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HP 3455A Operating And Service Manual page 72

Digital voltmeter
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Model
34S5A
Section
VI
SECTION
VI
REPLACEABLE PARTS
6-1.
INTRODUCTION.
6-2.
This
section contains
information
for
ordering
replace-
ment
parts.
Table
6-3
lists
parts
in
alphameric order
of
their
reference designators
and
indicates the description, -hp-
Part
Number
of each
part,
together with
any
applicable
notes,
and
provides the following:
a.
Total quantity used
in
the instrument
(Qty column).
The
total
quantity
of
a
part
is
given the
first
time
the part
number
appears.
b.
Description
of
the
part.
(See abbreviations
listed in
Table
6-1.)
c.
Typical
manufacturer of
the part
in
a
five-digit
code.
(See
Table 6-2
for
list
of
manufacturers.)
d.
Manufacturers
part
number.
6-3.
Miscellaneous
parts
are
listed at
the
end of
Table
6-3.
64.
ORDERING INFORMATION.
6-5.
To
obtain replacement
parts,
address order or inquiry
to
your
local
Hewlett-Packard
Field Office. (Field
Office
locations are
listed at
the
back of
the
manual.)
Identify
parts
by
their
Hewlett-Packard
part
numbers.
Include
instrument
model
and
serial
numbers.
6-6.
NON-LISTEO
PARTS.
6-7.
To
obtain
a part that
is
not
listed,
include:
a.
Instrument
model number.
b.
Instrument
serial
number.
c.
Description
of
the
part.
d.
Function and
location
of
the
part.
6-8.
PARTS CHANGES.
6-9.
Components
which
have
been changed
are
so
marked
by one
of
three
symbols;
i.e..
A,
A
with
a
letter
subscript,
e.g..
A
3
,
or
A
with
a
number
subscript,
e.g.,
A|
0
.
A
A
with
no
subscript indicates the
component
listed
is
the preferred
replacement
for
an
earlier
component.
A A
with
a
letter
subscript indicates a
change which
is
explained
in
a
note
at
the
bottom of
the
page.
A A
with
a
number
subscript
indi-
cates
the
related
change
is
discussed
in
backdating
(Section
VII).
The number of
the subscript indicates the
number
of
the
change
in
backdating
which
should be
referred
to.
6-10.
PROPRIETARY
PARTS.
6-11.
Items
marked
by
a
dagger
(t)
in
the reference
desig-
Table
6-1.
Standard
Abbreviations.
6-1

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