Introduction; Performance Verification Procedures; Strategy For Servicing - Tektronix DTG5078 Service Manual

Introduction

Performance Verification Procedures

Strategy for Servicing

DTG5078 & DTG5274 Data Timing Generator Service Manual
This manual contains information that is needed to properly service the
DTG5000 Series Data Timing Generator as well as general information that is
critical to safe and effective servicing.
To prevent personal injury or damage to the data timing generator, consider the
following before attempting service:
H The procedures in this manual should be performed only by a qualified
service person.
H Read the General Safety Summary on page xi and the Service Safety
Summary, beginning on page xiii.
H Read Installation in Operating Information.
When using this manual for servicing, be sure to follow all warnings, cautions,
and notes.
The performance check described in the Performance Verification section should
be done every 12 months. In addition, a performance check is recommended
after module replacement.
If the data timing generator does not meet performance criteria, repair is
necessary.
Throughout this manual, the term, module, refers to any field-replaceable
component, assembly, or part of the data timing generator.
This manual contains all the information needed for periodic maintenance of the
data timing generator. Further, it contains all information for corrective
maintenance down to the module level. To isolate a failure to a module, use the
troubleshooting procedures found in the Maintenance section. To remove and
replace any failed module, follow the instructions in the Removal and Installa-
tion Procedures subsection. After isolating a faulty module, replace it with a
fully-tested module obtained from the factory. The Replaceable Mechanical
Parts section contains part number and ordering information for all replaceable
modules.
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