Optoma Optoma EP747 Manuel utilisateur
Prepared bySI:
________________________________________
Prepared byTSE :
________________________________________
Checked by:
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Approved by:
________________________________________
ModelName:EP747
SERVICEMANUAL
Date Revise Version Description
2005/12/13 V1.0 Initial Issue
CopyrightDecember,2005 .All RightsReserved
EP747
i
Preface
ThismanualisappliedtoEP7470.7”DMDXGAdigitalprojectionsystem.It’sthemodeofsinglePanel,
180WattCompactP-VIPLampand1024(H)x 768(V)resolution. Themanualgivesyou abriefdescrip-
tionofbasictechnicalinformationtohelpinserviceandmaintainingtheproduct.
Yourcustomerswillappreciatethequickresponsetimewhenyouimmediatelyidentifyproblemsthatoccur
withourproducts. Weexpectyourcustomerswillappreciatetheservicethatyouofferthem.
Thismanualisfortechniciansandpeoplewhohaveanelectronicbackground. Sendtheproductbackto
thedistributorforrepairinganddonotattempttodoanythingthatiscomplexorisnotmentionedinthe
troubleshooting.
NOTICE:
Theinformationfoundinthismanualissubjecttochangewithoutpriornotice.Anysubsequentchanges
madetothedatahereinwillbeincorporatedinfurtheredition.
Copyright2005,December
AllRightsReserved
ManualVersion1.0
TableofContents
Chapter1Introduction 1-1
Highlight1-1
MechanicalSpecification 1-2
OpticalSpecification 1-2
Environment1-3
CompatibleMode 1-5
Chapter2DisassemblyofProcedure 2-1
EquipmentNeeded 2-1
DisassembleLamp,Top Cover,Keypad Boardand IRReceiver2-2
DisassembleI/O Cover,MainBoard,LampDriver,LVPS and
AxialFan Module 2-6
DisassembleEngine Module,DMDChip,DMDBoard,ColorWheel
and PhotoSensorBoard 2-11
DisassembleFocusRing,DMDFan,Speaker,BlowerFan and
ElevatorModule 2-14
Chapter3Troubleshooting 3-1
EquipmentNeeded 3-1
MainProcedure 3-1
Chapter4Function Testand AlignmentProcedure 4-1
TestEquipmentNeeded 4-1
ServiceMode 4-1
TestCondition 4-2
InspectionProcedure 4-2
Chapter5FirmwareUpgradeProcedure 5-1
EquipmentNeeded 5-1
InstallationProcedure 5-1
FirmwareUpgrade Procedure 5-6
EP747
Chapter6EDIDKey-inProcedure 6-1
EquipmentNeeded 6-1
Setup Procedure 6-2
DDC Key-inProcedure 6-2
AppendixA7-1
Exploded Overview7-1
AppendixB7-17
PCBA Code Definition 7-17
AppendixC7-18
SerialNumberSystemDefinition 7-18
Reader’s Response 7-19
EP747ii
1-1 EP747
No Item Description
1 Resolution
True 1024x768 resolution, 16.7M True colors
Maximum resolution SXGA+ 1400*1050
2 DMD Chip 0.7’’ XGA DDR DMD XGA
3 ID H72 Housing ID
4 Lamp Osram P-VIP 180-230Watt 1.0arc gap E20.5 Lamp (user re-
placeable)
5 Brightness 3000 lumens
6Contrast
Ratio 2000:1
7 Weight 7.1 lbs.
8 Lens Manual focus projection 1:1.2 zoom lens
9Electrical
Spec
Auto image signal detect using most recently used signal as
priority
NTSC/PAL/SECAM video capability with composite and S-
Video
HDTV video (480i/p, 576i/p, 720p, 1080i) with 480i/576i/1080i
deinterlacing
Photocatalysis (O2air) Technology
VGA with Audio 1 (could by fixed)
1 audio outRS232/mini connector (not D-Sub9)
DVI-I (connector) (accept DVI-Dsignal) with HDCP
Chapter 1
Introduction
1-1 Highlight
1-2 EP747
No Item Description
8Electrical
Spec
Wireless remote with mouse and laser pointer
Dual VGA (d-sub 15) (support SCART/RGB/YPbPr)
9 Compatibility SXGA+/SXGA/XGA/SVGA/VGA/MAC
10 Speaker one 3 Watt speaker
11 Audio 4 audio in and 1 audio out
No Item Description
1 DMD Single 0.7” 12D DDR DMD XGA
2 Resolution Native 4:3, 1024*768 resolution
3 Brightness 2040 lumens (Minimum)
2550 lumens (Typical)
1-3 Optical Specification
No Item Description
1 Weight Approximate 7 lbs
2
Projector
control key-
pad
Power/standby, Directional keys, enter, source, menu
3Power indi-
cator lights
“Lamp” Red:blinking red for fan locked
“Temp” Red
“Power” Green:blinking green (warming up)
orange (cooling up)
4Cooling Sys-
tem
- Advanced air flow
- Fans with low system acoustic noise level
- Temperature control circuits with adaptive voltage control fan
speed
- High Altitude fan setting for user setting
5 Tilt Angle 7 degrees with elevator mechanism
1-2 Mechanical Specification
1-3 EP747
No Item Description
4 Contrast 1200:1 (Minimum)
1500:1 (Typical)
5 Uniformity 65% (Minimum)
75% (Typical)
6Displayable
colors 16.7 million colors 256 shades of gray
7Color tem-
perature:
7500ºK (Low, Mid, High selectable)
adjustable to 6500ºK - 9500ºK
8Projectors
lens
1.2x zoom lens,
2.0 – 2.4 throw ratio
With ability to attach long throw and short throw lens
9 screen size Adjustable from 30.75” to 300”.(Diagonal)
10 Projection
distance 1.5 – 12.2meter
11 Keystone +/- 16% Vertical only (DDP2000)
No Item Description
1 Temperature - Operating: 5 -- 35°C
- Storage: -20 -- 60°C
2Maximum
Humidity
- Operating: 5 -- 35°C, 80% non-condensing
- Storage: -20 -- 60°C, 80% non-condensing
3Acoustic
noise level
- 37dB (A)( Typical, 23 ± 2ºC) with wind tunnel design
37 dB(A) 230W Normal mode.
32 dB(A) 180 W ECO-mode.
Follow ISO-7779 regulation sound pressure level A
weighting measurement
4 Lamp life -2000 hours typical, 50% survival rate (Full power Mode)
-4000 hours min, 50% survival rate (Eco Mode)
1-4 Environment
1-4 EP747
No Item Description
5 Altitude
- Operating 0~2,500 ft 5°C~35°C
2,500~5,000 ft 5°C~30°C
5,000~10,000 ft 5°C~25°C
- Storage 40,000 ft (Max)
6 MTBF 12000 HRs
1-5 EP747
1-5 Compatible Mode
Analog
Compatibility Resolution V-Sync [Hz] H-Sync [KHz]
VGA 640x350 70 31.5
640x350 85 37.9
640x400 85 37.9
640x480 60 31.5
640x480 72 37.9
640x480 75 37.5
640x480 85 43.3
720x400 70 31.5
720x400 85 37.9
SVGA 800x600 56 35.2
800x600 60 37.9
800x600 72 48.1
800x600 75 46.9
800x600 85 53.7
XGA 1024x768 60 48.4
1024x768 70 56.5
1024x768 75 60.0
1024x768 85 68.7
SXGA 1280x1024 60 63.98
1280x1024 75 79.98
SXGA+ 1400x1050 60 63.98
MAC LC 13” 640x480 66.66 34.98
MAC II 13” 640x480 66.68 35
MAC 16” 832x624 74.55 49.725
MAC 19” 1024x768 75 60.24
MAC 1152x870 75.06 68.68
MAC G4 640x480 60 31.35
I Mac DV 1024x768 75 60
I Mac DV 1152x870 75 68.49
I Mac DV 1280x960 75 75
1-6 EP747
Digital
Mode Resolution V-Sync [Hz] H-Sync [KHz]
VGA 640x350 70 31.5
640x350 85 37.9
640x400 85 37.9
640x480 60 31.5
640x480 72 37.9
640x480 75 37.5
640x480 85 43.3
720x400 70 31.5
720x400 85 37.9
SVGA 800x600 56 35.2
800x600 60 37.9
800x600 72 48.1
800x600 75 46.9
800x600 85 53.7
XGA 1024x768 60 48.4
1024x768 70 56.5
1024x768 75 60.0
1024x768 85 68.7
SXGA 1280x1024 60 63.98
SXGA+ 1400x1050 60 63.98
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