Ordering Information; Replaceable Parts - HP 204B Operating And Service Manual

Model 204B
Section VI
Paragraphs 6-1 to 6-7
S E C T I O N V I
REPLACEABLE P A R T S
6-1. INTRODUCTlON.
6-2. This section contains information for ordering
replacement parts. Table 6-1 l i s t s p a r t s in alpha-
numerical o r d e r of their reference designators and
indicates the description and
@ stock number of each
part, together with any applicable notes. Table 6-2
lists p a r t s in alpha-numerical o r d e r of their
@
stock
numbers and provides the following information on
each part:
a. Description of the part (see list of abbreviations
below).
b. Typical manufacturer of the p a r t in a five-digit
code; s e e list of manufacturers in appendix.
c. Manufacturer's stock number.
d. Total quantity used in the instrument (T& column).
e. Recommended s p a r e p a r t quantity for complete
maintenance during one year of isolated service
available upon request.
6-3.
Miscellaneous p a r t s not indexed in table 6-1 are
listed at the end of table 6-2.
6 - 4 . ORDERING INFORMATION.
6-5.
To order a replacement part, address order o r
inquiry to your authorized Hewlett-Packard Sales o r
Service Office. A map of all Hewlett-Packard Field
Offices is provided f o r your use a t the r e a r of the
manual.
6-6. Specify the following information for each part:
a. Model and complete s e r i a l number of instrument.
b. Hewlett-Packard stock number.
c. Circuit reference designator.
d. Description.
6-7. To order a p a r t not listed in Tables 6-1 and 6-2,
give complete description of the part and include its
function and location.
A = assembly
B = motor
C
=
capacitor
CR = d i o d e
DL = delay line
DS = device signaling (lamp)
E = misc electronic part
A = amperes
BP = bandpass
BWO = backward wave
CER = ceramic
CM0
=
cabinet mount only
COEF= coefficient
COM = common
COMP= c om p s i t i on
CONN= connection
CRT
=
cathode-ray tube
DEPC= deposited carbon
EIA
=
Tubes or transistors
meeting Electronic
Industries' Associa-
tion standards will
normally result in
instrument operating
within specifications;
tubes and transistors
oscillator
selected for best
performance will be
by @ s t oc k numbers.
ELECT electrolytic
ENCAP
encapsulated
supplied if ordered
REFERENCE DESIGNATORS
F
= fuse P plug
F L = filter
Q
= transistor
J
=
jack
R
= r es i s t or
K = relay
L = inductor
M
=
meter
MP = mechanical part
RT
=
thermistor
S
= switch
T
=
transformer
ABBREVIATIONS
F
= farads NC
FXD = f i x e d NE
NO
GE = germanium NPO
GL = glass
GRD = ground(ed)
H = henries
NSR
= normally closed
= neon
=
normally open
= negative positive zero
(zero temperature
coefficient)
not separately
replaceable
HG = m e r c u r y
HR
=
hour@)
IMPG = impregnated
INCD
=
incandescent
INS = insulation(ed)
K = kilo
=
1000
LIh' = linear taper
LOG = logarithmic taper
6
M
=
meg
= 10
MA = milliamperes
MINAT = miniature
METFLM= metal film .
MFR = manufacturer
MTG = mounting
MY =
mylar
OBD = order by de-
scription
P = p e a k
P C
= printed circuit
board
P F
= picofarads =
10-12 farads
P P = peak-to-peak
PIV = peak inverse
POR = porcelain
POS = position(s)
POLY= polystyrene
POT = potentiometer
RECT= rectifier
ROT = rotary
RMS = root- mean- square
RMO = rack mount only
voltage
V = vacuum tube, neon
bulb, photocell, etc.
W = c a b l e
X
= socket
XF = fuseholder
XDS = lampholder
2 =
network
S-B = slow-blow
SE = selenium
SECT= section(s)
SI
= silicon
SIL = silver
SL = slide
TA =tantalum
TD = time delay
TI = titanium dioxide
TOG
=
toggle
TOL = tolerance
TRIM= t r i m m er
TWT = traveling wave tube
u
=
micro = 10
VAC =vacuum
VAR
=
variable
W/ = with
W
= watts
Ww = wirewound
W/O =without
*
= optimum value
selected
at
factory,
average value
shown (part may
be omitted)
-6
=nu m be r
01369-3
6- 1