vii
SCHILLER AT-2plus 6-Channel ECG Unit
SERVICE HANDBOOK Issue d May 2002
What's in this book
The service philosophy for the
AT-2plus Memory
is fault finding to module level. The purpose of
this book is to provide all the information necessary to enable the service engineer to efficiently
locate and replace a faulty module. This book assumes no detailed knowledge of the
AT-2plus
Memory
but does require that the service engineer is familiar with standard workshop practices.
The book is divided into the following chapters:
Chapter 1 - Operating Elements
The purpose of this chapter is to provide an easy reference for all the main operator functions and
to give a basic introduction to the
AT-2plus Memory
. This chapter gives details of the operator
controls with the operation and function of each key briefly explained. The information in this
chapter provides a background to the operating functions only. Complete operating information
is provided in the SCHILLER
AT-2plus
User Guide.
Chapter 2 - Functional Overview
This chapter provides a functional overview of the
AT-2plus Memory
. The description is supported
by functional block diagrams.
Chapter 3 - Fault Diagnosis
This chapter provides a guide to locate a fault to module level. The diagnostics are presented in
a logical sequence of fault finding algorithms and procedures. Illustrations are provided to support
the text where needed.
Chapter 4 - Module Removal and Replacement
This chapter gives an overview of the physical construction of the
AT-2plus Memory
with the
main physical attributes of the unit briefly described. The physical description is supported by
illustrations showing the internal location of all modules. Removal and replacement instructions
for all removable modules are also provided in this chapter. Each procedure is autonomous with
details of tools, jumper settings, adjustments and settings or special requirements that are required
before and after replacement. Functional checks that must be carried out after replacing a module
are also provided.
Chapter 5 - Adjustments
This chapter provides all adjustments and settings. Also detailed in this chapter are basic functional
test procedures that can be performed to check the functioning of the unit.
Chapter 6 - Spare Parts
This chapter provides the part numbers and reordering information for all replaceable modules.
Also included in this chapter are details of any special test equipment or special tools required for
adjustment or fault finding procedures.
