Service manual

ManualsBrandsEpson ManualsProjection TVEMP-1815

Service Manual

Data Projector

EMP-1825/

EMP-1815/

EMP-1810

Summary of content (117 pages)

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Data Projector Service Manual EMP-1825/ EMP-1815/ EMP-1810
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL INTRODUCTION This Service Manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the EMP-1825/1815/1810. This information is intended for the experienced repair technicians, and attention should be given to the precautions on the preceding pages. This manual consists of four chapters and Appendix.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL REVISION HISTORY After first release of this manual, the parts and mechanism may be subject to change for improvement of their performance and the manual may be revised. Be sure to always keep this manual up to date. History Date Detail of change Rev.A 2006.12.27 First Release Rev.B 2007.4.13 P4-17 Change in SW cable forming Rev.C 2007.11.30 All pages Additional information added for EMP-1825.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL IMPORTANT PRECAUTIONS IN SAFETY AND MAINTENANCE PERFORMANCE Here describes the important points to keep in mind in repair and maintenance performance. Symbols To prevent injury to the repair technicians and to protect the devices, the categorized safety instructions are provided in this manual with the symbols below. Be sure to read and understand their meanings before proceeding to the next section.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL Safety Instructions The precautionary measures itemized below should be fully understood when performing repair and maintenance procedures. When disassembling/assembling, be sure to turn off the power switch and pull out the power cable from the projector beforehand.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL Never use or replace with any service parts that is not specified by EPSON. Be sure to perform the repair/maintenance work on the even and stable work bench to prevent the product from dropping down or mal-operation due to the improper setting of the product. Be sure to wear the gloves during the repair/maintenance work to avoid injuries by the parts with sharp edges such as metal plate or the like. To protect sensitive circuitry, follow the instructions below.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL Chapter 1 Product Specifications 1.1 Product Features ..................................................................................... 1-2 1.1.1 Features of the Projector............................................................... 1-2 1.2 Specifications........................................................................................... 1-3 1.3 External Views .........................................................................................
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 4.4 Removing the Engine/Boards ................................................................ 4-20 4.4.1 Removing the Optical Engine and MAB (1) (MA Board Assy.) ... 4-20 4.4.2 Removing the Inner Exhaust Duct B/TH Board Assy. ................. 4-40 4.4.3 Removing the Optical Engine and MAB (2) (Optical Engine)...... 4-42 4.5 Removing Other Main Parts................................................................... 4-46 4.5.
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Chapter 1 Product Specifications
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 1.1 Product Features The EMP-1825/1815/1810 is a portable data projector in a compact body and with the following features. 1.1.1 Features of the Projector EMP-1825/1815/1810 Common Features Quick Setup This feature corrects distortion in the projected image by a simple one-touch operation. Images can be corrected and matched to the size of the screen to simplify preparations.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 1.2 Specifications MODEL Specification of main parts LCD Size EMP-1825/1815 EMP-1810 0.8-inch with MLA D5 Projection Lens Lamp Brightness (Color mode: Game, Zoom: Wide) Pixel number 786,432 dots (1024 x 768) x 3 Native Resolution XGA Aspect ratio 4:3 Type Manual zoom / Manual focus Zoom ratio 1-1.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 1.3 External Views 78.1 13.8 137.8 40 181.1 117 11.9 119 72.2 100.8 148 257 135 59 112 18 56.5 345 33.2 34.4 29.1 4.8 47.1 8.8 95.3 86.5 21.4 90 50 115 127 61.6 6.2 80 12 98 M4x9-3 Unit: mm Figure 1-1.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.07 0.54 5.43 1.57 7.13 4.61 0.47 4.69 2.22 2.84 3.97 5.83 10.1 5.31 2.32 4.41 0.71 13.6 1.31 1.35 1.15 0.19 1.85 0.35 3.75 3.41 0.84 3.54 1.97 4.53 5.0 2.43 2.44 3.15 0.47 3.86 M4x9-3 Unit: inch Figure 1-2.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 1.4 Dimensions for Ceiling Mount 15.5 26.5 50 7 160 19 73 14 Ø 80 141.5 5° 25° 30 52 5°5° 51.5 21.5 100.5 63.5 153.5 117 140 191.5 Unit: mm Figure 1-3.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 0.61 1.04 2.87 1.9 0.28 5 0.5 6.3 0.75 7 Ø 3.15 5.57 2.5 6.04 4.61 5° 25° 1.18 2.05 5°5° 2.03 0.85 3.96 5.51 7.54 Unit: inch Figure 1-4.
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Chapter 2 Theory of Operation
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 2.1 Internal Components The main components that make up the projecter are shown in the figure below. Upper Case EMP-1825/1815 Wireless LAN Control Panel MA Board Assy. IM Board Assy. Lamp Unit Exhaust Fan TH Board (Lamp Thermistor) Optical Engine Safety Switch Lamp Fan PS Ballast Assy. PBS Fan PS Fan Intake Fans Figure 2-1.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 2.2 Hardware Overview The hardware of this projector consists of the optical block and the electrical circuit components. The overview of the hardware and functions is shown below.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 2.2.1 Electrical Circuit Components The components and their functions are explained below. Component name The circuit board that controls the whole system and functions of the projector. The main functions are listed below. • Degitally processes the input data from the external devices. • Generates the drive signals of the L/V (R/G/B). • Controls the external I/O interface. • Drives and controls the Lamp.
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EMP-1825/EMP-1815/EMP-1810 L/V (R/G/B) Photo Interrupter P/S Fan CN1305 CN1202 CN1204 Intake Fan B CN1303 PS Ballast (SCI) (EMP-1800 only) CN500 IS Board CONFIDENTIAL PS Ballast (Power) CN2200 CN1203 Control Panel CN2400 L/V Thermistor Intake Fan A CN1301 CN1306 Speaker Lamp Fan CN1302 CN1300 CN1201 CN1900 CN1304 CN2100 TH Board Lamp Lid Detection SW EX Fan IM Board CN502 (EMP-1825/1815 only) CN2000 PBS Fan CN1205 CN1307 RC Board Figure 2-3.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 2.2.2 Optical Engine The Optical Engine consists of the Lamp Unit, the Light Guide Unit, the POP (Panel-onPrism) Unit, and the projection lens. Focus Ring Zoom Ring ProjectionLens POP Assembly (Prism Unit + L/V(R/G/B)) Light Gu ide U nit Figure 2-4. Optical Engine Component Name Lamp Unit Function/Other An UHE-210W high-intensity discharge lamp is used as the light source. In addition, a UV filter protects the LCDs from harmful ultraviolet light.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 2.3 Temperature Control The internal temperature of this projector is monitored by the sensors (the Lamp thermistor, L/ V thermistor) in order to protect the projector from internal overheat, which may cause unsafe state or damage to the projector. The fans’ revolutions are controled according to the detected temperature data. The fans’ revolutions are altered by changing the driving voltage based on the detected data.
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Chapter 3 Troubleshooting
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.1 Before Carrying Out Troubleshooting • If repairs involving the replacement of parts or components have been carried out, always be sure to re-check whether the replacement parts themselves are operating correctly or not in order to determine whether the problem is the result of something such as a loose connector. • All instructions and procedures listed in troubleshooting flowcharts should be carried out as given.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.2 Basic Information on Troubleshooting This section describes basic information needed when executing the troubleshooting. 3.2.1 LED Indicators The control panel has three LEDs that indicate the operating status of the projector. Power indicator Lamp indicator Temp indicator Figure 3-1 LED Indicators The following tables show what the indicators mean and how to remedy any problem indicated. Power indicator lights red: Abnormal ON Table 3-2.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL Table 3-2. LED Indicator Status (Error) Indicator Status Red Red Projector Status Problem and Remedy Fan Error Sensor Error [Status] Abnormality is detected from any of the fans or the sensors mounted on the projector. (Fan’s abnormality: irregular revolution/disconnection, Sensor’s abnormality: irregular value detected/disconnection) [Remedy] Check the connections between the fans/sensors and the MA board.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL Lamp or Temp indicator flashes orange: Warning ON Blink OFF Varies according to the projector status Table 3-3. LED Indicator Status (Warning) Indicator Status Red Projector Status Problem and Remedy High Temp Warning (This is not an abnormality. However, if the temperature rises too high again, projection stops automatically.) • Check that the air filter and air exhaust vent are clear, and that the projector is not positioned against a wall.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.2.2 Cable Connection and Projector’s Status The projector’s status when disconnection occurs somewhere is described below. When some irregular status is seen, refer to the following table and check the doubted connectors are securely connected. If there is a disconnection or a loose connection, connect it firmly. (For the procedure to remove the Upper Case, refer to 4.3.4 "Removing the IF-IM Case/Upper Case Unit AJ" (p.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL Table 3-4. Mal-connection and the Projector’s Status Lamp Lid Detection SW The power can turn on and the projection starts, but instantly the projector changes to the Lamp Error mode. (refer to 3.2.1 "LED Indicators" (p. 3)) The power turns off after a certain period of cooling. But the error message continues to be on. CN1202 PS Ballast (SCI) The power can turn on and the power indicator blinks, but the lamp is not ignited, so no image is projected.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL Table 3-4. Mal-connection and the Projector’s Status Connection (EMP-1825/1815 only) MA board CN502 IM board Connected to IM board Connected to CN1303 MA board CN801 USB board CN1300 IS board IS board CN10 SEIKO EPSON Connected to IM board Status The power can turn on and the projection starts normally. On the bottom left, the message that EasyMP is starting continues to be displayed for a few minutes. But the menu button works normally.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.3 Troubleshooting Following the Basic Checking Flowchart below, check the trouble and refer to the flowchart corresponding to it (the charts are provided from the next page). C A U T IO N If the Optical Engine and MAB set and/or the IS board assy. is/are replaced as the remedy, be sure to refer to the Chapter 5 "Adjustment" (p. 1) and make the corresponding adjustment. 3.3.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.3.2 Abnormality Check START Yes Any abnormal noises? ࡮Check the fans for any foreign objects around them. ࡮The cause might be a malfunction of the power supply unit (pulse transformer vibration, etc.). No Yes Overheated? ࡮Check the thermistors and Safety Switch for malfunction. ࡮Check the fans for dirt or abnormality. ࡮Check the Air Filiter for dirt. ࡮Check the Optical Engine for malfunction.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.3.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.3.4 Connection Check C A U T IO N Before starting the checking work, be sure to turn off the power and detach the AC cable. (refer to 3.2.2 "Cable Connection and Projector’s Status" (p.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL From previous page PS Ballast ࡮MA board CN2200‫ޔ‬CN1202 P/S Fan ࡮MA board CN1305 Lamp Lid Detection SW ࡮MA board CN1201 Lamp Fan ࡮MA board CN1306 Speaker ࡮MA board CN2400 (EMP-1825/1815's case) IM board ࡮MA board CN502 (EMP-1810p's case㧕 Remove MAboard IS board ࡮MA board CN500 IS board ࡮IM board CN1300 MA board ࡮IM board CN1303 USB board ࡮IM board CN801 Install MA board Install Upper Case Flowchart 3-5 Connection Check (2) SEIKO EPSON 3-13
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.3.5 Power ON/OFF & Initialization Check Start Connect AC cable 1.When pressing [Power] button on Control Panel, does indicator flash green, then light green? 2.Does the lamp illuminate? 3.Does indicator flash orange for approx. 2 seconds, then light orange? NG 1. Re-connect MA board CN1203 correctly. NG 2. Replace Control Panel NG 3. Replace PS Ballast Assy. NG 4. Replace Optical Engine and MAB set.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.3.6 Image Display & Quality Check C A U T IO N The image quality can also be affected by condensation or by a dirty lens. If condensation forms, the problem will correct itself naturally if the projector is left to stand for a while. Start 1.Set the projector on an even workbench. 2. Press [Power] button to turn the power ON. No Replace Lamp. Does Lamp illuminate? Yes 1.Is the image projected? 2.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL From previous page Is the image vivid? No 1. Clean Projection Lens. Yes NG 2. Clean the periphery of L/V. Connect PC to the computer terminal, and project an image. If the image is not vivid enough, apply the remedy from the top (1). If it does not work, go on to the next remedy. No Is the image projected? 1. Replace the cable. Yes NG Press [Source Search] button, and switch to the corresponding source. 2. Replace Optical Engine and MAB set.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.3.7 Audio I/O’s Check Start 1. Input PC input to audio I/F. 2. Press [Source Search] button and switch to the corresponding souce. 3. Output sound from the Speaker. 1. Re-connect MA board CN2400 correctly. NG 1. Does the sound output from Speaker? 2. Replace Speaker NG NG 2. Is the volume control effective? 3. With [A/V Mute] button, is the function of stopping /resuming the sound effective? 3. Replace Optical Engine and MAB set.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.3.8 Lens Shutter’s Operation Check Start 1. Replace the corresponding cable. NG Does AV Mute function start/stop, when closing/opening the shutter? NG 2. Replace Photo Interrupter. NG 3. Replace Optical Engine and MAB set. If theAV Mute does not work correctly, apply the remedy from the top (1). If it doesnot work, go on to the next remedy. For more information, refer to 4.3.4.2. "Removing the Lens Shutter B/Lens Shutter A/Photo Interrupter" (p. 18) / 4.4.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.3.9 Control Panel’s Operation Check Start 1. Does pressing [Power] button turn the power on/off? 2. Does pressing [Menu] button display the menu window? 3. Does pressing [Source Search] button change input sources? 4. Does pressing [Help] button display the help window? 5. By pressing [Enter] button, is the selected item effective? 6. By pressing the keystone buttons, is the adjustment effective? 7.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.3.10 RC & Projector’s Operation Check Start 1. By pressing [Power] button on Remote Controller, Is turning the power on/off effective ? 2. Do all the buttons work properly? 3. Is the control effective approx. 6m away from the front/back of the projector? NG 1. Select [Remote Receiver] from the menu, set all the receivers active. NG 2. Replace the batteries of the controller. NG 3. Replace the controller. NG 4. Replace Optical Engine and MAB set.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL 3.3.11 Wireless/Wired LAN’s Operation Check (EMP-1825/1815 only) Start Is Easy MP window displayed? 1. Is the connected-to-network simbol displayed on PC's monitor? NG 2. Is the projector recognized on PC's EMP monitor? NG 1. Restart the projector. 1. Re-set Wireless LAN correctly. NG NG 2. Re-configure the Easy MP farmware by download it again. 2. Re-configure the network with Easy MP. NG NG 3. Check the setting of EMP monitor on PC again. NG 4.
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Chapter 4 Disassembly/Assembly
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.1 Overview This chapter describes the procedures for disassembling and assembling the main components of the EMP-1825/1815/1810 projector. Unless otherwise specified, reassembly is the reverse of the disassembly procedure. Read the precautions described in the next section before starting. 4.1.1 Precautions Some procedures require specific precautions that must be followed, and those will be noted throughout this chapter.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.1.2 Precautions which must be taken when servicing The precautions given below must be always observed whenever you disassemble/reassemble the projector to maintain the quality. Make sure to also observe the WARNING and CAUTION precautions given in each section describing disassemble/reassemble procedure of each unit or component in this chapter.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.1.4 Tools and Equipment The table below lists the tools and equipment required for servicing the projector. All are commercially available, and should be made ready beforehand. Table 4-1. Name Qty. Application Phillips screwdriver No. 0 (8cm) 1 Disassembling the focus ring and the zoom ring Phillips screwdriver No. 1 (10cm) 1 Disassembling the outer case and inner components Phillips screwdriver No.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.1.5 Precautions for Optical Engine and Main (MA) Board The Optical Engine and Main (MA) Board are paired together as a single service part. Neither is available separately. For service that requires the replacement of either the MA Board or the Optical Engine, both components must be replaced together. The component parts of the Optical Engine require mechanical installation positions to be adjusted in relation to each other.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.2 Projector Disassembly and Assembly The general disassembly procedure for the EMP-1825/1815/1810 projectors is illustrated below. Except where indicated separately, all reassembly should be carried out by following the disassembly procedures in reverse. Detailed disassembly procedures for each component are given in Sections 4.3 "Removing Exterior Parts/Components" to 4.5 "Removing Other Main Parts", links to which are given in the flowchart below.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 The table below shows the part names used in this chapter and their official names given in the After Service Part List in the SPI (Service Part Information). Table 4-2. Part Names given in the SPI Official Name used in SPI Names used this Chapter Optical Engine and MAB LAMP UNIT FOR AS CASE,LOWER filter,ballast AIR FILTER ASSY.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 Table 4-2. Part Names given in the SPI Official Name used in SPI Names used this Chapter SWITCH,LAMP LID DETECT PLATE,USB FASTEN PRINTED CIRCUIT BOARD ASSEMBLY;US SHEET,IF,SHADE EMI,SUPPRESSOR SHIELD,PLATE,IM CASE,UPPER,ASSY;AJ CASE UNIT,UPPER;AJ SHEET,CASE UPPER CUSHION,COVER PRJ LENS;B SHEET,SHADE;IM LENS,LED PLATE,NUT;M3 PHOTO INTERRUPTER CABLE,SW SHUTTER,LENS;A SHEET,SHUTTER LENS SHUTTER,LENS;B SPRING,SHUTTER LID,LAMP,AS S.C.B.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 Table 4-2. Part Names given in the SPI Official Name used in SPI Names used this Chapter CABLE,MA-IM CABLE,USB PLATE,CF PLATE,IM,FASTEN SHEET,SHADE,CFSLOT SHEET.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.3 Removing Exterior Parts/Components 4.3.1 Removing the AS Lamp Unit 1. Loosen the screw (SCREW,LAMP;3X6) that secures the AS Lamp Lid, and remove the AS Lamp Lid. 2. Remove the screw (SCREW,LAMP;3X6) from the AS Lamp Lid. 3. Loosen the two screws that secure the AS Lamp Unit and remove the AS Lamp Unit. AS Lamp Unit AS Lamp Lid SCREW, LAMP;3X6 Figure 4-3. 4. (EMP-1825/1815 only) Push the button on the right of the CF Card Slot, and remove the Dummy CF Card.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.3.2 Removing the Air Filter Assy. 1. Pull the tab of the Air Filter Assy. in the direction of the arrow with your finger, and remove the Air Filter Frame. Air Filter Assy. tab Figure 4-5.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.3.3 Removing the Front Foot Unit/Rear Foot/Rubber Foot Removing the Front Foot Unit 1).Press a screwdriver or similar tool into the small slot beside the Front Foot Unit, and take out the Front Foot Unit. Front Foot Unit Figure 4-6. Removing the Rear Foot/Rubber Foot 1).Pull and rotate the Rear Foot to remove the Rear Foot. 2).
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.3.4 Removing the IF-IM Case/Upper Case Unit AJ Removing the IF-IM Case 1).Remove the four screws (C.B.SCREW,3X6,F/NI) that secure the IF-IM Case, and remove the IF-IM Case. 2).Remove the IF Label from the IF-IM Case. IF-IM Case IF Label Figure 4-8. Removing the Upper Case Unit AJ 3).Remove the eight screws (C.B.P-TITE SCREW,3X10,F/ZB-3C) that secure the Upper Case Unit AJ from the bottom. Figure 4-9.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4).Remove the screw (C.B.P-TITE SCREW,3X10,F/ZB-3C) that secures the Upper Case Unit AJ from the top. 5).Remove the M3 Plate Nut from the Upper Case Unit. 6).Lift the Upper Case Unit carefully. (Three cables are connected to the MA Board. So, be careful not to lift the case too much to avoid the damage to the three connector cables.) Upper Case M3 Plate Nut Figure 4-10. C A U T IO N When connecting the cable to CN1203, be sure to lock the connector. 7).
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.3.4.1. Removing the Control Panel E/Lamp Lid Detection Switch 1. Remove the Control Panel E from the Upper Case Unit AJ. 2. Remove the screw (C.C.B-TITE SCREW,2X12,F/ZN-3C) that secures the Lamp Lid Detection Switch, and remove the Lamp Lid Detection Switch from the Upper Case Unit AJ. 3. Remove the following parts from the Upper Case Unit AJ.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N When reassembling the Upper Case, attach the parts below to the specified places according to the standard. • PJ Lens Cushion B Horizontally: the center between the red lines. Vertically: aligning it to the guide. • Upper Case Sheet Attach the sheet matching it to the Upper Case’s rib’s shape. • L/G Shade Sheet;A Horizontally: align it to the rib (red-lined) Vertically: align it to the edge of the hollow for Control Panel (blue-lined).
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N Secure the SW cable and the ferrite core of the Control Panel to the Upper Case with heat-resistant tape according to the standard below. • Red lines: 4.5cm ± 5mm in between. • Blue lines: attach the ferrite core in the center between the lines. • Green lines: the same length as the Control Panel. SW cable Figure 4-14.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.3.4.2. Removing the Lens Shutter B/Lens Shutter A/Photo Interrupter 1. Remove the screw (C.B.P-TITE SCREW,2.5X10,F/ZN-3C) that secures the Lens Shutter B, and remove the Lens Shutter B from the Upper Case Unit AJ together with the Lens Shutter A and the Photo Interrupter. 2. Remove the Lens Shutter A and the Shutter Spring from the Lens Shutter B. 3. Remove the Photo Interrupter from the Lens Shutter B 4. Remove the SW Cable from the Photo Interrupter. 5.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N When attaching the Lens Shutter Sheet to the Lens Shutter, follow the standard below. • Align the sheet to the red lines. • Protrusion: 0mm (outside)/ within 1mm (inside) Lens Shutter Sheet Lens Shutter Figure 4-17. After replacing the Photo Interrupter, always perform operation check as described below. 1). Turn the power on with the Lens Shutter open. 2).
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.4 Removing the Engine/Boards 4.4.1 Removing the Optical Engine and MAB (1) (MA Board Assy.) 1. Unlock the connectors of the Light Valve R/G/B connection cables. Light Valve B Locked Light Valve R Unlocked Light Valve G Figure 4-19. C A U T IO N When connecting the R/G/B Light Valve cables, be sure to insert the R/G/B Light Valve cables securely into the connectors to the end.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 3. Remove the nine screws (C.C.SCREW,3X6,F/ZN-3C) that secure the MA Board Assy. 4. Remove the screw (C.P.(S-P1)SCREW,4X6,F/ZN-3C) that secures the MA Board Assy.’s GND. 5. Remove the screw (C.B.SCREW,3X6,F/NI) that secures the USB terminal, and remove the MA Board Assy. 6. Remove the following parts from the MA Board Assy. • EMI Suppressor; C • Heat Sink;A x 3 • Heat Sink;PW • PJ Lens Cover Cushion x2 Heat Sink;A MA Board Assy. Heat Sink;PW C.B.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N When reassembling the MA board, attach the following parts as shown below. 1). Attach the EMI suppressor; C first, then attach the Heat Sink; PW on it. 2). Align the Heat Sink; A as shown in the figure below. EMI suppressor; C Heat Sink; PW Heat Sink; A Figure 4-22.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N Attach the IF Shade Sheet as shown in the figure below. IF Shade Sheet Figure 4-23. Attach the LAN Shade Sheet to the USB Terminal as shown in the figure below. USB Terminal LAN Shade Sheet LAN Shade Sheet Figure 4-24.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N When installing the MA Board Assy., be sure to place the red-circled parts coming inside of the metal parts as shown in the figures below. OK NG Figure 4-25.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N When connecting the cables to the MA Board Assy., route the cables as follows. 2 4 1 3 5 6 7 8 9 10 11 12 14 13 Figure 4-26.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N • (1), (2), (3)’s Routing 1). Do not route the cables inside the red-line. 1 2 3 Figure 4-27. • (4), (5), (6), (7), (8)’s Routing 1). Do not route the cables inside the red-line. 2). Twist (4) around (5) clockwise before connecting it. 3). Secure (8) tightly to the PS’s frame with heat-resistant tape at the green square. 4). Do not route the cables over the blue-lined part. 4 5 6 7 8 Figure 4-28.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N • (8), (9), (10), (11)’s Routing 1). Route (8) through the loops of (9), (10), (11) before connecting it. 2). Do not route the cables outside the red line. 8 11 10 9 Figure 4-29. • (12), (13), (14)’s Routing 1). Press down the top of (12)’s loop in the direction of the arrow to avoid the interference with the Lens Shutter. 2). Do not route (13) outside the red line. 14 13 12 Figure 4-30.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.4.1.1. Removing the IF Board Assy. 1. Remove the IF Shade Sheet from the MA Board Assy. 2. Remove the eight screws (Screw, HSH 4-40) that secure the D Sub15pin terminals and the two screws (C.B.P-TITE SCREW,3X8,F/ZB-3C) that secure the RCA terminals and Sterminal. 3. Remove the screw (C.C.SCREW,3X6,F/ZN-3C) that secures the IF Board Assy. 4. Remove the two screws (C.C.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.4.1.2. Removing the SB Assy. IM*1 (IS Board Assy.*2)/IM Board Assy.*3 /CF Slot Assy.*3/USB Board Assy.*3 NOTE *1: EMP-1825/1815’s Case/*2: EMP-1810’s Case/*3: EMP-1825/1815 only Removing SB Assy. IM (IS Board Assy.) 1).Disconnect the SB-IM FFC Cable from the connector on the SB Assy. IM (IS Board Assy.). 2).Remove the two screws (C.B.P-TITE SCREW,2.5X10,F/ZN-3C) that secure the SB Fixing Plate, and remove the SB Fixing Plate together with the SB Assy.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 Removing the IM Board Assy. (EMP-1825/1815 only) 4).Remove the screw (C.C.SCREW,3X6,F/ZN-3C) that secures the IM Board Assy. 5).Remove the three screws (C.B.P-TITE SCREW,2.5X10,F/ZN-3C) that secure the IM Board Assy. and remove the IM Board Assy. 6).Disconnect the MA-IM Cable from the connector (CN1302) on the IM Board Assy. 7).Disconnect the SB-IM FFC Cable from the connector (CN1300) on the IM Board Assy. 8).
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 9).Remove the two screws (C.C.SCREW,3X6,F/ZN-3C) that secure the CF Plate, and remove the CF Plate together with the USB Board Assy. and CF Slot Assy. (to Removing the USB Board Assy./CF Slot Assy. (EMP-1825/1815 only) (p. 38)) 10).Remove the screw (C.C.SCREW,3X6,F/ZN-3C) that secures the IM Fastening Plate, and remove the IM Fastening Plate. 11).Remove the IM Shield Plate from the IM Board Assy. 12).
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 Removing EMI Suppressor/EMI Suppressor E (EMP-1825’s case) C A U T IO N In EMP-1825’s case, seven EMI Suppressor and two EMI Suppressor E are attached on the back of the IM Board Assy. Refer to Figure 4-37 (p. 33) for attaching locations. When replacing the IM Board Assy., refer to the instructions on the next page and attach EMI Suppressor and EMI Suppressor E to the specified locations. 16).
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N (EMP-1825 only) When replacing IM board Assy., attach EMI suppressors (x9) following the instructions below aligning them with the markings and covering the wiring marked with pink. (1): Align it with the right sides of IC A, B and left sides of IC G and CF slot. (2): Align it with the top of (1) and IC B, and left side of CF slot. (3): Align it with the left side of (2) and top of FPC opening (1) covering all IC E and lower left of IC C.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N (EMP-1815 only) When reassembling the IM Board Assy., follow the standard below. • Attach the EMI Suppressor Sheets (x2) aligning them to the red-lined standard (allowed protrusion: 1mm outside from the lines). Figure 4-38.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N (EMP-1815/1825 only) After the CF Shading Sheet is installed as shown below, attach the Gasket (x2) to the circled places through the holes. CF Shading Sheet Gasket 5x5 (L=10) Figure 4-39. (EMP-1815/1825 only) Attach the USB Shading Sheet; B and the LAN Shading Sheet as shown below aligning on the IM Board’s surface. Attach the Gaskets as shown in the figure below.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N (EMP-1815/1825 only) After installing the IM Shield Plate and the IM Fastening Plate to the IM Board Assy., attach the Gasket to the specified place shown below in the direction of the arrow upward. IM Shield Plate IM Fastening Plate Gasket 10 x 10 (L=10) Figure 4-42. (EMP-1815/1825 only) When installing the IM Board Assy., be careful about the following direction.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N • Set the bead core and the ferrite core of the USB cable as shown in the figure below. USB cable’s core Bead core Figure 4-44. • Attach the Conduction Plate; Fan of the USB Board Assy contacting with the metal part of the Intake Fan. Conduct Plate; Fan Intake Fan Metal part Figure 4-45.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 Removing the USB Board Assy./CF Slot Assy. (EMP-1825/1815 only) 16).Remove the two screws (C.C.SCREW,3X6,F/ZN-3C) that secure the USB Board Assy. from the CF Plate, and remove the USB Board Assy and Conduction Plate; Fan. 17).Remove the USB Shading Sheet from the USB Board Assy. 18).Remove the two screws (C.B.SCREW,3X8,F/ZB-3C) that secure the CF Slot Assy. from the CF Plate, and remove the CF Slot Assy. Conduction Plate; Fan USB Board Assy.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N (EMP-1815/1825 only) When reassembling the USB Board Assy., attach the USB Shading Sheet drawing out the connector’s ribs from the hole as shown in the figure. USB Shading Sheet Figure 4-47. (EMP-1815/1825 only) When installing the Conduction Plate; Fan, follow the standard below • Align it at an angle of 25°±5° from the bottom of the board as shown in the figure below. Conduction Plate; Fan Figure 4-48.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.4.2 Removing the Inner Exhaust Duct B/TH Board Assy. 1. Remove the screw (C.B.P-TITE SCREW,2.5X10,F/ZN-3C) that secures the Cover Inner EX Duct B, and remove the Cover Inner EX Duct B from the Inner Exhaust Duct B. 2. Remove the screws (x2: C.B.P-TITE SCREW,2.5X10,F/ZN-3C) that secure the Inner Exhaust Duct B, and remove the Inner Exhaust Duct B. 3. Remove the TH Board Assy. from the Inner Exhaust Duct B.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N When installing the Inner EX duct B, set the Safety Switch into the notch of the duct as shown in the figure below. Safety Switch Figure 4-50.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.4.3 Removing the Optical Engine and MAB (2) (Optical Engine) 1. Remove the LG Shading Sheet. 2. Remove the four screws (C.B.P-TITE SCREW,2.5X10,F/ZN-3C) that secure the Optical Engine, and remove the Optical Engine. LG Shading Sheet Optical Engine Figure 4-51.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N When installing the Optical Engine, follow the directions below. 1). Route the cable of the L/V thermistor as shown below. 2). Attach the LG Shading Sheet aligning the red-circled parts as shown in the figure below. LG Shading Sheet L/V thermistor Figure 4-52. 3). Set the bead core between the Intake Fan and the Optical Engine. Intake Fan Bead core LG Shading Sheet Figure 4-53.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N When sending the replaced Optical Engine and MAB set to the repair center, be sure to send all the parts listed below. Table 4-3. Components of Optical Engine and MAB set Part name qt. Optical Engine 1 1 1 1 1 3 1 1 1 2 MA Board Assy. IF Board Assy.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.4.3.1. Removing the Focus Ring/Zoom Ring 1. Remove the three screws (C.P.TYPE3 B-TITESCREW,1.7X4,F/ZB-3C) that secure the Focus Ring, and remove the Focus Ring. 2. Remove the three screws (C.P.TYPE3 B-TITESCREW,1.7X4,F/ZB-3C) that secure the Zoom Ring, and remove the Zoom Ring. Optical Engine Zoom Ring Focus Ring Figure 4-54.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.5 Removing Other Main Parts 4.5.1 Removing the Inner Exhaust Duct A/Exhaust Fan Assy. 1. Remove the screw (C.C.SCREW,3X6,F/ZN-3C) that secures the Lamp Connector, and release the Lamp Connector from the Inner Exhaust Duct A. 2. Remove the three screws (C.B.P-TITE SCREW,2.5X10,F/ZN-3C) that secure the Inner Exhaust Duct A, and remove the Inner Exhaust Duct A while drawing out the Safety Switch from the hole of the Inner Exhaust Duct A. 3.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N When installing the Inner EX Duct; A, set the Safety Switch through the hole as shown in the figure below. Safety Switch hole Figure 4-56.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.5.2 Removing the PS Fan/PS Ballast Assy./Speaker Removing the PS Fan 1).Remove the two screws (C.B.P-TITE SCREW,2.5X10,F/ZN-3C) that secure the PS Duct, and remove the PS Duct together with the PS Fan from the Lower Case. 2).Remove the PS Fan from the PS Duct. 3).Remove the two BS Sheet FIFs from the PS Duct. Removing the PS Ballast Assy. 4).Remove the screw (C.B.P-TITE SCREW,2.5X10,F/ZN-3C) that secures the Lamp cable. 5).Remove the screw (C.P.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N When reassembling the PS Duct, attach the BS Sheet FIF (x2) according to the standard shown in the figure below. BS Sheet FIF Figure 4-58.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N Follow the procedure below to install the PS Ballast Assy. 1). Route the Lamp Cable (igniter not-attached side) as shown below. hooks Figure 4-59. 2). Route the Lamp cable (igniter attached side) through the groove indicated by the red box in the figure below. Make sure that the Lamp cable is not routed under the PS Board. Lamp cable Figure 4-60.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.5.3 Removing the PS Ballast Assy.(2) (Filter Board Unit)/Lamp Fan Removing the Filter Board Unit 1).Remove the two screws (C.B.P-TITE SCREW,2.5X10,F/ZN-3C) that secure the AC Inlet Fastening Plate. 2).Disconnect the AC Cable from the connector on the Filter Board Unit, and unlock the three hooks and remove the Filter Board Unit together with the AC Inlet Fastening Plate. 3).Remove the screw (C.P.(S-P1)SCREW,4X6,F/ZN-3C) that secures the AC Inlet’s GND cable.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N When installing the Filter Board Unit, make sure to observe the following points. • The black cable must cross over the white cable. • The fuse holder must not contact with the cable Fuse holder Filter Board Unit Figure 4-62. Before installing the Lamp Duct, attach the BS sheets to the Lamp Duct. Make sure to align the sheets’ corners with the corners indicated by the red lines in the figure (within an error of ± 1 mm). Lamp Duct Figure 4-63.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N After installing the Lamp Fan, make sure that the AC cable and the PBS Fan cable are properly fastened at the three points indicated by the red circles in the figure. Figure 4-64.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.5.4 Removing the Intake Fan/PBS Fan/AC Cable/RC Board Assy. Removing the Intake Fan 1).Remove the six screws (C.B.P-TITE SCREW,2.5X10,F/ZN-3C) that secure the Intake Duct, and remove the Intake Duct from the Lower Case. 2).Remove the two Fastening Plate A from the Intake Duct. 3).Remove the four screws (two each: C.B.P-TITE SCREW,3X12,F/ZN-3C) that secure the two Intake Fans from both the sides of the Intake Duct, and remove the Intake Fans. 4).
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N Follow the procedure below to install the AC cable. 1). Make sure that the ferrite core is inserted all the way into the slot of the Lower Case. 2). Route the AC cable as shown below. Figure 4-66. Before installing the Intake Fan, attach the Intake Fan Sheet to the fan. Make sure to align the arc of the sheet with the arc of the fan where the fan cable comes out. Intake Fan Sheet Figure 4-67.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N Follow the procedure below to install the PBS Fan. 1). Attach the Intake Fan Cushion A as shown below. Intake Fan Cushion A Figure 4-68. 2). Route the cable of the PBS Fan as show below. Be careful not to let the cable go upper side from the red line shown in the figure. PBS Fan Figure 4-69.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N 3). Install the PBS Fan to the Lower Case retaining the cable routed at Step 2. Figure 4-70.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 4.5.5 Removing the Ballast Filter Assy./Security Bar/Lower Case 1. Remove the Ballast Filter Assy. from the Lower Case. 2. Remove the Lower Shield Plate from the Lower Case. 3. Remove the two screws (C.B.P-TITE SCREW,2.5X10,F/ZN-3C) that secure the Security Bar Cover, and remove the Security Bar Cover and the Security Bar from the Lower Case. 4. Remove the two gaskets (5x5L=10) from the Lower Shield Plate. 5. Remove the following parts from the Lower Case.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N Make sure to observe the following points to install the Lower Case. • Attach the four gaskets aligning their corners with their respective reference red lines (within an error of ± 0.5 mm). 2 1 3 4 Reference lines for 1 and 2 Reference lines for 3 Reference lines for 4 Figure 4-72.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N Before installing the Lower Shield Plate, attach the two gaskets to the plate. Make sure to align the gaskets’ corners with the corners of the plate indicated by the red lines. Gasket 5 x 5 (L=10) Figure 4-73.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 C A U T IO N Install the Lower Shield Plate to the Lower Case as shown below. Figure 4-74.
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Chapter 5 Adjustment
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 5.1 Overview This chapter describes the adjustment procedures required after repairing or replacing certain parts. 5.1.1 Required Adjustment List The adjustment required after repair work is listed below. Table 5-1. Adjustment (Calibration) Adjustment Item Adjustment name G-Sensor’s Zero Point Adjustment Purpose Method To reset abnormal G-Sensor’s Zero Point to adjust the Auto Keystone Correction function. • Judgment Process 1.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 5.2 Adjustment (Calibration) This section describes the procedures of the adjustment (Calibration). 5.2.1 G-Sensor’s Zero Point Adjustment The procedure of the G-Sensor’s Zero Point Adjustment is explained below. Purpose To reset abnormal G-Sensor’s Zero Point to adjust the Auto Keystone Correction function, in the case that the G-Sensor’s Zero Point has been set wrong for some reasons. Setting Environment Set the projector on an even workbench.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 5.2.3 CMOS Image Sensor Calibration The procedure of the CMOS Image Sensor Calibration is described below. Purpose To adjust the "Quick Setup" function, when replacing the IS Board Assy, or the Optical Engine and MAB set. Setting Environment • Use a darkroom with the environment where no external light shines on the CMOS Image Sensor. • Use a white matt coated screen in the size of 70 inch and more. • Use a screen without distortion or dirt.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 • There must be over 50 cm from the floor level to the setting position of the projector. (refer to Figure 5-2) • The projection distance must be within 100 cm ± 2 cm. (Projection distance: the distance between the projector and the screen.) Screen Measure distance between PJ's frontmost and screen 100cm±2cm 100cm 2cm Figure 5-2. Procedure 1. Set the projector according to the requirement written above. 2.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 7. Press the [QuickSetup] button once. • The calibration at the Wide position starts. • When the calibration has been successfully finished, the image changes to a big "C (representing "Center") automatically. [Pause Window 2] Figure 5-4. Pause Window 2 • If the Zoom Ring is not set to the end of the Wide side, the image returns to the "W" (Pause Window 1) automatically. • If this calibration has been failed, the [Unsuccessful Termination] window is displayed.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 10.Press the [QuickSetup] button once. • The calibration at the Center position starts. • When the calibration has been successfully finished, the image changes to a big "T (representing "Tele") automatically. [Pause Window 3] Figure 5-6. Pause Window 3 • If the Zoom Ring is not set to the Center position, the image returns to the "C" (Pause Window 2) automatically. • If this calibration has been failed, the [Unsuccessful Termination] window is displayed.
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CONFIDENTIAL EMP-1825/EMP-1815/EMP-1810 5.2.4 Inspection Procedure After finishing the adjustment, check if the "QuickSetup" function works properly. (For the details of the procedure of "QuickSetup" refer to the Users Manual of this product.
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Chapter 6 Appendix
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EMP-1825/EMP-1815/EMP-1810 C A U T IO N CONFIDENTIAL The contents of this chapter are for use only by Epson Authorized Services, and are not to be disclosed to others without the express written consent of Epson. 6.1 AS (After Service) Menu This menu provides information and settings that are not displayed on the standard menu. 6.1.1 How To Display the AS (After Service) Menu 1. Press the [Menu] button either on the remote control or on the projector's control panel for at least 5 seconds. 2.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL S-Video/ Video’s case. (Page 1) XXXXXXXXXXXXXX Video Signal : ----------Total Operation Time : 0H Lamp Op. Time (C) : 0H/ 0H (H/M/L) : 0H/ -----H/ 0H Lamp Replacement : 0Times Lamp ON/Lamp OFF : 0Times/ 0Times Cool Down Completed : 0Times Destination : XXXXXXXX Engine Type : XXXXXX P 0Z00023041XV111 O 693021WWHAG1 J 0Z1XV100 Source The last four digits show the PW firmware version. The last four digits show the Sub-system’s firmware version. Easy MP’s case.
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EMP-1825/EMP-1815/EMP-1810 CONFIDENTIAL Error Log Window (Page 2) While the AS menu is displayed, the Error Log Window can be displayed by pressing the [Right] button. To go back to the AS menu, press the [Left] button.
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EMP-1825/EMP-1815/EMP-1810 Item TH FN SE LE LF RA RO Error Count (times) II ID LC EC CF AI RS RP Control Control data 1 Control data 2 CONFIDENTIAL Contents Representation Internal overheat Fan error Thermistor error Lamp burnt out Lighting failure Internal error (RAM) Internal error (ROM) 2-digit number (00-99) Internal error (I2S) Over 99: “99” Internal error (DR) (Not cleared to “0.