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Preface
This
is
the Service Manual for the
TAS
475 and
TAS
485 Analog Oscillo-
scopes. This manual provides you with both service and limited operation
information.
Use the Introduction section to
learn what the
TAS
475 and
TAS
485 Analog
Oscilloscopes
can
do
and about the available options and accessories.
Use the Operation section to
learn about applying power. This section also
contains brief examples of how to use the controls.
Use the Specifications section
as
a reference for all nominal, warranted, and
typical characteristics for the
TAS
475 and
TAS
485 Analog Oscilloscopes.
Use the Theory section to help you understand the operation of the oscillo-
scope to the block level.
Use the Performance Verification section to verify the functionality and war-
ranted characteristics of the
oscilloscope.
Use the Adjustment section
to
bring the
TAS
475 and
TAS
485 Analog Oscil-
loscopes into conformance with the warranted characteristics listed
in
the
Specifications section.
You
should adjust the oscilloscope if indicated by the
Performance Verification procedures.
Use the Maintenance section to
learn how to perform general maintenance
of
your product. Procedures to disassemble and troubleshoot the oscillo-
scope are also located in this section.
Use the Replaceable Electrical Parts List section for a
list of the electrical
parts.
Use the Diagrams section for troubleshooting the
oscilloscope. This section
contains board
dollies, block diagrams and schematics for each board.
Use the Replaceable Mechanical Parts List section for a
list of the mechani-
cal parts.
TAS 475 and TAS 485 Service Manual
xiii
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