Optoma EP732B User manual

Model Name : EP732B

SERVICE MANUAL

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Prepared by SI :

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Prepared by TSE :

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Check by :

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Document #80V-G04-01A . P/N: 36.80V01.001

ThismanualisappliedtoEP732B0.55”DMDSVGA Projector with digital imaging functionality basedon

DigitalMicro-mirrorDevice(DMD)technology. It’s themode ofsingle Panel,200watt lamp and800(H)

x 480(V) resolution. Themanualgivesyouabriefdescriptionofbasictechnicalinformationtohelpin

serviceandmaintainingtheproduct.

Yourcustomerswillappreciatethequickresponsetimewhenyouimmediatelyidentifyproblemsthatoccur

withour products. We expect your customerswill appreciatetheservice that you offerthem.

This manual is for technicians and people who have an electronic background. Send the product back to

thedistributor forrepairingand do not attemptto do anything that is complexor isnot mentionedin the

troubleshooting.

NOTICE:

Theinformationfoundinthismanualissubjecttochangewithoutpriornotice.Anysubsequentchanges

made tothe data hereinwillbeincorporated infurtheredition.

AllRightsReserved

ManualVersion1.0

Document # 80V-G04-01A

Preface

EP732BI

EP732BII

Table of Contents

Chapter 1 Introduction 1-1

Product Highlights 1-1

Machanical Specifications 1-2

Electrical Specifications 1-2

Optical Specifications 1-3

Environmental Specifications 1-4

Chapter 2 Disassembly Procedure 2-1

RemovingTop Cover and I/O Panel 2-1

Removing Lamp Cover and Lamp Module 2-2

Removing Main Board 2-3

Removing LampDriver 2-4

Removing Blower Fan and Front Fan 2-5

Removing LVPS Module 2-6

Removing Engine Module 2-7

Disassembly Engine Module (Part I) 2-9

Disassembly Engine Module (Part II) 2-10

Chapter 3 Troubleshooting 3-1

EquipmentNeeded 3-1

Main Procedure 3-1

Chapter 4 Function Test and Alignment Procedure 4-1

EquipmentNeed 4-1

Test Condition 4-1

TestDisplay Modes & Pattern 4-2

Inspection Procedure 4-5

Chapter 5 Firmware Upgrade Procedure 5-1

EquipmentNeeded 5-1

Setup Procedure 5-1

InstallationProcedure 5-2

Firmware Upgrade Procedure 5-8

Chapter 6 DDC Key-in Procedure 6-1

EquipmentNeeded 6-1

Setup Procedure 6-2

DDC Key-in Procedure 6-3

Appendix A Serial Number System Definition 7-1

Reader’s Response 7-2

EP732B1-1

Chapter 1

Introduction

1-1 Product Highlights

- One panel 0.55"DMDSVGAprojection system with 1150ANSI lumens (Typical), 1030

ANSIlumens(Minimum)(Philips/Phoenix200WLamp)

- Highefficiencycoolingsystemwithlowsystemacousticnoiselevel

- Lightweight5.0lbs.

- True 800 * 600 resolution, 16.7M True colors

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

- Build-infull screenNTSC/ PAL/ SECAMvideo capabilitywith S-video/ Composite/

ComponentandHDTVterminals

- SXGA/ XGA/SVGA/VGA/ MACcompatibility withoneD-subinput terminal

- Autoimage re-sizingto 800* 600full screen

- Manualfocus1:1.2zoomlens

- Autodetectionofcomputersignalinput

- AutoImagesynchronization(Auto-tracking/frequency/positionadjustment)

- Powerfulenlargeandfreezefunction

- Automaticallysavesadjustmentsforfutureuse

- On-screenmenuwith 10languages

- Built-inone 2W speaker

- IRremotecontrolwithout USB mouse functionand laserpointer

- Adaptivevoltagecontrolfanspeed

- Autosourceoption forstable displayfromfixed source (whendisabled)

- Monitorloopthrough

- ECO mode supports

EP732B1-2

1-2 Mechanical Specifications

Dimensions(LxWxH) - External 10.7*8.3*3.4 +/-0.04 inches (272*210*86 +/-1mm)

Weight - Approximate5.0 lbs.

CoolingSystem - Advancedairflow

- Fourfanswithlowsystemacousticnoiselevel

- Temperaturecontrolcircuitswithadaptivevoltagecontrol

fan speed

- MaxtouchtemperaturefollowsUL60950regulation

TiltAngle - 7degreewithelevatormechanism

Keystonecorrection - +/- 16 degrees (32 degrees)

Color - Silver Top and Silver Bottom / Front

LampDoorProtection - Lamppowersupplyshutoffautomaticallywhendooropen

1-3 Electrical Specifications

PowerSupply

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

- 200WLamp

- Variance FANspeed control (Depend on temperature variant)

Terminals

- Computer Input (D-Sub FemaleTerminal *1) to take s SCART RGB signal, via an

adapter.

- Composite Video Input (RCAjack *1)

- S-Video Input (MiniDIN 4-pin *1) to take a SCART RGB signal, via an adaptor.

- 15 pin Monitor Output (D-Sub 15-pin Female terminal * 1)

- USB Remote mouse output (USB, type B connector * 1)

- Audiolineinput(3.5mmMiniJackstereo)

EP732B1-3

InputSignalSpec

- Hsync Frequency 31.5-70 kHz

- Vsync Frequency 43-85 Hz

- Video SignalRGB(PC)

Analog RGB 0.7 Vp-p, 75 ohm

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

Separate TTL H, V Sync.

CompositeTTLSync.

- Video

Composite video 1 Vp-p, 75 ohm

S-Video Luminance 0.714 Vp-p, 75 ohm

Chrominance 0.286 Vp-p, 75 ohm

VideoCompatibility

- Standards :

NTSC M(3.58 MHz), 4.43 MHz

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

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

Component/HDTV 480i; 480P; 576P; 720P; 1080i

1-4 Optical Specifications

ProjectionLens - F/2.4~2.7, f=19.7~23.6mm. 1.2 x Manual Zoom Lens.

- ThrowRatio=1.75~2.12

ProjectionImageSize - Adjustable from 32.5”to337.5”(Diagonal)

ThrowDistance - 1.4m~12m

Brightness(200W) - 1150ANSILumens(Typical)

- 1030ANSILumens(Minimum)

Contrast - 1600: 1Typical(Full on/ Fulloff)

- 1000: 1Minimum(Fullon/Fulloff)

Uniformity - 65%Minimum(JapanStandard)

EP732B1-4

1-5 Environmental Specifications

Temperature:

- Operating : 5° to 35°C

- Storage : -20° to 60°C

MaximumHumidity

- Operating : 5° to 35°C, 80%RH (max), non-condensing

- Storage : -20° to 60°C, 80%RH (max), non-condensing

AcousticNoiseLevel:

- 200W : 37 dB(A) (Typical, Under 23 +/- 2oC)

- 160W : 34 dB(A) (Typical, Under 23 +/- 2oC)

LampLife:

- 2,000hours marketing spec

- 1,500hoursto 50%survivaltypical full onmode

Altitude:

- Operating : 0 ~ 2,500 ft 5~35° C

2,500 ~ 5,000 ft 5~30° C

5,000 ~ 10,000 ft 5~25° C

- Storage : 40,000 ft

MTBF : Operating more than 10,000 hours (80% Confidence Level)

EP732B2-1

Chapter 2

Disassembly Procedure

2-1 Removing Top Cover and I/O Panel

1. Unscrew 4 screws from left and right side of Top Cover.

2. Unplug one FPC cable and removeTop Cover.

3. Unscrew 4 hex screws to remove I/O Panel.

I/OPanel

1 1

2 3

EP732B2-2

1. Unscrew one screw to remove Lamp Cover.

2. Loosen 3 screws to remove Lamp Module.

2-2 Removing Lamp Cover and Lamp Module

EP732B2-3

1. Unplugall wires(bluecircle show)and unscrew5screws(red circleshow)to removeMain

Board.

Note : The green connector is connect to the

BlowerFan

2-3 Removing Main Board

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