Optoma H27 User manual

Model Name : H27

SERVICE MANUAL

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Document #80J-G04-01A . P/N: 36.80J02.001

Prepared by SI :

________________________________________

Prepared by TSE :

________________________________________

Checked by :

________________________________________

Approved by :

________________________________________

H27

Preface

This manual is applied to H27 0.5 DMD SXGA digital proje tion system. Its the mode of single Panel,

200 Watt Lamp and 854(H) x 480(V) resolution. The manual gives you a brief des ription of basi te hni-

al information to help in servi e and maintaining the produ t.

Your ustomers will appre iate the qui k response time when you immediately identify problems that o ur

with our produ ts. We expe t your ustomers will appre iate the servi e that you offer them.

This manual is for te hni ians and people who have an ele troni ba kground. Send the produ t ba k to

the distributor for repairing and do not attempt to do anything that is omplex or is not mentioned in the

troubleshooting.

NOTICE :

The information found in this manual is subje t to hange without prior noti e. Any subsequent hanges

made to the data herein will be in orporated in further edition.

Manual Version 1.0

Do ument # 80B-G04-01A

Table of Contents

Chapter 1 Introduction 1-1

Product Highlights 1-1

Computer Compatibility (Analog and DVI) 1-4

Chapter 2 Disassembly of Procedure 2-1

Removing Lamp Module 2-1

Removing Rear Cover, Keypad Board, Top Cover and Main Board 2-2

Removing 70x20 AXIAL Fan Module, Lamp Driver Module,

Interrupt Switch and LVPS Module 2-4

Removing Front Cover Insert, Front Cover, IR Receiver Board

and Zoom Ring 2-6

Removing Color Wheel Module and Engine Module 2-8

Disassemble Engine Module 2-9

Removing 50x20 Blower Fan Module, Elevator Module

and Thermal Sensor Board 2-10

Chapter 3 Troubleshooting 3-1

Equipment Needed 3-1

Main Procedure 3-2

Chapter 4 Function Test and Alignment Procedure 4-1

Product 4-1

Test Equipment 4-1

Test Condition 4-1

Test Display Modes and Pattern 4-2

Inspection Procedure 4-7

Chapter 5 Firmware Upgrade Procedure 5-1

Equipment Needed 5-1

Hardware Setup Procedure 5-1

Firmware Upgrade Procedure 5-2

H27

Chapter 6 DDC Key-in Procedure 6-1

Equipment Needed 6-1

Setup Procedure 6-2

DDC Key-in Procedure 6-3

Appendix A 7-1

Exploded Overview 7-1

Appendix B 7-15

Serial Number System Definition 7-15

Appendix C 7-16

Board S/N Coding 7-16

Appendix D 7-17

DLP Composer Lite Setup Procedure 7-17

Appendix E 7-22

The Comparision of EDID Fixture 7-22

Reader’s Response 7-23

H27iii

H271-1

Chapter 1

Introduction

1-1 Product Highlights

- Target istocreatethehighest qualityentry level hometheatre projector inthe market

- TIDMD,0.5” 480PDDRSXGADigitalMirrorDevice

- Uses Single 16:9 854 x 480DMD

- Uses2x sixsegmentcolor wheelRGB

- HighendscalerDDP2000with3:2\2:2PullDown

- LightweightIDfora totalweight5.5lb.

- SCART RGB support via an adaptor

- 35 +/- 2 dBA in normal mode

- On-Screenmenuwith7languages.

- Four types of projection method. (Front desktop, Front Ceiling, Rear desktop, Rear Ceiling)

- Four types of display mode. (Normal,GameTV, Movie or User for selections). *Notice

* Notice :

All modes except “Normal Mode” are fixed values. Only “ Normal Mode” can be

adjusted for user’s preference.

- CoolingSystem

a. Advancedairflow

b. Twofanswithlowsystemacousticnoiselevel

c. Temperaturecontrolcircuitswithadaptivevoltagecontrolfanspeed.

- Tiltangle:7degreeswithelevatormechanism

- IR receivers : Front and back of projector

- Power supply : Input 100-240V, 50/60Hz

- Power Consumption : 265W+-10% Full Power

H271-2

- Terminals:

a. One 29-pinDVI-IconnectorforDigitalsignalwith HDCPinput.

b. OneD-Sub 15-pin female connector for analog RGB / HDTV / component video / SCART

RGBSyncinput.

c. One MiniDIN 4-pin for S-Video Input

d. One RCAJack for CompositeVideo Input

e. Three RCAJacks for component video / HDTV input

f. One MiniDIN3-pin for RS232

- Inputsignalspec

a. PCSignal

b. Hsync Frequency 31.5 ~ 100 kHz

c. Vsync Frequency 56 ~ 85 Hz

d. VideoSignal RGB(PC)

e. Analog RGB 0.7Vp-p, 75 ohm

f. AnalogRGB1Vp-p, 75 ohm, Sync. signal

g. Separate TTL H, V Sync.

h. CompositeTTLSync.

i. Video

j. Composite video 1Vp-p,75 ohm

k. S-video Luminance0.714Vp-p,75 ohm

l. Chrominance 0.286Vp-p,75 ohm

- Videocompatibility:

NTSC : M (3.58MHz), 4.43 MHz, 480i

PAL : B,D, G, H, I, M,N; 576i

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

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

- WVGA/Compression:byusing “DDP2000”Chipsto compressSVGA/XGA/SXGAimageinto

WVGAdisplay.

- Keystone correction : +/ -16 degree

- Brightness:

Specification:800lumens;520lumens(minimum)

- Contrastratio :

Specification:2300:1orhigherfullon/fulloff ;1300:1fullon/fulloff(minimum)

H271-3

- Uniformity:

Specification: 85%(Japanstandard)

- Displayable colours:16.7millioncolours 256shadesofgray

- Color temperature : 7500° K (Video)Adjustable from 6500° K to 9500° K

- Lamp type : 200W lamp with ECO mode supported.

- Lamplife: 2000 hours Brite mode

3000 hours ECO mode

1500hours to50% survivaltypical

- Projection lens : F/ 2.6~2.8, f = 22.34 ~ 26.8mm. Zoom Lens

- Projection screen size : 30.1” to 241.6” (Diagonal for 16:9)

- Projection distance : 1.5M ~ 10M

- Throwratio :1.87~2.25:1 distance/width

- Operationalnoise:

Specification: 28dB (Normal mode),32dB (Brite mode)

- Temperatures:

a. Operating:5-35°C,80%humidity(Max.)

b. Storage: -20 - 60°C, 80% humidity (Max.)

- Altitude:

a. Operating 5-35°C @ 0 - 2,500 ft

5-30°C @ 2,500 - 5,000 ft

5-25°C @ 5,000 - 10,000 ft

b. Storage 40,000 ft (Max.)

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

H271-4

1-2 Computer Compatibility (Analog and DVI)

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H272-1

Chapter 2

Disassembly Procedure

The Front Side The Rear Side

Equipment Needed

Screw Bit(+) : 107

HexSleeves5mm

Screw Bit(+) : 101

HexSleeves8mm

Appearance

H272-2

1. Unscrew 4 screws and 4 hex screws to remove Rear Cover.

Rear Cover

2-2 Removing Rear Cover, Keypad Board, Top Cover

and Main Board

Hexscrews

2-1 Removing Lamp Module

1. Turnovertheunit.

Loosen 2 screws to remove Lamp Cover.

Loosen 2 screws to pull out Lamp Module.

LampModule

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