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Service Manual ViewSonic PJ755D-1 Model No. VS10412 XGA Portable DLP Projector (PJ755D-1_SM Rev. 1a Nov. 2004) ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583 Copyright Copyright 2004 by ViewSonic Corporation. All rights reserved. No part of this publication may be 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 Optiquest is a registered trademark of ViewSonic Corporation. ViewSonic is a registered trademark of ViewSonic Corporation. All other trademarks used within this document are the property of their respective owners. Revision History Documents Number Revision SM Editing Date Description of Changes Editor DCN Number ECR Number 11/09/04 Initial Issue 1 12/1/04 Modified Chapter 6, Appendix B 1a 12/07/04 Initial Release Raquel D. ViewSonic Corporation Confidential - Do Not Copy PJ755D Preface This manual is prepared for the maintenance service for PJ755D 0.7" XGA DMD Projector. Main- tenanceproceduresdescribedinthismanualareintendedtoisolatefaultypartsandreplacetheminthefield. It also aims to serve as a guide in procuring replacement parts for this product. This manual is copyrighted and all rights are reserved. This product may not, in whole or in part, be copied, photocopied, translated or reduced to any electronic or machine readable form without prior written consent except for copies retained by the purchaser for backup purpose. Thismanualincludessystemoverview,majorsystemassembly,components'description,andthe "Troubleshooting" making explanations on how to detect errors. It also includes a flow chart for checking or correctingfaults. No warranty or representation, either expressed or implied, is made