Optoma EP770 Manuale di istruzioni

Prepared by SI :

________________________________________

Prepared by TSE :

________________________________________

Checked by :

________________________________________

Approved by :

________________________________________

Model Name : EP770

Date Version Description

2006/12/28 V1.0 Initial Issue

P/N#36.86S03G001

SERVICE MANUAL

Preface

This manual is applied to EP770 0.7” 0.7" XGA / 12º DDR DMD projection 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.

EP770 Service Manual

Manual Version 1.0

P/N#36.86S03G001

EP770

Condential

Table of Contents

Chapter 1 Introduction 1-1

Product Highlight 1-1

Computer CVompatible 1-4

Chapter 2 Disassembly Procedure 2-1

Equipment Needed 2-1

Remove Lamp Module 2-2

Remove Front Cover / Back Cover / Top Cover 2-3

Remove IR Receiver / Keypad BD / Main Button 2-5

Remove Main Board 2-6

Remove Elevator and Shielding Cover 2-7

Remove Lamp Driver and Fan Module 2-8

Remove LVPS 2-9

Remove Engine Module 2-10

Remove Bottom Cover 2-12

Chapter 3 Troubleshooting 3-1

Equipment Needed 3-1

LED Lighting Messsage 3-1

LED Procedure 3-2

Chapter 4 Function Test and Alignment Procedure 4-1

Test Equipment Needed 4-1

Service Mode 4-1

Reset(OSD) 4-2

Test Condition 4-2

Inspection Procedure 4-3

Chapter 5 Firmware Upgrade Procedure 5-1

Equipment Needed 5-1

Firmware Upgrade Mode 5-1

Installation Procedure 5-2

Firmware Upgrade Procedure 5-6

EP770

Condential

EP770

III

Chapter 6 EDID Upgrade Procedure 6-1

EDID Introduction 6-1

Equipment Needed 6-1

Setup Procedure 6-2

EDID Key-In Procedure 6-2

Appendix Appendix A 7-1

Exploded Overview 7-1

Appendix B 7-21

I . Serial Number System Denition 7-21

II. PCBA Code Denition 7-22

Reader’s Response 7-23

Condential

EP770Condential 1-1

Chapter 1

Introduction

1-1 Highlight

No Item Description

1Weight Appro x 6 lbs.

2Dimension (W x H x D) 265mm x 236mm x 104mm

3 Cooling system Advanced air ow

Three fans with low system acoustic noise level

Temperature control circuits with adaptive voltage con-

trol fan speed

Maximum touch temperature follows UL 60950-1 regula-

tion

4 Connect I/O port - DVI-I x 1

- VGA D-sub 15 pin x 2(VGA-in, VGA-out)

- RCA (yellow) x 1

- S-Video Mini DIN 4pin x 1

- USB Type B x 1

- RS232 Mini DIN 3 pin x 1

- Audio-in stereo mini jack x 1

- Kensington slot x 1

- Inlet vent x 1

5 Lamp housing - Removable lamp module with replaceable lamp. Lamp

should be provided by Coretronic or its authorized

agencies, and changed by following the instruction on

user’s manual.

6 Tilt angle: - 6 degree with elevator mechanism

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

open

8Power supply - 100-240VAC, 3A, 50/60Hz with PFC(Power Factor

Correction)

9 Power Consumption - Operating: 275W+/-10%@typ.110VAC

- Standby: <13W, 110VAC

10 Input signal spec. - Computer signal:

- H sync frequency: 31.35~80 kHz

- V sync frequency: 56 ~ 85 Hz

- Sync type: separate, composite, SOG(sync on green)

- RGB level:

0.7Vp-p, 75 ohm(separate sync/composite sync/R,B

in SOG)

EP770

Condential 1-2

No Name Description

10 Input signal spec. 1Vp-p, 75 ohm (G in SOG)

- Video signal:

- Composite video 1Vp-p, 75 ohm

S-Video :

Luminance 75 ohm

Chrominance 75 ohm

11 System Controller - TI DDP2000

12 Video compatibility - NTSC-M/NTSC-4.43/PAL-M/PAL-B, D, G, H, I/PAL-N/

SECAM

- Component: SDTV(480i/576i), EDTV(480p, 576p),

HDTV(720p, 1080i)

13 Compression - Compress SXGA image into XGA by DDP2000

14 keypad Left/Right/Up/Down/Menu/Enter/Power

15 Keystone correction - Vertical +/- 16 degree

16 Brightness - 2500 (Typ.), 2150 (Min.) ANSI Lumens @ full on mode

- 1800 (Typ.), 1550 (Min) ANSI Lumens @ ECO mode

17 Contrast - Full on/off : 1500:1 (Typ.), 1000:1 (Min.)

18 Uniformity - JBMA : 75 % (Typ.) 60% (Min.)

- ANSI : max.|+/-50%|

19 Projection lens - 1.2x manual zoom

- F-number : 2.4 – 2.65 @2.36m

- Focal length : 28.04 ~ 35.59 mm @2.36m

20 Throw ratio - 2.0 ~ 2.41:1(distance/width)

21 LED indicator - Power/Lamp/Temperature

22 Lamp life - 1800 hours with 50% survival rate, 50% maintenance

to initial lumens at full power mode

23 Lamp type - Pilips E19.5 220W UHP, normal mode: 220W, Eco

mode: 172W (by GPIO)

24 Optional accessories - Mini DIN 4pin, S-Video cable, 1.8 m

- RCA (yellow), Composite cable, 1.8 m

- Remote controller,

- Battery for remote controller x 2

- Soft carrying bag

25 Full Printed manual - EMEA & USA : English, French, German, Spanish and

Portuguese

- ASIA : English, Traditional Chinese, Japanese, Korean

and Simplied Chinese,

EP770Condential 1-3

NO Name Description

26 QSC - With 17 languages : English, German, French, Dutch,

Greek, Swedish, Italian, Spanish, Portuguese,

Polish, Norwegian,(No/DK), Russian, Finnish,

Traditonal Chinese, Simplied Chinese, Japanese,

Korean

27 Color Wheel - R90Y30G80W86B74

28 Acoustic Noise Level - Full power: Max: 38dB(A) ,typical :36 dB(A) at 23+/-2

29 Quick shut down - 30 seconds

30 Input Terminals - DVI-I : Digial YPbPr w/ HDCP

- D-sub 15pin x 1 : Analog RGB, Component video,

SCART-RGB

- RCA(yellow) x 1 : Composite Video, SCART-RGB

- Mini DIN 4pin x 1 : S-Video

- Stereo Mini Jack : Audio input

EP770

Condential 1-4

1-2 Computer Compatible

Compatibility Resolution V-Sync (Hz)

VGA 640 x 350 70

640 x 350 85

640 x 400 85

640 x 480 60

640 x 480 72

640 x 480 75

640 x 480 85

720 x 400 70

720 x 400 85

SVGA 800 x 600 56

800 x 600 60

800 x 600 72

800 x 600 75

800 x 600 85

XGA 1024 x 768 60

1024 x 768 70

1024 x 768 75

1024 x 768 85

SXGA 1152 x 864 60

1152 x 864 75

1152 x 864 85

1280 x 960 60

1280 x 960 75

1280 x 1024 60

EP770Condential 1-5

Compatibility Resolution V-Sync (Hz)

1280 x 1024 75

MAC 16” 832x624 74.55

MAC 19” 1024x768 75

MAC 1152x870 75.06

MAC G4 640x480 60

i Mac DV 1024x768 75

i Mac DV 1152x870 75

i Mac DV 1280x960 75

EP770

Condential 2-1

Disassembly Process

This section provides disassembly procedure for EP770 Mid-level Micro Portable Business

Projector. Before you begin any of these procedures, be sure to turn off the power, computer

system, and other attached devices; then disconnect the power cable from the electrical

outlet. Moreover, when you disassemble the projector, be sure to put the screws in a safe

place and separate them according to their category.

Equipment Needed

Chapter 2

General Information

Before You Begin

Before proceeding with the disassembly procedure, make sure that you do the following

procedures:

1. Turn off the power of the system and all the peripherals.

2. Unplug the AC adapter and all power and signal cables from the system.

3. Anti-static wrist strap.

Item Photo Item Photo

Philips (+) : 107 Philips (+) : 102

Screw Bit Hex Screw :

5mm

Tweezers Screw Bit

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