Optoma EP 758 Manuale utente

Model Name : EP758/EP759

SERVICE MANUAL

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21/01/40020.1VeussIlaitinI

Document #896-G04-01A . P/N: 36.89601.001

Prepared by SI :

________________________________________

Prepared by TSE :

________________________________________

Check by :

________________________________________

Approved by :

________________________________________

ThismanualispreparedforthemaintenanceserviceforEP758/EP759Micro-portableXGADLP

Projector.Maintenance proceduresdescribed inthis manualare intendedto isolatefaulty partsand replace

themin the field. It also aims to serve as a guide in procuring replacement parts for this product.

Thismanualiscopyrightedandallrightsare reserved.Thisproductmaynot,in wholeorinpart,be

copied,photocopied, translated or reduced to any electronic or machinereadableformwithoutpriorwritten

consent except for copies retained by the purchaser for backup purpose.

Thismanualincludessystemoverview,major systemassembly,components’description,andthe

“Troubleshooting”makingexplanationsonhowtodetecterrors.Italso includesaflowchart forcheckingor

correctingfaults.

No warranty or representation, either expressed or implied, is made with respect to this

documentation,itsquality,performance,merchantabilityorfitnessforparticularpurpose.

Noeventthatthevendorwillbeliablefordirect,indirect,special,incidentalorconsequentialdam-

agesarisingoutof the user orinabilityto use this productordocumentation.

Notice:

The information found in this manual is subject to change without prior notice.Any subsequent

changesmadetothedatahereinwillbe incorporated in further edition.

EP758/EP759Service Manual

CopyrightJuly,2004

ManualVersion1.0

Document #896-G04-01A

Preface

EP758/EP759i

EP758/EP759ii

Table of Contents

Chapter 1 Introduction 1-1

Product Highlight 1-1

Optical Specification 1-2

Electrical Specification 1-3

Mechanical Specification 1-5

Environment 1-5

Compatible Modes 1-6

Chapter 2 Disassembly of Procedure 2-1

Disassemble Lamp Module and Elevator Foot 2-1

Disassemble Top Cover, Front Cover, Keypad Board and

IR Sensor Module 2-3

Disassemble Main Board Module, Thermal Switch and LVPS Module 2-6

Disassemble FanGuider Module, Wind Tunnel Module, LampDriver

Module andAxial Fan 90*25 2-9

Disassemble Color Wheel Module, Optical Engine Module, 45*45*9

Dish Fan and Blower Fan 60*25 2-12

Disassemble Speaker, Blower Fan 50*20, Thermal Sensor Board,

Interrupt Switch Module, Bottom Cover and Rear Cover 2-16

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

TestDisplay 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 Program Installation Procedure 5-2

EP758/EP759iii

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 7-37

SerialNumber SystemDefinition 7-37

Reader’s Response 7-38

EP758/EP759

1-1

Coretronic Corporation

Chapter 1

Introduction

Thismanual is applied to 0.7”*1 DMD Color Projector with digital imaging functionality based on Digital

MicromirrorDevice (DMD) technology.It’sthemodeofsinglepanel,250watt(EP758)/300watt(EP759)

longlifelamp.

Themanualgivesyouabriefdescriptionofbasictechnicalinformationtohelpinserviceandmaintaining

the product.

Yourcustomerswillappreciate the quickresponsetimewhenyou immediatelyidentify problemsthatoccur

with our products. We expect your customers will appreciate the service that you offer them.

Thismanualis for techniciansandpeople who havean electronic background. Sendthe product backtothe

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

troubleshooting.

- One 0.7"DDRDMDprojection system with 2000(EP758) / 2210(EP759) ANSI lumen

- Contrast (FOFO) : 1000 : 1

-250(EP758) / 300(EP759) - Watt Lamp 1500hrs (user replaceable)

- Highefficiencycoolingsystemwithsystemacousticnoiselevel33dBA(EP758)/36dBA

(EP759) (Average )

- Dimensions:250*335*100mmw/windtunnel

- NTSC/PAL/SECAM video capability with S-video / composite / component, and HDTV

(480i/p, 576i/p, 720p, 1080i)

- Autodetectionofcomputersignalinput.

- AutoImage.(Auto-tracking/frequency/positionadjustment)

- Automaticallysavesadjustmentsforfutureuse

- On-screen menu with 11 languages(EP758) / 9 languages(EP759)

- OneDVIinput(IncludingAnalogandDigitalRGBsignal)withHDCPfunction

- Wirelessremotecontroller

1-1 Product Highlights

EP758/EP759

1-2

Coretronic Corporation

1-2 Optical Specification

Technology Single0.7” XGA DDRDMD chip

Resolution 1024 x 768

Brightness Specification:2500(EP758)/3000(EP759)lumens

Typical output: 2000(EP758)/2600(EP759)lumens

Contrastratio Specification:1500:1fullon/fulloff

Typicaloutput:1300:1

Minimum:1000:1fullon/fulloff

Uniformity Specification:85%(JBMA)

Displayable colors 16.7million colors 256 shades ofgray

Colortemperature 7500oK adjustable form 6500oK - 9500oK

Lamptype 300 watt lamp and power-saving mode to 250 watts for EP759

250 watt lamp and power-saving mode to 200 watts for EP758

Lamplife

2000hoursfull on mode

1500hoursto50%survivaltypicalfull on mode

3000 hours in ECO-mode

2500hours to 50% survival typical in econo-mode

Projectionlens F/2.2-2.6; f24.5 –29.4: 1.2x (EP759)

F/2.4-2.6; f28-33.6:1.2x (EP758)

Projection screen size Adjustable from 24.4” to 292.5” (EP759)

Adjustable from 24.6” to 246” (EP758)

Projectiondistance 1.2-10m

EP758/EP759

1-3

Coretronic Corporation

Inputconnections

-Terminal:-

DVIx 1 (AnalogRBG, Component, HDTV,Digital RGB, HDCP)

15pinsD-subVGAsignalinput

Composite Video X 1.

ThreeRCAconnectorsfor Componentvideo/HDTVinput

Audio Input X 1

USB X 1 (for remote mouse)

S-Video X 1

IR x 2 (Front, Top panel)

RS232Serial Control x 1 (3 pin mini din)

Power Cord x 1

- PC/Video: OneDVI-I + USB(analog and digital YCbCr/YPbPr w/ HDCP).

-One D-Sub 15-pin connector for analog RGB/component video/HDTV

-Video: 3-RCAtype connector forYPbPr component video.

One mini DIN for S-video connector.

One composite RCA type connector.

-Control: 1 RS-232(use standard Mini Dim 3pins configuration)(with talk back ability and9600

baudrate, talkbackabilitymustincludelamphours) (on/offandallinputsshouldhave

discreet IR and RS-232 commands)

OneAudio input for every input- (Phone Jack, Stereo)

Outputs One 15pin D-Sub Output

Oneaudio out

Audio Twowatt built in two speakersrespectively

Lock OneKensingtonkeylock hole

Tilt angle 7degreeswithelevatormechanism

1-3Electrical specification

EP758/EP759

1-4

Coretronic Corporation

IR receivers Front and Top of projector

PowerSwitch No toggle power switch required or wanted

Powersupply UniversalAC 100-240V 50/60 Hz with PFC input

Used OSRAM P-VIP 300/1.3 E21.8 300W Lamp (EP759)

Used Phillip E21.8 250W Lamp (EP758)

Powerconsumption Standby mode - < 10 Watt @ 110VAC

Operational noise 36 dB(A) 300W(EP759) Normal mode

33 dB(A) 250 W(EP758) Normal mode

Input signal spec. Hsync Frequency 15 ~ 100 kHz

Vsync Frequency 43 ~ 120 Hz

Video Signal RGB(PC)

-Analog RGB 0.7Vp-p, 75 ohm, Separate TTL H,V Sync.

-Analog RGB 1Vp-p, 75 ohm, Sync. On Green signal

-Analog RGB 0.7Vp-p, 75 ohm, Composite TTL Sync.

Video

-Composite video 1Vp-p,75 ohm

-S-video Luminance 0.714Vp-p,75 ohm

-Chrominance 0.286Vp-p,75 ohm

ComputerCompatibility(Analog/Digital)

SystemController PIXELWORKS PW463

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

-HDTV - 480i/576i ; 480p/576p ; 720p ; 1080i

Horizontalscan rate 15 – 100 kHz

Vertical scan rate 43 – 120 Hz

EP758/EP759

1-5

Coretronic Corporation

Weight

Approximate8lbs

Unit dimension (W X D X H)

innerdimension335*250*100(mm)

Cooling System

Advancedairflow

Three(EP758)/Four(EP759) fanswithlow systemacousticnoiselevel

Temperaturecontrolcircuitswithadaptivevoltage

controlfanspeed

TiltAngle

7degreeswithelevatormechanism

Keystone correction

±16°Vertical and Horizontal

LampDoorProtection

Lamppower supply shutoffautomaticallywhendooropen

Temperature Operating: 5 — 35°C

Storage: -20 — 60°C

MaximumHumidity Operating: 5 — 35°C, 80% non-condensing

Storage: -20 — 60°C, 80% non-condensing

33dB(A) / 36dB(A) ( Typical, 23 ± 2°C) with wind tunnel design

33dB(A) 250W / 36 dB(A) 300W lamp mode.

30dB(A) 200W / 33 dB(A) 240 W dimmable mode.

FollowISO-7779regulationsoundpressurelevelAweightingmeasurement

1-4Mechanical Specification

1-5 Environment

EP758 /EP759Acoustic noise level

EP758/EP759

1-6

Coretronic Corporation

Lamplife 1500hourstypical, 50% survival rate

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)

MTBF 12000 HRs

1-6 Compatible Modes

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 43.4 35.5

1024x768 60 48.4

1024x768 70 56.5

1024x768 75 60.0

1024x768 85 68.7

SXGA 1152x864 70 63.8

1152x864 75 67.5

1152x864 85 77.1

1280x1024 60 63.98

1280x1024 75 79.98

1280x1024 85 91.1

SXGA+ 1400x1050 60 63.98

UXGA 1600x1200 60 75

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

MAC G4 640x480 120 68.03

MAC G4 1024x768 120 97.09

i Mac DV 640x480 117 60

i Mac DV 800x600 95 60

i Mac DV

1024x768

Analog

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