HP 5254C - SECTION VI REPLACEABLE PARTS; INTRODUCTION TO PARTS; ORDERING INFORMATION

Model
5254C
Section
VI
SECTION
VI
REPLACEABLE
PARTS
6-1.
INTRODUCTION.
6-2.
This
section contains
information
for ordering
replacement
parts. Table
6-1
lists parts
in
alpha-
numerical
order
of their reference
designators
and
indicates
the
description and §>,
stock
number of
each
part, together
with any
applicable
notes. Table
6-2
lists
parts in alpha-
numerical order
of their
stock
number and
provides the
following
information
on
each
part:
a.
Description
of the part (see
list of
abbreviations
below}.
b.
Typical
manufacturer of the
part
in
a five-digit
code; see
list of
manufacturers in Table
6-3.
c.
Manufacturer's
part
number.
d.
Total quantity
used
in the instrument (TQ
column)
.
6-3, Miscellaneous
parts are listed
at the end of
Table
6-1.
6-4.
ORDERING
INFORMATION.
6-5.
To
order a
replacement
part, address
order
or
inquiry
to
your local
Hewlett-Packard Field
Office
(see
lists
at rear of
this manual for
addresses).
6-6.
Specify
the
following
information for
each
part:
a.
Model
and complete
serial number of
instrument.
b.
Hewlett-Packard stock
number,
c.
Circuit
reference
designator.
d.
Description.
6-7.
To order
a part not
listed
in Tables
6-1
and
6-2,
give a
complete
description
of the
part and
include its function
and location.
REFERENCE
DESIGNATORS
A
=
assembly
F
=
fuse MP
=
mechanical
part
V
=
vacuum, tube, neon
B
=
motor
FL
=
filter
P
=
plug bulb, photocell, etc.
BT
=
battery
IC
=
integrated circuit
Q
=
transistor
VR
=
voltage regulator
C
=
capacitor J
=
jack R
=
resistor
W
-
cable
CP
=
coupler
K
=
relay
RT
-
thermistor X
=
socket
CR
-
diode
L
=
inductor
S
=
switch Y
=
crystal
DL
=
delay line LS
=
loud speaker T
=
transformer
Z
=
tuned cavity,
DS
=
device signaling (lamp)
M
-
meter TB
=
terminal board network
E
=
misc electronic
part
MK
=
microphone
TP
=
test point
A
=
amperes
AFC
=
automatic frequency
control
AM
PL
=
amplifier
BFO
=
beat
frequency oscillator
BE CU
=
beryllium copper
BH
-
binder head
BP
=
bandpass
BRS
=
brass
BWO
backward wave oscillator
CCW
-
counter-clockwise
CER
ceramic
CMO
-
cabinet
mount only
COEF
=
coefficient
COM
=
common
COMP
composition
COMPL
=
complete
CONN
=
connector
CP
-
cadmium plate
CRT
cathode -ray tube
CW
=
clockwise
DEPC
-
deposited carbon
DR
=
drive
ELECT
=
electrolytic
ENCAP
=
encapsulated
EXT
external
F
farads
FH
=
flat head
FIL
H
=
fillister head
FXD
fixed
G
-
giga
(10
9
)
GE
=
germanium
GL
glass
GRD
=
ground(ed)
ABBREVIATIONS
H
=
henries N/O
HDW
-
hardware NPO
HEX
-
hexagonal
HG
mercury
HR
=
hour(s) NPN
HZ
=
hertz
NRFR
IF
intermediate freq
IMPG
=
impregnated
NSR
INCD
-
incandescent
INCL
-
include(s)
INS
=
insulation(ed)
OBD
INT
-
internal
OH
K
-
kilo
=
1000
OX
LH
=
left hand
P
PC
LIN
-
linear taper
PF
LK WASH
-
lock
washer
LOG
=
logarithmic taper
PH
BRZ
LPF
low pass filter
PHL
M
milli
=
10'
3
PIV
MEG
-
meg
=
10
3
PNP
MET
FLM
=
metal
film
t> /n
MET
OX
=
metallic
oxide
Jr
/
VJ
POLY
MFR
=
manufacturer
PORC
MHZ
=
mega
hertz
POS
MINAT
miniature
POT
MOM
momentary
pp
MTG
-
mounting
PT
MY
=
”
mylar'
'
PWV
N
=
nano
(10
-9
)
RECT
N/C
=
normally
closed
RF
NE
neon RH
NI
PL
=
nickel plate
normally open
negative positive zero
(zero temperature
coefficient)
negative-positive-
negative
not recommended for
field
replacement
not separately
replaceable
order by description
oval
head
oxide
peak
printed circuit
picofarads
=
10'
^
farads
phosphor bronze
Phillips
peak
inverse voltage
positive-negative-
positive
part of
polystyrene
porcelain
position(s)
potentiometer
peak-to-peak
point
peak
working
voltage
rectifier
radio
frequency
round head or
right
hand
RMO
=
rack
mount only
RMS
=
root-mean square
RWV
reverse working
voltage
S-B slow-blow
SCR
=
screw
SE
=
selenium
SECT
-
section(s)
SEMICON
=
semiconductor
SI
=
silicon
SIL
=
silver
SL
-
slide
SPG
spring
SPL
=
special
SST
=
stainless steel
SR
=
split
ring
STL
=
steel
TA
tantalum
TD
=
time delay
TGL
toggle
THD
=
thread
TI
=
titanium
TOL
tolerance
TRIM
=
trimmer
TWT
traveling wave
tube
U
=
micro
-
10“
9
VAR variable
VDCW
=
dc
working volts
W/
with
W
=
watts
W1V
working
inverse
voltage
ww
-
wirewound
W/O
-
without
01194-13
6-1