Model
343XA
Section VI
SECTION
VI
REPLACEABLE PARTS
6-1.
INTRODUCTION.
6-6.
NON-LISTED PARTS.
6-7. To obtain a part tliat is not listed, include:
6-2. This section contains inforliiation for ordering replace-
nient parts. Table 6-3 lists parts in alphameric order of their
a. Ir~strument
nod el
number.
reference designators and indicates tlie description,
-11p-
b. Instrument serial number.
Part Nurnber of each part, together with any applicable
c.
Description of the part.
notes. and provides
Ihe followi~ig:
d. Function and location of the part.
a.
Total quantity used
ill
tlie instru~ne~it (Qty column).
The total quantity of
a
part is given the first time the part
6-8.
PARTS CHANGES.
number appears.
6-9. Components wliich have bccn changed are
so
marked
b. Description
ot'
the part. (See list
of
abbreviiitions ill
by one of three symbols; i.e.,
A,
A
with a letter subscript,
Table
6-1
.)
e.g., A,, or
A
witli a number subscript, c.g., A,
,,.
A
A
with
c. Typical manufacturer of
the part is a five-digit codc.
no
subscript indicates tlic component listed is the preferred
(See Table
6-2 for list of manufacturers.) replacement for an earlier component.
A
A with a letter
d. Manufacturer's part number.
subscript indicates a change which is explained in a note at
tlie bottom of tlie page.
A
A
with
a
number subscript
6-3. Miscellaneous parts are listed in Table
6-3
following
the is discussed in backdating
their respective assemblies. General miscellaneous parts are
(section ~111).
~l~~
number
the subscript indicates the
listed at the conclusion of Table 6-3.
nuniber of the cllanee in backdatine which should be
6-4.
ORDERllUG INFORMATION.
referred to.
6-5. To obtain replace~iicnt parts, address order or inquiry
6-10.
PROPRIETARY PARTS.
to your local ticwlett-Packard Field Office. (See Appendix
A for list
of
office 1ocations.j Identify parts by their 6-11. Itoils marked by a dagger
(t)
in the reference
Hewlett-Packard part
~~umbers. Include instrument model designator column are available only for repair and service
2nd scrial numbers.
of
I-lewlett-Packard instruments.
Table
6-1.
Standard Abbreviations.
I
ABBREVIATIONS
sliver
Hz hertz lcyclelrl per recondl NPO
negaflve
por8t~ve
zero
4
dl&
dlumlm?~m lrero lem~eralure coeff~c~entl SPDT 18ngle pole double throw
ampere!$] ID
lnrlde
d~ameter
nr
nanorecondlrl
-
I0 recondr SPST ssngle pole rlngle throw
A" gold ~mpg 8mpregnared
npr
not
reparalely replaceable
tncd lncanderenl Ta rantalum
C
cer
coel
corn
comp
Con"
deP
DPDT
DPST
ele~l
encap
F
FET
fxd
deposited
douhle pole doul,le throw
double pole rfngle throw
faradlsl
held effect
rranrlrfor
Isxed
L l"d"Ct0,
lhn
linear
taper
109 logarlthm~c taper
m~ m~ll~amperelrl 10
3
amperes
MH? megahertz 10+6 hertz
M61 megohmlrl 1of6 ohms
met flm metal
film
mfr manufacturer
ml mall~recond
mt9 movnrlng
mv mlll,"ol,!rl 10
3
volts
PF mlcrofarad!rl
R
ohmlsl
obd order by derriptlon
OD Outsld~ dlameter
P
peak
PA
pacoamperelrl
w
prlnled
c~rcvtl
PF
~lcofaradlll 10
l2
farads
PC" peak ~nverre uoltapr
pi0 par, Of
Pol p~slllonlsl
Polv polyrryrene
DO,
po,en,,ome,er
P
P peak
to
peak
"om
Ddrls
per mllllon
prec
prec#lmn
!temperature coell~~nt
long term rCablllly andlor rolerdncel
TC temperature calI~c8enr
T802 ~lianlum dmx8de
'09 toggle
101 tolerance
trim
Lrlmmer
TSTR lranl~sta
v
"01t11l
V~CW
allernat8ng
current
worktng volt-
var
var!dble
vdcw dsrecf
current
wakbngvollarp
GHZ
glgah~rtl 10'9 hertz
PV
mlcrovo~tis~
106~~1~~ ~h
rhodium
guardled1 mv
M~I.~~
rmr
root
mean
yluare
optimum
value re~ecced
at
factory
I
P.
-
rot
aver=- value shown lpart may be omltlrdl
I
henryllerl NP
mercury NO
A
awmbly FL
B
m~l~r HR
BT
battery IC
C capac~lor
J
CR
diode
K
DL delay lqne L
DS
lamp
M
E
~IY
electrontc part MP
F
lure P
neon
Prct
normally open
'I
DESIGNATORS
f,lter
0
heater OCR
Inleg?aledc#rcull
R
la~k RT
relay
S
lnduclor T
meter TB
mchanlcal par! TC
plug TP
"0
<tanclard lype number aalgned
Pelenwm
relecled
or
wectal type
I
YC~I~"!SI
s#l#con
@
Dupont
&
Nemourr
~ranrwor
TS termfoal (trap
lranrlst~rd80de
U
m#~roc#r~~mt
rexwor
V vacuum lube
neon
bulb ,,ho,ocell
etr
fhermtrtor
W
cahle
rwltch X mcket
crandormer XDS lam~holder
termma1 board XF fureholder
lh~rmo~ouple
Y
cryrlal
re51
pol"!
Z
nelwrk
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