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PREFACE
~
This manual is prepared for the maintenance service for DMD Projec-
tor series. Maintenance procedures described in this manual are intended to
isolate faulty parts and replace them in the field. It also aims to serve as a guide
in procuring replacement parts for this product.
This manual is copyrighted and all rights are reserved. This product may
not, in whole or in part, be copied, photocopied, translated or reduced to any
electronic or machine readable form without prior written consent except for
copies retained by the purchaser for backup purpose.
This manual includes system overview, major system assembly, com-
ponents' description, and the "Troubleshooting" makes explanations on how to
detect errors. It also includes a flow chart for checking or correcting faults.
No Warranty or representation, either expressed or implied, is made
with respect to this documentation, its quality, performance, merchant-
ability or fitness for particular purpose.
No event will the vendor be liable for direct, indirect, special, inci-
dental or consequential damages arising out of the user or inability to use
this product or documentation.
NOTICE
P
The information found in this manual is subject to change without prior
notice. Any subsequent changes made to the data herein will be incorporated
in future edition
.
Model Name: EzPro 710
All Rights Reserved
Manual Version 1.0
Document #814-G04-01A
~

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Table of Contents
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Summary of Contents for Optoma EzPro 710

  • Page 1 NOTICE The information found in this manual is subject to change without prior notice. Any subsequent changes made to the data herein will be incorporated in future edition Model Name: EzPro 710 All Rights Reserved Manual Version 1.0 Document #814-G04-01A...
  • Page 2: Table Of Contents

    Table of Contents 1. Introduction 1.1 Product Highlight 1.2 Mechanical Specification 2. Fundamental Principle 2.1 Operating of Projector 2.2 User Control and Indicators 2.3 Optics of Projector 2.4 System 3. Mechanical Construction 3.1 Package Overview 3.2 Exploded Overview 3.3 Spare Parts Lists of Recommadation 4.
  • Page 3 5. Functions of Boards 5.1 Main Board 5.2 DC-DC Power Supply 5.3 KeyPad Board 5-10 5.4 DMD Module 5-11 6. Function Test & Alignment Procedure 6.1 Product 6.2 Test Equipment 6.3 Test Condition 6.4 Test Display Modes& Pattern 6.5 Function Test and Alignment Procedure 6.6 Hi-Pot &...
  • Page 4: Introduction

    On-screen menu with more than 6 languages. On Screen lamp life timer. One D-sub PC-data input. Built-in one speaker with 3 Watt amplifier. Self protect( 45 seconds) timer for hot re-strike of UHP lamp. Wireless remote controller. Service Manual EzPro 710 1-1...
  • Page 5: Mechanical Specification

    1024*768, 75Hz 640*400,56Hz 640*480,60/70Hz Fujitsu FM Towns 640*400,55Hz 640*480,60Hz Video Compatibility NTSC/NTSC 4.43/PAL/SECAM compatibility Composite video& S-Video capability H.Frequency 30kHz~90kHz horizontal scan V. Frequency 50Hz~85Hz vertical refresh Multimedia Audio One internal speaker with 3 watt output Service Manual EzPro 710 1-2...
  • Page 6 Acoustic noise level -42dB typical/45dB maximum Lamp life -2000 hours typital Altitude -Operating 10,000ft -Storge 40,000ft MTSF -Operating more than 10,000 hours FCC Class B, CE Mark class AB VCCI-1 Regulation UL, CUL, TUV, BCIQ Service Manual EzPro 710 1-3...
  • Page 7: Fundamental Principle

    ----To freeze the display of the current image. Note: a. Press the Freeze key again to unfreeze the display. b. The “ Freeze Screen” should have an icon to indicate the curent display has been frozon Service Manual EzPro 710 2-1...
  • Page 8 Burn In ------------- Supply burn in function Luminance masure ---- Supply luminance measure function Color Bar --------- Supply R,G,B picture Lamp hours ------ lamp hours can be adjusted here Focus --------------Supply text to adjust focus Service Manual EzPro 710 2-2...
  • Page 9: User Control And Indicators

    When you press “Reset” button, the OSD menus shows message “Reset All Yes/NO ? ”. Select “Yes” to confirm or select “ No” to cancel.This function will reset all user adjustable parameters to factory default settings. Service Manual EzPro 710 2-3...
  • Page 10 Diminishes the zoom in image. When the “Zoom” icon displayed, you can use four directional select keys to change the vertical or horizontal positioning of the image. Keystone Adjusts image distortion caused by tilting the projector. Service Manual EzPro 710 2-4...
  • Page 11: Optics Of Projector

    Plastic (PMMA) Condenser Lens TIR Prism UV-IR Filter DMD Module Hollow Integration Rod Plastic (PMMA) Relay Lens 10. Color Wheel Enhance Mirror 11. AR Coating Condenser Enhance Mirror 12. OSRAM Elliptical Reflector UHP Lamp 120W Service Manual EzPro 710 2-5...
  • Page 12 Plastic Relay Lens Lengthening optical path. TIR Prism Reflecting all light beams inside. Color Wheel Separating the light beam into and produce R.G.B colors. AR Coating Condensing the light beam. Condenser DMD Module Displaying component. Service Manual EzPro 710 2-6...
  • Page 13: System

    EzPro710 Service Manual 2.4 System 2.4.1 Block Diagram Service Manual EzPro 710 2-7...
  • Page 14 The 1024*768 mirrors are driven in a Block Reset fashion allowing for either global or phased reset and stepped address voltage schemes. Effectively, the DMD is an electrical input, optical output memory device. Service Manual EzPro 710 2-8...
  • Page 15 It is fabricated with Micron’s advanced CMOS floating- gate process. The MT28F400B1 is organized into seven separately erasable blocks. To ensure that critical firmware is protected from accidental erasure or overwrite, the MT28F400B1 features a hardware-protected boot block. Service Manual EzPro 710 2-9...
  • Page 16: Mechanical Construction

    EzPro710 Chapter 3 Service Manual Mechanical Construction 3.1 Package Overview Service Manual EzPro 710 3-1...
  • Page 17 EzPro710 Service Manual 3.1.1 Replacement parts list e l i i t l n i l i n i i n i l l o c i l Service Manual EzPro710 3-2...
  • Page 18: Exploded Overview

    EzPro710 Service Manual 3.2 Exploded Overview Service Manual EzPro 710 3-3...
  • Page 19 EzPro710 Service Manual 3.2.1 Replacement parts list - - - - - - - - - - - - l a t t a l - - - c i t Service Manual EzPro710 3-4...
  • Page 20 Service Manual EzPro 710 3-5...
  • Page 21 EzPro710 Service Manual & t l i Service Manual EzPro710 3-6...
  • Page 22 EzPro710 Service Manual a l l a l l - - - - - - Service Manual EzPro 710 3-7...
  • Page 23 EzPro710 Service Manual - - - t a l - - - p i l c i t e l f o i t a t l & i l i l l o Service Manual t s i EzPro710 3-8...
  • Page 24: Spare Parts Lists Of Recommadation

    EzPro710 Service Manual 3.3 Spare Parts List of Recommendation c i t c t i t n I a l l l l o Service Manual EzPro 710 3-9...
  • Page 25: Procedure Of Disassembly

    Lamp Cover (51.81411.001) Lamp Module ( 70.81408.001) Loosen one screw on the Lamp Cover, and remove the Lamp Cover. Push the white lamp connector up and loosen three screws of Lamp Module, then take it off. Service Manual EzPro 710 4-0...
  • Page 26: Disassemble The Main Body Unit

    Unscrew two screws on the bottom of the projector Unscrew two screws on the rear side projector. Push the Right Cover up, disconnect the speaker connector from Main Board and detach the Right Cover from the Left Cover. Service Manual EzPro 710 4-2...
  • Page 27: Dissassemble The Dc-Dc Board

    DC-DC Converter Module ( 75.81402.001 ) Unscrew two screws on the DC-DC Converter Board Unplug six Cables on Front side of DC-DC Converter Module; Unplug one Cable on Rear side of it. Remove the DC-DC Converter Board Service Manual EzPro 710 4-2...
  • Page 28: Disasemble Control Panel Module

    Keypad Keypad Board Control Panel Module ( 70.81407.001 ) Unplug FPC Cable from Main Board and remove the Control Panel Module. Unscrew three screws on Keypad Board. Disconnect the Keypad Board; Keypad and Control Panel Service Manual EzPro 710 4-4...
  • Page 29: Disassemble Engine And Electronic Module

    Unscrew six screws on Left Cover Take off the Cable Tie from cabes Unscrew two screws on the Ballast Module ( for removing engine Module easily) Remove the Engine and Electronic Module Take off Lens Cover and Focus Adjust Ring. Service Manual EzPro 710 4-4...
  • Page 30: Disassemble Main Board And Dmd Module

    Unplug Color Wheel Control Cable from DMD Module and unscrew four screws on the Front side of DMD-Module; unscrew two screws on the Rear side of it; take off the Main Board Bracket Detach the DMD-Module and Optical Engine Service Manual EzPro 710 4-6...
  • Page 31: Disassemble Lamp Holder Module

    Unscrew two screws and remove another DC Fan. Unscrew two screws on the fan bracket and pull out the Switch Interrupter from Holder Unscrew one screw on the Switch Interrupter and detach Switch Interrupter and Micro DC Blower Service Manual EzPro 710 4-6...
  • Page 32: Disassemble Ballast Module

    EzPro710 Service Manual 4.8 Disassemble Ballast Module Left Cover (51.81401.002) Ballast Module Elevator Body Housing (70.81405.001) ( 70.81406.001) Remove the Ballast Module. Unscrew two screws on elevator holder and remove the Elevator Body Housing Service Manual EzPro 710 4-8...
  • Page 33: Main Board

    Chapter 5 EzPro710 Service Manual Fuction of Board 5.1 Main Board 5.1.1 Location of Connectors (Side A) J6 : DMD Module Connector Service Manual EzPro 710 5-1...
  • Page 34 EzPro710 Service Manual c i t Service Manual EzPro 710 5-2...
  • Page 35 EzPro710 Service Manual l l o l l o a t l l a i l a i Service Manual EzPro 710 5-3...
  • Page 36 EzPro710 Service Manual 5.2.1 Location of Connectors (Side B) Digital Input JP1 VGAIN Service Manual EzPro 710 5-4...
  • Page 37 EzPro710 Service Manual JP1: Digital Input Connector t i s JP1: VGAIN Connector c i t l a t JP8: Upgrade Connector Service Manual EzPro 710 5-5...
  • Page 38 EzPro710 Service Manual JP7 :Keypad Connector Service Manual EzPro 710 5-6...
  • Page 39: Dc-Dc Power Supply

    EzPro710 Service Manual 5.2 DC-DC Power Supply 5.2.1 Location of Connectors (Side A) CN1 & CN6 CN1 : Lamp Power Connector CN2 : Thermal Connector CN3 : Fan Connector Service Manual EzPro 710 5-7...
  • Page 40 CN4 : Fan Connector CN5 : Sensor Connector CN6 : Fan Connector CN7 : DC-DC to DMD Formatter Board Connector i g i l a t CN9 :Thermal Sensor t s i t s i Service Manual EzPro 710 5-8...
  • Page 41 EzPro710 Service Manual 5.2.2 Location of Connectors (Side B) AC-DC output to DC-DC input Connector AC-DC output to DC-DC input Connector Service Manual EzPro 710 5-9...
  • Page 42: Keypad Board

    EzPro710 Service Manual 5.3 Key Pad Board 5.3.1 Location of Connectors JP1 : Keypad Connector Service Manual EzPro 710 5-10...
  • Page 43: Dmd Module

    EzPro710 Service Manual 5.4 DMD Module 5.4.1 Location of Connectors J1 : DMD Module Connector Service Manual EzPro 710 5-11...
  • Page 44 EzPro710 Service Manual c i t Service Manual EzPro 710 5-12...
  • Page 45 EzPro710 Service Manual l l o l l o a t l l a i l a i Service Manual EzPro 710 5-13...
  • Page 46 EzPro710 Service Manual 5.4.2 Location of Connectors J502 J501 Service Manual EzPro 710 5-14...
  • Page 47 EzPro710 Service Manual J501 : DC-DC to DMD Formatter Board Connec- t i g t i L J502 : Color Wheel Connector Service Manual EzPro 710 5-15...
  • Page 48: Function Test & Alignment Procedure

    2 hours with the following conditions: a). In room temperature, b). With full-white screen, c). With cycled display modes, 640*350 (H=31.47kHz, V=70.09Hz) 640*480(H=31.47kHz, V=59.94Hz) 800*600 (H=46.9kHz, V=75Hz) 1024*768 (H=48.4kHz, V=60Hz) 1024*768 (H=56.5kHz, V=70Hz) 1024*768 (H=60kHz, V=75Hz) Service Manual EzPro 710 6-1...
  • Page 49: Test Display Modes& Pattern

    EzPro710 Service Manual 6.4 Test Display Modes & Pattern 6.4.1 Compatible Modes Service Manual EzPro 710 6-2...
  • Page 50: Function Test Display Pattern

    . l a f i n y t i a i l l l u & i l F L / l a i l Fine Line Morie Pattern (Figure 1) Gray Scale Pattern (Figure 2) Service Manual EzPro 710 6-3...
  • Page 51 EzPro710 Service Manual Horizontal & Vertical Thickness Pattern (Figure 3) R./G./B. Pattern (Figure 4) R./G./B. Pattern (Figure 5) R./G./B. Pattern (Figure 6) Full White Pattern (Figure 7) Dark Screen Pattern (Figure 8) Service Manual EzPro 710 6-4...
  • Page 52: Function Test And Alignment Procedure

    (b) Then, select and enter “Track” function to adjust the image to eliminate visual noise. (c) Be sure to select and enter “Save and Return” to save the changes. Service Manual EzPro 710 6-5...
  • Page 53 Test Pattern : Dark Screen Pattern v Check and see if there are dead pixels on the screen when the focusis clear v The total numbers and distance of dead pixels should be compliant with the spec. Service Manual EzPro 710 6-6...
  • Page 54: Hi-Pot & Grounding Test

    6.6 Hi-Pot & Grounding Test Hi-Pot Specification : 1.5KV, 10mA, 2 Sec Grounding Specification : 12V DC, 25A, 0.1V 6.7 Cleaning Please use non-alcohol cleanser to clean and cosmetics material with soft cotton. Service Manual EzPro 710 6-7...
  • Page 55: Ep710 Display Specification Test Procedure

    The average of the 9 reading in lux shall be multiplied by the number of square meters covered by the image at the plane of the meter readings. The result is the light output specification of the projector in lumen. Service Manual EzPro 710 6-8...
  • Page 56 (white) rectangles and dark (black) rectangles. The average illumination or luminance value of the bright rectangles shall be divided by the average illumination or luminance value of the dark rectangles. The contrast ratio is then expressed as this ratio:1 Service Manual EzPro 710 6-9...
  • Page 57 1 – 9 as defined in Fig. 1. The ANSI Colour of the image for the setting is the average of the 9 colour readings for x and y. 4.) Distortion – Horizontal & Vertical Service Manual EzPro 710 6-10...
  • Page 58 Both results should be within the absolute specification tolorance. Measure the dimensions H1, H2 and H3, with H3 at the haif image height, as shown above. The distortion horizontal is defined as: Dist – V= (H1+H2-2*H3)/ 2*H3 *100% Service Manual EzPro 710 6-11...
  • Page 59 Observe the display by turning the lens zoom in and out. 3.) Convergence (Lateral Color Error) The image convergence is defined as the maximum absolute distance of two corresponding pixels between the red , green and blue image, expressed in pixel units. Service Manual EzPro 710 6-12...
  • Page 60: Troubleshooting Procedure

    S e r v i c e M a n u a l S e r v i c e M a n u a l S e r v i c e M a n u a l Service Manual EzPro 710 7-1...
  • Page 61 S e r v i c e M a n u a l S e r v i c e M a n u a l S e r v i c e M a n u a l Service Manual EzPro 710 7-2...
  • Page 62 S e r v i c e M a n u a l S e r v i c e M a n u a l S e r v i c e M a n u a l Service Manual EzPro 710 7-3...
  • Page 63 S e r v i c e M a n u a l S e r v i c e M a n u a l S e r v i c e M a n u a l Service Manual EzPro 710 7-4...
  • Page 64 S e r v i c e M a n u a l S e r v i c e M a n u a l S e r v i c e M a n u a l Service Manual EzPro 710 7-5...
  • Page 65 S e r v i c e M a n u a l S e r v i c e M a n u a l S e r v i c e M a n u a l Service Manual EzPro 710 7-6...
  • Page 66 S e r v i c e M a n u a l S e r v i c e M a n u a l S e r v i c e M a n u a l Service Manual EzPro 710 7-7...
  • Page 67 S e r v i c e M a n u a l S e r v i c e M a n u a l S e r v i c e M a n u a l Service Manual EzPro 710 7-8...
  • Page 68: Dmd Specification

    ( NOTE: If linear degamma table is not used then the Microsoft paint brush values must be adjusted to match the degamma table being used in order Service Manual to generate an equivalent gray level on the test screen image.) EzPro 710 8-1...
  • Page 69 Table 1. 2. Projected blemish numbers include the count for the shadow of the artifact in addition to the artifact itself. 3. The projected image will not contain any blemish more than 5 inches long. Service Manual EzPro 710 8-2...
  • Page 70: Lamp Specification

    Hot restrike <= 60 sec. (Ignition voltage 20KV +-3KV), goal 30 sec. Thermal: Fans may be switched on after lamp has been switched off. Environmental requirements Storage temperature: C to 65 Operating temperature: C to 45 Service Manual EzPro 710 8-3...
  • Page 71 Forced air cooling at 1 m/s minimum Operating and measurement conditions Ballast type Testconditions stabilized at 120W with OSRAM ballast Rated lamp wattage 120W Burning position Horizontal Switching cycle 3, 5 h on 0.5 h off Service Manual EzPro 710 8-4...
  • Page 72: Appendix

    Chapter 9 EzPro710 Service Manual Appendix 9.1 Compatibility Modes & & & & & & & & & & & & & " 3 " 3 " 6 " 9 s t i t i j Service Manual EzPro 710 9-1...
  • Page 73: The Series Number System Definition

    9.2.1 Serial Number Format A BBB Y WW C D BEMO EEEE A = CTX Opto, B~Z = OEM Product code (ex: 814=EzPro 710) Y = Last number of the year (ex: 1999 - 9, 2000 - 0) Week of Year...
  • Page 74 M : Main Board A : A/V Board D : Driver Board Example : LKOM01B10113 This label “LLOM01B10113” represents the version B1 of Main Board for EP710 on January, 2000. Its serial code is 0113. LLOM01B10113 25mm*14mm Service Manual EzPro 710 9-3...
  • Page 75 C. Do you have any other opinion or suggestion about this service manual ? Reader’s basic data : After your finishing this form, please send it back to Optoma Corporation Customer Service Service Manual Group by fax : 886-3-563-5333 or E-mail to service@optoma.com.tw . Thanks! :)

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