Section 8 -
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 fist
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
10
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
:
E•ample
•·
component number
-------
A23R1234 A23 R1234
~~
Read:
Resistor 1234 of Aaaembly 23
E•ample
b.
component number
A23A2R1234 A23
A2
R1234
Assembly
~
Subassembly
~
,L__
number
Circuit
number
Read: Realator 1234 ol Subaaaembly 2
of
Assembly 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
par1
from Tektronix.
SERIAL/MODEL NO. (columns three and four
of
the Electrical Parts List)
Column three
(3)
indicates the serial number
a1
which
1he
part was first used. Column
four
(4)
indica1es1heserial numbera1
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
I1em
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.
8-1
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