ViewSonic PJ402D-2 User manual

Service Manual

ViewSonic

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

DLP

Projector

ViewSonic PJ402D-2

Model No. VS10400

(PJ402D-2_SM Rev. 1eDec. 2008)

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

Approval

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DCN Number ECR Number

Documents Number Description of Changes EditorRevision SM Editing Date

Initial Release

BonnieT.

PJ402D-2

12/20/05

5755

1b 5/30/06 RoHS issue(revise RSPL, add BOM list of page 66-74) BonnieT.

1c 7/13/06 Replace the photos to be clear to read. BonnieT.

1d1/10/07Add content of reset the lamp hours (Appendix) Sophia Kao

1e12/15/08VS-E080372 RSPL update Sophia Kao

TABLE OF CONTENTS

1. Precautions and Safety Notices………………………………………1

2. System Introduction……………………………………………………2

3. Firmware Update……………………………………………………….9

4. Machine Dissassembly and Replacement………………………….11

5. Trouble shooting……………………………………………………….23

6. Connector Information………………………………………………...33

7. FRU(Field Replaceable Unit) List…………………………………… 43

8. Basic Circuit Diagrams………………………………………………..47

9. Recommended Spare Parts List…………………………………….. 65

10.Appendix....................................……………………………………75

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Chapter 1

Precautions and Safety Notices

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1. When replacing the lamp, use care to avoid burns to your fingers. The lamp becomes very hot

during operation.

2. Never touch the lamp with your fingers as body oil transferred to the lamp can damage the

lamp’s useful life.

3. Never drop the lamp or jar it in any manner. This may cause the lamp to burst.

4. This projector is provided with a high voltage circuit for the lamp. Do not touch any electric

part or component after the projector has been turned on and is operating. Doing so could

induce a severe shock causing injury or death.

5. Do not touch the exhaust fan, nor block its air flow, during operation, as the fan is hot.

6. Use only the cables which are included with the projector, or are specified in this manual.

7.Ensurethatscrewsaretightened properly.Screwsnottightened fullymayresultin injury or accidents.

8.Sincethelampismade ofglass,do notdrop theunitanddo notscratchtheglass.

9.Donotreusetheoldlamp.Thiscouldcausethelamptoexplode.

10.Besuretoturnoff theprojectorandunplugtheACpowercordbeforereplacingthe lamp.

11.Donotusetheprojectorwiththelampcoverremoved.

Disposal:Fordisposalofspentlamps,always consultfederal,state,localand

provincialhazardouswastedisposalrulesand regulationstoensure

properdisposal.

Caution :Thislampemitsultraviolet(UV)radiation and operatesathigh

pressure.

Thislampmayonlybe used inenclosed fixturesthatcomplywith

UL1572.

Due tothe high luminousefficacy,the UVradiation whichthe lamp

emitsand the high pressurewithinthe lamp,P-VIPâlampsmayonlybe

operated withinenclosed,purpose-builthousings.

System Introduction

Chapter 2

Technical Specification

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Weight

2.2 KG (<4.9 lb)

Other Key Features

Dimensions(WxDxH)

Operation AC Temperature Range

Chinese, English, French, German, Spanish,

LampSpecification

1.Scope

The productisalampsystemconsisting ofashortarcburnerwithareflectorand an electric

lampballast.

2.Product:NSH200PT

Productname:Shortarcmercurylampwithreflector

USHIO type NSH200PT(see Figure3.)

3.Application

Back lighting forDMDprojector

4.Appearance,Structureand dimension

Appearance:

Theremustnotbe anydefectwhichdeviatesfrominitialcharactertics showingin

Table1.

Asforscratches,coatingpeeling,dirtandon reflectororlamp,whetherdefectiveor

notistobe judged bytheinitialcharacteristics shownintheTable1.

5.Initialcharacteristics

Initiallampbulbcharacteristics:

Characteristics shouldsatisfythevalues oftable1,when lampisoperated tooptical

benchspecified underfigure 1.

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System Block Diagram

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