HP 3478A Technical Manual page 62

5-1. INTRODUCTION 5-1. INTRODUCTION
5-2. 5-2. This This section has section
replacement parts. replacement parts.
alphameric order of their reference designators and alphameric order of their reference designators and
indicates the description, -hp- Part Number of each part, indicates the description, -hp- Part Number of each part,
together with any applicable notes, and provides the together with any applicable notes, and provides the
following: following:
a. a. Total q Total quantity uantity used
column). The total qu column). The total quantity
time the part number appears. time the part number appears.
b. b. Description Description of the of the part.
in in Table 5-1. Table 5-1.) )
c. c. Typical manufact Typical manufacturer of
code. (See code. (See Table 5-2 Table 5-2 for list of for list of manufacturers.)
d. d. Manufacturers Manufacturers part num part number.
5-3. Miscellaneous and 5-3. Miscellaneous and Chassis Parts
end of end of Table 5-3. Table 5-3. A A disassembly
instrument is also included with the Miscellaneous and instrument is also included with the Miscellaneous and
Chassis Parts listing. Chassis Parts listing.
5-4. 5-4. ORDERING ORDERING INFORMATION INFORMATION
5-5. 5-5. To obtain rep To obta in replacement par lacement parts, ad
inquiry to to your inquiry your local local Hewlett-Packard Hewlett-Packard Office.
has information information for for ordering
Table 5-3 lists the parts in Table 5-3 lists the parts in
used in t in the he instrument instrument (QTY
antity of a part of a part is given the is given the first
part. (See ab (See abbreviations breviations listed
urer of the part the part is a five is a five-digit
manufacturers.)
ber.
Chassis Parts are listed a are listed at the
disassembly procedure procedure of of the
ts, address order dress order or or
Office.
Table 5-1. 1. Standard Table 5-
SECTION V SECTION V
REPLACEABLE PARTS REPLACEABLE PARTS
Locations are listed at the Locations are
parts b parts by th
instrument model and serial number. instrument model and serial number.
ordering
5-6. 5-6. NON-LISTED PARTS NON-LISTED PARTS
5-7. To obtain a part t 5-7. To obtain a part that is not listed,
a. a. Instrument
b. b. Instrument
(QTY
c. c. Description
first
d. d. Function and loca
listed 5-8. PARTS CHANGES 5-8. PARTS CHANGES
5-9. 5-9. Components which h Components
-digit
marked by one of three symbols; i.e., marked by one of three symbols; i.e.,
subscript, e.g., subscript, e.g.,
. . A A
∆ ∆
10 10
is the preferre is the preferred replacement for
with a letter subscript indicates a change which is with a letter subscript indicates a change which is
∆ ∆
t the
explained in a note at the b explained in a
the
number subscript indicates the related change is number subscript indicates the related change is
discussed in backdatin discussed in backdating (Section
subscript indicates the number of the change in subscript indicates the number of the change in
backdating which should be referred to. backdating which should be referred to.
5-10. PROPRIETY PARTS 5-10. PROPRIETY PARTS
(Office (Office
5-11. 5-11. Items marked w
Standard Abbreviations Abbreviations
5-1 5-1
listed at the back of this manual.) back of this manual.) Identify
y their Hewlett eir Hewlett-Packard Part -Packard Part Numbers.
hat is not listed, include:
Instrument Model Num Model Number
Instrument Serial Num Serial Number ber
Description of the of the part. part.
Function and location of the tion of the part.
which have b ave been ch
, or , or with a number subscript, e.g., with a number subscript, e.g.,
∆ ∆ ∆ ∆
a a
with no subscript indicates the component listed with no subscript indicates the component listed
∆ ∆
d replacement for an earlier component
note at the bottom of the page. ottom of the page. A A
g (Section VI).
Items marked with a dagge ith a dagger (t) in t
TM 11-6625-3071-14 TM 11-6625-3071-14
Identify
Numbers. Include Include
include:
ber
part.
een changed anged are so are so
, , with a letter with a letter
∆ ∆ ∆ ∆
an earlier component. . A A
∆ ∆ with a with a
VI). The number of the The number of the
r (t) in the reference he reference