Related Manuals for Eiki EK-501W
Summary of Contents for Eiki EK-501W
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Page 1: Service Manual
LCD Multi-media Projector Service Manual EIKI Model Name: EK-501W/ EK-502X/EK-500U... -
Page 2: Table Of Contents
Contents Contents ............2 Safety operation guideline .......3 Regular Maintenance ........11 Lamp Replacement ........15 Mechanical Disassembly........16 Adjustment.............30 Troubleshooting ..........31 Appendix............35... -
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 Caution or 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 Safety Precautions Safety Caution in moving or transporting the projector Caution - Do not drop or bump the projector, otherwise damages or malfunctions may result. ELECTRIC SHOCK DO NOT OPEN - When carrying the projector, use a suitable carrying case. CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK), - Do not transport the projector by courier or any other...
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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: Clean The Lens
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 Reset the filter counter 1 Press MENU button and the OSD displays. Press button to select Setup menu, press button or OK. 2 Press button to select "Filter Counter", Setting 设置 press button or OK. Press button to Filter counter select “Reset the filter counter”...
- Page 14 Regular maintenance Follow steps below to replace the lamp: 1. Power off your projector and unplug the AC power cord. Let it cool down for at least 45 min- utes. 2. Open the lamp cover after removing screws holding the cover. 3.
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Page 15: Lamp Replacement
Lamp Replacement 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 16: 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 17 Mechanical Disassembly Remove the filter and lamp cover. Loosen 2 screw A (M3X8) and remove Air filter cover Loosen 2 screw A (M3X8) remove the Lamp cover. The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL B07-1 B07-2...
- Page 18 Mechanical Disassembly Remove the Lens Ring and Top-Case cabinet. Remove the Lens ring and Loosen 2 screw B(M3X8) Loosen 4 screw B at the Lamp cover side. 2 screw B on rear-side, 3 screws B from Dust filter's side, and remove the top case cabinet.
- Page 19 Mechanical Disassembly Remove the terminal sheet and Main board. Loosen 17 screw A (M3X8) remove the Top shield metal of Main Board (MB) 3-1. Loosen 4 screw A (M3X8) remove the Terminal Board of Main Board (MB) 3-2. The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL Top shield metal...
- Page 20 Mechanical Disassembly Remove the terminal sheet and Main board. Loosen 7 screw A (M3X8) remove the Main Board 3-3. Loosen 4 screw A (M3X8) remove the BTM-shield metal of Main Board 3-4. The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL PCBA-IR-B Main Board (MB)
- Page 21 Mechanical Disassembly Remove the sheet metal and LCD Driver PCBA. 4-1. Loosen 5 screw B (M3X8) remove PCBA-LCD Driver 4-2. Loosen 5 screw A (M3X8) remove the BTM-shield metal of PCBA-LCD Driver The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL PCBA-LCD Driver Shield sheet metal of...
- Page 22 Mechanical Disassembly Remove the Intake Fan and Fan Driver PCBA. 5-1. Loosen 4 screw A (M3X8) remove Fan holder and Intake Fan. 5-2. Loosen 2 screw A (M3X8) remove the Dust Filter holder The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL Fan holder Intake...
- Page 23 Mechanical Disassembly Remove the Intake Fan and Fan Driver PCBA. 5-3. Loosen 2 screw A (M3X8) remove PCBA_IR 5-4. Loosen 4 screw B (M3X8) remove the PCBA_FAN Driver 5-5 Loosen 4 screw C (M3X8) remove the PCBA_FAN Driver Holder The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL D03 PCBA_IR(front) D02 PCBA_FAN Driver...
- Page 24 Mechanical Disassembly Remove the Speaker Ass'y 6-1. Loosen 4 screw A (M3X8) remove Speaker Ass'y 6-2. Loosen 8 screw B (M3X8) remove the Speaker Holder Ass'y The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL A A A Speaker...
- Page 25 Mechanical Disassembly Remove the Power supply and Ballast AC Filter Ass'y 7-1. Loosen 3 screw A (M3X8) remove Power supply Ass'y 7-2. Loosen 4 screw B (M3X8) remove the Power supply from shield metal of Power supply Ass'y The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL Power Supply PN: 63670019...
- Page 26 Mechanical Disassembly Remove the Power supply and Ballast AC Filter Ass'y 7-3. Loosen 4 screw A (M3X8) remove AC Filter 7-4. Loosen 4 screw B (M3X8) remove the Ballast The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL Ballast PN: 63670018...
- Page 27 Mechanical Disassembly Remove the Optical engine and Lamp-fan & Optical engine duct Ass'y 8-1. Loosen 2 screw A (M3X8) remove Lens Button. Loosen 5 screw B(M3X8) remove the Lens holder. 8-2. Loosen 4 screw A (M3X8) remove Lamp Cooling fan Ass'y. Loosen 3 screw B(M3X8) disassembly the lamp cooling fan duct and remove out Lamp Cooling Fan.
- Page 29 Mechanical Disassembly Remove the Out-let fan Ass'y 9-1. Loosen 2 screw A (M3X8) remove Out-let fan Ass'y. The chapter is only designed to show exploded image of the projector. For updated part numbers, please refer to RSPL Top-Out-let-fan holder Sponge for Out-let Fan Out-let-fan PN:63260031...
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Page 30: Adjustment
Adjustment Service adjustment menu operation 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 31: Troubleshooting
Troubleshooting 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 32 Troubleshooting Troubleshooting Solution Power on failure – Plug the power cord of your projector in an AC socket. – 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 33 Troubleshooting No image displays – Check for the connection between your projector and computer or 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 34 Troubleshooting Light indicator turns on or – Check status of your projector according to the light indicator flashes status. Exclamation mark – Invalid operation, please operate your projector correctly. displays Control panel does not – Disable the key lock on control panel function in the Safety option function of the Setup menu.
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Page 35: Appendix
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 Pin number... - Page 36 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 CD 1 1 n.C.
- Page 37 Appendix 2. Basic commands Distinguish the letter case, and enter Each command ends with [CR] (enter) . Command option Command option PoWER on Component PoWER oFF (Shut down immediately ) C07 PoWER oFF Video HDmi RgBHV 2.1 PoWER on command Command “C00”[CR] (Sixteen decimal value: 41 30 30 0d) Power on action...
- Page 38 Appendix 2.5 ComPonEnT command Command “C07”[CR] (Sixteen decimal value: 41 30 37 0d) Details Select Component input. Receive Successfully [ACK]［CR］ Return Value Receive unsuccessfully “？” [CR] 2.6 DVi command Command “C32”[CR] (Sixteen decimal value: 41 33 32 0d) Details Select DVi input . Receive Successfully [ACK]［CR］...
- Page 39 Appendix PCBA Diagrams PCBA-Main board (A) PCBA-Main board (B) PCBA-Fan Driver (A) PCBA-Fan Driver (B)
- Page 40 Appendix PCBA Diagrams PCBA-LCD Driver (A) PCBA-LCD Driver (B) PCBA-AC Filter (A) PCBA- Power supply (B)