ViewSonic PJ402D-2 User manual

Service Manual
ViewSonic
381 Brea Canyon Road, Walnut, California 91789 USA - [phone]
DLP
TM
Projector
ViewSonic PJ402D-2
Model No. VS10400
(PJ402D-2_SM Rev. 1eDec. 2008)

Copyright
Copyright
¤
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
1a Initial Release
2007by ViewSonic Corporation. All rights reserved. No partof this publication may be
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:
Initiallampbulbcharacteristics:
Characteristics shouldsatisfythevalues oftable1,when lampisoperated tooptical
benchspecified underfigure 1.
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System Block Diagram
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