Viewsonic pj452-1 sm rev.1a free download

File name pj452-1_sm_rev.1a.pdf

Service Manual ViewSonic PJ452 Model No. VS10948 LCD Projector (PJ452_SM Rev. 1a DEC. 2005) ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583 Copyright Copyright 2005 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 Revision SM Editing Date ECR Number Description of Changes Editor 1a 12/9/05 Initial Release BonnieT. ViewSonic Corporation Confidential - Do Not Copy PJ656 i TABLE OF CONTENTS 1. Precautions and Safety Notices 1 2. Specification 2 3. Names of each part 3 4. Adjustment 5 5. Troubleshooting 11 6. Service points 16 7. Wiring diagram 30 8. Disassembly diagram 34 9. Replacement parts list 42 10. RS-232C commands 43 11. Block diagrams 51 12. Connector connection diagram 52 13. Basic circ