Optoma EP739 Manuale utente

ModelName:EP739/EP739H/EP738

Series

SERVICEMANUAL

Date Revise Version Description

2004/10/5 V1.0 Initial Issue

2005/7/11 V2.0

Add EP739H Product；Change in I

II:Notice

1-2

7-1:Notice

7-22:Notice

CopyrightOctober,2004 .AllRightsReserved

Document#80J-G04-02A.P/N:36.80J02.002

Prepared bySI:

________________________________________

Prepared byTSE :

________________________________________

Checked by:

________________________________________

Approved by:

________________________________________

Preface

Thismanualisapplied to EP739/EP739H0.7”DMDXGAand EP738 series0.5”DMDSVGAdigital

projection system. Themanualgivesyou abriefdescription ofbasictechnicalinformation to help in service

and maintaining theproduct.

Yourcustomerswill appreciatethequick responsetimewhen you immediately identify problemsthatoccur

with ourproducts. We expectyourcustomerswill appreciatetheservice thatyou offerthem.

Thismanualisfortechniciansand peoplewho havean electronicbackground. Send theproductback to

thedistributorforrepairing and do notattemptto do anything thatiscomplex orisnotmentioned in the

troubleshooting.

NOTICE:

Theinformation found in thismanualissubjectto changewithoutpriornotice. Any subsequentchanges

madeto thedataherein will beincorporated in furtheredition.

All RightsReserved

ManualVersion 1.0

Document# 80B-G04-02A

TableofContents

Notice:1.Therearethree differencepartsbetweenEP739 and EP739H.

AstableI.

2.InordertodifferentiateappearancesdifferencebetweenEP739 and EP739H,

wegetapicturetodescriptionEP739H.

If wesee the markinthe speclabelastableII, thatmeanssuchkind of

productareEP739H.

Chapter1Introduction 1-1

ProductHighlight1-1

OpticalSpecifications1-2

ElectricalSpecifications1-4

MechanicalSpecifications1-5

Environment1-6

CompatibleModes1-7

TableII

Chapter2DisassemblyofProcedure 2-1

RemoveLampModuleand Back Cover2-1

RemoveTop Cover,Keypad Board,MainBoardand FrontCover2-2

RemoveLampDriver,70*20 AxialFanModuleand LVPS 2-5

Remove50*20 BlowerFan,ColorWheeland ThermalSwitch 2-7

RemoveDMDBoard,MDMChipand OpticalEngine Module 2-8

RemoveInterruptSwitchModule,ThermalSensorBoard,2-9

Speaker,ElevatorModuleand BottomCover

Chapter3Troubleshooting 3-1

EquipmentNeeded 3-1

MainProcedure 3-2

Chapter4Function Testand AlignmentProcedure 4-1

Product4-1

TestEquipment4-1

TestCondition 4-1

TestDisplayModesand Pattern 4-2

InspectionProcedure 4-7

Chapter5FirmwareUpgradeProcedure 5-1

EquipmentNeeded 5-1

HardwareSetup Procedure 5-1

FirmwareProgarm InstallationProcedure 5-2

FirmwareUpgrade Procedure 5-8

Chapter6DDC Key-inProcedure 6-1

EquipmentNeeded 6-1

Setup Procedure 6-2

DDC Key-inProcedure 6-3

AppendixA7-1

ExplodedDiagram7-1

AppendixB7-16

SerialNumberSystemDefinition 7-22

Reader’s Response 7-23

1-1 EP739/EP739H/EP738

Series

Chapter 1

Introduction

1-1 Product Highlights

This manual is applied to DMD Color Projector with digital imaging functionality based on

Digital MicromirrorDevice (DMD) technology. It’s the mode of single panel, 200 watt long life

lamp.

The manual gives you a brief description of basic technical information to help in service and

main taining 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.

Thismanualisfortechniciansandpeoplewhohaveanelectronicbackground.Sendtheproduct

back to the distributor for repairing and do not attempt to do anything that is complex or is not

mentioned in the troubleshooting.

- One panel 0.7"DMDXGAprojection system with 2000ANSI lumens

: for EP739

One panel 0.5"DMDSVGAprojection system with 1600ANSI lumens

: for EP738 series

- Pheonix 200WDC SHP Lamp (user replaceable) dimmable to 160W

: for both EP739/EP738P

Ushio 200WDC SHPLamp (userreplaceable) dimmable to160W: for EP738

- High efficiency cooling system with low system acoustic noise level

- Light weightApprox. 5.3 lbs.

- Manual focus projection 1:1.2 zoom lens

- True 1024 x 768 resolution, 16.7M True colors

- With up, down, left, and right screen reverse.

- Build-in full screenNTSC/PAL/SECAM video capability with S-video /

Composite / component and HDTV terminals

- SXGA/XGA/SVGA/VGA/MAC compatibility.

- Auto image re-sizing to 1024 x 768 full screen

Auto image re-sizing to 800 x 600 full screen: for EP738 series only

- Auto detection of computer signal input

1-2 EP739/EP739H/EP738

Series

1-2 Optical Specification

Technology - Single 0.7” XGA DDR DMDchip

- Single 0.5” SVGA DDRDMD chip: for EP738 series

R esolution - 1024 x 768

- 800 x 600: for EP738 series

Brightness EP739

- 2000ANSI Lumens (Max.)

- 1600ANSI Lumens (Average)

- 1300ANSI Lumens ( Minimum)

EP739H

- 2500ANSI Lumens (Max.)

- 1760ANSI Lumens (Average)

- 1496ANSI Lumens ( Minimum)

EP738 series

- 1600ANSI Lumens (Max.)

- 1300ANSI Lumens (Average)

- 1040ANSI Lumens (Minimum)

Contrast ratio - 2000:1 Max. (Full on / full off)

- 1500:1 Typical (Full on / full off): for both EP739/EP738P

- 1300:1 Typical (Full on / full off): for EP738

- 1000:1 Minimum (Full on / full off)

Uniformity - 85% Max. (Japan Standard)

- 75% Typical (Japan Standard)

- 60% Minimum (Japan Standard)

- Automatically save adjustments for future use

- On-screen menu with 11 languages

- Built-in one speaker with 2 Watt amplifier

- Self protect timer for hot re-strike of compact P-VIPlamp

- Adaptive voltage control fan speed

1-3 EP739/EP739H/EP738

Series

Lamp type - Pheonix 200WDC SHP Lamp (user replaceable) dimmable

to 160W: for both EP739/EP738P

- Ushio 200SHPNHS Lamp (user replaceable) dimmable to

160W: for EP738

L a mp life - 2000 hours

- 1500 hours typical, 50% survival rate

Projection lens - F# 2.4 – 2.65 @2.4m, f = 28.04 ~ 35.59 mm @2.4m.

: for both EP739/EP738

F# 2.6 – 2.81 @2.4m, f = 22.34 ~ 26.8 mm @2.4m.

: for EP738P

1.2X Manual Zoom Lens.

Projection screen size -Adjustable from 24.6” to 246” (Diagonal)

: for both EP739/EP738

Adjustable from 36.9” to 246” (Diagonal): for EP738P

Projection distance - Suggeted throw distance: 1.2~10m (Mechanical travel)

: for both EP739/EP738

Suggeted throw distance: 1.5~10m (Mechanical travel)

: for EP738P

1-4 EP739/EP739H/EP738

Series

Display Panel - TIDMD, 0.7” 12 degreeDDR XGADigital MirrorDevice

TI DMD, 0.55” 12 degreeDDR XGADigital MirrorDevice

: for EP738 series

Power Supply - UniversalAC 100—240V 50 / 60 Hz with PFC input

- 200W for Phoenix SHP Lamp @ normal operation

:for both EP739/EP738P

200W for Ushio SHP Lamp @ normal operation:for EP738

- Variance FANspeed control (Depend on temperature variance)

Power Consumption - 265 Watt +/- 10% at normal operation

- Standby mode < 15W

Terminal- One 29-pinDVI-I connector forDigital signal with HDCP

: for EP739 only

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

/ compoment video / SCART/RGB Sync

- OneD-Sub 15-pin female connector for monitor output

- One Phone Jack for audio input

- One MiniDIN4-pin for S-Video Input

- One RCAJack for Composite Video Input

- One MiniDIN3-pin for RS232

- USB connector for page up/down

Input Signal Spec - PC Signal

- Hsync Frequency 31 ~ 100 kHz

- Vsync Frequency 56 ~ 85 Hz

- Video Signal RGB (PC)

-Analog RGB 0.7Vp-p, 75 ohm

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

- Separate TTL H,V Sync.

- Composite TTL Sync.

- Video

- Composite video 1Vp-p,75 ohm

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

- Chrominance 0.286Vp-p,75 ohm

1-3 Electrical specification

1-5 EP739/EP739H/EP738

Series

Video Compatibility - Standards :

-NTSC: M (3.58MHz), 4.43 MHz

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

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

- HDTV: 480i/p, 576i/p, 720p, 1080i

1-4 M e chanical Spe cif ication

Dimension(WxHxD) - 265mm X 236.4mm ( include focus ring and I/O connector ) X

104.6mm ( include feet and stick handle )

W e ight -Approx. 5.3 lbs.

Cooling System -Advanced air flow

- Two fans with low system acoustic noise level

- Temperature control circuits with adaptive voltage control fan

speed

- Maximum touch temperature follows UL60950

TiltAngle - 7 degree with elevator mechanism

Keystone correction -± 16° degree

Lamp Door Protection -Lamp power supply shut off automatically when door open.

1-6 EP739/EP739H/EP738

Series

Temperature - Operating: 5 - 35°C

- Storage: -20 ~ - 60°C

Maximum Humidity - Operating: 5 ~ 35°C, 80% RH (Max.), non-condensing

- Storage: -20 ~ - 60°C, 80%RH (Max.),non-condensing

Acoustic noise level -Normal mode: 34 dB(A) (Typical, 23+/-2°C )

- Dim mode: 30 dB(A) (Typical, 23+/-2°C )

-Noise measurement follows ISO 7779,A-weighted sound pressure

level measurement,

- 7200 rpm color wheel rotational speed

L a mp life - 2000 hours

- 1500 hours typical, 50% survival rate

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

2,500~5,000 ft, for 5°C~30°C

5,000~10,000 ft, for 5°C~25°C

- Storage 40,000 ft

MTBF - Operating more than 12,000 hours ( 90% Confidence Level )

1-5 Environment

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