Introduction; Ordering Information; Non-Listed; Parts Changes - HP 3455A Operating And Service Manual

Model 3455A
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. Naiscellanenis parts are listed at the end of Table 6-3.
6-4. 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-LISTED 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., Ag, or A with a number subscript, e.g., Ayo. A 4 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 (+) in the reference desig-
Table 6-1. Standard Abbreviations.
kilohm{s} = 104 3 ohms
. . -kiloherz = 10+ 3 nertz
mernpece(s) = 10-3 amoeres
= 1076 her
'megohented - 10S se
asrarnarous
WOM ssrictesganee negetive positive zero a)...
{zero temperature costficient) 'SPOT.
nosecondis! = 10-9 seconds SPST.
Not separately replaceable
- .tingle-pata double: throw
ingie-pole single-throw
cee Bhemst
order by description
T112 picoampereta)
. Deled circuit
dis) 1012 Carads
Desk inverse voltage = vacw jernating current warking voltage
. part of var es Workabte
-poshions) — vdow «direct current working vohtaga
«polystyrene
(temoerature costficient,
long turm stability and/or tolerance)
+ fesistor
SRRxESSS
6-1