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Epson EH-TW8000 Service Manual
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Epson EH-TW8000 Service Manual

Epson EH-TW8000 Service Manual

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SERVICE MANUAL
Home Projector
EH-TW8000/TW9000/TW9000W
CONFIDENTIAL

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  • Page 1 SERVICE MANUAL Home Projector EH-TW8000/TW9000/TW9000W CONFIDENTIAL...
  • Page 2 Other company or product names used herein are for identification purpose only and may be trademarks or registered trademarks of their respective owners. EPSON disclaims any and all rights in those marks.
  • Page 3 EH-TW8000/TW9000/TW9000W CONFIDENTIAL About This Manual This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the product. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page.
  • Page 4 EH-TW8000/TW9000/TW9000W 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.
  • Page 5 EH-TW8000/TW9000/TW9000W CONFIDENTIAL SAFETY INSTRUCTIONS Never modify the product for any reason whatsoever. (Except for a case that is under the instructions to do so.) The precautionary measures itemized below should be fully understood when performing repair and maintenance procedures. Never peer through the projection lens during repair/maintenance work when the power is on.
  • Page 6 EH-TW8000/TW9000/TW9000W CONFIDENTIAL Be careful not to drop a metal part such as a screw, a washer, or a clip into the inside of the product. If such cases should occur accidentally, never turn on the power supply until all the dropped parts are found and removed.
  • Page 7 EH-TW8000/TW9000/TW9000W 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.

  • Page 8: Table Of Contents

    EH-TW8000/TW9000/TW9000W CONFIDENTIAL Contents Chapter 1 Product Description 3.3.1 Air Filter ...................... 64 3.3.2 Lamp......................64 1.1 Features......................... 11 3.3.3 Rear Case..................... 66 3.3.4 Front Case....................67 1.2 Specifications ....................... 12 3.3.5 Upper Case ....................68 1.3 Dimensions ......................14 3.3.6 MA Board (assembly) ................. 70 1.4 Ceiling Mount.......................
  • Page 9 EH-TW8000/TW9000/TW9000W CONFIDENTIAL 3.3.21 Lower Case ....................112 3.4 Safety Check after Servicing ................113 3.5 E-pixel Misalignment Correction ............... 116 3.5.1 Setup Procedure ..................116 3.6 Reference (Part Names given in the SPI) ............117 Chapter 4 Appendix 4.1 AS (After Service) Menu..................121 4.1.1 How To Display the AS (After Service) Menu .........

  • Page 10: Chapter 1 Product Description

    C H A P T E R PRODUCT DESCRIPTION CONFIDENTIAL...

  • Page 11: Features

    EH-TW8000/TW9000/TW9000W Product Description CONFIDENTIAL 1.1 Features The EH-TW8000/TW9000/TW9000W is a 3D function home projector with the following features: 3D function Projects 3D images from such as a Blu-ray player and a 3D camera Converts 2D images to 3D images * Use the supplied or optional 3D Glasses (ELPGS01) to view 3D images.

  • Page 12: Specifications

    EH-TW8000/TW9000/TW9000W Product Description CONFIDENTIAL 1.2 Specifications Model EH-TW8000 EH-TW9000 EH-TW9000W Item Size 0.74 inch wide panel (with MLA) 2,073,600 dots Pixel number (1920 x 1080) x 3 Native resolution 1080 p Aspect ratio 16:9 Focus Type Manual focus Specification of main...
  • Page 13 EH-TW8000/TW9000/TW9000W Product Description CONFIDENTIAL Model EH-TW8000 EH-TW9000 EH-TW9000W Item Operating Altitude 0 m to 2286 m <0 ft to 7500 ft> Start-up period 23 seconds Warm-up period 30 seconds Cool-down period 16 seconds ± Power supply voltage 100 - 240 V AC...

  • Page 14: Dimensions

    EH-TW8000/TW9000/TW9000W Product Description CONFIDENTIAL 1.3 Dimensions 26.6 319.4 47.2 5-M4X9 56.5 67.4 Unit: mm SEIKO EPSON Revision A...
  • Page 15 EH-TW8000/TW9000/TW9000W Product Description CONFIDENTIAL 1.05 12.6 11.8 9.17 1.86 5-M4X9 2.22 2.65 7.80 18.3 15.6 9.17 Unit: inch SEIKO EPSON Revision A...

  • Page 16: Ceiling Mount

    EH-TW8000/TW9000/TW9000W Product Description CONFIDENTIAL 1.4 Ceiling Mount ELPMB20 Unit: mm SEIKO EPSON Revision A...
  • Page 17 EH-TW8000/TW9000/TW9000W Product Description CONFIDENTIAL 7.09 ELPMB20 8.39 9.96 7.20 8.35 Unit: inch SEIKO EPSON Revision A...
  • Page 18 EH-TW8000/TW9000/TW9000W Product Description CONFIDENTIAL ELPFP07 Unit: mm SEIKO EPSON Revision A...
  • Page 19 EH-TW8000/TW9000/TW9000W Product Description CONFIDENTIAL ELPFP07 8.39 9.96 7.20 8.35 Unit: inch SEIKO EPSON Revision A...
  • Page 20 EH-TW8000/TW9000/TW9000W Product Description CONFIDENTIAL 47.5 ELPMB22 220.7 174.8 Unit: mm SEIKO EPSON Revision A...
  • Page 21 EH-TW8000/TW9000/TW9000W Product Description CONFIDENTIAL 1.87 6.30 7.87 ELPMB22 9.17 9.17 8.69 6.88 Unit: inch SEIKO EPSON Revision A...
  • Page 22 EH-TW8000/TW9000/TW9000W Product Description CONFIDENTIAL 47.5 ELPFP13: 668-918mm ELPFP14: 918-1168mm Unit: mm SEIKO EPSON Revision A...
  • Page 23 EH-TW8000/TW9000/TW9000W Product Description CONFIDENTIAL 1.87 6.30 7.87 ELPFP13: 26.3-36.1inch ELPFP14: 36.1-46.0inch 9.17 9.17 8.70 6.89 Unit: inch SEIKO EPSON Revision A...

  • Page 24: Chapter 2 Troubleshooting

    C H A P T E R + TROUBLESHOOTING CONFIDENTIAL...

  • Page 25: Required Tools

    EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL 2.1 Required Tools 2.2 Troubleshooting Procedure The following tools and equipment will be required in order to carry out This chapter describes troubleshooting procedure starting from error messages/status to troubleshooting, and so you should check that they are on hand.

  • Page 26: Exterior Check

    EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL 2.3 Exterior Check Target part Check item Any damage/deformation/cracking due to external When repairing this product, carry out exterior check of the target parts/units as forces? Lower Case necessary. Any foreign object/dirt on the filter cover or the vents?
  • Page 27 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL OPTICAL PARTS Lamp (p64) Auto Iris (p81) Optical Engine (assembly) (p78) CF Motor (p80) Figure 2-2. SEIKO EPSON Revision A...
  • Page 28 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL POWER SUPPLY Filter Board Unit (p110) BA Unit (p.109) AC Cable (p111) PS Unit (p107) Figure 2-3. SEIKO EPSON Revision A...
  • Page 29 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL COOLING SYSTEM COMPONENTS Lamp Fan (p86) PS Fan (p106) EX Fan (p.93) INT Fan (2) (p.89) INT Fan (1) (p.89) Figure 2-4. SEIKO EPSON Revision A...
  • Page 30 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL SENSORS/SPEAKER RCR Board (p73) TH2 Board (p.93) TH3 Board (p105) HDMI Cable (p.101) RCF Board (p99) Lens Shutter (p77) TH1 Board (p91) Rx Wireless HD (p.101) Figure 2-5. SEIKO EPSON Revision A...
  • Page 31 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL CIRCUIT BOARDS Optical Engine and MAB Set (p75) EIF Board (p74) SW Board (p95) Figure 2-6. SEIKO EPSON Revision A...

  • Page 32: Error Indication And Problem Diagnosis

    EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL 2.4 Error Indication and Problem diagnosis Abnormal Status Blink 2.4.1 LED Indication LED Status Error Problem/Error Status The control panel on the projector has four LEDs to indicate the projector’s operation status. When an error occur, you can identify error status with those LED indications.
  • Page 33 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL LED Status Error Problem/Error Status Sub-System Rom Error Power Blue Blue Orange Orange Abnormality is detected from the elements on Board. Sub-System Power Communication Error Cinema Filter Error Power Supply (Ballast) Abnormality is detected from a Error Ballast.

  • Page 34: Troubleshooting Based On Led Indications

    EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL 2.4.2 Troubleshooting based on LED Indications This section describes the LED error indications and corresponding error codes and their remedies. Blink LED Status Corresponding error code and error name Remedy Reference ROM Error Internal Error (1) I2C Error...
  • Page 35 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL LED Status Corresponding error code and error name Remedy Reference Fan Error 1. Check the connections between each fan/sensor and MA Board. Sensor Error Fan Error "3.3.6 MA Board (assembly) If there is a connection failure, connect it correctly.
  • Page 36 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL LED Status Corresponding error code and error name Remedy Reference 1. Check the following one by one. After checking and improving, turn on the power again and check if the same error occurs again. Lamp burnt out Lamp Cover status Secure it if it is loose/open.

  • Page 37: Troubleshooting From The Error Codes

    EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL 2.4.3 Troubleshooting from the Error Codes If the projection does not start for some reasons, connect your PC to the service terminal so as to display the AS menu and check the error code. To display the AS Menu, see the following: "4.1 AS (After Service) Menu (p121)"...
  • Page 38 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL TROUBLESHOOTING FROM THE ERROR CODE ON LAMP ERRORS Error code / Error name Faulty part / Part name Cause Remedy Reference Lamp Lamp is broken. Replace Lamp. 3.3.2 Lamp (p64) 3.3.18.1 BA Unit / SCI Cable BA Unit BA Unit is broken.
  • Page 39 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL TROUBLESHOOTING FROM THE ERROR CODE ON COOLING SYSTEM ERRORS Error code / Error name Faulty part / Part name Cause Remedy Reference Air Filter Air Filter is clogging. Clean Air Filter. Replace it if not improved. 3.3.1 Air Filter (p64) TH1/TH2/TH3 Board TH Board is broken.
  • Page 40 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL Error code / Error name Faulty part / Part name Cause Remedy Reference TH1/TH2/TH3 Board TH Board is broken. Replace the broken TH Board. • 2.4.6 Cable Connection and Projector’s Status (p51) TH Cable is not connected properly.
  • Page 41 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL TROUBLESHOOTING FROM THE ERROR CODE ON ELECTRIC CIRCUIT ERRORS Error code / Error name Faulty part / Part name Cause Remedy Reference Internal error RAM RAM has become abnormal. MA Board MA Board is broken. Replace MA Board (Optical Engine and MAB Set).

  • Page 42: Troubleshooting Without Error Indications

    EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL 2.4.4 Troubleshooting without Error Indications This section provides troubleshooting procedures based on observed faults. TROUBLESHOOTING AT POWER-ON Error Status Faulty part / Part name Cause Remedy Reference Cable is not connected properly. Connect the cable correctly. SW Board 3.3.12.1 SW Board (p95)
  • Page 43 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL Error Status Faulty part / Part name Cause Remedy Reference Optical Engine is broken. • 2.4.6 Cable Connection Replace Optical Engine (Optical Engine and MAB Set). and Projector’s Status Cable is broken. (p51) Optical Engine • "3.3.6 MA Board Projecting position cannot be (assembly) (p70)"...
  • Page 44 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL TROUBLESHOOTING ON 3D IMAGE/ WIRELESSHD Error Status Faulty part / Part name Cause Remedy Reference Input video Input video is not in 3D. Input a 3D video. Setting for this projector or the remote Make the correct settings with the projector or the Projector controller has not been made.
  • Page 45 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL Error Status Faulty part / Part name Cause Remedy Reference Setting for this projector or the remote Make the correct settings with the projector or the Projector controller has not been made. remote controller. Transmitter is broken.
  • Page 46 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL TROUBLESHOOTING ON OPERATION ABNORMALITY Error Status Faulty part / Part name Cause Remedy Reference Batteries ran out. Replace batteries with new ones. Remote Controller Remote Controller is broken. Replace Remote Controller. • "3.3.4 Front Case (p67)" RC Filter (Front Case) RC Filter at the front (Front Case) or Clean Front Case or Upper Case.
  • Page 47 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL Error Status Faulty part / Part name Cause Remedy Reference "3.3.6 MA Board Cable is not connected properly. Connect the cable to MA Board correctly. (assembly) (p70)" Lens Shutter does not open when Lens Shutter Cable is broken.
  • Page 48 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL TROUBLESHOOTING ON OTHER ABNORMALITY Error Status Faulty part / Part name Cause Remedy Reference Lamp Burn on dust from heat. Clean the area around Lamp to remove dust or the like. 3.3.2 Lamp (p64) Smoke/Abnormal odor Cable Burn on cables from heat.

  • Page 49: Troubleshooting On Image Abnormality

    EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL 2.4.5 Troubleshooting on image abnormality This section describes this projector’s possible troubles in image quality, and provides identification and troubleshooting procedures based on the observed phenomena. ILLUMINATION REDUCTION Phenomenon Defective part / Part name Cause Remedy Reference The projected image became darker.
  • Page 50 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL COLOR BANDING (SHADOW) Phenomenon Defective part / Part name Cause Remedy Reference There occur “shadows”* on the right and left side. Some optical parts may be displaced due to some shock or the like. "3.3.8 Optical Engine (assembly) MULTI LENS Replace Optical Engine.

  • Page 51: Cable Connection And Projector's Status

    EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL 2.4.6 Cable Connection and Projector’s Status This section describes the projector’s status when disconnection occurs somewhere between the parts/units and the MA Board. Refer to the following table and check the doubted connectors are securely connected. If there is a disconnection or a loose connection, connect it correctly.
  • Page 52 Auto Iris is displayed on the screen, and advises " Troubleshooting from CN3904/ the user to turn off the power and to contact the Epson Service. When pressing the the Error Code on Auto Iris...
  • Page 53 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL Error Information Connector Destination Status Reference Code Name When pressing the power button, initialization starts normally, then the projection CN1301 starts. But 3D glasses does not function. (Cannot view 3D images.) Lens Shutter When pressing the power button, initialization starts normally, then the projection CN5301 starts.

  • Page 54: Operation And Safety Check After Repair

    EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL 2.5 Operation and Safety Check after repair 2.5.1 Each Operation Check When repairing this product, carry out the check for each operation if necessary. INITIALIZATION CHECK OPERATION CHECK FOR CONTROL PANEL (SW BOARD) / LENS After repairing this product, carry out the following initialization check. When...
  • Page 55 EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL OPERATION CHECK FOR REMOTE CONTROLLER OPERATION CHECK FOR VIDEO INPUT/OUTPUT After repairing the remote controller, carry out the check below following the After repairing the parts related with video input/output, carry out the check below instructions. (See "...

  • Page 56: Chapter 3 Disassembly And Assembly

    C H A P T E R DISASSEMBLY AND ASSEMBLY CONFIDENTIAL...

  • Page 57: Precautions

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.1 Precautions This section describes cautions before starting disassembling and assembling this product. Make sure to read the precautions below before starting. When carrying out any of the following operations, check that there is no dust or dirt on any component or on any glass surface before installation.

  • Page 58: Precautions

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.1.2 Precautions 3.1.3 Workflow The precautions given below must be always observed whenever disassembling/ reassembling the projector to ensure the safety of service personnel and maintain the quality. Disassembly Disassemble the product following the given instructions.

  • Page 59: Standard Operation Time

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.1.4 Standard Operation Time 3.1.5 Tools The standard operation time for each operation is provided at the beginning of each The following table indicates the tools recommended for use for disassembly, part. Use the time as a guideline for actual operation.

  • Page 60: Precautions For Optical Engine And Ma Board

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.1.6 Precautions for Optical Engine and MA Board The Optical Engine and Main (MA) Board are paired together as a single service part. Neither is available separately. For servicing that requires the replacement either of the MA Board or the Optical Engine, both components must be replaced together.

  • Page 61: Flowchart

    Disassembly and Assembly CONFIDENTIAL 3.2 Flowchart CONSUMABLES/OPTIONS The general disassembly procedure for the EH-TW8000/TW9000/TW9000W Start projectors is illustrated in flowchart below. Unless otherwise specified, all reassembly should be carried out by following the disassembly procedures in reverse, therefore reassembling procedures are omitted.
  • Page 62 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL ELECTRIC CIRCUIT PARTS/OPTICAL PART Start "3.3.1 Air Filter (p64)" "3.3.2 Lamp (p64)" "3.3.3 Rear Case (p66)" "3.3.4 Front Case (p67)" "3.3.5 Upper Case (p68)" "3.3.6 MA Board (assembly) (p70)" "3.3.6.3 Optical Engine and "3.3.6.1 RCR Board (p73)"...
  • Page 63 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL HOUSINGS COOLING MECHANISM DEVICES Start Start "3.3.1 Air Filter (p64)" "3.3.1 Air Filter (p64)" "3.3.2 Lamp (p64)" "3.3.2 Lamp (p64)" "3.3.3 Rear Case (p66)" "3.3.3 Rear Case (p66)" "3.3.4 Front Case (p67)" "3.3.4 Front Case (p67)"...

  • Page 64: Disassembly

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3 Disassembly 3.3.2 Lamp This section explains one of the shortest ways to reach the target part to repair. The Standard Operation Time - Min. parts to be removed in advance are indicated in italic with their reference pages, so remove those parts referring to their pages before starting.
  • Page 65 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL Loosen the two screws, and remove the Lamp. Lamp Figure 3-3. SEIKO EPSON Revision A...

  • Page 66: Rear Case

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.3 Rear Case Remove the Rear Case. Remove the Rear Foot Rubber. Standard Operation Time 2 Min. Remove the three screws ( ) from the bottom. Rear Foot Rubber Remove the three screws ( ), and remove the IF Cover.

  • Page 67: Front Case

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.4 Front Case Remove the Front Case. Standard Operation Time 2 Min. Remove the Air Filter. (p.64) Remove the three screws ( ) from the bottom. Front Case Figure 3-7. Front Case C.B.P-TITESCREW,3X10,F/ZN-3C Figure 3-6.

  • Page 68: Upper Case

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.5 Upper Case Remove the three screws ( )( ), and remove the Upper Case. Standard Operation Time 6 Min. Upper Case Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case.
  • Page 69 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL Checking Caution Labels This part is designated as the Safety Device. When removing/ replacing the part for repair, be sure to refer to “3.4 Safety Check after Servicing (p.113)”. According to the instructions in it,...

  • Page 70: Ma Board (Assembly)

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.6 MA Board (assembly) Standard Operation Time 13 Min. Reference Remove the Air Filter. (p.64) Remove the Lamp. (p.64) CN No. Destination CN No. Destination Remove the Rear Case. (p.66) Rx Wireless HD CN101/ CN3904/...
  • Page 71 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL Remove the 10 screws ( )( )( ), and remove the MA Board (assembly). Remove the five screws ( )( ), and remove the MA Fasten Plate C. MA Fasten Plate C MA Board (assembly) C.P.(S-P1)SCREW,3X10,F/ZN-3C...
  • Page 72 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL Route the cables around the MA Board (assembly) and secure them with tape as given in the figure below. Secure the cables on the INT Duct (assembly) at two parts (1A/1B) with polyimide tape. (taping 1A is for EH-TW8000W/TW9000W only.) Secure the cables on the EX Duct (assembly) at two parts (2) with polyimide tape.

  • Page 73: Rcr Board

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.6.1 RCR Board RC Rear Cable Standard Operation Time 13 Min. Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case. (p.68) Remove the MA Board (assembly).

  • Page 74: Eif Board

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.6.2 EIF Board Standard Operation Time 14 Min. EIF Board Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case. (p.68) IF Shade Sheet A Remove the MA Board (assembly).

  • Page 75: Optical Engine And Mab Set

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.6.3 Optical Engine and MAB Set Standard Operation Time 21 Min. MA Shield Plate B This part is designated as the Safety Device. When removing/ EMI Sheet F replacing the part for repair, be sure to refer to “3.4 Safety Check EMI Sheet after Servicing (p.113)”.
  • Page 76 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 11. Remove the EMI Sheet C (x2) and the EMI Sheet from the MA Shield Plate A. EMI Sheet 12. Remove the two screws ( ), and remove the MA Shield Plate A. 13. Remove the screw ( ). (EH-TW9000W only) EMI Sheet C 14.

  • Page 77: Lens Shutter

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.7 Lens Shutter Lens Shutter Standard Operation Time 14 Min. Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case. (p.68) Remove the MA Board (assembly).

  • Page 78: Optical Engine (Assembly)

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.8 Optical Engine (assembly) LV Thermistor LVTH Fasten Sheet Standard Operation Time 18 Min. This part is designated as the Safety Device. When removing/ replacing the part for repair, be sure to refer to “3.4 Safety Check after Servicing (p.113)”.
  • Page 79 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL On the Optical Engine, route the thermistor through the slit of the sheet as shown below, and align the sheet at the upper left corner with the corner of the light guide marked with a red line, then secure the sheet with the double-sided tape on the back.

  • Page 80: Cf Motor

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.8.1 CF Motor Standard Operation Time 15 Min. Optical Engine Remove the Air Filter. (p.64) (assembly) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case. (p.68) Remove the MA Board (assembly).

  • Page 81: Auto Iris

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.8.2 Auto Iris Standard Operation Time 19 Min. Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Auto Iris Remove the Front Case. (p.67) Remove the Upper Case. (p.68) Remove the MA Board (assembly).

  • Page 82: Zoom/Focus Lever (1)/(2)

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.8.3 Zoom/Focus Lever (1)/(2) Standard Operation Time 21 Min. Zoom/Focus Lever (2) Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case.

  • Page 83: Focus Ring / Zoom Ring

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.8.4 Focus Ring / Zoom Ring Standard Operation Time 22 Min. Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Focus Ring Fasten Sheet Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case.

  • Page 84: Lamp Fan (Assembly)

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.9 Lamp Fan (assembly) Standard Operation Time 19 Min. Lamp Fan (assembly) Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case.
  • Page 85 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL Route the Lamp Fan cable as shown in the figure below. Route the PS Fan cable and Auto Iris cable as shown in the figure below. Pull out the cable from between the Inner EX Duct and the Lamp Fan Route the PS Fan cable through the hook (1) on the Lamp Fan (assembly).

  • Page 86: Lamp Fan

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.9.1 Lamp Fan Standard Operation Time 20 Min. Lamp Fan Holder B Remove the Air Filter. (p.64) Lamp Fan Holder Cushion Remove the Lamp. (p.64) Lamp Fan Remove the Rear Case. (p.66) Remove the Front Case.

  • Page 87: Int Duct (Assembly)

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.10 INT Duct (assembly) Standard Operation Time 20 Min. Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case. (p.68) Remove the MA Board (assembly).
  • Page 88 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL Secure the Air TH Cable and INT Fan (2) cable on the Upper INT Duct and LV Route the INT Fan (1) cable as shown below and secure it on the side of INT Duct at two parts with polyimide tape (25(W) x 40(L)mm x 2 pieces).

  • Page 89: Int Fan (1)/(2)

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.10.1 INT Fan (1)/(2) Standard Operation Time 22 Min. Upper INT Duct Remove the Air Filter. (p.64) INT Seal A Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case.
  • Page 90 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 14. Remove the two screws ( ), and remove the LV Duct. LV Duct 15. Remove the LG Lower Seal Cushion from the LV Duct. LG Lower Seal 16. Remove the INT Seal D from the LV Duct.

  • Page 91: Th1 Board

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.10.2 TH1 Board Standard Operation Time 22 Min. Air TH Cable TH1 Board Remove the Air Filter. (p.64) INT Seal F Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67)

  • Page 92: Ex Duct (Assembly)

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.11 EX Duct (assembly) Standard Operation Time 19 Min. Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) EX Duct (assembly) Remove the Upper Case.

  • Page 93: Th2 Board / Ex Fan

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.11.1 TH2 Board / EX Fan Standard Operation Time 20 Min. Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Upper EX Duct. Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case.

  • Page 94: Sw Board (Assembly)

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.12 SW Board (assembly) Standard Operation Time 20 Min. SW Board (assembly) Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case.

  • Page 95: Sw Board

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.12.1 SW Board Control Panel Frame Standard Operation Time 23 Min. Remove the Air Filter. (p.64) SW Board Button Cushion Remove the Lamp. (p.64) Upper Control Sheet Remove the Rear Case. (p.66) SW Board Shade Sheet Remove the Front Case.
  • Page 96 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL Secure the SW Cable on the Control Panel Frame at the point shown in the figure with polyimide tape (25(W) x 40(L)mm). SW Cable Control Panel Frame Polyimide tape SEIKO EPSON Revision A...

  • Page 97: Inner Ex Duct

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.13 Inner EX Duct Lamp Connector Duct Shade Plate Standard Operation Time 22 Min. Remove the Air Filter. (p.64) Safety Switch Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case.
  • Page 98 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL Install the Safety Switch, Interlock SW and ferrite core and route the excess portion of the cables as shown below. Route the excess portion of the cables under the Inner EX Duct (1), and set the ferrite core in the position (2) shown below.

  • Page 99: Rcf Board

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.14 RCF Board RC Front Cable Standard Operation Time 19 Min. Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) RCF Board Remove the Upper Case.
  • Page 100 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL Route the RC Front Cable as shown in the figure below. Route the cable outside the boss on the Lower Case. After installing the EX Duct (assembly), secure the RC Front Cable on the EX Duct (assembly) at the point shown in the figure with polyimide tape.

  • Page 101: Rx Wireless Hd / Hdmi Cable (Eh-Tw9000W Only)

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.15 Rx Wireless HD / HDMI Cable (EH-TW9000W only) WiHD Duct Standard Operation Time 23 Min. Rx Wireless HD Remove the Air Filter. (p.64) WiHD Plate Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case.

  • Page 102: Front Foot

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.16 Front Foot Foot Rubber Standard Operation Time 23 Min. Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Front Foot Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case.

  • Page 103: Power Supply (Assembly)

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.17 Power Supply (assembly) Standard Operation Time 20 Min. Power Supply (assembly) Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case.
  • Page 104 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL Route the Power Supply (assembly) cable and secure the ferrite core as shown in Route the PS Unit cable as follows. the figure. Route the cable through the ferrite core (1) two times. Set the ferrite core into the fixing hole and secure it with the rib (1) of the Power Secure the cable with the Cable Clip.

  • Page 105: Th3 Board

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.17.1 TH3 Board Power Supply (assembly) Standard Operation Time 21 Min. PS TH Cable Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) TH3 Board Remove the Front Case. (p.67) Remove the Upper Case.

  • Page 106: Ps Fan

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.17.2 PS Fan BA Fan Case Standard Operation Time 21 Min. Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Light Valve Cushion Remove the Front Case. (p.67) Remove the Upper Case.

  • Page 107: Ps Unit

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.17.3 PS Unit Standard Operation Time 25 Min. PS Frame A Ferrite Core This part is designated as the Safety Device. When removing/ replacing the part for repair, be sure to refer to “3.4 Safety Check after Servicing (p.113)”.

  • Page 108: Ballast (Assembly)

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.18 Ballast (assembly) Standard Operation Time 25 Min. Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case. (p.68) Remove the MA Board (assembly).

  • Page 109: Ba Unit / Sci Cable

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.18.1 BA Unit / SCI Cable Standard Operation Time 26 Min. Lamp BA Cable BA Unit is designated as the Safety Device. When removing/ SCI Cable replacing the part for repair, be sure to refer to “3.4 Safety Check after Servicing (p.113)”.

  • Page 110: Filter Board Unit

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.19 Filter Board Unit Standard Operation Time 26 Min. This part is designated as the Safety Device. When removing/ replacing the part for repair, be sure to refer to “3.4 Safety Check after Servicing (p.113)”. According to the instructions in it, handle the part and perform the procedure after servicing.

  • Page 111: Ac Cable

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.20 AC Cable Standard Operation Time 27 Min. This part is designated as the Safety Device. When removing/ replacing the part for repair, be sure to refer to “3.4 Safety Check after Servicing (p.113)”. According to the instructions in it, handle the part and perform the procedure after servicing.

  • Page 112: Lower Case

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.3.21 Lower Case Gasket 2-13-100 Standard Operation Time 37 Min. Gasket 15-13-20 Remove the Air Filter. (p.64) Remove the Lamp. (p.64) Remove the Rear Case. (p.66) Remove the Front Case. (p.67) Remove the Upper Case.

  • Page 113: Safety Check After Servicing

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.4 Safety Check after Servicing Method to check the Safety Control Points Carry out the Check in the order given below. To Maintain the safeness of the product, make sure to carry out the safety check...
  • Page 114 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL Standard Power supply lines Insulation resistance should be 10 MΩ or more. Testing procedure Insulation resistance test 1.Set the range selection switch to 500 V. 2. Connect the black lead wire to the ground terminal.
  • Page 115 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL Ground continuity check Testing procedure Testing apparatus 1.Turn on the power switch. 2. Set the range selection switch to Ω. Multimeter (with sensitivity down to 0.1 Ω) 3. Connect the black lead wire to the COM terminal.

  • Page 116: E-Pixel Misalignment Correction

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.5 E-pixel Misalignment Correction Display the menu, and turn on "Correct LCD Align." When a pixel misalignment of more than one pixel has been observed, it can be corrected using the E-pixel Misalignment Correction function.

  • Page 117: Reference (Part Names Given In The Spi)

    EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL 3.6 Reference (Part Names given in the SPI) Names used in this Chapter Official Name given in SPI EIF Cable CABLE,EIF Part names used in this chapter are rewritten so as to be read easily in sentences. The...
  • Page 118 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL Names used in this Chapter Official Name given in SPI Names used in this Chapter Official Name given in SPI INT Seal E SEAL,INTAKE;E MA Insulation Sheet SHEET,INSULATION,MA MA Shield Plate SHIELD PLATE,MA INT Seal F SEAL,INTAKE;F...
  • Page 119 EH-TW8000/TW9000/TW9000W Disassembly and Assembly CONFIDENTIAL Names used in this Chapter Official Name given in SPI WiHD Duct DUCT,WIHD WiHD Plate PLATE,CONDUCTION,WIHD Zoom Ring ZOOM RING Zoom/Focus Lever LEVER,ZOOM,FOCUS SEIKO EPSON Revision A...

  • Page 120: Chapter 4 Appendix

    C H A P T E R APPENDIX CONFIDENTIAL...

  • Page 121: As (After Service) Menu

    EH-TW8000/TW9000/TW9000W Appendix CONFIDENTIAL 4.1 AS (After Service) Menu PC, HDMI, USB input's case XXXXXXXXXX XXXXXXXXXX The contents of this chapter are only for use of Epson Authorized Services. Do Input Signal Input Signal Auto Auto (XXXXXXXX) (XXXXXXXX) not disclose them to the end-users.
  • Page 122 EH-TW8000/TW9000/TW9000W Appendix CONFIDENTIAL 2nd page Video's case The version information such as firmware is displayed. Versions Versions XXXXXXXXXXXXXX XXXXXXXXXXXXXX P P XXXXXXXXXXXXXXX XXXXXXXXXXXXXXX Video Signal ideo Signal : ----------- : ----------- R R XXXXXXXXXXXXXXX XXXXXXXXXXXXXXX Total Operation otal Operation Time ime...
  • Page 123 EH-TW8000/TW9000/TW9000W Appendix CONFIDENTIAL 3rd page Table 4-1. Error log items The error log of the projector is displayed. Item Contents Representation Error Code Two alphabets CD TOT (h:m:s) LOT (h:m:s) POT (h:m:s) ST CD TOT (h:m:s) LOT (h:m:s) POT (h:m:s) ST...
  • Page 124 EH-TW8000/TW9000/TW9000W Appendix CONFIDENTIAL 4th page or later Item Contents Representation The error log of the ballast is displayed.The last 7 error logs are displayed (the latest on Internal overheat top). None is displayed if there’s no error. Fan error Thermistor error...

  • Page 125: Initializing (Resetting) The As Menu Values

    EH-TW8000/TW9000/TW9000W Appendix CONFIDENTIAL 4.1.3 Initializing (Resetting) the AS Menu Values The operational procedures and the values of initialization of the AS Menu are shown below. Clearing the Lamp Clearing the AS Clearing the Log Type Information Information Information Press [Right] either...

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