Optoma EP756 Manuale utente

1-1 EP757 SERVICE MANUAL

Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications

Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix

This manual is applied to 0.7*1 DMD Color Projector with digital imaging

functionality based on Digital Micromirror Device (DMD) technology. Its the

mode of single panel, 250 watt long life HP lamp. The manual gives you a

brief description of basic technical information to help in service and main-

taining the product.

Your customers will appreciate the quick response time when you immedi-

ately identify problems that occur with our products. We expect your cus-

tomers will appreciate the service that you offer them.

This manual is for technicians and people who have an electronic background.

Send the product back to the distributor for repairing and do not attempt to

do anything that is complex or is not mentioned in the troubleshooting.

Introduction

1-2 EP757 SERVICE MANUAL

Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications

Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix

1-1 Product Highlights

- One panel 0.7 DMD XGA projection system with 1615 ANSI lumens, 64% uniformity (Japan)

- 250 Watt Philips HP Lamp 2,000 hrs ( ser replaceable)

- High efficiency cooling system with system acoustic noise level 37 +/- 1dB(A) (Average)

- Light weight less then 6.6 lbs

- Manual focus projection zoom lens 1.2X

- True 1024 x 768 resolution, True colors

- With up, down, left, and right screen reverse

- XGA / SVGA/ VGA / MAC / iMAC / PC98 / FM Towns / VESA compatibility with XGA compression &

120 Hz High Refresh Compatible

- Auto image re-sizing to True XGA 1024 x 768 Addressable Pixels screen

- Auto detection of computer signal input

- Auto Image ( Auto-tracking / Frequency / Position adjustment )

- Powerful enlarge and freeze function

- Automatically saves adjustments for future use

- On-screen menu with 10 languages

- On Screen lamp life timer

- Build-in full screen NTSC / PAL / SECAM video capability with S-video / Composite / Component and

HDTV terminals with 4 : 3 / 16 : 9 format

- One DVI PC-data input ( Including Analog and Digital RGB signal )

- Built-in 2 speakers with 3 Watt amplifier

- Wireless remote controller

- Adaptive voltage control fan speed

1-3 EP757 SERVICE MANUAL

Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications

Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix

1-2.1 Optical Features

sneLnoitcejorP sneLmooZlaunaMX2.1,96.2~44.2/F,mm5.43~8.82=f

eziSegamInoitcejorP lanogaiD"642ot"32

ecnatsiDworhT m0.01otm41.1/tf8.23ottf47.3

ssenthgirB )muminiM(snemuLISNA5161

tsartnoC )muminiM(kcalBdnaetihWlluF1:0031

ytimroinU )dradnatSnapaJ(%46

1-2 Technical Speci ication

oitaRworhT )htdiWegamI/ecnatsiDnoitcejorP(4.2~0.2

ecnatsiDnoitcejorP).xaM(eziSegamI).niM(eziSegamI

"88.44/'47.3/m41.1"150.82/'833.2/m317.0"573.32/'849.1/m495.0

"47.87/'45.6/m0.2"312.94/'001.4/m052.1"010.14/'714.3/m240.1

"11.811/'48.9/m0.3"918.37/'051.6/m578.1"615.16/'521.5/m365.1

"84.751/'21.31/m0.4"524.89/'002.8/m5.2"120.28/'338.6/m380.2

"58.691/'04.61/m0.5"30.321/'052.01/m521.3"625.201/'245.8/m406.2

"22.632/'86.91/m0.6"836.741/'003.21/m57.3"130.321/'052.01/m521.3

"95.572/'69.22/m0.7"442.271/'053.41/m573.4"635.341/'859.11/m646.3

"69.413/'42.62/m0.8m58.691/'004.61/m0.5"240.461/'766.31/m761.4

"33.453/'25.92/m0.9"654.122/'54.81/m526.5"745.581/'573.51/m886.4

"07.393/'08.23/m0.01"360.642/'05.02/m52.6"250.502/'380.71/m802.5

1-4 EP757 SERVICE MANUAL

Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications

Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix

1-2.2 Electrical Features

ylppuSrewoP

tupniCFPhtiwzH06-05~V462-09CAlasrevin-

noitarepolamron@pmaLPHspilihProfW052-

)tnairaverutarepmetnodnepeD(lortnocdeepsNAFecnairaV-

slanimreT

)1xlanimreTelameFIVD(tupniretupmoC-

)1xBS-D(tupniretupmoC-

)oediV-S1xnip-4NIDiniM,1xepyTkcajACR(tupnioediV-

)3xepyTkcajenohP(tupnioiduA-

1xtuptuOesuoMetomeR-

.cepslangistupnI

zHk001~51ycneuqerFcnysH-

zH021~34ycneuqerFcnysV-

)CP(BGRlangiSoediV-

mho57,p-pV7.0BGRgolanA

langis.cnyS,mho57,p-pV1BGRgolanA

.cnySV,HLTTetarapeS

.cnySlTTetisopmoC

oediV-

mho57,p-pV1oedivetisopmoC

mho57,p-pV417.0ecnanimuLoediv-S

mho57,p-pV682.0ecnanimorhC

ytilibitapmoCoediV

:sdradnatS-

zHM34.4,M-CSTN

N,M,I,H,G,D,B-LAP

L,1K,K,G,D,B-MACES

i0801,i/P675;P027;P084;i084-VTDH

oiduA

rekaepslanretni,W3,mhO-8owT-

reifilpmasttaW3-

.smrV3.0ytivitisnestupnI-

1-5 EP757 SERVICE MANUAL

Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications

Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix

)DxHxW(snoisnemiD )mm58x522x772(sehcni3.3x9.8x9.01-

thgieW )gK99.2(.sbl6.6.xorppA

elgnAtliT msinahcemrotavelehtiweerged8

noitcerrocenotsyeK )eerged23(eerged61-/+

roloC )557PEsaemaS(revliS

noitcetorProoDpmaL neporoodnehwyllacitamotuaffotuhsylppusrewoppmaL

1-2.4 Environmental Features

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06~01-:egarotS

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gnisnednoc-non,).xaM(HR%08,C

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gnisnednoc-non,).xaM(HR%08,C

levelesioncitsuocA

2-/+32redn,lacipyT()A(Bd1-/+73

,)C

dluohsdethgiew-A,9777OSIswolloftnemerusaemesion

tnemerusaemlevelerusserp

eiLpmaL etarlavivrus05,muminimsruoh000,2

edutitlA

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1-2.3 Mechanical Features

2-1 EP757 SERVICE MANUAL

Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications

Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix

This section provides the conceptual drawing about optics of projector.

You can realize optical projection system through the following diagram

and the integral part of configuration, too.

Fundamental

Principle

2-2 EP757 SERVICE MANUAL

Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications

Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix

2-1 Whole System Block Diagram

D-Sub

Output

S-Video

Video

Audio

DVI

D-Sub

Mouse

RS232

Input

Speaker

Front-End

oard

Inter Lock

Switch

LVPS

Module

IR Receiver

Fan

Thermal

oard

Thermal

Sensor

Formatter

oard

Module

Lamp

allast

Module

Keypad

Photo

Sensor

LAMP

Module

Color Wheel

Thermal

Switch

2-3 EP757 SERVICE MANUAL

Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications

Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix

2-1.1 Front End Board Block Diagram

D-Sub output

Analog Input

Digital Input

Video Decoder

Memory

Image Process

MIS

Thermal oard

LVPS Module

DMD Module

R.G. .H.Vsync

Digital R.G. data

H.Vsync

SDA

SCL

GCLK

y (0-7)

UV (0-7)

GM-VHS

GM-VVS

GM-VPEN

GM-VCLK

Standby out

7 Sec

RESET

MCLK

DCLK

KDS (0-3)

KDR (0-2)

ERR

Standby-1

ECOMODE

LAMP Lit

Digital R.G. Data

DCLK0

DENR

DVS

DHS

LAMP ON / Lamp Lit

RESET# / Lamp Lit

RESET0 / Lamp Lit

LAMP-IN

LAMP-OUT

2-4 EP757 SERVICE MANUAL

Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications

Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix

2-1.2 Thermal Board Block Diagram

THERMAL OARD Interface

FAN 1-4

THERMAL

SWITCH

THERMAL

SENSOR

LM75

MAIN

OARD

KEY PAD

20P Connector to

Formatter oard

16P Connector

3P Connector *4

2P Connector

4P Connector *2

ECON

KEY 7PIN

ERR_OUT

LAMPMISS

POWER 15V, 5VA

STAND Y

ERR_OUT

IR_ON

2-5 EP757 SERVICE MANUAL

Introduction Fundamental Principle Mechanical Construction Procedure of Disassembly Function of Boards Specifications

Troubleshooting Function Test and Alignment Procedure Firmware pgrading Procedure DDC Key-In Procedure Appendix

2-1.1 Formatter Board Block Diagram

VCC2,VOFFSET,V IAS

VERSET GENERATION

RESET ASIC

DMD

0.7 XGA

DATAPATH

FORMATTER

DPF2A

SDRAM

SDRAM A

ALLEGRO

MOTOR

CONTROL

MICRO

CONTROLLER

CONTROL

FPGA

CONFIG/

SEQUENCE

PROM

CUSTOMER INTERFACE CONNECTOR

VCC2 (DMD)

VCC2 (ASIC)

VOFFSET

V IAS

VRESET

+5V +12V

CLOCK

OSC

DPF2A CONTROL

VSYNCZ

HSYNCZ

ACTDATA

TFIELD

OLACT

SYNCVAL

LAMP CONTROL&STATUS

COLOR WHEEL INDEX

FPGA CLK

FLASH

PROGRAMMING

HEADER

IIC US

HITACHI

DOWNLOAD

HEADER

CLKIN

COLOR

WHEEL

CONTROL

COLOR WHEEL STATUS

CWRSTZ

VOLTAGE ENA LES

IAS IN

IAS/RESET CONTROL

DMD CONTROL

P US2

MENORY CONTROL A

MENORY ADDRESS A(12)

MENORY CONTROL

DMD CONTROL

COLOR

WHEEL

DRIVE

DATA (8)

VSYNCZ, RESETZ

ADDRESS (19)

M IASRST (16)

INPUTCLK

FPGA CLK

DMD CLK

SDRAM CLK

DATA(0..63)

DMD DATA(0..63)

MENORY ADDRESS A(12)

MENORY ADDRESS (12)

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