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Epson EMP-8000 Service Manual

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SXGA/XGA Data Projector
SERVICE MANUAL
EMP-9000/8000

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Summary of Contents for Epson EMP-8000

  • Page 1 SXGA/XGA Data Projector SERVICE MANUAL EMP-9000/8000...
  • Page 2 EMP-8000/9000 Revision:A SEIKO EPSON...

  • Page 3: Table Of Contents

    2.14.1. Interlock Switch (A part of filter unit )........... 2-37 2.14.2. Safety Switch................2-38 2.14.3. Thermistor and temperature sensor operation ......2-38 2.15. Fan Operation ..................2-40 2.16. LED indicator ..................2-43 2.17. Operation Panel (Upper Case Unit) ............ 2-44 SEIKO EPSON Revision:A...
  • Page 4 3.2.14. Filter Unit ..................3-17 3.2.15. Thermistor LAMP ................ 3-17 3.2.16. Safety Switch................3-18 Chapter 4 Troubleshooting 4.1. Before Starting Troubleshooting Procedures.......... 4-2 4.1.1. Tools and Accessories Required for Troubleshooting..... 4-2 4.1.2. Field Replacement Parts ..............4-2 4.2. Entry......................4-3 Revision:A SEIKO EPSON...
  • Page 5 Macintosh and Power Book are the registered trademarks of Apple Computer Inc. Windows is the trademark of Microsoft Corporation. EPSON is the trademark of SEIKO EPSON CORPORATION. NOTICES 1.This document should not be reproduced in whole or in part without the written permission of SEIKO EPSON CORPORATION.
  • Page 6 EMP-9000/8000 Record of Revisions History Issued Date Alternation REV. 0 1999. August. 20 for Training only REV. A 1999.September.8 Original Issued Memo Random Free area to memorize any important technical information here. Revision:A SEIKO EPSON...
  • Page 7 (2). LIMITATION OF PARTS * Use only authorized or supplied parts from EPSON for the replacement of mechanical parts including the lamp inner housing, air filter and so on.
  • Page 8 EMP-9000/8000 or contents of the document would like to be contacted to the below address. Any technical information about amendments is occasionally available as the service bulletin. SEIKO EPSON CORPORATION 4897 SHIMAUCHI, MATSUMOTO-SHI, NAGANO-KEN 390-8640 JAPAN ATTN: Visual Device Customer Support Group...

  • Page 9: Product General

    Chapter 1 Product general...
  • Page 10 E MP -8000(XGA): 3(R,G.a n d) of TN ligu id cr yst a l pa n els of 786.432 pixel su pply a ppr oxim a t ly 2.3 m illion (1024x768x3) dot s. • The signal to VGA~UXGA is able to be projected full screen with the adoption of Epson original image compression technology DAR (Digital Active Resizing).

  • Page 11: Part Name

    Foot adjust lever Front foot Figure1-1 Front side view Video buton Menu button HEMP button Esc button Power button Tracking button Computer button A/V Mute button Enter button Resize button Sync button Keystone button Shift button Figure1-2 Operation panel SEIKO EPSON Revision:A...
  • Page 12 EMP-9000/8000 Computer1 Monitor Out L-Audio2-R Audio Out Audio1 Remote Mouse/Com1/2 S/Video Video L-Audio-R Figure1-3 Interface panel Remote control receiver Operation panel Exhaust fan Power inlet Figure1-4 Rear side view Revision:A SEIKO EPSON...

  • Page 13: Inside View Of Main Frame

    EMP-9000/8000 1.2.2. In side view of m a in fr a m e Projection panel Power supply unit Ballast unit Lens shift mechanical unit Main board assy unit Safety switch Filter unit IF unit FUSE board Figure1-5 SEIKO EPSON Revision:A...

  • Page 14: Outside View Of Remote Controller

    EMP-9000/8000 1.2.3. Ou t side View of Rem ot e Con t r oller (Front) (Back) Inside of cover Figure1-6 Remote controller Revision:A SEIKO EPSON...

  • Page 15: Main Compornent

    EMP-9000/8000 1.3. MAIN COMP ORNE NT Main board Assy unit Figure1-7 MA board AU board Assy Figure1-8 AU Board Assembly IF Unit Figure1-9 SEIKO EPSON Revision:A...
  • Page 16 EMP-9000/8000 Power Supply Unit Figure1-10 Ballast Unit Figure1-11 Fiter Unit Figure1-12 Revision:A SEIKO EPSON...
  • Page 17 EMP-9000/8000 Speaker L/R Speaker R Speaker L Figure1-13 RC Receptor Board (Back/Front) Ballast Unit Lamp Case Unit Figure1-14 Connector Board U Assembly Connector Board L Assembly Connector board L Connector board U Upper case Figure1-15 SEIKO EPSON Revision:A...
  • Page 18 Optical Engine(The unit that in one body of Driver board Assy, FUSE board assembly, Intake fan, Optical head unit and Light guide unit.) Light guide unit Safety switch (Optical engine is difference parts) FUSE board assembly ens shift mechanical unit (Optical engine is difference part) Driver board Assy Figure1-18 Revision:A 1-10 SEIKO EPSON...
  • Page 19 EMP-9000/8000 Projection panel Intake fan Figure1-19 SEIKO EPSON 1-11 Revision:A...

  • Page 20: Specifications

    Projection distance 1.1m~15.6m Liquid crystal screen /Drive system Poly-cilicon TFT (MLA built in) 1.3inch (Diagonal) EMP-9000 :Full lines, 24phase block series EMP-8000 :Full lines, 12phase block series Pixels EMP-9000 :1398784x3 (1366x1024x3) EMP-8000 :786432x3 (1024x768x3) Focal Lens Manual Zoom lens F1.8-2.4 (49~69 mm)

  • Page 21: Accessory Specification

    • Transmission Directivity Right / Left:±20° Upper / Lower:±20° Power cord • 2.7m <9ft>. Computer cable • Mini D-Sub15pin type : 1.8m <6ft>, HDsub-15pin type. • 5 BNC type : 1.8m <6ft>, Conversion from HDsub-15pin to BNC. SEIKO EPSON 1-13 Revision:A...
  • Page 22 • Mac Mouse cable, Mini DIN 8pin - Mini DIN 4pin, x1 • USB Mouse cable, D-sub 9pin - D-sub 9pin, x1 • Mac Serial cable, Mni DIN 8pin - Mini DIN 8pin, x1 • Projector Software, CD-ROM. Battery • Simple 3 Alkaline LR6 <AA> x2. Revision:A 1-14 SEIKO EPSON...

  • Page 23: Interface Specification

    1.5.2. Au dio 1 (Th e voice in pu t fr om com pu t er ) 3.5mm Stereo mini jack 1 pin: GND 2 pin: Computer audio input L 3 pin: Computer audio input R The other pins: NC SEIKO EPSON 1-15 Revision:A...

  • Page 24: Audio Out

    Reserved H sync Horizontal sync. V sync Vertial sync. V sync 1.5.5. S-Video S-terminal input Mini DIN 4-pin 1,2,6 pin: GND 3 pin: Y signal input 4 pin: C signal input 5 pin: Input detection terminal Revision:A 1-16 SEIKO EPSON...

  • Page 25: Video In / Audio L/R

    Reserved READY Reserved LEFT LEFT Reserved Reserved Reserved RIGHT LEFT Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved PCV(+5V) PCV(+5V) PCV(+5V) Reserved Reserved SEIKO EPSON 1-17 Revision:A...

  • Page 26: Remote

    EMP-9000/8000 1.5.8. Rem ot e 3.5m m St er eo m in i-ja ck 1,6 pin: GND 2 pin: Repeater detection / Signal 5 pin: LED lanp Revision:A 1-18 SEIKO EPSON...

  • Page 27: Chapter 2 Theory Of Operation

    Chapter 2 Theory of operation...

  • Page 28: Hardware Configulation

    Light Guide Unit Cable Assem bly, Lam p Fuse  Composite Focus/ Zoom FC Board R/G/B Assembly Driver Board Assem bly Light valve Prism Projection Lens Unit         :  Figure2-1 Hardware block diagram Revision:A SEIKO EPSON...

  • Page 29: Process Outline

    Speaker R AUboard Display control Speaker L Assembly Figure2-2 Optical Process block Light Valves R Projection Lens Lamp inner Housing (Light Source) Light Valves G Light Valves B Prism (R/G/B sinthesize) Balast Unit Driver board Assy Figure2-3 SEIKO EPSON Revision:A...

  • Page 30: Electrical System

    In addition to the five items, FC board is attached at the rear of light guide unit. It relay the switch signal on the lamp inner housing (FUSE board Assembly) to the Driver board Assy. 1. It is therefore independent of the optical functions. Revision:A SEIKO EPSON...
  • Page 31 Prism unit Projection Lens FC board Unit Lens shift mechanical unit Figure2-4 Optical block Inside view of light guide unit Figure2-5 Inside of light guide unit Lamp inner housing Optical head / Prism unit Figure2-6 SEIKO EPSON Revision:A...
  • Page 32 Rate up and down the projection lens unit (Adjust the keystone corection ration). CAL UNIT     Caution: Intake fan, Light guide unit ,Optical head /Prism unit, Projection lens unit and Driver board Assy are handle as one parts named Optical engine. Revision:A SEIKO EPSON...

  • Page 33: Filter Unit / Safety Switch

    : When remove the lamp cover unit the AC power soutput is shutdown. (To secure the safety operation at the lamp housing replacement.) Safety switch : Overheat condition is presented around the lamp inner housing area, (The N/C type) it shutdown the AC power. SEIKO EPSON Revision:A...

  • Page 34: Power Supply Unit

    AC input EMI Filter Thermostat Switch Ballast Primary Ballast Power output regulator Supply circuit Main power Supply (DC regurator) output Sub Power Supply Circuit (+3.3R) Resident Power Supply PW ON FAN CL CN201 Cooling fan Power Supply Figure2-11 Revision:A SEIKO EPSON...
  • Page 35 Table 2-2 AC input (CN103 N/L) AC Input Rating Tolerance Input voltage AC100~240V AC85~276V frequency 50 / 60Hz 48~62Hz Table 2-3 Ballast output Pin No. Signal name HGNT(-) Ballast out put (-) BAHV(+) Ballast out put (+) SEIKO EPSON Revision:A...
  • Page 36 Pin No. Direction Remarks Pin No. Direction Remarks name name +3.3R Sub power supply FANCL Fan control +3.3R Sub power supply PWON Main power supply ON/OFF +3.3R Sub power supply +12R Power down signal Fan control Revision:A 2-10 SEIKO EPSON...

  • Page 37: Ballast Unit

    : Monitoring the regulator circuit and genarates the feedback sig- nal of the output voltage stabilization and detects of output cur- rent. When the lamp inner housing becomes consume, the “LPST“ signal is transmitted to the main board Assy unit. SEIKO EPSON 2-11 Revision:A...
  • Page 38 EMP-9000/8000 (2) Input/output specification Voltage Rating power Input 300~400VDC 260W (max) 3W (At the time of the standby) output AC45~200V 220W±4% Revision:A 2-12 SEIKO EPSON...

  • Page 39: Main Board Assy Unit

    Outside View and connection of the Main board Assy unit for EMP-9000 are shown below.     Caution: There are no compatibility with the Main board Assy unit for EMP-9000 and it for EMP-8000, though the outside view of each boards are similarly.
  • Page 40 EMP-9000/8000 (1). Main board Assy unit circuit block Figure2-17 Main board circuit block(EMP-9000/8000) Revision:A 2-14 SEIKO EPSON...
  • Page 41 The function that transforms analogue Y/Cr/Cb picture signal, into the analogue RGB pic- ture signal. • Analog-to-digital conversion department (Main device Video ADC :AD9483) The function that converts the analogue RGB picture signal from PC, analogue Y/Cr/Cb picture signal to the digital signal (RGB8:8:8). SEIKO EPSON 2-15 Revision:A...
  • Page 42 IR decoder (IC1507) receives the data of serial form, and I/O controller controls the action of each part. (Even Repeater I/F signal (Serial form) that is supplied from the IF panel unit is similar. ) Revision:A 2-16 SEIKO EPSON...
  • Page 43 EMP-9000/8000 side of main cable is jack connector(13 pin), another side (the side con- nected to the computer) is equipped three correctors. These three connector are equipped in order to cope with type of each computer (Dos/V, MAC, 98) and type of each mouse (Serial, PS/2). SEIKO EPSON 2-17 Revision:A...
  • Page 44 MAC serial cable ADB port It is necessary for link set function Main cable 13pin MAC mouse cable Printer or (EMP-9000/8000) modem port Figure2-18 female PINOUT CONFIGURATION (male) J1 13  4 SHELL OVERALL SHELL Figure2-19 Revision:A 2-18 SEIKO EPSON...

  • Page 45: Driver Board Assy

    Outside View of the Driver board Assy are shown below.     Caution: There are no compatibility with the Driver board Assy for EMP-9000 and it for EMP-8000, though the outside view of each boards are similarly. Driver Board...
  • Page 46 ( 1@15 ) 41561*7 Jointed to Light valve & 89:;<9 & >6? &3 JJ@JPQ2RJ@RP * =@=" MJ@MPQ2SJ@SP & 89:;<9 & >6? 3 JJ@JPQ2RJ@RP * 5@5" MJ@MPQ2SJ@SP -$ 89:;<9 $- >6? 3 JJ@JPQ2RJ@RP *1  @ " MJ@MPQ2SJ@SP Figure2-21 Revision:A 2-20 SEIKO EPSON...
  • Page 47 • Each shift register generates the display data of 24 bit from 4 analog signals. • The LCCOM circuit generate standard voltage for the light valve driver (LCD) based on three display voltage control (R/G/B) output from the correction circuit DAC. SEIKO EPSON 2-21 Revision:A...

  • Page 48: Au Board Assembly

    • The adjustment of the volume etc. is controlled with the audio controller on the IF panel unit. CN204 CN203 Connect to Conncter Board U Connect to Main board Assy unit CN201 CN1002 Speaker L IC201 Power Amp Pre Amp CN202 +13V Regurator Speaker R R-IN L-IN SMUTE Figure2-23 AU board Revision:A 2-22 SEIKO EPSON...

  • Page 49: If Units

    Connect to Main board Assy unit CN2 Connect to Main board Assy unit CN502 Figure2-24     Remarks: Because of DDC chip installation, there are no compatibility of IF panel unit with EMP-9000’s and EMP8000’s. SEIKO EPSON 2-23 Revision:A...
  • Page 50 (Initial value is :center±0) 5. The volume adjustment is performed by "AMP VOL" and "LINE OUT VOL". The adjustment step is 32 steps. (Initial value is :step15) 6. Voice mute is performed when "MUTE" key was pushed. Revision:A 2-24 SEIKO EPSON...
  • Page 51 1-2-3-4-5-6. variable width of off-1-2-3-4-5-6 "CENTER" is adjustable when the “SPACE“ is selected the value of 1 to 6. (“CENTER“ adjustment is invalid when the “SPACE“ is OFF.) 8. DDC control (Main device EEPROM :24LCS21T) The function corresponding to the DDC inquiry from PC. SEIKO EPSON 2-25 Revision:A...

  • Page 52: Connector Boarrd U Assembly / Connector Board L Assy

    It is fixed to the lamp cover unit with screws and it’s land pattern contacts with the spring point of connector board U Assembly. The exhaust fan and the receptor board assembly are con- nected to the connectors. Connector Board L Figure2-27 Revision:A 2-26 SEIKO EPSON...
  • Page 53 AU board assembly CN203 Cable Assy UP case CN102 (Spring point of Inside Lamp cover unit connecter) Connector board L Assembly CN100 Spring point Exhaust fan (Rear) RC Receptor board Assy CN101 Spring point Cable Assy RCR Figure2-28 SEIKO EPSON 2-27 Revision:A...

  • Page 54: Rc Receptor Board Assembly

    Circuit block Main board Assy unit IR decoder (IC1507) CN1405 RC Receptor board Remote controller Assembly CN1002 Address, I/O Bus controller (IC1108) AU board IF unit Assembly SDA/SCK Receiver (IC1101) CN1502 CN302 CN303 Driver board Assy Figure2-30 Revision:A 2-28 SEIKO EPSON...

  • Page 55: Speaker Unit

    AU board, then are output to the speakers. Detecting the connection to an exter- nal speaker (Audio Out), the Main board Assy unit only determines the use of the built-in speaker or the external speaker. SEIKO EPSON 2-29 Revision:A...

  • Page 56: Light Guide Unit

    The UV filter coated on the surface of the multi-lens array eliminates ultraviolet rays to reduce the light valve’s deterioration. The light dispersed through the Lens Array A/B is reuniformed with PBS lens. (2). CDM Revision:A 2-30 SEIKO EPSON...
  • Page 57 To collect the lights dispersed into each polarization plate. (6). Adjusting screws • Adjusting the PBS lens position to obtain the best uniformity of source light. • Adjusting th polarization plate(R/G/B) to obtain the best uniformity of polarized light. SEIKO EPSON 2-31 Revision:A...

  • Page 58: Lamp Inner Housing

    EPSON service center. The brightness of the lamp is 1700lm (EMP-9000) / 2200lm (EMP-8000), but it reduces corre- sponding to its running hours. When the lamp is new, its brightness is maximum. After running about 2000 hours, the lamp reduces its brightness to almost 50 to 70 percent of a new one.
  • Page 59 When the lamp life is finished with running hour of 2000 hours, you can not turn on the lamp again without replacement to the new one. If you turn the power at ones, the lamp inner housing does not recongnize as a new one. SEIKO EPSON 2-33 Revision:A...
  • Page 60 Ensure with information of MENU display. Lamp total running hours with Keep total running Ensure with information of EMP-5500 hours with EMP-7500. MENU display. Lamp exchange times Keep exchange times. Ensure with information of MENU display. Revision:A 2-34 SEIKO EPSON...
  • Page 61 Driver board Assy initialize Three times? Main board Assy unit Wait initialize Lamp off 30sec Error handling Figure2-36 Lamp on sequence *Filter eliminate ultraviolet rays from light, then output to the light bulb block. If this filter SEIKO EPSON 2-35 Revision:A...

  • Page 62: Sensor / Switch

    Multilens department of the light guide Overheat protection for light guide unit unit area. LV thermistor On the prism duct (Thermistor) Overheat protection for light valve area. Interlock switch LAMP Thermistor LV Thermistor PBS Thermistor Figure2-37 Sensor/Switch Revision:A 2-36 SEIKO EPSON...

  • Page 63: Interlock Switch (A Part Of Filter Unit )

    Interlock Switch Figure2-38 The interlock switch is installed on the AC power source line. Consequently, if the lamp cover unit is removed, the AC power source is shut off and you can not turn on the power. SEIKO EPSON 2-37 Revision:A...

  • Page 64: Safety Switch

    AT 70  Arround PW364 Intake/ Exhaust AT 70  Arround LM2202 Intake/ Exhaust AT 70  Arround AD9483 Intake/ Exhaust AT 65  Arround TA1270 Intake/ Exhaust ATL70  Arround LH Intake/ Exhaust Revision:A 2-38 SEIKO EPSON...
  • Page 65 CPU on the Main board Assy unit output the warning indication with temperature indicator or tums off ballast power (lamp power) in order to protect the damage of light valves(LCD panel). LV Thermistor LAMP Thermistor PBS Thermistor PBS/ Figure2-40 Lamp/LV thermistor SEIKO EPSON 2-39 Revision:A...

  • Page 66: Fan Operation

    (Mainly lamp inner housing and power supply unit produce the heat and increase the temper- ature.) Figure2-41 Exhaust fan Power supply unit fan Figure2-42 Power supply unit fan (Bottom of light guide unit) Intake fan2 (Top of light guide unit) Intake fan1 Figure2-43 Intake fan Revision:A 2-40 SEIKO EPSON...
  • Page 67 Main board Assy unit. (Intake fan1/2 has three state :stop /slow /fast, Exhaust fan has five state :stop /slow /midium-slow /midium-fast /fast) • Power supply fans is provided drive bias which produced on the power supply unit. SEIKO EPSON 2-41 Revision:A...
  • Page 68 (Refer to the paragraph 2.14 for detail) • Cool down After the lamp “Fast“ condition until the thermistor and temperature sensor detect the below level of “Slow“. Revision:A 2-42 SEIKO EPSON...

  • Page 69: Led Indicator

    Blink 1 Blink 1 Blink 1 Overheat operation (Warm-up) Blink 1 Blink 1 Blink 1 Blink 1 Overheat operation (Cool down) Overheat Blink 1 Fan defect Blink 2 Sensor defect *1 second 50%duty. Blink2:2 second 50%duty. SEIKO EPSON 2-43 Revision:A...

  • Page 70: Operation Panel (Upper Case Unit)

    2.17. Oper a t ion P a n el (Upper Ca se Un it ) The operation panel includes the board with 15 switches, and is connected to the connector CN1403 on the Main board Assy unit. Figure2-46 Operation Panel Revision:A 2-44 SEIKO EPSON...

  • Page 71: Chapter 3 Disassembly And Assembly

    Chapter 3 Disassembly and assembly...

  • Page 72: Disassembly And Assembly Procedures

    * Do not exchange any unit on the optical engine to the others. The optical components listed in the next page are required the mechanical alignment or elec- trical correction in the control circuit. (writing the image adjustment data) Revision:A SEIKO EPSON...
  • Page 73 • Ghost contrast adjustment data • Sub contrast adjustment data     Caution: For the writing correction values, an expensive, special device and also skillful engineer are necessary, therefore it can not adjust in the field. SEIKO EPSON Revision:A...
  • Page 74 (4). Caution for field maintenance Observe the following procedure, when you repair. Otherwise, display quality is not guaran- teed, and also EPSON repair service is not available. 1. Do not disassemble the block. (Do not loosen any screws.) 2. If either the optical block or the Driver Board Assembly becomes wrong, replace them in set.

  • Page 75: Disassembling The Main Unit

    RC Receptor Board Assembly Thermistor OA/LAMP Safety Switch Optical Engine P.3-14 P.3-19 P.3-19 Lamp Connector Holder Intake Fan Guard Intake Fan A Fuse Board Assembly PP Knob Mechanical Unit Filter Unit P.3-18 Figure3-1 : Disassembly flow chart SEIKO EPSON Revision:A...

  • Page 76: Lamp Cover Unit

    Unit. Each is fixed in a screw(Screw, CBP-tite M3x8) individually. Connector board L Assy RC receptor board assmbly Figure3-3 3. Remove Four screws(Screw, CBP-tite M4x35) fixing the Exhaust Fan then detach the Fan Gard and Exhaust Fan. Revision:A SEIKO EPSON...

  • Page 77: Lamp Inner Housing

    When installing the Lamp Inner Housing, take care not to touch the lamp’s reflector with a hand (to prevent the reflector flom being contaminated). 3.2.4. Air F ilt er 1. Slide Fan cover under the main frame to direction of the arrow. Figure3-5 SEIKO EPSON Revision:A...

  • Page 78: Front Case

    Front Case. Figure3-6 3.2.6. P r oject ion Len s 1. Remove four screws(Screw, HSH M4x8) fixing the Projection Lens by using exclusive use 6 corner wrench then take out Projection Lens from Optical Engine Screw Screw Figure3-7 Revision:A SEIKO EPSON...

  • Page 79: Upper Case Unit

    When installing the Projection Lens, take care Screw and label becomes the upper side. 3.2.7. Upper Ca se Un it 1. Remove four screws fixing the Upper Case Unit then open the Upper Case Unit to direction of the arrow. Figure3-9 SEIKO EPSON Revision:A...
  • Page 80 5. Detach the Connector Board U Fixing Plate on the Upper Case Unit and detach the Con- nector Board U on the Connector Board U Fixing Plate. Each is fixed in a screws(Screw, CC M3x6). 6. Remove a screws(Scerw, CP M3x6) fixing the Operation Panel, then detach the Operation Panel.] Revision:A 3-10 SEIKO EPSON...

  • Page 81: Main Board Assy Unit

    3. Detach the Main Board Assy Unit. Figure3-11     Caution: Refer to page.2-14 about cable splicing figure of Main Board Assy Unit. 3.2.9. IF u n it 1. Disconnect all of cable connectors on the Driver Board Assy. SEIKO EPSON 3-11 Revision:A...
  • Page 82 Screw CBP-tite M3x8 BNC Fixing Plate Screw CBP-tite M3x8 Figure3-13 4. Separate IF Fixing Plate and IF Circuit Assy.     Caution: When installing the IF unit, refer to 2.8 and confirm cable is wired correctly. Revision:A 3-12 SEIKO EPSON...

  • Page 83: If Panel Unit

    2. Remove the IF Panel Unit. IF Panel Unit notch notch Figure3-14 3.2.11. Opt ica l E n gin e 1. Remove two screws(Screw, CP(S-P1) M3x8) fixing the Lamp Connector Holder, then detach the Lamp Connector Holder. Figure3-15 SEIKO EPSON 3-13 Revision:A...
  • Page 84 EMP-9000/8000 2. Disconnect two wire cables conneced to the Safety Switch. Safety Switch Figure3-16 3. Remove five screws fixing the Optical Engine, then detach the Optical Engine on the Lower Case Unit. Figure3-17 Revision:A 3-14 SEIKO EPSON...
  • Page 85 (Side that attaches and seal have attached and side that has cable is the outside) When installing the Lamp Connector Holder, please confirm Lamp Connector Holder attached to a correct direction. Confirm attached like the rough figure While seeing from the side of Lamp insert entrance. SEIKO EPSON 3-15 Revision:A...

  • Page 86: Power Supply Unit

    2. Remove two screws(Screw, CC M3x6) fixing the Ballast Unit, then detach the Ballast Unit. 3. Remove a screw(Screw, CBP-tite M3x8) fixing the RC Receptor Board Assy, then detach the RC Receptor Board Assy on the Balast Unit. RC receptor board Ballast unit Figure3-21 Revision:A 3-16 SEIKO EPSON...

  • Page 87: Filter Unit

    1. Remove three screws(Screw, CC M3x6) fixing the Filter Unit, then detach the Filter Unit on the Lower Case Unit. Figure3-22 3.2.15. Th er m ist or LAMP 1. Remove a screw(Screw, CBP-tite M3x8) fixing the Thermistor OA/LAMP, then detach the Thermistor LAMP on the Optical Engine. LAMP Thermistor Figure3-23 SEIKO EPSON 3-17 Revision:A...

  • Page 88: Safety Switch

    3.2.16. Sa fet y Swit ch 1. Disconnect two wire cables conneced to the Safety Switch. 2. Remove two screws(Screw, CP(S-P1) M3x6) fixing the Safety switch, then detach the Safety Switch on the Optical Engine. Figure3-24 Revision:A 3-18 SEIKO EPSON...

  • Page 89: Chapter 4 Troubleshooting

    Chapter 4 Troubleshooting...

  • Page 90: Before Starting Troubleshooting Procedures

    There are no compatibility with the Main Board Assy Unit and the optical engine for EMP-9000 and 8000, though the outside view of each unit are similarly.     Caution: This chapter omits “Main board Assy Unit“ with “MA Board“ for space. Revision:A SEIKO EPSON...

  • Page 91: Entry

     E nsure button operations on the remote controller. Remote controller  (Front /Rear)  E nsure link set functions from remote controller. Mouse/Com  (Link set option is necessary.) interface control  O thers’ Others  (Noise, Over heat, etc.) Figure4-1 SEIKO EPSON Revision:A...
  • Page 92  A ny damage or dirt condition is not presented on the socket  D iscoloration is not presented on the connector terminal  A ny damage or dirt condition is not presented on the socket AC inlet Attach the Lamp inner housing and Lamp cover unit. Figure4-2 Revision:A SEIKO EPSON...
  • Page 93  CN2 on the Driver board to CN1 on the FC board FC board to DR board  C N801~803 or CN804~806 on the Driver board .(lock type) Light valve R/G/B Attach the Driver board Attach the upper case unit Attach the Lamp ccover unit Figure4-3 SEIKO EPSON Revision:A...
  • Page 94 Replace applicable Replace Safety switch power supply unit. Go to start Dose Exhaust fan Go to start move? Replace Exhaust fan Dose Exhaust fan move? Press Power switch on the switch panel pushes down 30 second. Figure4-4 Revision:A SEIKO EPSON...
  • Page 95 Wait 60 sec 1. MA board 2. PBS thermistor 3. L/V thermistor 4. LAMP thermistor Operation indicator becomes lights in orange? Cool down Operation indicator Operation, Lamp, Temperature goes off? Normal and Go to next page. Figure4-5 SEIKO EPSON Revision:A...
  • Page 96     Caution: Even the picture quality defectiveness that originates from Replace Ballast unit A. condensation or dirt of lens is conceivable. In case of con- densation, it becomes normal naturally if it leaves for a while. Figure4-6 Revision:A SEIKO EPSON...
  • Page 97 Does screen appear on the CRT? Does screen appear? Replace CRT monitor. Replace computer cable. Does screen appear? Go to Audio out Take the adjustment shown in the table 1(page 4-7). Replace optical engine. Does picture quality is good? Figure4-7 SEIKO EPSON Revision:A...
  • Page 98 Does Mute button works? Does external speaker output output the sound? the sound? Replace AU board. Replace AU board. Replace MA board. Does internal speaker R/L Go to Operator panel. output the sound? Replace MA board. Figure4-8 Revision:A 4-10 SEIKO EPSON...
  • Page 99 Does AV Mute button works? Does all button works? Does Tracking +/- button works? Replace MA board. Does Video button Works? Does ESC button works? Does Key stone button works? Does Shift +Volume button works? Figure4-9 SEIKO EPSON 4-11 Revision:A...

  • Page 100: Remote Controller

    10m distance of the front and the rear? Does power ON/OFF are available? Replace Remote controller. Replace RC receptor. Does power ON/OFF are available? Replace MA board. Does power ON/OFF are available? Replace RC receptor cable. Figure4-10 Revision:A 4-12 SEIKO EPSON...
  • Page 101 Low reproduced problem? Suspect following defects.  A C input(Include power line transit or distortion)  P ower supply unit  M A board  C able connection (fail to make condition.) Figure4-11 SEIKO EPSON 4-13 Revision:A...
  • Page 102 EMP-9000/8000 Revision:A 4-14 SEIKO EPSON...
  • Page 103 P r ocess Ou t lin e 2-16 Ma in u n it specifica t ion s 1-12 La m p In n er H ou sin g VCCI r u les 2-32 Cir cu it block 2-33 SEIKO EPSON Revision:A...

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