Page 11: Regular Maintenance

    Regular maintenance Status light indicator The status light indicator shows status of projector protection function. Check status and POWER light indicator for good maintenance operation. Note Unplug the AC power cord in case of any abnormality as it may lead to fire or electric shock.
  • Page 12 Regular maintenance Clean your projector when it is contaminated by foreign matter or its display effects are getting worse. Note Unplug the AC power cord before any cleaning operation. Clean the lens Wipe the lens with clean cloth dampened with non-abrasive camera lens cleaner or clean it with lens cleaning paper or air blower.
  • Page 13 Regular maintenance Note on LCD Drive board  Please do not use your projector at place of dust and smoke. This may affects image qual- ity. Using your projector in place of dust and smoke may lead to piling dusts on lens, LCD panel, and lens components within it.

  • Page 14: Filter Counter Reset

    Filter counter reset Filter counter reset 1 Press MENU button and the OSD displays. Press button to select Expand menu Press button . 2 Press button to select "Filter Counter", Filter counter?” message displays. Select Yes to proceed. Note: Reset the filter counter after its cleaning or replacement.

  • Page 15: Lamp Replacement

    Lamp Replacement 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.: 22040005 Precautions on lamp operation Your projector employs high voltage lamp, which requires careful and correct operation. Fail to do so may lead to accidents, personal injuries, or fire.

  • Page 16: Lamp Replacement

    Lamp Replacement Lamp replacement The lamp replacement icon The lamp replacement icon displays when its usage life ends. Please replace it with a new one of the same model immediately. Note Do not replace the lamp after it went dark as it may be broken. Always assume the lamp of a ceiling mount your projector is broken when replacing it.

  • Page 17: How To Check Lamp Used Time

    Lamp counter Reset Suggestion If the filter is blocked by dust, the effect of cooling fan will be reduced, and heat accumulate in the projector, service life will be shortened. shorten the service life of the lamp. Cleaning filter is suggested after lamp replacement. Replacement Refer to "Clean the filter".

  • Page 18: Mechanical Disassembly

    Mechanical Disassembly Mechanical disassembly should be made following procedures Screw specifications in numerical order. (Type Diameter x Length) mm Following steps show the basic procedures, therefore unnecessary step may be ignored. T type M type Caution The parts and screws should be placed exactly the same position as the original otherwise it may cause loss of performance and product safety.
  • Page 19 Mechanical Disassembly Dust Filter and Lamp Cover removal For updated part numbers, please refer to RSPL. 1. Loosen 4 screws and remove Lamp Top Case Lamp Cover 63220115 63220082 Lamp 22040005 2. Loosen 2 screws and remove Dust Filter Cover Dust Filter Cover 63220122 Dust Filter_5mm...
  • Page 20 Mechanical Disassembly Top case Disassembly For updated part numbers, please refer to RSPL. 1. Remove Lens Ring and loosen 2 screws Lens Ring 2. Loosen 10 screws and remove Top Case(P/N : 63220115)
  • Page 21 Mechanical Disassembly Terminal sheet and Main Board Disassembly For updated part numbers, please refer to RSPL. 1. Loosen 11 screws and remove Top shield Metal. 2. Loosens 6 screws and remove 1 cable, then take off Terminal Board.
  • Page 22 Mechanical Disassembly Terminal sheet and Main Board Disassembly For updated part numbers, please refer to RSPL. 3. Loosen 4 screws. PCBA-Keypad 63730119 4. Loosen 6 screws. PCBA-IR-B 63730060...
  • Page 23 Mechanical Disassembly Terminal sheet and Main Board Disassembly For updated part numbers, please refer to RSPL. 5. Remove 20 cables. 6. Loosen 2 screws and remove LAN cable.
  • Page 24 Terminal sheet and Main Board Disassembly For updated part numbers, please refer to RSPL. 7. Loosen 9 screws, 6 hexagonal screws and remove 3 cables. PCBA_MB EK-510U 63730124 PCBA_MB EK-511W 63730101 PCBA_MB EK-512X 63730100 PCBA-AV Board 63730125 8. Loosen 2 screws and remove IO Board.
  • Page 25 Mechanical Disassembly LCD Driver Board Disassembly For updated part numbers, please refer to RSPL. 1. Loosen 5 screws and remove 4 cables. PCBA_Panel Board XGA/WXGA 63730121 PCBA_Panel Board WUXGA 63730122 2. Loosen 4 screws and remove Shield metal...
  • Page 26 Mechanical Disassembly HDBaseT Disassembly For updated part numbers, please refer to RSPL. HDBaseT is only for 511W/510U. EK-512X doesn’t have HDBaseT as shown in below picture. HDBaseT 63730130 1. Loosen 3 screws and remove 5 cables.
  • Page 27 Mechanical Disassembly Intake Fan(63260030) and Fan Driver Disassembly For updated part numbers, please refer to RSPL. Intake Fan 63260030 1. Loosen 4 screws and remove 1 cable from Fan Driver Board.
  • Page 28 Mechanical Disassembly Intake Fan and Fan Driver Disassembly For updated part numbers, please refer to RSPL. 2. Loosen 2 screws, 1 cable and remove Dust Filter Holder. Dust Filter Holder 3. Loosen 2 screws and remove 2 cables. PCBA_LED Board 63730120...
  • Page 29 Mechanical Disassembly Intake Fan and Fan Driver Disassembly For updated part numbers, please refer to RSPL. 4. Loosen 4 screws and remove 13 cables. PCBA_FAN Driver 63730126 5. Loosen 2 screws and remove Holder.
  • Page 30 Mechanical Disassembly Fan driver BD description Fan 1 63260053 FanL 63260053 F2*2 FanL Fan 2 Fan 3 63260051 F3*2 Fan for Panel 63260029 Fan for Panel Fan 4a Fan for Cooling Fan 4 63260050 Out-let Fan Fan 5 63260030 Fan for Lamp Fan 6 63260027 Fan for Lamp...
  • Page 31 Mechanical Disassembly Lens Holder Disassembly For updated part numbers, please refer to RSPL. 1. Loosen 5 screws and remove Lens Holder. PCBA_IR F Lens Holder Lens Button Holder 63730078 Lens Button...
  • Page 32 Mechanical Disassembly Speaker Ass’y Disassembly For updated part numbers, please refer to RSPL. 1. Loosen 4 screws and remove Holder. Speaker Rubber Speaker Rubber Speaker 63680005 Sponge of Speaker...
  • Page 33 Mechanical Disassembly Speaker Ass’y Disassembly For updated part numbers, please refer to RSPL. 2. Loosen 9 screws and remove Holder. Speaker-Fan housing Shield Metal of Speaker holder Fan for Cooling Fan for Lamp 63260050 63260028...
  • Page 34 Mechanical Disassembly Speaker Ass’y Disassembly For updated part numbers, please refer to RSPL. 3. Loosen 2 screws and remove Fan of Lamp.
  • Page 35 Mechanical Disassembly Power Supply and Ballast AC Filter Ass’y Disassembly For updated part numbers, please refer to RSPL. 1. Loosen 3 screws. In the back 2. Loosen 4 screws and remove 3 cables.
  • Page 36 Mechanical Disassembly Power Supply and Ballast AC Filter Ass’y Disassembly For updated part numbers, please refer to RSPL. Shield Metal of Power Supply Power Supply 63730123 3. Loosen 4 screws. Ballast 63670030...
  • Page 37 Mechanical Disassembly Power Supply and Ballast AC Filter Ass’y Disassembly For updated part numbers, please refer to RSPL. 4. Loosen 5 screws. AC Filter 63670022 Fuse 63740004...
  • Page 38 Mechanical Disassembly Optical Engine Ass’y Disassembly Optical Engine_EK512X 63010039 Optical Engine_EK511W 63010040 Optical Engine_EK510U 63010041 1. Remove Lens. Press of forward Lens 2.Loosen 7 screws. Duct-TOP of Lamp Cooling Fan Duct-BTM of Lamp Cooling Fan Fan for Lamp 63260027...
  • Page 39 Mechanical Disassembly Optical Engine Ass’y Disassembly For updated part numbers, please refer to RSPL. 4. Loosen 8 screws. In the back...
  • Page 40 Mechanical Disassembly Optical Engine Duct Ass’y Disassembly For updated part numbers, please refer to RSPL. Loosen 13 screws. Fan for Panel 63260051...
  • Page 41 Mechanical Disassembly Out-let Fan Ass’y Disassembly For updated part numbers, please refer to RSPL. Loosen 3 screws. Sponge for out-let-fan holder Top-out-let-fan holder Out-let Fan 63260031 BTM-out-let-fan holder Shield Metal of BTM Cover BTM Case 63220116...

  • Page 42: Service Mode

    Service Mode To enter Service Mode Press and hold “MENU” and  button for more than 3 seconds. Then the Service Mode will display as follows. How to operate Press “MENU” button to select the “Group” item, and press ▲ or button to adjust the number.

  • Page 43: Error History Log

    Service Mode Error History Log Enter the Service Mode and choose Group 220 Look at the right hand side item “Data Code”. Press “MENU” button to select the “No.” item. Press the ▲ button to change the number. No. 0: the last error No.

  • Page 44: Adjustment

    Service Mode Adjustment CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the following adjustments except requiring the readjustments in servicing otherwise it may cause loss of performance and product safety. Before taking these adjustments, turn the projector for more than 10 minutes to stabilize the operation.

  • Page 45: Adc Auto - Calibrate

    Service Mode ADC Auto – Calibrate 1). After entering Engineering Service mode, set Group to 260. (2). Display "16 gray scale" in full screen mode at laptop and project to projector with VGA1 signal...
  • Page 46 Service Mode (3). Select Data item with MENU key and set value to 1. VGA calibration will be processing automatically and will show after completing. (4). Project the same color bars pattern with Component signal.
  • Page 47 Service Mode (5). Select Group and set Data to to start auto Calibration. Will show OK after completing (6). Project the same color bars pattern with Video signal.
  • Page 48 Service Mode (7). Select Group and set Data to to start auto Calibration. Will show OK after completing. *If calibration fail, the unit will show NG...

  • Page 49: Flickering Adjust

    Service Mode Flickering adjust ( 1). After entering Engineering Service mode, set Group and set and set Data with UP and DOWN keys to set the red channel flickering (Adjusting value to make channel the least flickering) (2). Set Group to and set No.
  • Page 50 Service Mode (3). Group to 90 and set No. to 11 and set Data with UP and DOWN keys to set the blue channel flickering (Adjusting value to make blue channel the least flickering). (4). Press “ ” button to exit Service Mode. ON/STANDBY...

  • Page 51: Trouble Shooting

    Trouble shooting Light indicator status Check light indicator to learn status of your projector. Light indicator Status of your projector POWER STATUS FILTER The projector is in Off status (without AC power supply). The projector is in standby status. Press Standby button to turn it on. The projector is in normal operation status.
  • Page 52 Trouble shooting Power on abnormal Follow the steps below for check While in Standby Power abnormal Main board abnormal Check whether main Power light Off. Check Whether Power board(MB) defective & supply & connections or it's connection whether Fuse defective plug well Change Power supply or Change Main Board...
  • Page 53 Trouble shooting Image display abnormal Follow the steps below for check Signal input ; but no Check signal processing and LCD driver board. image display Check the power supply. Check the connection between the main board to LCD driver board PC1 input ;...
  • Page 54 Trouble shooting Solution Trouble shooting – Plug the power cord of your projector in an AC socket. Power on failure – Make sure the POWER light indicator turns red. – Restart your projector until the POWER light indicator turns red. It indicates your projector is ready for power on again.
  • Page 55 Trouble shooting – Check for the connection between your projector and computer or No image displays image equipment. – Check for correct input signal from computer. Connection with certain notebook computer may mandate changes to its display output settings. See the user manual included with the computer for details on settings.
  • Page 56 Trouble shooting – Check status of your projector according to the light indicator Light indicator turns on or flashes status. – Invalid operation, please operate your projector correctly. Exclamation mark displays – Disable the key lock on control panel function in the Safety option Control panel does not function of the Setup menu.

  • Page 57: Appendix-Serial Control

    Appendix Serial Control Serial interface 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 interface D-Sub 9 pin (male) D-Sub 9 pin (Female) Communication cable (straight type) The pin layout and signal D-Sub 9 pin (male)

  • Page 58: Appendix-Rs232 Control Mode

    Appendix RS232 control mode Serial connection 1.1 Port setting Project 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. Projector terminal Computer terminal 1 N.C.

  • Page 59: Appendix-Rs232 Control Commands

    Appendix 2. Basic commands Distinguish the letter case, and enter Each command ends with [CR] (enter) . Command Option Command Option POWER ON Video POWER OFF(Shut down immediately) Component POWER OFF S-Video HDMI1 Network HDMI2(MHL) Memory Viewer VGAIN 1 USB Display RGBHV HD-BaseT 2.1 POWER ON command...
  • Page 60 Appendix 2.5 VG AI N 1 command “C05”[CR] Command Details Select VGAIN 1 input. [ACK]［CR］ Return Value Receive Successfully “？” [CR] Receive unsuccessfully 2.6 RGBHV command “C06”[CR] Command Details Select RGBHV input . [ACK]［CR］ Return Value Receive Successfully “？” [CR] Receive unsuccessfully 2.7 S-Video command “C34”...
  • Page 61 Appendix 2.10 HD- BaseT command “C32”[CR] Command Details Select HD-BaseT input. [ACK]［CR］ Return Value Receive Successfully “？” [CR] Receive unsuccessfully 2.11 Memory Viewer command “C16”[CR] Command Details Select Memory Viewer input . [ACK]［CR］ Return Value Receive Successfully “？” [CR] Receive unsuccessfully 2.12 USB Display command “C17”...

  • Page 62: Appendix-Pcb Diagram

    Appendix PCB Diagrams PCB-Main board (A) PCB-Main board (B) PCB-Fan Driver (A) PCB-Fan Driver (B)
  • Page 63 Appendix PCB Diagrams PCB-LCD Driver (A) • = ---=--- PCB-LCD Driver (B) • · 381009601 · -- · · • • • PCB-AC Filter (A) PCB-Power Supply (B) R 39 D 12 R 46 R 16 R 12 D 13 R 100 C 21 R 47...
  • Page 64 PCBA - Main for EK-502X 63730066 PCBA - Main for EK-510U - S6 63730124 PCBA - Main for EK-511W - S6 63730101 PCBA - Main for EK-512X - S6 63730100 PCBA - AV Board - S6 63730125 PCBA - IO Board - S5 63730077...

This manual is also suitable for:

Ek-511wEk-510u

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