Optoma H31 User manual
Model Name : H31
SERVICE MANUAL
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Copyright January, 2005 . All Rights Reserved
Document #81G-G04-01A . P/N : 36.81G03.001
Prepared by SI :
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Prepared by TSE :
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Check by :
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Approved by :
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ThismanualisappliedtoH31480P”DMDSVGA HomeTheater Projector with digital imagingfunctional-
itybasedonDigitalMicro-mirrorDevice(DMD)technology. It’sthemode ofsingle Panel,200 watt lamp
and854(H) x 480(V)resolution. Themanual givesyoua brief descriptionofbasic technical informationto
helpinserviceandmaintainingtheproduct.
Yourcustomerswillappreciatethequickresponsetimewhenyouimmediatelyidentifyproblemsthatoccur
withour products. We expect your customerswill appreciate the service thatyou offer them.
This manual is for technicians and people who have an electronic background. Send the product back to
thedistributor forrepairingand do notattemptto doanything thatis complexor isnot mentioned in the
troubleshooting.
NOTICE:
Theinformationfoundinthismanualissubjecttochangewithoutpriornotice.Anysubsequentchanges
made to thedatahereinwillbeincorporated in furtheredition.
Copyright2005,January
AllRightsReserved
ManualVersion1.0
Document #81G-G04-01A
Preface
H31I
H31II
Table of Contents
Chapter 1 Introduction 1-1
Product Highlights 1-1
Machanical Specifications 1-1
Electrical Specifications 1-2
Optical Specifications 1-2
Environmental Specifications 1-3
Chapter 2 Disassembly Procedure 2-1
Disassemble Lamp Module and Top Cover 2-1
Disassemble Keypad Board,Rear Cover, Main BD
and I/O BD 2-3
Disassemble Ballast, Thermal Switch, 60*20 intermedia Fan,
Front Fan Module and FanGuider Module. 2-6
Disassemble Color Wheel, Engine, Photo Sensor,DMDchip,
Blower Fan, Limit Switch, Elevator Foot Module and Bottom
Cover 2-10
Chapter 3 Troubleshooting 3-1
Equipment Needed 3-1
Main Procedure 3-1
Chapter 4 Function Test and Alignment Procedure 4-1
Product 4-1
Test Equipment 4-1
Test Condition 4-1
Service Mode Method 4-2
TestDisplay Modes & Pattern 4-2
Inspection Procedure 4-5
Chapter 5 Firmware Upgrade Procedure 5-1
Equipment Needed 5-1
Setup Procedure 5-1
Upgrading Procedure 5-2
Chapter 6 DDC Key-in Procedure 6-1
EquipmentNeeded 6-1
Setup Procedure 6-2
DDC Key-in Procedure 6-3
Appendix A Exploded Diagram 7-1
Appendix B Serial Number System Definition 7-19
SerialNumber Format for Projector 7-19
Appendix C Borad S/N Coding 7-20
Reader’s Response 7-21
III H31
H311-1
Coretronic Corporation
Chapter 1
Introduction
1-1 Product Highlights
- One panel 480P"DMDSVGAprojection system with 580ANSI lumens (Typical) and 490
ANSIlumens.(minimum)
- 200 Watt Lamp
- LightweightApprox.4.6lbs.
- True 800 * 480 resolution, 16.7MTrue colors
- Withup, down,left, andrightscreen reverse
- Build-infull screenNTSC / PAL/ SECAMvideo capability with S-video/ Composite/
ComponentandHDTVterminals
- SXGA/XGA/SVGA compatibilitywithoneD-subinput terminal
- Autoimage re-sizing to854 *480 full screen
- Manualfocusprojection
- Autodetectionofcomputersignalinput
- AutoImagesynchronization(Auto-tracking/frequency/positionadjustment)
- Eco mode supports
1-2 Mechanical Specifications
Dimensions(LxWxH) - External10.7*8.3*3.4 inches (272*210*86mm)
Weight - Approximate 4.6 lbs. (2.1 Kg)
CoolingSystem - Fourfanswithlowsystemacousticnoiselevel
- Temperaturecontrolcircuitswithadaptivevoltagecontrol
fan speed
Tilt Angle - 11 degreewithelevatormechanism
Keystonecorrection - +/- 16 degrees (32 degrees)
Lamp Door Protection - Lamppowersupplyshutoffautomaticallywhendooropen
H311-2
Coretronic Corporation
1-3 Electrical Specifications
PowerSupply
- UniversalAC 100—240V, 50/60 Hz
- 200W Lamp
- Variance FANspeed control (Depend on temperature variant)
Terminals
- DVI - I with HDCP(support SCARTRGB)
- CompositeVideoInput
- S-Video Input (MiniDIN 4-pin *1)
- YPbPr RCA (support 480i/p, 576i/p, 720p, 1080i)
- RS 232 C
Video Compatibility
- Standards:
NTSC M(3.58 MHz), 4.43 MHz
PAL B, D,G, K, I, M, N
SECAM B,D, G, K, K1, L
HDTV 480p, 576i/p720p, 1080i
1-4 Optical Specifications
ProjectionLens - ThrowRatio=1.65~2.0:1
ProjectionLens - Adjustablefrom31.8”to330.6” (Diagonal)
ThrowDistance - 1.4~12m
Brightness - 580ANSILumens,Typical,
- 490ANSILumens,Minimum
Contrast - 1500 : 1 Typical
- 1100:1Minimum
Uniformity - 90% Typical (Japan standard)
- 65% Minimum (Japan Standard)
H311-3
Coretronic Corporation
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:
- 36 ±2 dbA (typical @ 23 + 2° C)
LampLife:
- 2000 hours typical, 50% survival rate (Brite Mode)
- 3000 hours typical, 50% survival rate (Normal Mode)
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
H312-1
Coretronic Corporation
Chapter 2
Disassembly Procedure
2-1 Disassemble Lamp Module and Top Cover
Step1: Turn unit to bottom side and unscrew one screw to remove Lamp Cover
LampCover
Step2: Unscrew three screws to remove Lamp Module.
LampModule
H312-2
Coretronic Corporation
Step3: Unscrew four screws and unplug one connector to removeTop Cover .
TopCover
H312-3
Coretronic Corporation
2-2 Disassemble Keypad Board, Rear Cover and
IO Board and Main Board
Step1: Disconnectthe cable andtear off themylar.
Insulator Mylar Cable FFC
Step2: Unsrew three screws to take off Keypad Board.
Keypad Board
Keypad Buttom
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