Fluke II Series Service Manual page 11

Introduction
and
Specifications
INTRODUCTION
INTRODUCTION
1-1.
This
manual
presents service information for
the
Fluke
70, 73, 75, 77, 21,
and 23
Series
II
Multimeters.
The
manual
includes
a
theory of
operation, general
maintenance
procedures, performance
tests,
calibration procedures, troubleshooting information, a
list
of replaceable
parts,
and schematic diagrams.
A
meter under
warranty
will
be promptly
repaired or replaced
(at
Fluke's
option)
and
returned
at
no
charge.
See
the registration card
for
warranty
terms.
If
the warranty has
lapsed, the
meter
will
be
repaired
and
returned for
a fixed fee.
Contact
the nearest
Service Center
for information and
prices.
A
list
of U.S. and
International
Service
Centers
is
included
at
the
end of
Section
4
of
this
manual.
ORGANIZATION
OF
THE
SERVICE
MANUAL
1-2.
The
following
descriptions briefly describe
each
section in the
manual.
SECTION
1.
INTRODUCTION
AND
SPECIFICATIONS
This
section describes
use of the Service
Manual
and
application
of
special terminology
(conventions)
to
describe the meter's
circuitry.
A
complete
set
of
specifications appears
at
the
end of
this section.
SECTION
2.
THEORY
OF OPERATION
This section
first
categorizes
instrument
circuitry into functional blocks,
with a
descrip-
tion
of each block's
role in overall operation.
A
detailed
circuit
description
is
then given
for
each
block.
These
descriptions
explore operation to the
component
level
and
fully
support troubleshooting and
repair
procedures defined
in
Section
3.
SECTION
3.
MAINTENANCE
Provides complete maintenance
information,
from
general
maintenance and
cleaning
instructions to detailed
troubleshooting and
repair
procedures
to the
component
level.
Troubleshooting and
repair
procedures
rely heavily
on
both the
Theory
of Operation
presented in Section
2 and
the
Schematic Diagrams
shown
in Section
5.
SECTION
4.
LIST
OF REPLACEABLE PARTS
Includes parts
lists
for
all
standard assemblies. Information
on
how
and where
to
order
parts
is
also provided.
SECTION
5.
SCHEMATIC DIAGRAMS
Includes
schematic diagrams
for
all
assemblies.
1-3