Optoma H27 Manuale utente
Model Name : H27
SERVICE MANUAL
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Copyright March, 2005 . All Rights Reserved
Document #80J-G04-01A . P/N: 36.80J02.001
Prepared by SI :
________________________________________
Prepared by TSE :
________________________________________
Checked by :
________________________________________
Approved by :
________________________________________
H27
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Preface
This manual is applied to H27 0.5 DMD SXGA digital proje tion system. Its 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.
Copyright 2005, Mar h
All Rights Reserved
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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