Text preview for : HP-Bench-Briefs-1982-11-12.pdf part of HP HP-Bench-Briefs-1982-11-12 HP Publikacje HP-Bench-Briefs-1982-11-12.pdf
Back to : HP-Bench-Briefs-1982-11-1 | Home
for normal levels of background pacitance-easiest way In most cases, the problem will be
and trace illumination. to check is by substitut- found by this process, and with a
ing another diode (HP high level of confidence in the cor-
3. Observe the HV oscillator cur- part no. 1901-0028). rective action.
rent. Normal current is approxi-
mately 650 mA to 800 mA. HV Partial conduction of If you did not observe excessive cur-
Excessive current is >900 mA. DISABLE A15Ql-disconnect col- rent, the problem is either inter-
f CIRCUIT lector of A15Q1. If cur- mittent or temperature related and
monitoring the current for a longer
4. If current is excessive, start r e n t is now n o r m a l
checking the following compo- troubleshoot HV dis- period with the covers on will prob-
nents in the following order: able circuit. ably do the trick.
Part No 5952-0112 @Hew1lett-Packard 1982
WWW.HPARCHIVE.COM
- .- - __
led for making microwave sca- Oscillosc ope Accessories
measurements with confidence.
tiled information is presented
Microwave Measuring Tech-
niques - Applications informa-
tion on scalar reflection and
transmission measurements, fre-
auency, Dower, and noise figure -
measurements. Includes tab1ilar
comparisons of accuracy and rel-
.r ._.. . _
_
auve costs or various .cecnniques.
-1. ..-L ~ 2 _I--?_.
I -
-
Also includes a list of pert,inent Probing In Perspective (HP Part No.
HP Application Notes. 5952-1892)
For many years, oscilloscopes have
been the chief test and analysis in-
0 Equipment Selection Tables -
struments used by electronic engi-
Band-by-band listings of hard-
neers and technicians. I n recent
ware model numbers required for
years, new techniques and compo-
reflection a n d insertion loss
nents have extended oscilloscope
measurements in coax and wave-
measurement capabilities to many
guide.
oaxial & Waveguide Measurement Acces- new applications. However, the os-
xies Catalog (HP Part No. 5952-8262) cilloscope is a useful measurement
instrument only if the test signal
0 Associated Instruments - Other
om individual components can be accurately coupled to the
electronic equipment commonly
nple enough. Most scalar amplifiers. In many applications, the
used i n microwave measuring
rement tecnniques ror amen-
1 . 1 P.
.-. _LA_-
setups-signal generators, syn
voltage probe is the only practical
method to pick off and apply the
1
'
or SWR are very straightfor- thesizers, sweepers, spectrunn
and well described i n the signal. With the increased band-
analyzers, network analyzers 9
ure. So it would seem all you widths in today's scopes, one probe
power meters and counters.
cannot be used for all measure-
ments. This application note pro-
vides an approach that will allow
0 Coaxial and Waveguide Instru-
But, like a chain, a measuring sys- you to select the best probe for most
mentation Tables - A listing of
tem is only as strong as its weakest commonly encountered oscilloscope
product model numbers by func-
link. You need components de- measurement situations. Major
tion vs. frequency range for coax
signed for measurement results-no areas covered are:
and waveguide.
electrical or physical incompatibili-
ties, no surprises. That's why HP How to select the most accurate
offers a broad line of measurement 0 Connectors - Information on scopdprobe for a particular mea-
components designed for just t h a t coaxial connectors and wave- surement.
results. guide flanges. Includes compre-
hensive c h a r t of waveguide How to quickly evaluate a given
HP has introduced many microwave specifications. scopdprobe for its adequacy in a
measurement advances, both i n particular measurement situation.
hardware and in techniques. This If you would like a copy of this cat-
catalog brings together that tech- alog, contact your local HP Sales How to quickly estimate errors
nical a n d product information and Service office. caused by the probe.
2 BENCH BRIEFS NOVEMBER-DECEMBER 1982
WWW.HPARCHiVE.COM
Almost any probdscope combination a probe that reduces the error to an probe determines whether or not the
can be used to view a waveform. acceptable (or known) level. Proper full accuracy potential of your
However, m a k i n g a c c u r a t e probe selection i n c r e a s e s t h e oscilloscope is realized.
measurements requires careful confidence you c a n place i n
attention to proper probe selection. oscilloscope measurements. True, If you would like a copy of this
part of your confidence comes from catalog, contact your local H P Sales
Since all probes inherently create knowing your scope, but the right and Service office.
some error, the objective is to select
More on Printed Circuit
Board Rework, Repair,
and Cleaning
If you found the article on rework-
ing and cleaning printed circuit
boards interesting, there is more.
rrlarly 111UIt: guuu up LIcal rrllcruucupt:
and SEM photographs-such as the
one below.
If you are interested in learning
c more on printed circuit board reli-
ability, contact your nearest H P
sales or service office about the fol-
lowing video tapes.
Printed Circuit Board Reliability - den drite (den' drit), n. 1. Geol. a. a branch- Thls particular form of dendrlte was caused
36 min. HP part 90660R ing figure or marking, resembling moss or a by excesslve use of circuit cooler during
shrub or tree in form, found on or in certain troubleshooting. The board surface was se-
stones or minerals due to the presence of a verely dlsturbed due t o the radlcal ternper-
Printed Circu: Re- foreign material. b. any arborescent crystalline ature change. This created a fissure,
liability - 25 ilR growth. 2. Anat. the branching process of a provldlng the gold a route to grow, follow-
neuron which conducts impulses toward the cell. ing the path of least resistance between the
See diag. under neuron. dlfferent potentlals of the adjacent traces.
Analysis of Multilayer Ceramic Ca- The result Is a resistive short between the
pacitors - 27 min. HP part 90662R two traces.
1
NOVEMBER-DECEMBER 1982 BENCH BRIEFS 3
WWW.HPARCHIVE.COM
HP-IB Verification Programs
Many Hewlett-Packard instruments with HP-IB capability have calculator-controlled programs available that can
save you considerable time in verifying instrument operation. Most programs are documented with instructions,
/7
listing, flowchart, check points, etc. For more information on the programs listed below, contact your local HP office.
MODEL TAPE PART NO. PROGRAM D O C U M E N T A T I O N
30428 Network A n a l y z e r 03042-90211 (9825A) 3042A Manual
3045A Spectrum Analyzer 03045-10001 (9825A) 3045A Manual
3047A S p e c t r u m A n a l y z e r w:i t h 35601-10001 (984513) 35601A Manual
35601-10011 (98361 )
4 3560 1 A Manual
03050-90230 (98251!) 3050B Manual
03050-90212 (9830A) 3050B Manual
03052-90011 (9825A) 3052A Manual
03052-10002 (9835A) 3052A Manual
03052-10004 (9835B) 3052A Manual
03052-10008 (9845B) 3052A Manual
30546 Voltmeter System 03054-10002 (9835A) 3054A Manual
03054-10005 (9845B) 3054A Manual
3335 izer 03335-10001 (9825A) 3335A Manual
3437 03437-10001 (9825A) 3052A Manual
3455 03455-10001 (98301i ) 3052A Manual
3
03455-10002 (98251 3052A Manual
3495 u39y3- I uuu I (Y03UA) 3495A Manual
03495-10002 (98258) 34956 Manual
3582A Spectrum Analyzer 03582-10001 (9825A) 3582 Manual
3585A Spectrum Analyzer 03585-10001 (98258) 3585 Manual
37201 A HP-IB Extender 37201-18100 (9825A) 37201 A Manual
37203A HP-IB Extender 37203-12101 (9825A) 372036 Manual
3745A S e l . L e v e l Meas. S e t 03745-1 8003 (9825A) 3745A/B-52 S e r v Note
3745B S e l . L e v e l Meas. S e t 03745-1 8003 (9825A) 3745A/B-52 S e r v Note
3747A S e l . L e v e l Meas. S e t 03745-18003 (9825A) 3747A/B-23 S e r v Note
3747B S e l . L e v e l Meas. S e t 03745-18003 (98258) 3747A/B-23 S e r v Note
4 BENCH BRIEFS NOVEMBER-DECEMBER 1982
WWW.HPARCHIVE.COM
5005B Signature Multimeter 59300-10002 (85A) 5005B Manual
5150A Thermal Printer 59300-10001 (9825A) 5050A-4 Serv Note
5312A ASCII Interface (5300B) 59300-10001 (9825A) 5312A-2 Serv Note
5312A HP-IB Interface Module 59300-10002 (85A) 5312A-4A Serv Note
5316A Universal Cntr. 59300-10002 (85A) 5316A-3A Serv Note
53286 Universal Cntr.(Opts.011 , 59300-10001 (9825A) 5128A-17 Serv Note
020,021,030,031,040,041)
5328A Universal Cntr.(Opt.H99) 59300-10001 (98256) 5328A/H99 Manual
53286 Universal Cntr. 59300-10001 (9825A) 5328A/H42 M;
(Opt. 096/H42)
c 5328A Universal Cntr. (Opts.011, 59300-10002 (85A)
020,021,030,031,040,041)
ire
53288-33B Serv ro,
5328A-34B Serv Note
5328A Universal Cntr.(military) 59300-10002 (85A)
5335A Universal Cntr. 59300-10001 (9825A) 5335A Manual
59300-10002 (85A) 5335A-7B Serv Note
5340A Frequency Cntr.(Opt.011) 59300-10001 (9825A) 5340A-11 Serv Note
5341A Frequency Cntr.(Opt.Oll) 59300-10001 (9825A) 5341A Manual
53426 Microwave Cntr. (Opt.011) 59300-10001 (9825A) 5342A Manual
5342A Microwave Cntr.(Opts.002, 59300-10002 (85A) 5342A-32A Serv Note
011)
P
5343A Microwave Cntr. (Opt .011) 59300-10001 (9825A) 5343A Manual
5343A Microwave Cntr. (Opts.004, 59300-10002 (85A) 5343A-llA Serv Note
011)
53445 Microwave Source Synchro. 59300-10002 (85A) 53443 Manual
5345A Electronic Cntr.(Opt.011) 59300-10001 (9825A) 5345A-9A Serv Note
NOVEMBER-DECEMBER 1982 BENCH BI
WWW.HPARCHIVE.COM
--~--___ ~ ------
I
-
5345A Electronic Cntr.(Opt.012) 59300-10001 (98258) 5345A-12A S e r v Note
5345A E l e c t r o n i c Cntr.(Opt.011) 59300-10002 (85A) 5345A 19A S e r v N o t e
5345A E l e c t r o n i c Cntr.(Opt.012) 59300-10002 (85A) 5345A-20A S e r v N o t e
5353A Channel C Plug-In 59300-10001 (9825A) 53536-1 S e r v N o t e
5354A 4 GHz Frequency C n t r . 59300-10001 (9825A) 5354A-6 S e r v N o t e
5355A A u t o m a t i c F r e q g e n c y C n v t r . 59300-10001 (9825A) 5355A Manual
5358A Measurement S t o r . P l u g - i n 59300-10001 (9825A) 5358A Manual
5359A Time Synthesizer 59300-10001 (9825A) 5359A Manual
53636 Time I n t e r v a l Probes 59300-10001 (9825A) 5363A-2 S e r v N o t e
5363B Time I n t e r v a l Probes 59300-10001 (9825A) 5363B Manual
5370A Univ. Time I n t v . Cntr. 59300-10001 (9825A) 5370A-1A S e r v N o t e
5420A/B D i g i t a l S i g n a l A n a l y z e r 05420-69002 (9825A/B) Supplied with t a p e
5423A S t r u c t u r a l Dynamics Ana. 05420-69002 (9825A/B) Supplied with t a p e
59301A ASCII/Parallel Cnvtr. 59300- 1000 1 59301-2 S e r v N o t e
59303A Digital-to-Analog Cnvtr. 59300-10001 593038-1 S e r v N o t e
59304A Numeric D i s p l a y 59300-10001 59304A-1 S e r v N o t e
59306A Relay Actuator 59300-10001 59306A-4 S e r v Note
59307A VHF S w i t c h 59300-10001 59307A-3 S e r v N o t e
59308A Timing G e n e r a t o r 59300-10001 59308A-1 S e r v N o t e
59309A D i g i t a l Clock 59300-10001 59309A-3 S e r v Note
5931311 Analog-to-Digital C n v t r . 59300-10001 59313A Manual '
1
59500A Multiprogmr. I n t e r f a c e 14551-13001 Supplied with t a p e
6034A Power S u p p l y 06034-10002 06034-10002 K i t Manual
69321B D/A Voltage Converter 14551-13001 Supplied with t a p e
6940B Multiprogmr. 14551-13001 Supplied with t a p e
694 1 B Multiprogmr. Extndr. 14551-13001 Supplied with t a p e
6942A Multiprogmr. 14710-13001 Supplied i n classroom
69xxx M u l t i p r o g m r . P l u g - I n Cds. 14551-13001 (9825A) Supplied with t a p e
7220 Graphics P l o t t e r 07220- 1 800 1 ( 9825A) Supplied with t a p e
5010-2585 (85A) Supplied with t a p e
( o r d e r from C P C )
5957-3862 (85A) Supplied with t a p e
( o r d e r f r o m SDD)
6 BENCH BRIEFS NOVEMBER-DECEMBER 1982
WWW.HPARCHIVE.COM
7221 Graphics Plotter 07221-18010 (264~) Supplied with t a p e
50 10-2585 (85A) Supplied with t a p e
( o r d e r from CPC)
5957-3862 (85A) Supplied with t a p e
( o r d e r from SDD)
7 Graphics Plo ter with 07225-1 8002 ( 9 8 2 5 A ) Supplied with t a p e
1 7 6 0 0 Module 07225-18003 ( 9 8 1 5 ) Supplied with t a p e
4 5010-2585 (85A) Supplied with t a p e
R
( o r d e r f r o m CPC)
5957-3862 (85A) Supplied with t a p e
( o r d e r f r o m SDD)
7225 Graphics Plotter with 09872-1 8001 (9825A) Supplied with tape
1 7 6 0 1 Module 09872-18002 (9835A) Supplied with tape
09872-1 8003 (9845B) Supplied with tape
5010-2585 (85A) Supplied with tape
( o r d e r from CPC)
5957-3862 (85A) Supplied with t a p e
( o r d e r f r o m SDD)
7225 Graphics Plotter with 07220-18001 (9825A) Supplied with t a p e
1 7 6 0 3 Module 5010-2585 (85A) Supplied with tape
( o r d e r from CPC)
5957-3862 (85A) Supplied with tape
( o r d e r f r o m SDD)
7245 Plotter/Printer 07245-1 800 1 ( 9 8 2 5 6 ) Supplied with tape
07245-18002 ( 9 8 3 5 / 4 5 ) Supplied with t a p e
"7 7310 Graphics Printer 07310-18001
07310-18002
(2647)
(9835)
Supplied with tape
Supplied with tape
7470 Graphics Plotter 5010-2585 (85A) Supplied with tape
( o r d e r from CPC)
5957-3862 (85A) Supplied with t a p e
( o r d e r f r o m SDD)
7580 Drafting Plotter 5010-2585 (85A) Supplied with tape
( o r d e r f r o m CPC)
5957-3862 (85A) Supplied with t a p e
( o r d e r f r o m SDD)
7585 Drafting Plotter 5010-2585 (85A) Supplied with tape
7 ( o r d e r from C P C )
5957-3862 (85A)
( o r d e r f r o m SDD)
Supplied with tape
'j
8160A P r o g r a m m a b l e P u l s e Gen. 08160-39910 (9825A) Supplied with tape
8409B Network A n a l y z e r 11863-10004 (9835/45) 8409B, 11 863D Manual
8409C Network A n a l y z e r 11 863-10006 (9845B) 8409C, 11863F Manual
8409D Network A n a l y z e r 11 863-10005 (9826B) 8409C, 11 863E Manual
NOVEMBER-DECEMBER 1982 BENCH BRIEFS 7
. ~ ~ - - - 1--_1_- _ I _ _ _ _ _ _ I __
WWW.HPARCHIVE.COM
_ P
I -
- -l_L-- l__ ---- _______
one-half the line voltage in 220 or If your generator falls into the above
Safety- Related 240 volt AC applications. For 100 group, use the order form at the rear
/1 Service Notes or 120 volt AC lines this is a neu- of Bench Briefs and order Safety-
tral trace. Service Note 3336AIBIC-5A-2,which
Service Notes from HP relating to will tell you to return your unit to
personal safety and possible equip- All 3325As in use in 220- or 240- the nearest HP Service Center for
volt AC applications must be re- repair.
. ment damage are of vital impor-
tance t o our customers. To make turned to the closest HP Service
Center for the proper corrective ac-
you more aware of these important
notes, they are printed on paper tion. Users operating 3325As from
with a red border, and the service 100- or 120-volt AC lines have two 6034A System Power
note number has a "-S" suffix. In options: 1) return the unit to HP Supply
order to make you immediately for service or 2) order the Safety-
aware of any potential safety prob- Service Note 3325A-llA-S with the
lems, we are highlighting safety- order form at the rear of Bench
related service notes here with a Briefs and perform the steps de-
brief description of each problem. scribed in the note.
Also, in order to draw your atten-
tion to safety-related service notes 3336A/B/C Synthesizer/
on the service note order form at the
back of Bench Briefs, each appro- Level Generator
priate number is highlighted by
being printed in color. The AC and NEUTRAL wires are
3 reversed at the rear panel power
module on units with serial num-
3325A Synthesizer/
Function Generator bers 2141A00592 and below. As a
result, the line fuse is located in the
NEUTRAL side of the power line.
"7 This wire reversal does not affect
A potential shock hazard may exist the operation of the unit, and under
in units operated from 220- or 240- normal conditions, will not be haz-
volt AC lines. The spacing between ardous to the operator. However, if
circuit board traces on the power a n internal AC short to chassis
supply assembly does not comply ground occurs and the external
with IEC 348 requirements. Refer ground path has been broken, the
to the following serial numbers to chassis would be at AC potential
see if your instrument requires cor- with no fuse.
~~ I rective action.
A shock hazard may exist on all ex-
posed BNC connector shells on gen- To correct the problem, exchange the
erators with serials 1748A00101 3336A 1930A00409 through AC and NEUTRAL wires at the AC
through 1748A06800. A trace on the 1930A00530 power module inside the rear panel.
underside of t h e A2 PC board 3336B 1931A00396 through For detailed instructions, order
(03325-66502) could pass less than 1931A00570 Safety-Service Note 6034A-5-S with
0.5mm from the edge of the instru- 3336C 1932A00276 through the order form at the rear of Bench
ment subchassis. This trace carries 1932A00340 Briefs.
For one thing they are free. What Do Service Notes Say? you of a revised adjustment pro-
@Service Notes recommend modifi- cedure, recommended parts re-
For another they provide an after- cations to instruments to increase placements, and new trou-
3 sales support link to Hewlett-
Packard for a continuous flow of
reliability, improve performance,
or extend their usefulness.
bleshooting procedures.
Safety Service Notes communi-
service-related information about Notes are used to inform cate potentially hazardous condi-
your instrument. tions related t o the use of
instruments.
NOVEMBER-DECEMBER 1982 BENCH BRIEFS 9
WWW.HPARCHIVE.COM
What Are The Benefits To Me? 2. Read the abstract to get an idea available from Hewlett-Packard un-
You can create a history file on each of what the note is about. der the following part numbers.
HP instrument you own. Service
Notes describe modifications to in- 3. If You want the note (01notes - Library Manuals only
struments out in the field and are many times there is more than 5951-6505
the only way you have of keeping One), check the appropriate Subscription Manuals only
your operating and service manual On the Order form and 5081-5812
mail i t to one of the listed
up-to-date. addresses. Library Service Notes only
5951-6511
-- - o _ _ - -
HOW u I Obtain
I -
Y e r v i C e Notes
- - . C--L---:-A:--
ouuacrlpLlurl 0--2-- h T - A - - --'I--
ne1 v1ce I Y u L e s U l l l Y
Are Back Issues Available?
Inside Bench Briefs is an abstract of 5951-6517
yes! A library of all service notes
all the current Service Notes issued ever issued for most HP measure- Library Manuals & Notes
Over the last 2 3months' At the
1 - merit and test instruments is avail- 5951-6523 I
Subscription Manuals & Notes
able on microfiche. In addition, a
library of operating and service 5951-6529
A. Y""lL ALL Y l l V UU""lU"" l "
l " *I
" "IIV
manuals is also available on mi- Please contact your nearest H P
model number of your crofiche. These two libraries and Sales or Service office for prices and
instrument. updating subscription service are ordering details.
4 V V C l t L AG V U L l M t I ttl 1805A DUAL CHANNEL VERTICAL
N\.JA,)IL,I I I( / I I \ I U 400EEL-2B. All serials. Recommended replacement AMPLIFIER
i l parts.
400E/EL-13. W E serials 1208A 29593 and below;
r
m
placement for A9T1.
Rplfy6 400EL serials 2214A 28523 and below. (Option
H99 instruments only.) Improved Option H99 Line 3060A CIRCUIT TEST SYSTEM
indicator light operation. 3060A-51. All serials. New Volume IC-CCD Manual.
LII 1 h ui I
ud; L L
L L: I n .--- - 4OOF/FL AC VOLTMETERana. . .
.-. .--- serials UY5UA 14305
~wI-/I-L-I.
4001-
. . ---- .
below;
~
3325A SYNTHESIZER/FUNCTION
GENERATOR
4MFL Serials 2213A 14250 and below. (Option 3325A-11A-S. Serials 1748A00101 through
Need Any Service H99 instruments only.) Improved Option H99 Line
indicator light operation.
1748A06800. Notification of potential safety
hazard.
Notes? 400GL AC VOLTMETER
400GL-3. 400GL serials 0943A 03870 and below.
3:
325A-12. Serials 1748A-05825 and below. Proce-
dure for installing Rev E power supply.
(Option H99 instruments only.) Improved Option 3336A/B/C SYNTHESIZER/LEVEL
Thev're free! H99 Line indicator light operation. GENERATOR
~ I C A I P ~ P A . 4-
: t.
L u r v PI u--tn. oooun a i r iaia - IVI- u
A ~ I I C A
pr
4oanrnnAnn.
I =ilvnVv.tu~,
652A TEST OSCILLATOR 33368 serials prior to 1931A00396; 33360 serials
Here's the latest listing of Service 652A-6. All serials. Replacement procedure for the prior to 1932A00276. Procedure for replacing
range switch (Sl). 3336A/B/C Rev A, Rev B, Rev C or Rev D pow&
Notes. They recommend modifica- supplies (A2 PC board) with the 3336A/B/C Rev E
tions to Hewlett-Packard instru- 13108 GRAPHICS GENERATOR SYSTEM power
^^^^. supply. X ~ A . . iYH)AWU~UY tnrougn
,-,- -. - ----. ---.-
-.--.. .
reliability, 13108-2. All serials. Explanation of Blue Stripe Board xdmA/tvL-w+s. serials
~
Exchange Program. 1930A00530; 33368 serials 1931A00396 through
e, or extend 1931AOO570; 33366 serials 1932A00276 through
1311B GRAPHICS GENERATOR SYSTEM 1932A00340. Trace spacing discrepancy in Revi-
1311B-6. All serials. Explanation of Blue Stripe Board sion D power supply-22OV/24OV applications.
Exchange Program. 3336A/B/C-9. Spare Parts Service Kit.
itthe rear of 3437A SYSTEMS VOLTMETER
13178 GRAPHICS GENERATOR SYSTEM
the notes that 13178-2. All serials. Explanation of Blue Stripe Board 3437A-8. All serials. Parts recommendation for on-site
ents. Exchange Program. repair.
:OPE 13218 GRAPHICS GENERATOR SYSTEM 3455A DIGITAL VOLTMETER
!low. Modification to 13218-2. All serials. Blue Stripe Board Exchange 3455A-20A. All serials. 3455A Service Kit 03455-
shock during failure Program. 69801 replaced by Service Kit 44055C.
1340A X-Y DISPLAY 3456A DIGITAL VOLTMETER
'IGURE METERS 1340A-5. Serials 2038 and below. Modification to im- 3456A-18. All serials. 3456A Service Kit 03456-69801
1940A03366 to prove LVPS performance. replaced by Service Kit 440568.
s 1930A03371 to 3456A-14. Serials 2201A06299 and below. Modifica-
event the diode cur- 1351A/S GRAPHICS GENERATOR SYSTEM tion to enhance analog circuitry.
320 from shorting to 1351A-1: All serials. Explanation of Blue Stripe Board 3456A-17. All serials. 3456A Service Kit 03456-69800
n rack mount ver-
, Exchange Program. replaced by Service Kit 44056A.
1351s GRAPHICS GENERATOR SYSTEM 3476NB DIGITAL MULTIMETER
JRCE 1351 All serials. Explanation of Blue Stripe 3476A-2A. All Serials. General SeWiCe infOnllatiOn
!037A01457. Modifi- Board Exchange Program. regarding replacement parts for 3476A.
IO MHz oscillation. 34768-6. All serials. General service information
1645A DATA ERROR ANALYZER regarding replacement parts for 34768.
1645A-8. All serials. Resistors incorrectly loaded on
10388A interface.
EMBER-DECEMBER 1982
WWW.HPARCHIVE.COM
35558 TRANSMISSION AND NOISE 5180A-2. Serials 2210A00220 and below. Modifica- HP Part Number 08553-60059 for HP 8559A com-
MEASURING SET tions to Z OUT, +15V regulator and TRIG OUT patibility with HP 853A Spectrum Analyzer Display.
35558-5. Serials 0992A03536 and below. Improved circuits on the A25 rear panel assembly. 8559A-12. Serial prefix 2208A and below. "Anti-
power supply. 5180A-3. Serials 2044A00200 and below. Modification crush" Drive Hub and Reference Level knob.
to prevent possible oscillation of the +15V reg- 8559A-13. Serials 2208A and below. Improved Log
3586A/B/C SELECTIVE LEVEL METER ulator circuit on A25 rear panel assembly. Amplifier Assembly.
3586A/B/C-9. Field replacement kits for the A50 Step 5180A-4. Serials 2224A00310 and below. Modification
to prevent possible noise problems associated with 8565A SPECTRUM ANALYZER
Loop and A51 Summation Loop assemblies.
the TRIG OUT circuit on the A25 rear panel 8565A-16A. All serials. Log Amplifier adjustment.
3586A/B/C-10. All serials. Announcement of service
spare parts kit for HP model 3586A/B/C Selective assembly.
5180A-5. Serials 221OAOO211 and below. Modification 8566A SPECTRUM ANALYZER
Level Meter.
to A8 and A9 high speed memory assemblies to 8566A-18. Serials 2139A and below. Modifications to
correct bad data points. A13 HP-IB interface.
3711A IF/BB TRANSMITTER
5180A-6. Serials 2220A00300 and below. Input
3711-2. All serials. Part number change for IF 8569A SPECTRUM ANALYZER
amplifier static protection and frequency bandwidth
Attenuator. 8569A-7. Serials 2113A00220 and below. Suppres-
modifications.
5180A-7. All serials. AC line protections (mains) fuse sion of 70 kHz sidebands.
3712A IF/BB RECEIVER change.
3712-5. All serials. -15V rail fuse blowing 5180A-9. All serials. ROWEPROM replacement 8672A SYNTHESIZED SIGNAL GENERATOR
(intermittently). strategy. 8672A-10A. All serials. Option 008 Retrofit for greater
3712-6. All serials. Part number change for IF power output.
Attenuator. 5335A UNIVERSAL COUNTER
5335A-15. Serials 2224 and below. Modification to 8683A SIGNAL GENERATOR
37308 DOWN CONVERTER. improve the performance of the X10 Attenuator 8683A-1. Serials 2208A and below. Improvement of
37308-2. All serials. Part number change for OPT 010 Circuitry in Option 040. pulse overshoot.
IF Attenuator.
5342A MICROWAVE FREQUENCY 8970A NOISE FIGURE METER
37708 TELEPHONE LINE ANALYZER COUNTER 897OA-1. Serials 21 16A and below. Improvement of
37708-26. All serials. Preferred replacement of power 5342A-37. Serials 2104A04095 and below. Replace- power measurement by eliminating oscillation.
supply switching transistors HP part number ment for A10U6 Divide-by-NAssemblies. 8970A-2. All serials. Recommended modification upon
1854-0665. 5342A-38. Serials 2244A06615 and below. A18 Time A8Q1 replacement.
Base Buffer and A21 Power Supply Assembly
3779A/B/C PRIMARY MULTIPLEX compatibility. 64000 LOGIC DEVELOPMENT SYSTEM
ANALYZER 5342A-39. Serials 2228A and below. Resistors 64000-OD. Service note index.
3779A-23. All serials. Service accessories for per- required when changing A10U2 Divide-by-N
formance tests. Assemblies. 64100A LOGIC DEVELOPMENT STATION
3779A-24. All serials. Preferred replacement of ROMs 64100A-13. All serials. Washing with harsh soaps or
5343A MICROWAVE FREQUENCY
on A23. solvents will cause the water base paint to be
37798-25. All serials. Service accessories for per- COUNTER removed.
formance tests. 5343A-14. Serials 2104A00335 and below. Replace-
37798-26. All serials. Preferred replacement of ROMs ment for A10U6 Divide-by-N Assemblies. 64110A LOGIC DEVELOPMENT SYSTEM
on A23. 5343A-15. Serials 2204A and below. ROM change MAINFRAME
3779C-5. All serials. Service accessories for perfor- corrects miscounts and limit errors in manual 641 10A-2. All serials. Incorrect power supply failure
mance tests. mode. LED indications.
3779D-5. All serials. Service accessories for perfor- 5343A-16. Serials 2228A and below. Resistors 641 10A-3. All serials. Low line trip adjustment.
mance tests. required when changing A10U2 Divide-by-N 64110A-4. Serials 2225A-00293 and before. Over-
Assemblies. power shutdown.
3785NB JITTER GENERATOR AND 5343A-17. Serials 2232A00845 and below. A1 8 Time 64110A-5. All serials. Washing with harsh soaps or
Base Buffer and A21 Power Supply Assembly solvents will cause the water base paint to be
RECEIVER Compatibility.
3785A-2. Serials 2226U 00210 and below. Improve- removed.
ment in synthesizer buffer loading. 64155A-1. 64155A wide address memory controller;
37856-2. Serials 2216U 00130 and below. Improve-
53448 MICROWAVE SOURCE board numbers 64155-66501. Modification to allow
ment in synthesizer buffer loading. SYNCHRONIZER addressing of 2 megabytes of emulation memory.
53448-1. Serials listed in text. Board change corrects
3964A INSTRUMENTATION TAPE remote command being ignored after local lockout. 642XX EMULATOR SUBSYSTEM
RECORDER 64202-38. 64202A 8080 Emulator Subsystem.
5451C FOURIER ANALYZER SYSTEM Emulator Pod with repair numbers 2013A00420
3964A-19. All serials. Mislabeled FM data PCAs. 5451 C-06. All serials. 54440A Filter adjustment
and below. User wait state failures.
procedure.
3968A INSTRUMENTATION TAPE 64203A-7. 64203A 8085 Emulator Subsystem.
5451C-07. All serials. 54420A DAC adjustment Emulator Pod serial prefix numbers 2241 and
RECORDER procedure.
3968A-21. All serials. Mislabeled FM data PCAs. above. Parts list for "user cable with active
6034A POWER SUPPLY
4935A TRANSMISSION IMPAIRMENT 6034A-5-S. Serials 2141A-00592 and below. Re- 64 I.
versed AC and neutral (ACC) at power module. d
MEASURING SET e
4935A-7. Serials 2208A and lower. Modification
required to make new transformer backward
8447C SERIES AMPLIFIERS
8447C-1. Serials 1937A and below. Modificationkit for 64215A-1. 64215A 6809 Emulator Subsystem.
compatible. Emulator Pod serial prefix numbers 2250 and
4935A-8. Serials 2208 and below. Modification to im- replacement amplifier.
above. Parts list for "user cable with active
prove reliability of output level control. 8557A SPECTRUM ANALYZER assembly."
3557A-4. Serials 2106A and below. Modification Kit 64262A-3. 64262A 8048 Emulator Subsystem.
4940A TRANSMISSION IMPAIRMENT HP Part Number 00853-60057 for HP 8557A com- Emulator Pod serial prefix numbers 2240 and
MEASURING SET patibility with HP 853A Spectrum Analyzer Display. above. Parts list for "user cable with active
4940A-16. Serials 1401A and below. (New prefix 8557A-5. Serials 2106A and below. Improved Log assembly."
2240A with 0837-0252.) Power supply improve- Amplifier Assembly.
ment and mini repair. 645XX PROM PROGRAMMER
85588 SPECTRUM ANALYZER 64500s-2. 645008 Positive PROM programmer. Se-
50058 SlGNATlIRE MULTIMETER 85588-16A. All serials. Changing standard 8551 B into
B rial prefix 1924A. ID code failure.
5005B-1. Serials listed ir1 text. Function select error 75 ohm Option 001 or 002. 64502A-2.64502A programmer module. Verify failure.
when returning to remote. 85586-23. Serials 2145A and below. Modificai
.~~~~ ~.-~ tion Kit
HP Part Number 00853-60058 for HP 85581 com-3 64621A STATE ANALYSIS CONTROL
5046A DIGITAL IC TEST SYSTEM patibility with HP 853A Spectrum Analyzer DIisplay.
_.__
5046A-2. All serials. List' nf IC text r _ U _ _ which
oroarams .....
.- . ~~
85588-24. Serials 2142A ana below. improved Log
BOARD
have been revised. 64621A-1. Serial prefix 2144A. -12VDC in Clock/
Amplifier Assembly. Preprocessor Control cable.
5180A WAVEFORM RECORDER 8559A SPECTRUM ANALYZER
51MA-1, All serials. Improved adjustment procedures 85650A QUASI-PEAK ADAPTER
8559A-11. Serials 2208A and below. Modification Kit 85650A-3. All serials. Correct AC mains fuses.
for XYZ display circuit.
NOVEIMBER-DECEMBER 1982 BENCH BRIEFS 11
WWW.HPARCHIVE.COM
If you want service notes, ,please ' For European customers (ONLY) Name
check the amwopriate boxes below Firm
and return, this -form separately to Hewlett-Packard
one of the following addresses. Central Mailing Dept. Address
P. 0. Box 529
Hewlett-Packard Van Hueven Goedhartlaan 121 city
1820 Embarcadero Road AMSTELVEEN-1134
Netherlands State ZIP