Viewsonic VA912-4 VA912b-4 SM Rev[1].1b free download

File name VA912-4_VA912b-4_SM_Rev[1].1b.pdf

Service Manual ViewSonic VA912-4 VA912b-4 Model No. VS10867 19" Color TFT LCD Display (VA912-4_VA912b-4_SM Rev. 1b 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 11/09/05 Initial Release G. Han 1b 12/01/05 Add assembling, handling notice, packing, firmware documents Jamie Chang ViewSonic Corporation Confidential - Do Not Copy VA912-4_VA912b-4 i TABLE OF CONTENTS 1. Precautions and Safety Notices 1 2. Specification 5 3. Front Panel Function Control Description 11 4. Circuit Description 13 5. Adjustment Procedure 24 6. Troubleshooting Flow Chart 52 7. Recommended Spare Parts List 55 8. Exploded Diagram and Exploded Parts List 61 9. Block Diagram