Service manual

Chapter 1
FileStore Service Manual 1
Introduction
This manual is designed to provide the information required to diagnose and repair faults on
the FileStore E01 and E20 units and the Stacking FileStore E01S, E40S and E60S units,
developed by Acorn Computers Limited of Cambridge, England.
The information contained in this manual is for the use of engineers who will be servicing the
above units. It includes a specification of each unit, circuit descriptions, disassembly and
assembly details and faultfinding procedures.
The manual is divided into four parts:
 Part I covering the FileStore E01 twin floppy-disc unit
 Part II covering the FileStore E20 hard disc unit
 Part III covering the Stacking FileStore E01S twin floppy-disc unit
 Part IV covering the Stacking FileStore E40S and E60S hard disc units.
The Appendices at the back of the manual contain:
 An Appendix describing the test software that can be used for testing all possible
combinations of FileStore types.
 An Appendix containing the parts lists for FileStore and Stacking FileStore units.
 An Appendix containing the relevant drawings and diagrams for FileStore and
Stacking FileStore units.