Service manual

Revision 2/18/05 2 - 1
System Overview
Chapter 2
Introduction
VIASYS Neurocare’s latest generation of
neurodiagnostic products run on Pentium 4 platforms
using the Windows XP Professional operating system.
They are:
• Endeavor CR
• VikingQuest
• VikingSelect
These products are designed to perform tests within the
following modalities:
• Electromyography (EMG)
• Nerve Conduction Studies (NCS)
• Evoked Potentials (EP)
• Electroencephalogram (EEG)
This chapter provides the background information and
general hardware/software descriptions required to
successfully maintain and service these products.
Block diagrams and board descriptions system
components are aimed at the LRU (Least Replaceable
Unit) level. An LRU is the lowest level assembly that
can be efficiently and effectively replaced in the field.
The LRU descriptions are arranged by “functional
units” - groups of assemblies related by a common task.
VikingQuest Portable
Endeavor CR Portable System
VikingSelect System