Viewsonic VA915-1 SM 1a free download

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Service Manual ViewSonic VA915-1 Model No. VLCDS27944-3 19" Color TFT LCD Display (VA915_SM Rev. 1a May 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 05/26/05 Initial Release A. Lu ViewSonic Corporation Confidential - Do Not Copy VA915 i TABLE OF CONTENTS 1. Precautions and Safety Notices 1 2. Specification 3 3. Front Panel Function Control Description 12 4. Circuit Description 19 5. Adjustment Procedure 20 6. TroubleShooting Flow Chart 30 7. Recommended Spare Parts List 34 8. Exploded Diagram and Spare Parts List 41 9. Block Diagram 42 10. Schematic Diagrams 43 11. PCB Layout Diagrams 53 ViewSonic Corporation Confiden