Optoma Optoma EP747 Manuale utente

Prepared bySI:

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Prepared byTSE :

________________________________________

Checked by:

________________________________________

Approved by:

________________________________________

ModelName:EP747

SERVICEMANUAL

Date Revise Version Description

2005/12/13 V1.0 Initial Issue

CopyrightDecember,2005 .All RightsReserved

EP747

Preface

ThismanualisappliedtoEP7470.7”DMDXGAdigitalprojectionsystem.It’sthemodeofsinglePanel,

180WattCompactP-VIPLampand1024(H)x 768(V)resolution. Themanualgivesyou abriefdescrip-

tionofbasictechnicalinformationtohelpinserviceandmaintainingtheproduct.

Yourcustomerswillappreciatethequickresponsetimewhenyouimmediatelyidentifyproblemsthatoccur

withourproducts. Weexpectyourcustomerswillappreciatetheservicethatyouofferthem.

Thismanualisfortechniciansandpeoplewhohaveanelectronicbackground. Sendtheproductbackto

thedistributorforrepairinganddonotattempttodoanythingthatiscomplexorisnotmentionedinthe

troubleshooting.

NOTICE:

Theinformationfoundinthismanualissubjecttochangewithoutpriornotice.Anysubsequentchanges

madetothedatahereinwillbeincorporatedinfurtheredition.

AllRightsReserved

ManualVersion1.0

TableofContents

Chapter1Introduction 1-1

Highlight1-1

MechanicalSpecification 1-2

OpticalSpecification 1-2

Environment1-3

CompatibleMode 1-5

Chapter2DisassemblyofProcedure 2-1

EquipmentNeeded 2-1

DisassembleLamp,Top Cover,Keypad Boardand IRReceiver2-2

DisassembleI/O Cover,MainBoard,LampDriver,LVPS and

AxialFan Module 2-6

DisassembleEngine Module,DMDChip,DMDBoard,ColorWheel

and PhotoSensorBoard 2-11

DisassembleFocusRing,DMDFan,Speaker,BlowerFan and

ElevatorModule 2-14

Chapter3Troubleshooting 3-1

EquipmentNeeded 3-1

MainProcedure 3-1

Chapter4Function Testand AlignmentProcedure 4-1

TestEquipmentNeeded 4-1

ServiceMode 4-1

TestCondition 4-2

InspectionProcedure 4-2

Chapter5FirmwareUpgradeProcedure 5-1

EquipmentNeeded 5-1

InstallationProcedure 5-1

FirmwareUpgrade Procedure 5-6

EP747

Chapter6EDIDKey-inProcedure 6-1

EquipmentNeeded 6-1

Setup Procedure 6-2

DDC Key-inProcedure 6-2

AppendixA7-1

Exploded Overview7-1

AppendixB7-17

PCBA Code Definition 7-17

AppendixC7-18

SerialNumberSystemDefinition 7-18

Reader’s Response 7-19

EP747ii

1-1 EP747

No Item Description

1 Resolution

True 1024x768 resolution, 16.7M True colors

Maximum resolution SXGA+ 1400*1050

2 DMD Chip 0.7’’ XGA DDR DMD XGA

3 ID H72 Housing ID

4 Lamp Osram P-VIP 180-230Watt 1.0arc gap E20.5 Lamp (user re-

placeable)

5 Brightness 3000 lumens

6Contrast

Ratio 2000:1

7 Weight 7.1 lbs.

8 Lens Manual focus projection 1:1.2 zoom lens

9Electrical

Spec

Auto image signal detect using most recently used signal as

priority

NTSC/PAL/SECAM video capability with composite and S-

Video

HDTV video (480i/p, 576i/p, 720p, 1080i) with 480i/576i/1080i

deinterlacing

Photocatalysis (O2air) Technology

VGA with Audio 1 (could by ﬁxed)

1 audio outRS232/mini connector (not D-Sub9)

DVI-I (connector) (accept DVI-Dsignal) with HDCP

Chapter 1

Introduction

1-1 Highlight

1-2 EP747

No Item Description

8Electrical

Spec

Wireless remote with mouse and laser pointer

Dual VGA (d-sub 15) (support SCART/RGB/YPbPr)

9 Compatibility SXGA+/SXGA/XGA/SVGA/VGA/MAC

10 Speaker one 3 Watt speaker

11 Audio 4 audio in and 1 audio out

No Item Description

1 DMD Single 0.7” 12D DDR DMD XGA

2 Resolution Native 4:3, 1024*768 resolution

3 Brightness 2040 lumens (Minimum)

2550 lumens (Typical)

1-3 Optical Speciﬁcation

No Item Description

1 Weight Approximate 7 lbs

Projector

control key-

pad

Power/standby, Directional keys, enter, source, menu

3Power indi-

cator lights

“Lamp” Red:blinking red for fan locked

“Temp” Red

“Power” Green:blinking green (warming up)

orange (cooling up)

4Cooling Sys-

tem

- Advanced air ﬂow

- Fans with low system acoustic noise level

- Temperature control circuits with adaptive voltage control fan

speed

- High Altitude fan setting for user setting

5 Tilt Angle 7 degrees with elevator mechanism

1-2 Mechanical Speciﬁcation

1-3 EP747

No Item Description

4 Contrast 1200:1 (Minimum)

1500:1 (Typical)

5 Uniformity 65% (Minimum)

75% (Typical)

6Displayable

colors 16.7 million colors 256 shades of gray

7Color tem-

perature:

7500ºK (Low, Mid, High selectable)

adjustable to 6500ºK - 9500ºK

8Projectors

lens

1.2x zoom lens,

2.0 – 2.4 throw ratio

With ability to attach long throw and short throw lens

9 screen size Adjustable from 30.75” to 300”.(Diagonal)

10 Projection

distance 1.5 – 12.2meter

11 Keystone +/- 16% Vertical only (DDP2000)

No Item Description

1 Temperature - Operating: 5 -- 35°C

- Storage: -20 -- 60°C

2Maximum

Humidity

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

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

3Acoustic

noise level

- 37dB (A)( Typical, 23 ± 2ºC) with wind tunnel design

37 dB(A) 230W Normal mode.

32 dB(A) 180 W ECO-mode.

Follow ISO-7779 regulation sound pressure level A

weighting measurement

4 Lamp life -2000 hours typical, 50% survival rate (Full power Mode)

-4000 hours min, 50% survival rate (Eco Mode)

1-4 Environment

1-4 EP747

No Item Description

5 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)

6 MTBF 12000 HRs

1-5 EP747

1-5 Compatible Mode

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 60 48.4

1024x768 70 56.5

1024x768 75 60.0

1024x768 85 68.7

SXGA 1280x1024 60 63.98

1280x1024 75 79.98

SXGA+ 1400x1050 60 63.98

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 75 75

1-6 EP747

Digital

Mode 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 1280x1024 60 63.98

SXGA+ 1400x1050 60 63.98

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