Service manual

TABLE OF CONTENTS
1. Precautions and Safety Notices................................................................. 1
3. Front Panel Function Control Description................................................ 8
4. Circuit Description.......................................................................................19
5. Adjustment Procedure................................................................................23
6. Trouble Shooting Flow Chart................................................................ .....51
7. Block Diagram.............................................................................................55
8. Schematic Diagrams....................................................................................56
9. PCB Layout Diagrams.................................................................................82
10. Exploded Diagram And Exploded Parts List...........................................90
11. Recommend Spare Parts List...................................................................93
ViewSonic Corporation Confidential - Do Not Copy N4251w-1M
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2. Specification.................................................................................................3