Replaceable Parts - HP 5254C Operating And Service Manual

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
mi
lli
=
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