Section 9 - 2445A/2455A Service
REPLACEABLE
ELECTRICAL PARTS
PARTS ORDERING
INFORMATION
Replacement parts are available from or
through
your local
Tektronix, Inc. Field Office
or
representative.
Changes
to
Tektronix instruments are sometimes made
to
accommodate improved components
as
they become available,
and to give you the benefit of the latest circuit improvements
developed in
our
engineering department. It is therefore impor-
tant, when ordering parts,
to
include the following information in
your
order: Part number. instrument type
or
number, serial
number. and modification number
if
applicable.
If a part you have ordered has been replaced
with
a new
or
improved part, your local Tektronix, Inc. Field
Office
or
represen-
tative will contact you concerning any change
in
part number.
Change information, if any, is located at the rear of this
manual.
LIST
OF
ASSEMBLIES
A list of assemblies can be
found
at the beginning of the
Electrical Parts List. The assemblies are listed
in
numerical order.
When the complete component number of a part is known, this list
will identify the assembly in which the part is located.
CROSS INDEX-MFR.
CODE
NUMBER
TO
MANUFACTURER
The Mfr. Code Number to Manufacturer index
for
the
Electrical Parts List is located immediately after this page. The
Cross Index provides codes, names and addresses of manufac-
turers of components listed
in
the Electrical Parts List.
ABBREVIATIONS
Abbreviations conform
to
American National Standard
Y1
.1.
COMPONENT
NUMBER (column one of the
Electrical Parts List)
A numbering method has been used
to
identify assemblies,
subassemblies and parts. Examples of
this
numbering method
and typical expansions are illustrated by the following:
E11ample
a.
component number
-----..
A23R1234 A23 R1234
~~
Read: Re•
l1tor
1234
of
Al
•embly 23
E11ample
b.
component number
A23A2R1234 A23
A2
R1234
Assembly
~
Subassembly
~
,L__
number
Circuit
number
Read: Re•
i1tor
1234
of
Suba
••
embly 2
of
A11embly
23
Only
the circuit number will appear on the diagrams and
circuit board illustrations. Each diagram and
circuit
board
illustration is clearly marked with the assembly number.
Assembly numbers are also marked
on
the mechanical exploded
views located in the Mechanical Parts List. The component
number is obtained by adding the assembly number prefix
to
the
circuit number.
The Electrical Parts
List is divided and arranged by
assemblies in numerical sequence (e.g., assembly
A1
with
its
subassemblies and parts, precedes assembly A2 with its sub-
assemblies and parts).
Chassis-mounted parts have no assembly
number
prefix
and are located at the end of the Electrical Parts List.
TEKTRONIX PART NO. (column two
of
the
Electrical Parts List)
Indicates part number
to
be used when ordering replace-
ment part from Tektronix.
SERIAL/MODEL NO. (columns three and four
of the Electrical Parts List)
Column three (3) indicates the serial number at
which
the
part was first used. Column
four
(4) indicates the serial number
at
which
the part was removed.
No
serial number entered indicates
part is good
for
all serial numbers.
NAME &
DESCRIPTION
(column five
of
the
Electrical Parts List)
In the Parts List,
an
Item Name is separated from the
description by a colon (:). Because of space limitations.
an
Item
Name may sometimes appear
as
incomplete. For further Item
Name identification, the U.S. Federal Cataloging Handbook
H6-1
can be utilized where possible.
MFR. CODE (column six
of
the Electrical Parts
List)
Indicates the code number of the actual manufacturer of the
part. (Code
to
name and address cross reference can be found
immediately after this page.)
MFR. PART NUMBER (column seven of the
Electrical Parts List)
Indicates actual manufacturers part number.
9-1
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