ViewSonic PJ755D - 2600 Lumens DLP Projector Bedienungsanleitung

Model No. VS10412

XGA Portable DLP Projector

Service Manual

ViewSonic PJ755D-1

ViewSonic

381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

(PJ755D-1_SM Rev. 1aNov. 2004)

reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or

computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical,

manual or otherwise, without the prior written permission of ViewSonic Corporation.

Disclaimer

ViewSonic makes no representations or warranties, either expressed or implied, with respect to the

contents hereof and specifically disclaims any warranty of merchantability or fitness for any particular

purpose. Further, ViewSonic reserves the right to revise this publication and to make changes from time

to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or

changes.

Trademarks

ViewSonic is a registered trademark of ViewSonic Corporation.

All other trademarks used within this document are the property of their respective owners.

Optiquest is a registered trademark of ViewSonic Corporation.

Revision History

DCN Number ECR Number

Documents Number Description of Changes EditorRevision SM Editing Date

11/09/04 Initial Issue

11 12/1/04 Modified Chapter 6, Appendix B

1a 12/07/04 Initial Release Raquel D.

ViewSonic CorporationConfidential

Do Not-Copy PJ755D

ViewSonic Corporation Confidential - Do Not Copy PJ755D

ThismanualispreparedforthemaintenanceserviceforPJ755D0.7”XGADMDProjector.Main-

tenanceproceduresdescribedinthismanualareintendedtoisolatefaultypartsandreplacetheminthefield.

Italsoaimstoserveasaguideinprocuringreplacementpartsforthisproduct.

Thismanualiscopyrightedandallrightsarereserved.Thisproductmaynot,inwholeorinpart,be

copied,photocopied,translatedorreducedtoanyelectronicormachinereadableformwithoutpriorwritten

consentexceptforcopiesretainedbythepurchaserforbackuppurpose.

Thismanualincludessystemoverview,majorsystemassembly,components’description,andthe

“Troubleshooting”makingexplanationsonhowtodetecterrors.Italsoincludesaflowchartforcheckingor

correctingfaults.

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

documentation,itsquality,performance,merchantabilityorfitnessforparticularpurpose.

Noeventthatthevendorwillbeliablefordirect,indirect,special,incidentalorconsequentialdam-

agesarisingoutoftheuserorinabilitytousethisproductordocumentation.

Notice: Theinformationfoundinthismanualissubjecttochangewithoutpriornotice.Anysubsequent

changesmadetothedatahereinwillbeincorporatedinfurtheredition.

PJ755D Service Manual

Manual Version 1.0

Document #896-G04-02A

Preface

PJ755Di

PJ755Dii

Table of Contents

Chapter 1 Introduction 1-1

Product Highlight 1-1

Optical Specification 1-2

Electrical Specification 1-2

Mechanical Specification 1-3

Environment 1-3

Compatible Modes 1-4

Chapter 2 Disassembly of Procedure 2-1

Disassemble Lamp Module and Elevator Foot 2-1

Disassemble Top Cover and Keypad Board 2-2

Disassemble Main Board Module, Wind Tunnel Module and

FanGuiderModule 2-4

Disassemble Lamp Driver Module, LVPS Module and Axial Fan

92*25 Module 2-5

Disassemble Color Wheel, Photo Sensor Board, Optical Engine

Module and Blower Fan 60*25 Module 2-7

Disassemble Rear Cover, Speaker, Blower Fan 50*20, Thermal

Sensor Board, Interrupt Switch Module and Bottom Cover 2-9

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

Test Display Modes and Pattern 4-2

Inspection Procedure 4-8

Chapter 5 Firmware Upgrade Procedure 5-1

Equipment Needed 5-1

Hardware Setup Procedure 5-1

Firmware Program Installation Procedure 5-2

PJ755Diii

Chapter 6 DDC Key-in Procedure 6-1

Equipment Needed 6-1

Setup Procedure 6-2

EDID Upgrade Procedure 6-4

Appendix A 7-1

Exploded Overview 7-1

Appendix B 7-12

Serial Number System Definition 7-12

Reader’s Response 7-13

1-1 PJ755D

ViewSonic Corporation

Chapter 1

Introduction

1-1 Product Highlights

Thismanualisappliedto0.7”XGADMDProjectorwithdigitalimagingfunctionalitybasedonDigital

MicromirrorDevice(DMD)technology.It’sthemodeofsinglepanel,250wattlonglifelamp.

Themanualgivesyouabriefdescriptionofbasictechnicalinformationtohelpinserviceandmaintaining

theproduct.

Yourcustomerswillappreciatethequickresponsetimewhenyouimmediatelyidentifyproblemsthatoccur

withourproducts.Weexpectyourcustomerswillappreciatetheservicethatyouofferthem.

Thismanualisfortechniciansandpeoplewhohaveanelectronicbackground.Sendtheproductbacktothe

distributorforrepairingand donotattempttodoanythingthatiscomplexorisnotmentionedinthe

troubleshooting.

- Onepanel0.7"DMDprojectionsystemwithtypical2250ANSIlumensandminimum

1910lumens

- 250WattUHPPhilipsLampdimmableto200W

- NoiseLevel,33dB(A)at23±2oo

Cambienttemperature(Typical)

- Manualfocusprojectionzoomlens1.2X

- True1024x768resolution,16.7Mcolors

- Build-infullscreenNTSC/PAL/SECAM/HDTVvideocapabilitywithS-video/

Composite/Component

- VGA/SVGA/XGA/SXGA/SXGA+/UXGA/MAC/iMACcompatibility

- OSDwithfreezefunction

- Automaticallysaveadjustmentsforfutureuse

- Lamplifetimer

- Stereospeakerwith2Wattx2amplifier

- Adaptivevoltagecontrolfanspeed

- Noobviousvisiblecolorvariationonthewholedisplayimagein100%white,50%white

andpure R/G/Bcolor.

1-2 PJ755D

ViewSonic Corporation

1-2 Optical Specification

Technology -Single0.7”XGA DDRDMDchip

Resolution -1024x768

Brightness -1910ANSILumens(Minimum)

-2250ANSILumens(Typical)

Contrastratio -1200:1FullWhiteandBlack(Minimum)

-1800:1FullWhiteandBlack(Typical)

Uniformity -65%Japanstandard(Minimum)

-80%Japanstandard(Typical)

Lamptype -Philips 250 watt UHP lamp, dimmable to 200 watt

Lamplife -1500hoursmin,50%survivalrate(Normal Mode)

-2500hoursmin,50%survivalrate(EconoMode)

Projectionlens -f=28mm~33.6mm,F/2.4~2.6,1.2XManualZoomLens

Projectionscreensize -Adjustablefrom24.6”to246”(Diagonal)

Projectiondistance -Suggetedthrowdistance:1.2~10m(Mechanicaltravel)

DisplayPanel -TIDMD0.7”DDRXGADigitalMirrorDevice

PowerSupply -UniversalAC100–240VAC,50-60HzwithPFCinput

PowerConsumption -384WattTypicalat110VAC

-Standbymode<10W

VideoCompatibility Standards :

- NTSC - M, 4.43 MHz / 3.58 MHz

- PAL - B, D, G, H, I , M , N, 60

-SECAM - B, D, G, K, K1, L

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

1-3 Electrical specification

1-3 PJ755D

ViewSonic Corporation

Audio -2Watts@8Ohmx2speaker

-2Wattsx2amplifier

-SignalInput

Amplitude:1Vp-p

Impedance:10kOhm

1-4 Mechanical Specification

Dimension(WxHxD) - 330 x 100 x 269 mm

Weight - Approx. 7.9 lbs. ( 3.6 Kg)

Air Filter - None air filter

- Adaptive voltage control fan speed

Keystonecorrection +/ -16 degree

Temperature -Operating: 5-35°C

-Storage: -20~60°C

MaximumHumidity -Operating:10~85%(Max.),non-condensing

-Storage:5~90%(Max.),non-condensing

Noiselevel -33dB(A)(Typical,Under23+/-2OC;normalmode)

-30dB(A) (Typical,Under23+/-2OC;Economode)

Altitude -Operating 0~2,500ft,for5°C~35°C

2,500~5,000ft,for5°C~30°C

5,000~10,000ft,for5°C~25°C

-Storage 0~40,000ft

1-5 Environment

1-4 PJ755D

ViewSonic Corporation

1-6 Compatible Modes

Analog

1-5 PJ755D

ViewSonic Corporation

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