Model 8903B Replaceable Parts
Section
6
REPLACEABLE PARTS
6-1.
INTRODUCTION NOTE
This section contains information for ordering parts.
Table 6-1 lists reference designations, and Table
6-2
lists abbreviations used in the parts list and through-
out the manual. Table 6-3 lists all replaceable parts
in reference designator order. Table
6-4
contains the
names and addresses that correspond to the manufac-
The total quantity for each part is given
only once, that is, at the first occurrence
of
the part number in the list. The total
quantities for optional assemblies are
to-
talled by assembly and not integrated into
the standard list.
turer’s code numbers.
6-2.
ABBREVIATIONS
Table 6-2 lists abbreviations used in the parts list,
schematics, and throughout the manual. In some
cases, two forms
of
the abbreviation are used, one
all in capital letters, and one partial
or
no capitals.
This occurs because the abbreviations in the parts
list
are always all capitals. However, in the schematics
and other parts of the manual, other abbreviation
forms are used with both lower case and upper case
letters.
6-3.
REPLACEABLE PARTS LIST
Table 6-3
is
the list of replaceable parts and is organ-
ized as follows:
a.
Electrical assemblies and their components in
alphanumeric order by reference designation.
6-4.
FACTORY SELECTED PARTS
(*)
Parts marked with an asterisk
(*)
are
factory selected
parts. The value listed in the parts list is the nominal
value. Refer
to
Sections
5
and
8
of this manual for
information on determining what value to use for
replacement.
6-5.
PARTS LIST UPDATING
(MANUAL UPDATES)
Production changes to the Audio Analyzer made after
the publication
date
of this manual are accompanied
by
a
change in the serial number prefix. Changes to
the parts list are recorded by serial number prefix
on an addition or replacement page(s). The MANUAL
UPDATE pages can be ordered by filling out and
returning the DOCUMENTATION UPDATE
SERVICE REQUEST reply card found in the begin-
ning of this service manual.
b.
Chassis-mounted parts in alphanumeric order by
reference designation.
6-6.
ILLUSTRATED
PARTS
BREAKDOWNS
Most mechanical
parts
are identified in Figure 6-1
through 6-5. These figures are located at the end of
the replaceable parts table.
6-7.
ORDERING INFORMATION
c. Mechanical parts.
The information given for each part consists of the
following:
a. The Hewlett-Packard part number.
b.
Part number check digit (CD).
c.
The total quantity (Qty)
for
the entire instrument
except for option assemblies. (See following note.)
The description
of
the part. d.
e.
A
typical manufacturer of the part in a five-digit
code.
f.
The manufacturer’s number for the part.
To order a part listed in the replaceable parts table,
include the Hewlett-Packard part number (with the
check
digit)
and the quantity required. Address the
order to the nearest Hewlett-Packard office. The
check digit will ensure accurate and timely processing
of your order.
To order a
part
that is not listed in the replaceable
parts table, include the instrument model number,
instrument serial number, description and function
of the part, and the quantity of parts required. Address
the order to the nearest Hewlett-Packard office.
6-1
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