UMAX Data Systems Astra 1220U User Manual

Contents
1. Introduction .........................................................................................1
The Astra 1220U..........................................................................................................1
Scanner Specifications................................................................................................1
2. Electronic Systems.............................................................................3
Astra 1220U Electronic Systems.................................................................................3
The Opto-Mechanical ..................................................................................................4
Function Block Diagram ..............................................................................................5
VIDEO Test Timing Diagram (Pixel)............................................................................6
VIDEO Test Timing Diagram (Line).............................................................................6
CCD Test Timing .........................................................................................................7
Component Connectors...............................................................................................8
3. Component Assemblies ....................................................................16
Component Assembly Overview ...............................................................................16
Component Replacement Kits...................................................................................16
Astra 1220U Main Components ................................................................................21
4. Troubleshooting Guide.....................................................................28
Maintenance Notice...................................................................................................28
Cleaning and Repair Suggestions.............................................................................28
5. Environment vs. Performance .........................................................29
Overview....................................................................................................................29
Shock and Vibration...................................................................................................29
Temperature ..............................................................................................................29
Humidity.....................................................................................................................30
Dust............................................................................................................................30
Aging..........................................................................................................................30
Appendix A .............................................................................................31
Board Outline Diagrams ............................................................................................31
Appendix B .............................................................................................33
Scanner Outline Diagram ..........................................................................................33
Appendix C .............................................................................................34
Component Replacement Kits for UTA-3A................................................................34
Transparency Adapter Main Components.................................................................37
Main Components and Outline Diagram ...................................................................43
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UMAX Data Systems Astra 1220U Specifications

General

Brand	UMAX Data Systems
Model	Astra 1220U
Category	Scanner
Language	English