Service Manuals, User Guides, Schematic Diagrams or docs for : HP Publikacje HP-Bench-Briefs-1978-01-04
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0
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SERVICE INFORMATION FROM HEWLETT-PACKARD
JANUARY-APRIL 1978
r'
I~T~UMENT HP customer setvice is based on the technical assistance. You are wel-
?` S ICE
capabilities of highly skilled and spe- come to call an HP repair center for
cially trained people in a large number advice.
o well equipped, fully stocked repair
f
What`s Available, centers around the world. High-speed PARTS SUPPORT
And How to Get I t communication and shwing channels
link these faciliies to HP factories and Each repair center maintains its own
rs 50 that we can respond large parts inventory.
your stmice R88ds.
When ordering a replacement part,
IW w service program m t of &s please spedfy:
five elements, with a wide range of 0 The HP part number
options available. These five elements The complete part name (as listed
are: in the operating and senrice man-
Repair Centers ual).
0 PaftssUpport W you need help identifying either the
0 S e Agreements
w name or number, call UIP tr amk-
o
0 Training tam.
Documentation
If you have an urgent time-critical re-
REPAIR CENTERS pair, you can request special handling
and premium freight via the HP "hot-
HP instrument repair centers are lo- line" to obtain the part in the shortest
cated in major industrial areas around possible time. (There`b a premium
the wrld. freight charge for this senrice.) If yaur
When sending in equipment, you equipment is located in remote amas
shouid clearly describe the problem or if the instrument d m t i m e b M-
When you purchase Hewlett-Packard cal, you might also consider pwrchas-
test and measurement instruments, and the type o work desired. If a serv-
f
ice quotation is required by your Pur- ing a spare parts kit.
HP places its comprehensive cus-
tomer service organization at your chasing Department or if you are try- Perhaps you prefer to stock parts at
disposal. Both of us have a mutual ing to make a repair vs. buy decision, your own facility. If so, Hewlett-
interest in quick, efficient, high quality HP will be glad to oblige by offering Packard wiH be glad to provide assis-
-
repairs whether we do it,or you do it either a verbal or written estimate or a tance with stocking recommendations
-so HP supports you with parts, serv- quotation. based on your instrument inventory.
ice information, training, and advice. An estimate, provided without
This applies to both warranty and charge, is an approximate figure and
out-of-warranty situations. Our service not a firm price commitment. IN THIS ISSUE
program will ensure that your instru- A quotation is a firm price commit-
ments are kept properly adjusted and ment for the service work requested. A SERVICE TRAINING
calibrated and that any necessary cor- nominal charge is made for this quota- SEMINARS & CALENDAR
rective maintenance is carried out. tion, which includes repair details and
is applied against the cost of repair. j HP-IS PROGRAMMING
EVM `if production of your instrument
(Quotations are supplied without HINTS
is no longer active, HP service is. HP
charge for calibration or repair w q k in
'9
provides full support for a period of at
least five years after the manufacture
of a particular model has been discon-
those cases where standard repair
prices are already established for
SERVICE TRAINING
LITERATURE
tinued. Service, thereafter, continues each model.) NEW SERVICE NOTES
on a best-effort basis until parts ob- Occasionally, in the course of doing SAFETY SERVICE NOTES
s o l w n c e and technological change your own HP instrument '
make repairs uneconomid. pay have a question or
I WWW.HPARCH1VE.C
e
.I
Informal Training is also available
from the regional HP repair centers.
You can arrange to have an HP serv-
3
A continuous maintenance program ice specialist visit your facility to pro-
assures you of maximum performance vide one-to-one coaching on mainte-
and accuracy with minimum interrup- nance and repair of specific products.
tion for repair. Therefore, Hewlett-
Packard offers several optional serv-
ice plans to maintain your equipment SERVICE DOCUMENTATION
for an economical, predetermined
charge. Of course, last but not least is docu-
mentation. Each Hewlett-Packard in-
Calibration Agreements supplement strument has an operating and service
the warranty for new instruments and manual that contains operation, calib-
help ensure on-going performance for ration, troubleshooting, diagnostic,
older instruments. Calibration will be and repair procedures with circuit
performed at either HP-recommended TRAINING
diagrams and a table of replacement
intervals or at intervals which you parts.
specify. If you prefer to maintain equipment
yourself, let us train your service per- Companies with a large inventory of
Repair Agreements are the equiva- sonnel. HP offers several factory and HP instruments may choose to sub-
lent of a health insurance policy for local training seminars each year. scribe to the new microfiche service
your instrument. HP will repair all in- library. For a flat fee, you can pur-
strument failures except those result- Product Service Seminars deal with chase the existing documentation on
ing from abuse. specific HP instruments. These microfiche for all HP instruments.
These agreements allow the flexibility courses typically are 2 to 5 days in Then for a yearly subscription fee, you
of using your own in-house lab for length. Topics covered include theory will receive new documentation up-
routine calibration, while relying on HP of operation, service theory and tech- dates on microfiche every three
months. The HP microfiche library is a
for repair. For out-of-warranty instru-
ments, inspection/calibration may be
niques, calibration, troubleshooting,
and component level repair. complete reference source in conven-
ient, easy-to-store, easy-to-access
;3
required prior to entering into an
agreement of this type. Digital Troubleshooting Seminars form. The Instrument Service Library
are available which address funda- can be ordered as HP No. 5951-6523.
mental troubleshooting procedures. The associated update subscription is
Full Service Agreements cover both
The first seminar, "Basic Digital Trou- ordered as HP No. 5951-6529.
calibration and repair service de-
scribed above. bleshooting," deals with fundamental
digital concepts. The second seminar,
Blanket Purchase Orders are also "Troubleshooting Microprocessor De-
available to cover service. This can be signs," provides insights and skills in
a local agreement to cover service for repairing ASM and microprocessor-
all HP instruments at a given facility controlled instruments.
under predeterminedterms and condi- Many of these seminars are announced
tions, or a national blanket purchase here in Bench Briefs or you can con-
order. The latter is a convenient, effi- tact your local HP office for schedules
cient means of servicing a widely dis- and prices. You can also arrange to
persed population of instruments. have product service or digital trou-
Equipment service is performedat var- bleshooting seminars taught in-house
ious HP repair centers, but repair at your own facility.
costs are invoiced to your central
accounting department for easy Video Tape Training is a cost-
budgeting and cost control. effective alternative to live seminars. As part of after-sale support, HP pro-
HP produces video tapes on specific vides supplementary information
On-Site Service Agreements are product maintenance, measurement through Service Notes and Bench
available for various fixed installation technology, and general service. Two Briefs. Service notes are documents
and HP-IB instrument system prod- tape series of particular interest to that convey technical service informa-
ucts. These agreements are tailored to service personnel are "Transistor tion about specific products. In addi-
the instrumentation involved and your
specific requirements.
Basics'' and "Digital Troubleshooting."
For a catalog of HP video tapes, call
your local HP office.
tion, Safety Service Notes report on
recommended safety procedures. 3
For more information about any of Bench Briefs is a periodic newsletter
these service plans, contact your local For more informationon service please order the fo//owing frea filled with handy servicing and safety
HP office. They will be happy to supply documents. You can use the service note order form at the rear
of Bench Briefs;just pencil in the numbers.
tips, Service Note summaries, and
details, recommendations,and prices. 5952-0061 5952-0062 5952-0063 other articles.
SERVICE TRAINING CALENDAR
lL.--1 I: , . I
:
I.
VICE SEMINAR TRAINING CALENDAR
and the United States in an 1978. Detailed course outlines are
DATE CONTENT LOCATION TUITION COORDINATOR
Foursslr Analyzers
W S we d
September 25 thw 28, 19
Cobrado Springs
Colorado Springs, CO 80907
(303) 59&1900
October 2 thru 5, 1978 Oscilloscope Maintenance Worado Springs Div. $300/Student Di
Models 1740N1741 A 1900 ogrden of the Gods Rd. cslarado springs
Colorado Springs, CO 80907
(303) 598-1900
October 9 thru 11, 1978 Logic State Analyzer Colorado Springs Div. $250/Student Dick Browne
-
Maintenance 1600N1607A 1900 Garden of the Gods Rd. ...
Colorado Sorinas
Color
(31x3)
October 16 thru 18, 1978 Logic State Analyzer cdor-ado springs Div. $25Q/StUden Browne
-
Malntanance 1611A 1900 Garden of the Gods Rd. rad0 Springs
colorada SpFTngS, CO 80907
(303)598-1900
May 15 thru 16, 1978 Small Screen Display Colorado Springs Div. $200/Student Dick Browne
October 23 thru 24, 1978 Maintenance - 1900 Garden of the Gods Rd. Colorado Springs
1332A/1333A/1335A Colorado Springs, CO 80907
(303) 59+1900
May 18 thru 19, 1978 Large Screen Display Colorado Springs Div. $2oO/St
October 26 thru 27, 1978 Maintenance - 1310N 1900 Garden of the Gods Rd. Colorado Springs
131lN1317N1321A Colorado Springs, CO 80907
(303) 598-1900
September 11 thru 15, 1978 R640AM/FM Signal Generator Stanford Park Div. $350/Student
8660 Synthesized Signal 1501 Page Mill Road Tom OConnor
Generator Palo Alto, CA 94303 333 Logue Ave.
436 Power Meter (415) 856-3414 Mt. View, CA 94042
i
,
(415) 968-9200
September 18 thru 22, 1978 8505A RF Network Santa R o s a Division $350/Student
Analyzer 1400 Fountain Grove Parkway
Santa Rosa, CA 95404
4
(707) 525-1400
October 19 thru 20, 1978 Serial Network Analyzer Colorado Springs Div. $200/Student Dick Browne
Maintenance - 1640A 1900 Garden of the Gods Rd: Colorado Springs
Colorado Springs, CO 80907
(303) 598-1900
CUSTOMER SERVICE SEMINARS
II
SIGNAL PREREQUISITES - Basic knowl-
edge of digital logic circuits and
GENERATORS general knowledge of electronics
P A L 0 ALTO, including operational amplifiers
and phase lock circuits.
CALIFORNIA
SEPTEMBER 11-15, PRESTUDY - Review digital logic
and block diagram information in
1978 8640, 8660 and 435/436
. manuals.
This one-week customer seminar on
Signal Generators takes place at the Read pages 1-48 in "Signal Generator
HP manufacturing facility in Palo Alto, COURSE CONTENT Seminar" testbook.
California which is approximately 30 View video tape 90030-566
miles south of San Francisco, or 20 LECTURE (Optional).
miles north of San Jose, both having a I. Introduction
major airport and car rental facilities.
11. Features and Model Options
Attendance is limited to 20 participants 111. Front Panel Features
so file your applicationsearly (registra- A. VideoTape
tion cut-off date is August 11) to avoid B. Demonstration
disappointment. The application form IV. Theory
is on the last page of BENCH BRIEFS. A. Block Diagram
B. Assembly Locations
The course objective is to teach front C. Schematic
panel control operations, circuit
theory, interpretation of signal wave- LAB
forms and voltage levels at test points, 1. Adjustments
how to efficiently perform critical ad-
justments during calibration, and how II. Performance Tests
to isolate troubles to individual circuits. 111. Troubleshooting
RF NETWORK (registration cut-off date is August 11) VII. A2 Frequency Control
to avoid disappointment. The applica- A. Circuit description
ANALYZERS tion form is on the last page of BENCH B. Circuit alignment
SANTA ROSA, BRIEFS. C. Troubleshooting
CALIFORNIA VIII. A3 Signal Processor
The course objective is to teach front A. Circuit description
SEPTEMBER 18-22, panel control operations, circuit B. Circuit alignment
theory, interpretation of signal wave-
1978 forms and voltage levels at test points,
C. Troubleshooting using Signa-
ture Analysis
how to efficiently perform critical ad-
justments during calibration, and how IX. Option 001, HP-Interface Bus
to isolatetroubles to individual circuits. A. Circuit description
B. Troubleshooting using Signa-
COURSE CONTENT ture Analysis
LECTURE
1. Introduction LAB - The lecture is given in a lab
environment. Attendees make
11. Specifications, features, and measurements during circuit
options alignment and troubleshooting
111. Simplified Block Diagram sessions.
PREREQUISITES - Basic under-
This one-week customer seminar on
Network Analyzers takes place at the
HP manufacturing facility in Santa
IV. Front Panel Operation
V. Detailed Block Diagram
standing of network analysis.
Good understanding of digital
logic circuits.
a
Rosa, California which is approxi- VI. A1 SourcelConverter
mately 60 miles north of San Fran- A. Circuit description PRESTUDY - Application Note 219,
cisco. Attendance is limited to 20 par- B. Circuit alignment "8505A Network Analyzer Basic
ticipants so file your applications early C. Troubleshooting Measurements".
WWW.HPARCHIVE.COM
CUSTOMER SERVICE SEMINARS
11::: i 1 I: I .
1.
OSCL~OSCOPES for other instruments 1332N1333A11335A SMALL
COLORADO SPRINGS, local I-W SCREEN MSPLAYS
- ~~ May 15-16, 1978
COLORADO O w for c m
Ot 23-24, 1978
Thege displays are of-
fered in a 2 t k y class condsting o 1
f
1715N1725A OSClLLOSCOPE Of thm oduding per-
Hewlett-Packard, Colorado Springs sistence and storage) and 1 day of
Division, offers the folloyring Service &dl 17-20, 1978
aptember 2s28, lg78 calibration, troubleshooting and repair.
Training Seminars to customers. All
trainingwill be conducted at Colorado 1310N1311Al1317N1321A
Springs, Colorado on the dates indi-
LARGE SCREEN DISPLAYS
May 10-19, 1978
October 26-27, 1978
tial amplifiers, integrators, corn-
parators and basic logic devices. The 171SN1725A Oepdlloscope semi-
nar is taught to component-level of
troubleshooting and repah. Popular
options such as state-dtspfay and
In case of insufficient enrollment, di@aI-nwl&n@er and AT aption$ are
daws may be cancelled. included. Class dwatlon is 4 days.
FOURIER ANALYSIS D. Gqnerate and modify key-
board programs.
E. W e use of variable parame-
tr and other "Gold Key"
e&
f-
u.
F. To sort, analyze and manipu-
late data.
The Fourier Analyzer 5-Day User
Training Course is geared primarily for
54516 users, although 54519 users
I II. .Provide the attendee with:
A. Basic measurement princi-
will also find it relevant.
WS.
The course emphasizes meas- B. A basic understanding of
urements, applications, and system keyboard programming prin-
operation. Pre-study material will be ciptes.
mailed prior to the course to bring all C. A basic appreciation of the
attendees up to a basic theoretical un- system architecture and the
derstanding. Each day includes lab various programming levels.
exercises with time for discussion and
review of key points.
I
COURSE OBJECTIVES PREREQUISITES -Basic under-
B. Perform and understand all standing of Fourier Analysis and
1. Enable the attendee to: Time and Frequency Domain
"standard" calibrated time
measurements.
I A. Utilize documentation to:
1. Cold start the system.
and
urements.
frequency meas-
PRESTUDY - Application Note
2. Find qpmprlate data and C. Utilize Mass Store, Zoom and 140.0 (part no. 02-5952-0651),
ins- formats. Graphics Software. Fourier Analysis Training Marmal.
WWW. H PARCHIVE.COM
SE RVlCE NOTES
W20A/B DC DIFFERENTIAL 37WA IF/BB RECEIVER
VOLTMETEWRATIOMETER 3790A4A. All serials. Prefened replacementfor
3420-A. Ail serials. Modification to accept Al5CW3.
neWtypebC+WieS. 37908-7. Serials 1741U-00156 and below. Un-
derrated resistor in power supply assembly
3155A DIGITAL VOLTMETER A15Fi33.
3455A-7. Serials 1622A01505 and below. 379OA-8. Serials 1825U-00121 and b&w. Re-
Twn-on reliabif(ty improvement. moval of + 15V and - 15V rectifiers from A15
345539-8. SW 1622A01655 and below. Im-
e PC board to reduce temperature on PC
provement in AC heat sensitivity. board.
3-A INSTRUMENTATION
NEED ANY SERVICE 3575A WINPHASE METER
3575A-48. All M a l s . Description of different TAPE RECORDER
configurations of panel meters and intercon- 3964A9-11/3968A-1 All serials. Troubleshoot-
1.
nect boards. ing tables.
3 $Mats. Interchangeability of 3-A-12. Serials 1714A and above. NW ad-
al safety hazard. and Interconnect boards.
3
41SA DC NULL VOLTMETER 37028 W/BB RECEIVER
419A-9A. Serials 09484\05863 and below. Pm- 37028.99. Serials 1737U-02166 and below.
fened battery replacements. resistor in I.F. 3A
- NSTRUMENTATION
419A-10. Serials 0948A05830 to 0948A08037. TAPE RECORDER
Battery charger modifh!ion. 3984A-1I--1 1. All ssrial~.Troubleshoat-
3705A DlIWERWTIAL ing W se.
455A POwEa PHASE DETECTOR 3968A-12. Serials 1714A and above. Option 21
and below. Fuse re- 3705A-6. Serials 1218U-01777and below. Pos- adjustments.
placement. sible problems when replacing A1MC1, 3968A-13/8868A-11. Serials 1637A and below.
43s-U-3. Serials 173lU and below. Fuse re- AlMC2 (1820-0595). FM backdating supplement.
plsoement.
435A4. Wals 1750A and below. Power supply 3710A WBB TRANSMITTER 5004A SIGNATURE ANALYSER
3710A-17. Serials 1637U-01688 and below. 5004A-1. !%rials 1736 and above. Data probe
+
Removal of 15V and -15V rectifiers from threshold voltage adjustment and
compensation.
AIS PC board to miuce rempmature on PC
626A-9. Serials 1 board.
to improve pulse jitter. 371OA-18. Serials 1637U-02155 and below. M S A DIGRAL IC TESTER *
Recommended replacement resistor in 5045A4A. All serials. Installation and operation
745A AC CALIBRATOR power supply assembly Al5FM3. of monostable multivibretor adapter.
745A-17-S. Serials 0741-00101 through 371OA-19. Serials 1$37U-C12271 and below. 5045A-5A. serials 1748 end above. New and
1319AO1670.745A-Hl8 serials 1319A01671 Reoommended replacement resistom in I.F. improved "Relays Check" magnetic cards.
and above. DstedEon and &minetion of a amplifier assembly (A6R28, A6R29, A6R33). 5045A-8. All serials. Revised A9 4MHz CW
potential safety hazard at the 745A counter frequency adjustment.
output. Supersedes 745A-lOB-S, 745A- 3716A BB TRAHSMI`I'TER
1264, 745A-135s. 3716A-10. Serials 135OU-01259 and below. 5160A THERMAL PRINTER
Modification to prev6nt Mowing -15V fuse in 515OA-1. aption 002 BCD intertace a# serials.
1332A k Y DISPLAY 3710A when removing and inserting 3116A To improve immunity to spurious print
1332A-7. All serials. Eliminate potential CRT with 3710A switched on. signals.
damage.
3721A CORRELATOR 5328A UNIVERSAL COUNTER
1811A LoOK STATE ANALYZER 3721A-15. Serials 1544U-00645 and below. 5328A-9A. Serials 1728A05785 and below
1611A-5. Serials 1723A00896and below. Trace Preferred replacement for AlQ16. (standard instrument); 1744A05710 and
point o t u correctian.
upt below (option 096). A2 power supply
1611A-6. Serials 17'23A-00700 and below. 374WB SELIfGtlVE LEML adjustments.
Modification to eliminate random incorrect 5328A-11. Option 010 oven osdllator serials
triggering. 1728AO3235 and W w ; serials 1719U and
, below. Preferredreplacement for A3C5.
ll4OA OSCILLOSCOPE S328A-12. Option 011 HP-If3 a#serials. Missing
174OA-14. Serials 1729A and below. Modifica- decimal paint in 5328A option 011 output.
tion to eliminate intermittent vertical or hori- 532BA-13. Option 041 pro
zontal jitter. module and option 096 (53
Revision of DAC adjustment
1741A OSCtUOSCOPE 5328A-14. Option 041 program
1741A-5. Serials 1704A W belaw. Modification module all serials. Revision of i
to eliminate intermittent vertical or horizontal formam check.
jitter. 5328A-15. Serials 1804A05786 and
1741A-7. Serials 1739A and below. CRT re- 3762A DATA GENERATOR standard instrument; serials 1804
placement and wiring change. 3762A-1. Serials 1738U-00140 and above, option 096. New A2 power w p l
up y
ification to improve performan essembly.
1743A OSCILLOSCOPE 5328A-16. Option 096 all serials. Revision of
1743A-1. Serials 1740A and below. Modification 37708 TELEPHONE LINE ANALYSER
in-cabinet perfmame check.
to eliminate intermittent vertical or horizontal 37706-13. All serials. Preferred replacement of
jitter. 534OA FREQUENCY COUNTER
A34C5. 534QA-11.HP-I8 verification programfor 5340A
332oNB FREQUENCY SYNTHESIZER opt. 011.
3780A PATTERN GENERATOW
332W6-38. All serials. Modification to improve ERROR DETECTOR
air capacitor reliability. 55OOC LASER HEAD
378OA-14. Serials 162OU-00211 and above. 55OOC-1. All serials. Interpretation of zero
33208-7. All serials. Improved stability for D/A Possible incorrect detection of systematic
converter. warm-up time.
errors.
378OA-15. Serials 162OU-00211 and below.
I
5501A LASER HEAD
33% LEVEL GENERATOR Preferred replacement of A20,A36 and A37
332OC-5. All serials. Improved stability for D/A assemblies. 5501A-3. All serials. Interpretation of zero
converter. warm-up time.
WWW,H PARCHIVE.COM
I SAFETY SERVICE NOTES
a WO2A EXTENDED RANG$
6129WC DIGITAL VOLTAGE SOURCE
7oIIIvTwsA X-Y RECQRDERS
7044A-4/7045A-4. Serials 1739A (HILI below.
Mode brklge rectifier repleGement to discrete pbmtent kit, HP part
66350NC o s ~ r ~ MODULE~ r d ~
WX%M-5. All serials M O re
SAFETY-RELATED 745AC CALIBRATOR
SERVICE NOTES Safety Senrice Note 745A-17-S has
been published to revise and compile
all previous safety service notes
regarding the Calibrator. 745A-17-5
Service Notes from HP relating to per- the installation of an isola-
sonal safety and possible equipment former in the COUNTER
damage are of vital importance. To OUTPUT circuit. The transformer kit is A8TP1 for the intensity limit adjust-
make you more aware of these impor- available at no cost with a small ment. TP1 may be the High Voltage
tant notes, HP has recently modified charge for installation. Please contact Test Point (HVTP) as documented in
the Safety Service Note format. The your local HP Sales and Service Of- the schematic Service Sheet 32.
note is now printed on paper with a red fice.
border, and a "-S" suffix has been The test point that should be moni-
added to the note's number. In order tored when setting the intensity limit is
to make you immediately aware of any TP2 and is located towards the bottom
potential safety problems, we are high- 8565A SPECTRUM ANALYZER of the circuit board assembly, approxi-
lighting safety-related Service Notes mately one inch (2% cm) above PC
here with a brief description of each An error in the 8565A Operating and Board Connector P1 pin 1. The HVTP
problem. Also, in order to draw your Service Manual, HP pln 0865-90014 is located at the top of the assembly.
attention to safety-related Service could lead to a shock hazard.
Notes on the Service Note order form Page 5-19,5-20 has been revised and
at the rear of Bench Briefs, each ap- Page 5-20, paragraph 5-13 steps J is available with the 8565A-2S service
propriate number is highlighted by and L, and Figure 5-5 call for oscillo- note. Both may be ordered from your
being printed in color. scope probe to be connected to local HP Sales and Service Office.
WWW.HPARCHIVE.COM
1: : il
LOGIC PROBLEMS LONGER-LIFE
Do you have a favorite logic p u l e or the Hudson-Palmer Electronic Corpo-
BATTERIES
problem? Send it along (with the an- ration. An easy way to solve the prob-
swer please) and ifappropriate, 1'11 be Several battery-powered instruments,
lem is to build a matrix of division including the 204C/D Oscillator, 4038
glad to print it. numbers, products, production %, and AC Voltmeter, 419A DC Null Voltme-
profit % and then line out the combina- ter, and 34MB Differential Voltmeter,
Last issue's problem, courtesy of Len tions in the matrix when the clues rule now have available an improved niclde
Kraska, Hewlett-Packard, concerned it out. The answers are: cadmium (NI-CAD) rechargeable cell.
-
Dfvislon Product Production % Profit % These new NI-CADSshould be substi-
tuted if shortened battery life occurs
1 Calculators 15 18 due to continuous chargingldis- I
2 Oscilloscopes 10 11 charging cycles.
3 Counters 25 33 1
4 Computers 20 16 The conversions, which require a mod-
5 Printers 30 22 ification kit, are described in sewice
notes 204C/D-3, 403B/BB-9, 419A-
9A, and 3420B-8A. Use the order form
The name of this issue's problem' is at the rear of Bench Briefs.
"Petals Around The Fbe." It comes
from Advanced Computation's News-
letter by way of the IEEE Grid It`s a WHAT'S A % DIGIT
simple probtem; It was, in fact, in- DVM?
vented by a four-year-old child. Look
at the illustrations below, and try to Most everyone knows that the 1/2 digit
determine the pattern which deter- part of a voltmeter means that its most
mines the "value' of the dice. When significant digit can be either a one or
you think you know the secret, identify
the remaining examples and write
your solution in the space provided.
THISISA 1 THLS ISA-
a zero. For example, while a 3-digit
voltmeter has a maximum reading of
999, a 3% digit meter has a maximum
reading of 1999.
a
Think: Petals Around The Rose.
m i q So
p i -I I r i - ~ ~
T H I S IS A T H I S IS A
what is the maximum reading of a
3%-digit voltmeter? What value can
the meter's most significant digit as-
sume? What it boils down to is you
can't really know. The % digit could be
keyboard; and a mass memory device a 3; so a 3% digit meter couM have a
ASK A COMPUTER that uses floppy disks, plus a micro- maximum reading of 3999. That%very
HOW TO REPAIR processor. A few disks can store all common. But the % digit could also be
a 4, or a 5 (4999 or 5999).
DEFECTIVE the troubleshooting data normally con-
tained in a large stack of manuals.
EQUIPMENT The plain fact is that while the 1/2 digit
clearly tells you the maximum meter
A technician simply selects the appro- count the % digit doesn't. The only
(Editor's Note: The following article priate disk, loads it into the system and purpose the Y digit serves is to indi-
4
appeared in the SciencelScope types in the problem. In less than two cate that the meter will read higher 4
periodical, and is reproduced with seconds, the video unit displays a than the Y2 digit but lower than the next
permission of Hughes Aircraft series of pertinent questions. After the full digit.
Company.) technician provides the answers, the
system pinpoints the failure, the part
needing replacement, shows its loca- CORRECTION!!!
Printed repair manuals may soon be tion, and tells how to replace it. It also
replaced by an electronic display, part explains what tools and test equip- Safety Service Note M58-S, con-
of the Technician's Maintenance In- ment are needed, and how to use cerned with "Littlefuse" brand of 3AG
formation System (TMIS) developed them. With this method, many techni- slo-blo fuses, contains a list of HP in-
by Hughes. It can direct the repair of cians will no longer require extensive struments in which we recammendthe
equipment as complex as a radar unit technical training or cumbersome fuses be changed. Two Instruments
simply by asking the technician to de- stacks of data. By cutting troubleshoot- should be deleted from the list. Models
scribe the problem. The system ing and repair time to a small fraction 13251A and 132518 DC Power Con-
comes in two portable packages: a of present requirements, costs can be versions for the 7970 Magnetic Tape
video display with an electronic reduced drastically. Drive.
WWW.HPARCHIVE.COM
~~
SER VICE INFO R MA T I 0N
SERVICE TRAINING
LITERATURE
A whole series of Service Training
Manuals on signal generators and
spec;tntm analyzers have been pro-
duced for technicians. These manuals
are self-contained service tr
<:
.!
The training manuals m e r features,
options, specifications (what they
meah), front panel controls, theory,
below.
HP-IB Here's a beginner`s manual destgned !59307A UHFSwitch
to help you program a 982519 or 593088 Timing Generator
PROGRAMMING 9s33oA/B desMop computer to oper- Digital Clock
HINTS ate many popular HP instruments via 5940399 Common Carrier Interface
the Hewlett-Packard Interface Bus
FOP (Hp-18).
The manual contains a wide variety of Some of the topics covered are:
tastgd gxample pmgmms, in a dtm
d ii Getting St&tgd - con~ration,
,rsonnectiqbus
cabhi.
e
Statusandmanym.
3438A DMM e Programming Measuring Instru-
3455A DVM -
ments use of the "time", "trg",
3 9 5 A Scanner "on en"', "ram", "em", and "erl"
3571A spectrum Analyzer statements.
53288 Universal Counter 0 Programming Stimulus, Display,
534OA Microwave Counter Computation and hntrol Devices.
5345A Plug-In Counter
e Transmitting HP-IB Information
5W1A DlA Pwr. Sup. Prog.
982549 Desktop Computer Over Long Distances.
983OA/B Desktop Computer To order a copy of this.programming
9871A Printer Plotter guide, contact your HP Sales and
5 W A Numeric Display Service Office .and specify HP part
59306A UniversalSwitch number 593ocb-wToo5.
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SERVICE INFORMATION
For Selected HP-IB Instruments
HP-IB VERIFICATION PROGRAMS
Many Hewlett-Packard instruments documented with instructions, listing,
with HP-I8 capability have test pro- flowchart, check points, etc. The veri-
grams available that can save you fication programs listed below can be
considerable time in verifying instru- ordered from your local HP Sales and
ment operation. Each program is fully Service Office.
Model Prog. Documentation
ASCIl/Parallel Converter Service Note 59301A-2
D to A Converter Service Note 59303A-1
Numeric Display Service Note 59304A-1
Relay Actuator Service Note 59306A-4
VHF Switch Serv'w Note 59307A-3
Timing Generator Service Note 59308A-1
Digital Clock Service Note 59309A-3
A to D Converter 59300-10001 (9825A)
59313A Manual 59313-91999
Universal Counter (Opt. 011) Service Note 5328A-17
Freq. Counter (Opt. 011) Service Note 534OA-11
Freq. Counter (Opt. 011) 5341A Manual 05341-90005
pwave Freq. Counter (Opt. 011) 5342A Manual 05342-90004
Electronic Counter (Opt. 011) Service Note 5345A-9
Time Synthesizer 5359A Manual 05359-90001
0W2A Synth. Sig. Gen. 11712-10001 (983OA) Kit Manual 11712-90001
Spectrum Analyzer 08568-10001 (-5A) 8568A Manual 08568-90005
Network Analyzer 85030-10002 (-A] 8507A Manual 85030-90001
8507A Manual 08507-90005
Network Analyzer 85030-10007 (9825A) 85078 Manual 85030-90005
85078 Manual 08507-90022
W A Network Analyzer 03042-90211 (9825A) 3042A Manual '03042-90204
304% Spectrum Analyzer 03045-10001 (9825A) 3045A Manual 03045-90203
30600 Voltmeter System 03050-90230 (9825A) 30508 Manual 03050-90223
03050-90212 (983OA) 30508 Manual 03050-90200
Voltmeter System 03052-90011 (9825A) 3052A Manual 03052-90004
System DVM 03437-10001 (9825A) 3052A Manual 03052-90004
System DVM 03455-10001 (9830A) 3052A Manual 03052-90004
03455-10002 (9825A) 3052A Manual 03052-90004
3495A Scanner 03495-10001 (9830A) 3495A Manual 03495-90012
03495-10002 (9825A) 3495A Manual 03495-90012
WWW. HPARCHIVE.COM
[ : I -
SERVICE NOTE ORDER FORM
0 SERVICE NOTE ORDER FORM
INSTRUCTIONS
E
1. If you want service notes please check
l the appropriate boxes below and return
this form separately to one of the follow-
ing addresses.
For European customers (ONLY)
Hewlett-Packard
Central Mailing Dept.
P. 0. Box 529
Van Hueven Goedhartlaan 121
AMSTELVEEN-1134
Netherlands
All other customers
Hewlett-Packard
1820 Embarcadero Road
Palo Alto, California 94303
Name
Company Name
Address
City State Zip
0 MSBS 0 3745Als-46 0 5501A-3
0 419A-9A 0 3745UB-15 0 8oou-1
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