Optoma EP758, EP759 Schematic

SER VICE MANUAL

Model Na me : EP758/EP759

Prepared by SI : ________________________________________ Prepared by TSE : ________________________________________ Check by : ________________________________________ Approved by : ________________________________________

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21/01/40020.1VeussIlaitinI

Document #896-G04-01A . P/N: 36.89601.001

Preface

This manual is prepared for the maintenance service for EP758/EP759 Micro-portable XGA DLP Projector. 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, components’ description, and the “Troubleshooting” making expla nations on how to detect errors. It also include s 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, merchantability or fitness for particular purpose.

No event that the vendor will be liable for direct, indirect, special, incidental or consequential damages arising out of the user or inability to use this product or documentation.

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 further edition.

EP758/EP759i

Table of Contents

Chapter 1 Introduction 1-1

Product Highlight 1-1 Optical Specification 1-2 Electrical Specification 1-3 Mecha nical Specif ication 1-5 Environment 1-5 Compatible Modes 1-6

Chapter 2 Disassembly of Procedure 2-1

Disa ssemble Lamp Module and Elevator Foot 2-1 Disa sse mble Top Cover, Front Cover, Keypad Board and IR Sensor Module 2-3 Disa ssemble Main Board Module, Thermal Switch a nd LVPS Module 2-6 Disa ssemble Fa n Guider Module, Wind T unnel Module, La mp Driver Module and Axial Fan 90*25 2-9 Disa ssemble Color Wheel Module, Optical Engine Module, 45*45*9 Dish Fan a nd Blower Fan 60*25 2-12 Disa ssemble Spe aker, Blower Fa n 50*20, Thermal Sensor Board, Interrupt Switch Module, Bottom Cover and Rear Cover 2-16

Chapter 3 Troubleshooting 3-1

Equipment Needed 3-1 Main Procedure 3-2

Chapter 4 Function Test and Alignment Procedure 4-1

Product 4-1 Test Equipment 4-1 Test Condition 4-1 T est Display Modes and Pattern 4-2 Inspection Procedure 4-7

Chapter 5 Firmware Upgrade Procedure 5-1

Equipment Needed 5-1 Hardware Setup Procedure 5-1 Firmware Progra m Installation Procedure 5-2

EP758/EP759ii

Chapter 6 DDC Key-in Procedure 6-1

Equipment Needed 6-1 Setup Procedure 6-2 DDC Key in Procedure 6-3

Appendix A 7-1

Exploded Overview 7-1

Appendix B 7-37

Serial Number System Definition 7-37 Reader’s Response 7-38

EP758/EP759iii

Chapter 1

Introduction

This manual is applied to 0.7”*1 DMD Color Projector with digital imaging functionality based on Digital Micromirror Device (DMD) technology . It’s the mode of single pa nel, long life lamp. The manual gives you a brief description of basic technical information to help in service and main taining the product. Y our customers will a ppreciate the quick response time when you i mmediately identify problems that occur with our products. W e expect your customers will a ppreciate the service that you offer the m. This manual is for technicians and people who have an electronic background. Send the product back to the distributor for repairing and do not attempt to do anything that is complex or is not mentioned in the troubleshooting.

250watt(EP758) / 300 watt(EP759)

1-1 Product Highlights

- One 0.7" DDR DMD projection syste m with 2000(EP758) / 2210(EP759) ANSI lumen

- Contrast (FOFO) : 1000 : 1

- 250(EP758) / 300(EP759) - Watt Lamp 1500hrs (user repla cea ble)

- High efficiency cooling system with system acoustic noise level 33dBA(EP758) / 36dBA

(EP759) ( A verage )

- Dimensions : 250*335*100mm w/wind tunnel

- NTSC/P AL/SECAM video ca pability with S-video / composite / component, a nd HDTV (480i/p, 576i/p, 720p, 1080i)

- Auto detection of computer signal input.

- Auto Image.(Auto-tracking /frequency /position adjustment)

- Automatically saves adjustments for future use

- On-screen menu with 11 language s(EP758) / 9 languages(EP759)

- One DVI input ( Including Analog a nd Digital RGB signal ) with HDCP function

- Wireless re mote controller

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1-1

EP758/EP759

1-2 Optical Specification

Technology Single 0.7” XGA DDR DMD chip

Resolution 1024 x 768

Brightness Specification: 2500(EP758) / 3000(EP759) lumens

T ypical output: 2000(EP758) / 2600(EP759) lumens

Contrast ratio Specification: 1500:1 full on/full off

T ypical output: 1300:1 Minimum: 1000:1 full on/full off

Uniformity Specification: 85% (JBMA)

Displayable colors 16.7 million colors 256 shades of gray

Color temperature 7500oK adjustable form 6500oK - 9500oK

Lamp type 300 watt lamp and power-saving mode to 250 watts for EP759

250 watt lamp and power-saving mode to 200 watts for EP758

Lamp life

2000 hours full on mode 1500 hours to 50% survival typical full on mode 3000 hours in ECO-mode 2500 hours to 50% survival typical in econo-mode

Projection lens F/2.2-2.6; f24.5 –29.4: 1.2x (EP759)

F/2.4-2.6; f28-33.6:1.2x (EP758)

Projection screen size Adjustable from 24.4” to 292.5” (EP759)

Adjustable from 24.6” to 246” (EP758)

Projection distance 1.2-10m

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1-2

EP758/EP759

1-3Electrical specification

Input connections

- Terminal:DVI x 1 (Analog RBG, Component, HDTV, Digital RGB, HDCP) 15 pins D-sub VGA signal input Composite V ideo X 1. Three RCA connectors for Component video/HDTV input Audio Input X 1 USB X 1 (for remote mouse) S-Video X 1 IR x 2 (Front, T op panel) RS232 Serial Control x 1 (3 pin mini din) Power Cord x 1

- PC/V ideo: One DVI-I + USB(analog a nd digital YCbCr/YPbPr w/ HDCP).

- One D-Sub 15-pin connector for analog RGB/component video/HDTV

- V ideo: 3-RCA type connector f or YPbPr component video.

One mini DIN for S-video connector. One composite RCA type connector.

- Control: 1 RS-232 (use standard Mini Dim 3 pins configuration) (with talk back ability and 9600

baud rate, talk back ability must include lamp hours) (on/off and all inputs should have discreet IR and RS-232 commands) One Audio input f or every input- (Phone Jack, Stereo)

Outputs One 15pin D-Sub Output

One audio out

Audio T wo watt built in two speakers respectively

Lock One Kensington key lock hole

Tilt angle 7 degrees with elevator mechanism

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1-3

EP758/EP759

IR receivers Front a nd Top of projector

Power Switch No toggle power switch required or wanted

Power supply Universal AC 100-240V 50/60 Hz with PFC input

Used OSRAM P-VIP 300/1.3 E21.8 300W Lamp (EP759) Used Phillip E21.8 250W Lamp (EP758)

Power consumption Standby mode - < 10 W att @ 1 10V AC

Operational noise 36 dB(A) 300W(EP759) Normal mode

33 dB(A) 250 W(EP758) Normal mode

Input signal spec. Hsync Frequency 15 ~ 100 kHz

Vsync Frequency 43 ~ 120 Hz Video Signal R GB (PC)

-Analog RGB 0.7Vp-p, 75 ohm, Separate TTL H,V Sync.

-Analog RGB 1Vp-p, 75 ohm, Sync. On Green signal

-Analog RGB 0.7Vp-p, 75 ohm, Composite TTL Sync.

V ideo

-Composite video 1Vp-p,75 ohm

-S-video Luminance 0.714Vp-p,75 ohm

-Chrominance 0.286Vp-p,75 ohm

Computer Compatibility (Analog/Digital)

System Controller PIXEL WORKS PW463

Video Compati bility Standards

-NTSC - M (3.58 MHz), 4.43 MHz

-PAL - B, D, G, H, I, M, N

-SECAM - B, D, G, K, K1, L

-HDTV - 480i/576i ; 480p/576p ; 720p ; 1080i

Horizontal scan rate 15 – 100 kHz

Vertical scan rate 43 – 120 Hz

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1-4

EP758/EP759

1-4Mechanical Specification

Weight

Approximate 8lbs

Unit dimension (W X D X H)

inner dimension 335*250*100 (mm)

Cooling System

Advanced air flow

Three(EP758) / Four(EP759) fans with low system acoustic noise level

T emperature control circuits with ada ptive voltage control fan speed

Tilt Angle

7 degrees with elevator mechanism

Keystone correction

± 16° V ertical a nd Horizontal

Lamp Door Protection

Lamp power supply shut off automatically when door open

1-5 Environment

Temperature Operating: 5 — 35°C

Storage: -20 — 60°C

Maximum Humidity Operating: 5 — 35°C, 80% non-condensing

Storage: -20 — 60°C, 80% non-condensing

Follow ISO-7779 regulation sound pressure level A weighting mea surement

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EP758 /EP759Acoustic noise level

33dB(A) / 36dB(A) ( T ypical, 23 ± 2°C) with wind tunnel design 33dB(A) 250W / 36 dB(A) 300W lamp mode. 30dB(A) 200W / 33 dB(A) 240 W dimmable mode.

1-5

EP758/EP759

Lamp life 1500 hours typical, 50% survival rate

Altitude Operating 0~2,500 ft 5°C~35°C

2,500~5,000 ft 5°C~30°C 5,000~10,000 ft 5°C~25°C

Storage 40,000 ft (Max)

MTBF 12000 HRs

1-6 Compatible Modes

Analog

Compatibility Resolution V-Sync [Hz] H-Sync [KHz]

VGA 640x350 70 31.5

640x350 85 37.9 640x400 85 37.9 640x480 60 31.5 640x480 72 37.9 640x480 75 37.5 640x480 85 43.3 720x400 70 31.5 720x400 85 37.9

SVGA 800x600 56 35.2

800x600 60 37.9 800x600 72 48.1 800x600 75 46.9 800x600 85 53.7

XGA 1024x768 43.4 35.5

1024x768 60 48.4 1024x768 70 56.5 1024x768 75 60.0 1024x768 85 68.7

SXGA 1152x864 70 63.8

1152x864 75 67.5 1152x864 85 77.1 1280x1024 60 63.98 1280x1024 75 79.98 1280x1024 85 91.1

SXGA+ 1400x1050 60 63.98

UXGA 1600x1200 60 75

MAC LC 13” 640x480 66.66 34.98

MAC II 13” 640x480 66.68 35

MAC 16” 832x624 74.55 49.725 MAC 19” 1024x768 75 60.24

MAC 1152x870 75.06 68.68 MAC G4 640x480 60 31.35 MAC G4 640x480 120 68.03 MAC G4 1024x768 120 97.09

i Mac DV 640x480 117 60 i Mac DV 800x600 95 60

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1-6

EP758/EP759

i Mac DV

800x600

95 60

i Mac DV 1024x768 75 60 i Mac DV 1152x870 75 68.49 i Mac DV 1280x960 75 75 i Mac DV 1280x1024 85 91.1

Digital

Compatibility Resolution V-Sync [Hz] H-Sync [KHz]

VGA 640x350 70 31.5

640x350 85 37.9 640x400 85 37.9 640x480 60 31.5 640x480 72 37.9 640x480 75 37.5 640x480 85 43.3 720x400 70 31.5 720x400 85 37.9

SVGA 800x600 56 35.2

800x600 60 37.9 800x600 72 48.1 800x600 75 46.9 800x600 85 53.7

XGA 1024x768 60 48.4

1024x768 70 56.5 1024x768 75 60.0 1024x768 85 68.7

SXGA 1152x864 70 63.8

1152x864 75 67.5 1152x864 85 77.1 1280x1024 60 63.98 1280x1024 75 79.98 1280x1024 85 91.1

SXGA+ 1400x1050 60 63.98

UXGA 1600x1200 60 75

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1-7

EP758/EP759

Chapter 2

Disasse mbly Procedure

The Front Side The Rear Side

2-1 Disassemble Lamp Module and Elevator Foot

Step1: Turn unit to bottom side. Remove Lamp Cover a nd unscrew three screws to pull out La mp Module.

Lamp Cover

Lamp Module

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EP758/EP7592-1

2-2 Disassemble Top Cover, Front Cover, Keypad

Board and IR Sensor Module

Step1: Unscrew eight screws and then turn unit to the top side. Step2: Loose Front Cover from T op Cover a nd then disconnect the connector to remove Front Cover .

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EP758/EP7592-3

Step3: Tear off the tape from Front Cover to remove the IR Sensor Module.

Step4: Disconnect two connectors to remove T op Cover .

Front Cover

IR Sensor Module

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EP758/EP7592-4

Step5: Unscrew three screws and disconnect the wire to remove the Keypad Board, Keypad Button

and FFC.

FFC

LED Lens

Keypad Button

Keypad Board

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EP758/EP7592-5

2-3 Disassemble Main Board Module, Thermal Switch

and LVPS Module

Step1: Disconnector eleven connctors from Main Board Module. Step2: Unscrew six hex screws from Bottom Cover.

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EP758/EP7592-6

Step3: Disconnector two connectors to remove Main Board Module. Step4: Unscrew one screw to remove Thermal Switch.

Main Board Module

Thermal Switch

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EP758/EP7592-7

Step5: Pull up the LVPS Module a nd the disconnect the connector . Step6: Unscrew the screw to remove EMI Ground Plate and separate the wire.

LVPS

EMI Ground Plate

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EP758/EP7592-8

2-4 Disassemble Fan Guider Module, Wind Tunnel Module,

Lamp Driver Module and Axial Fan 90x25 Module

Step1: Unscrew three screws to separate Fa n Guider Module a nd W ind T unnel Module from Bottom Housing. Step2: Unscrew two screws from W ind T unnel Module to remove Fa n Guider Module.

Fan Guider Module

Wind Tunnel Module

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EP758/EP7592-9

Step3: Unscrew six screws to remove Lamp Driver Module. Step4: Separate two connectors from Lamp Driver Module.

Lamp Driver Module

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EP758/EP7592-10

Step5: Unscrew two screws to remove Axi al Fa n 90x25 Module.

Axial Fan 90x25 Module

Step6: Unscrew four screws to separate Fan Hoder Bracket and 90x25 Axial Fa n.

90x25 Axial Fan

Fan Hoder Bracket

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EP758/EP7592-11

2-5 Disassemble Color Wheel Module, Optical Engine

Module, 45x45x9 Dish Fan and Blower Fan 60x25

Step1: Unscrew five screws to remove Color Wheel Module.

Color Wheel Module

Step2: Unscrew one screw to separate Color Wheel and Photo Sensor Module.

Photo Sensor Module

Color Wheel

Step3: Unscrew four screws to remove Engine Module from Bottom Housing.

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EP758/EP7592-12

For EP758

Step4: Tear off EMI ta pe to separate Wind Guider Cover Mylar from Engine Module.

Note* If the unit is EP759, please skip step 4 and step 5

Step5: Unscrew four screws to remove DMD Heatsink.

DMD Heatsink

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EP758/EP7592-13

For EP759

Step6: Unscrew four screws to remove DMD Heatsink Module. Step7: Unscrew four screws to remove DMD Heatsink Cover. Step8: Unscrew three screws to separate 45x45x9 Dish Fa n from DMD Heatsink AL.

45x45x9 Dish Fan

DMD Heatsink Module

DMD Heatsink Cover

DMD Heatsink AL

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EP758/EP7592-14

Step9: Unscrew four screws to remove Bracket Plate, Insulation Mylar, DMD Board and DMD Chip. Step10: Separate Blower Fan 60x25 Module and Optical Engine Module and then pull up Blower Fan

60x25 from the Silicon Rubber.

DMD Board

Bracket Plate

Optical Engine Module

DMD Chip

Insulation Mylar

Blower Fan 60x25

Silicon Rubber

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EP758/EP7592-15

2-6 Disa ssemble Speaker, Blower Fan 50x20, Thermal

Sensor Board, Interrupt Switch Module, Bottom Cover and Rear Cover

Step1: Loose Rear Cover from Bottom Cover.

Step2: Unscrew four screws to remove Speaker.

Speaker

Speaker Poron

Rear Cover

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EP758/EP7592-16

Step3: Unscrew six screws to remove Blower Fan 50x20, Elevator Shading Mylar and Thermal Sensor Board. Step4: Unscrew two screws to remove Interrupt Switch Module.

Blower Fan 50x20

Thermal Sensor Board

Elevator Shading Mylar

Bottom Cover

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Interrupt Switch Module

EP758/EP7592-17

Chapter 3

Trouble shooting

3-1 Equipment Needed

- EP758/EP759 Projector

- VESA VGA Cable/VESA DVI Cable

- PC (Personal Computer) with analog and digital signal output.

- D VD Player for V ideo Signal a nd Audio Signal.

- EP758/EP759 Remote Controller

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3-1

EP758/EP759

+ 63 hidden pages