Optoma EP780 Manuel utilisateur

Prepared by SI :

________________________________________

Prepared by TSE :

________________________________________

Checked by :

________________________________________

Approved by :

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Model Name : EP780

Date Version Description

2006/9/29 V1.0 Initial Issue

2006/12/6 V2.0 modify “Chapter 5 Fireware Upgrade”

P/N#36.85Y03G001

SERVICE MANUAL

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Preface

This manual is applied to EP780 professional video scaler and color management

system. The manual gives you a brief description of basic technical information to help in

service and maintain the product.

Your customers will appreciate the quick response time when you immediately

identify problems that occur with our products. We expect your customers will appreciate

the service that you offer them.

This manual is for technicians and people who have an electronic background.

Please 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.

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.

EP780Service Manual

Manual Version 1.0

P/N#36.85Y03G001

EP780

Condential

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Table of Contents

Chapter 1 Introduction 1-1

Product Highlight 1-1

Computer Compatibility 1-2

Chapter 2 Disassembly Procedure 2-1

Equipment Needed 2-1

Disassemble Lamp Module and Elevator Foot 2-2

Disassemble Top Cover, Front Cover, IR Sensor Module,

and Keypad Board 2-3

Disassemble Main Board Module, Thermal Switch, and

LVPS Module 2-4

Disassemble Fan Guider Module, Wind Tunnel Module,

Lamp Driver Module, and Axial Fan Module 2-5

Disassemble Color Wheel Module, Optical Engine Module,

and Blower Fan 2-6

Disassemble Speaker, Blower Fan, Thermal Sensor Board,

Interrupt Switch Module, Bottom Cover, and Rear Cover 2-7

Chapter 3 Troubleshooting 3-1

LED Lighting Message 3-1

Main Procedure 3-2

Chapter 4 Function Test and Alignment Procedure 4-1

Test Equipment Needed 4-1

Service Mode 4-2

Test Condition 4-3

Inspection Procedure 4-4

Chapter 5 Firmware Upgrade Procedure 5-1

Equipment Needed 5-1

Installation Procedure 5-2

Firmware Upgrade Procedure 5-3

EP780

Condential

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EP780

III

Chapter 6 EDID Upgrade Procedure 6-1

EDID Introduction 6-1

Setup Procedure (VGA-1 port) 6-2

EDID Key-in Procedure (VGA-1 Interface) 6-3

Setup Procedure (VGA-2 port) 6-4

EDID Key-in Procedure (VGA-2 Interface) 6-5

Setup Procedure (DVI port) 6-6

EDID Key-in Procedure (DVI Interface) 6-7

Chapter 7 Appendix A 7-1

Exploded Overview 7-1

Appendix B 7-2

  SerialNumberSystemDenition     7-2

Reader’s Response 7-3

Condential

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EP780

1-1

Condential

Chapter 1

Introduction

1-1 Product Highlight

No Item Description

1Weight Approx. 8 lbs

2Dimension (W x D x H) 335mm X 250mm X 100mm

3Cooling system Fans with low system acoustic noise level

Temperature control circuits with adaptive voltage

control fan speed

4Connect I/O port - DVI D (HDCP Compliant)

- D-sub 15 VGA 1 (PC RGB input) blue connector

- D-sub 15 VGA 2 (PC RGB input) also supports Y, Pb,

Pr and SCART/RGB (blue connector)

- S-Video (4 pin mini DIN)

- Composite Video (RCA)

- USB

- VGA out D-sub 15 pin output (loop out active VGA

input)

- 3 Audio in

- Audio out

- RS232 (3 pin mini DIN)

- RJ45

- IR sensors x 2

- Speakers 2W x 2

5Lamp housing - Lamp could be changed by customer, but should

follow the user manual insturction.

- Replacable Lamp should be provided by Coretronic or

its authouized agencies.

6Tilt angle: - 7 degree with elevator mechanism

7Lamp Door Protection - Lamp power supply shut off actomatically when door

open

8Power supply - Inpu 100-240V, 50/60Hz

9Power Consumption - Normal operation: 385W+/-10%@110V AC

- Standby mode: < 12W

10 Input signal spec. PC Signal

- Hsync Frequency 31 ~ 91.1kHz

- Vsync Frequency 43 ~ 85 Hz

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1-2 EP780

Condential

NO Name Description

10 Input signal spec. Video Signal RGB (PC)

- Analog RGB 0.7 Vp-p, 75 ohms, Separate TTL H&V

Sync

- Analog RGB 1.0 Vp-p, 75 ohms, Sync on Green

- Analog RGB 0.7 Vp-p, 75 ohms, Composite TTL Sync

Video

- Composite video 1Vp-p, 75 ohm

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

- Chrominance 0.286Vp-p, 75 ohm

11 System Controller - TI DDP3020

12 Video compatibility - NTSC : M(3.58MHz),4.43 MHz, 480i

- PAL : B, D, G, H, I, M, N; 60Hz

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

- HDTV : 480p, 576i/p, 720p 50 & 60 Hz,

1080i/p 50 & 60Hz

13 UXGA/SXGA Compres-

sion

- UXGA/SXGA images will be compressed into XGA

display by DDP3020

14 Projector control key-

pad

- Menu

- Up / keystone

- Down / keystone

- Left / source

- Right / re-sync

- Enter

- Power

15 Keystone correction +- 16% vertical and horizontal keystone compensation

16 Brightness - 3350 ANSI Lumens(Typical)

- 2850 ANSI Lumens (Minimum)

17 Contrast ratio - 2500 : 1 full on/full off (Typical)

- 1700 : 1 full on/full off (minimum)

18 Uniformity - 65% minimum

19 Projection lens - 1.2 x zoom lens, 2.0 to 2.4 throw ratio with thread to

attach long throw and short throw lens

20 Throw distance - 1.2~10m (Optical Performance)

- 1.0~12.2m (Mechanical travel)

21 Aspect ratio - 4:3 with support for 5:4, 16:9 and 2.35:1.

(Vertical po sition adjustment for all letterbox

- can’t support the 5:4 & 2.35:1 ratio)

22 LED indicator Power LED

- Red : Standby (Projector off)

- Green : Normal (Projector on)

- Flash Green : Warm up (Go to Normal mode)

- Flash Red : Cooling down (Go to Standby mode)

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EP780

1-3

Condential

No Item Description

22 LED indicator Temp. LED

- Red : Overheat

Lamp LED

- Red : Lamp bad or ignite lamp failed

- Flash Red : Fan locked

23 Lamp life - 2000 hours typical, 50% survival rate Full Power

- 3000 hours ECO mode

24 Lamp type - Osram 300W E21.8 G2 lamp

25 QSC - With 18 languages : English, German, French, Italian,

Spanish,Portuguese,Polish, Dutch, Russian, Finnish,

Swedish, Norweigian/Dannish, Traditional Chinese,

Simplied Chinese, Japanese, Korea, Greek

26 Quick shut down - 2 minutes

27 Input connectors - DVI-D

- D-Sub 15 VGAx2

- S-Video

- Composite

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1-4 EP780

Condential

1-2 Computer Compatibility

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 800*600 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

Analog

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EP780

1-5

Condential

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

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

i Mac DV 1024x768 75 60

i Mac DV 1152x870 75 68.49

i Mac DV 1280x960 60 60

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

800x600 72 48.1

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1-6 EP780

Condential

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

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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