Optoma EP732B Manuale utente
Model Name : EP732B
SERVICE MANUAL
etaDnoisreVesiveRnoitpircseD
02/2/40020.1VeussIlaitinI
Prepared by SI :
________________________________________
Prepared by TSE :
________________________________________
Check by :
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Approved by :
________________________________________
Copyright February, 2004 . All Rights Reserved
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.
Copyright2004, February
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
Indice
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