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Many instruments use a large-face
meter similar to the one shown in H
Figure 1. In troubleshooting your Iueu
instrument, you may get into the
WlLl I Cat=UUII III I C 1
situation where there is a question
whether the meter is providing the
Replacements
correct response. Indications may
range from low readings through
intermittent readings to no read- Test Procedure
in
1. Hook up the meter as shown in
Figure 2. The connections must
be secure to avoid inaccurate test
results.
This Logistics Data Book (formerly
"Blue Book") is designed to assist
Hewlett-Packard customers with
their logistics needs associated with
the support of HP products.
There are five main sections to this
publication, in the form of cross in-
Figure 2. Test setup to check for an dexes as listed below.
intermittent meter.
0 H P model numbers to military
nomenclature a n d to n a t i onal
Figure 1. 2. Set the oscilloscope to DC, the stock numbers.
sweep to 0.5 milliseconds/ Military nomenclature to H P
division, and the vertical sen- model numbers.
The following quick test will deter- sitivity to 1voltldivision.
mine if the internal connections of National stock numbers to H P
the meter are mechanically secure, 3. The scope should indicate a 5- model numbers.
and at the same time increase the volt DC level. If not, then the Provisioning: H P model numbers
confidence level of the meter per- meter is defective and should be to contracts.
formance during troubleshooting replaced.
procedures. Discontinued HP model
4. Tap on the metal terminals on numbers with replacement
The test involves externally driving the rear of the meter. recommendations.
the meter with a DC voltage and
monitoring t h e current with a 5. If the trace on the scope displays Contact your nearest H P ojEce for
scope, while lightly tapping the a series of spikes, then the meter information on how to obtair1 a copy
meter with a nonconducting tool has loose internal connections of the HP Logistics Data Book pln
(e.g., a pencil with a good eraser). and must be replaced. 5952-8253.
Part No. 5952-0110 OHewlett-Pac kard 1982
WWW.HPARCHIVE.COM
1740A Oscilloscope not exist and no action is required. If
Safety-Related 1741A Oscilloscope t h e r e is no difference in these
Service Motes 1744A Oscilloscope measurements, the scope must be
/1
modified according to the instruc-
tions in one of the following Safety
Service Notes from HP relating to Service Notes:
personal safety and possible equip- ! 1740-19-S
ment damage are of vital impor- 1741A-12-S
tance to our customers. To make 1744A-5-S
you more aware of these important
notes, they are printed on paper A shock hazard may exist on mul- Any of these Safety Service Notes
with a red border, and the service timeter inputs on 1740As, 1741s, can be ordered with the form at the
note number has a "-S" suffix. In and 1744As with options 034, 035, rear ofBench Briefs.
order to make you immediately CO9 and H17. The problem occurs
aware of any potential safety prob- when the multimeter input fuse 9874 Digitizer
lems, we are highlighting safety- clips (V, R , and A) short to the
related service notes here with a printed circuit board ground trace A shock hazard may exist a t the
brief description of each problem. causing a possible safety hazard transformer primary in units with
Also, in order to draw your atten- when the inputs a r e improperly serial numbers 1811A01252 thru
tion to safety-related service notes fused. 1811A01497. These Digitizers may
on the service note order form at the have the transformer hot and neu-
back of Bench Briefs each appro- The way to tell if your oscilloscope tral primary power leads reversed
priate number is highlighted by requires modification is to measure a t the input receptacle. You must
being printed in color. the distance from each side of the verify t h a t t h e hot lead (white-
DMM case to the edges of the oscil- black-gray) is connected to the cen-
loscope top cover. If the difference in ter terminal of the fuseholder as
these two measurements is 0.63 shown on service note 9874A-1,
inches (1.6 cm) with the DMM offset which can be ordered with the form
to the right, a safety hazard does at the rear of Bench Briefs. "3
1741A OSCILLOSCOPE
3060A-9A. All serials. 9885M disk drive I/O consider-
1741A-10. Serials 201 7A08125 and below. Preferred
ations in the 3060A system.
replacement for A9R5 resistor in the Delayed
3060A-21B. All serials. The changes made in CCD
Sweep Integrator.
revision 21 14 have been incorporated into software
1741-A-12-S. All serials. Possible safety hazard on
revision 2136 (see S/N 3060A-278) and all upward
multimeter inputs on 1741A with options 034, 035,
Need Any Service H34, and H35.
revisions (see S/N 3060A-39).
3060A-28A. All serials. BTL revision 21 17 has been
completely replaced by revision 2128 (see S/N
Notes? 1742A OSCILLOSCOPE
1742A-3. Serials 2021A02056 and below. Preferred
3060A-40).
3060A-32A. All serials. The "features" of CCD
replacement for A9R5 resistor in the Delayed software revision 2128 have been corrected and
They're free! Sweep Integrator. incorporated into CCD software revision 2136 (see
S/N 3060A-278) and all upward revisions (see
Here's the latest listing of Service 1743A OSCILLOSCOPE S/N 306OA-39).
1743A-4. Serials 2034A01538 and below. Preferred 3060A-35A. All serials. The correction for proper test-
Notes. They recommend modifica- replacement for A9R5 resistor in the Delayed ing of the Scanner G.P. Relays with or without sig-
tions to Hewlett-Packard instru- Sweep Integrator. nature analysis has been incorporated into CCD
ments to increase reliability, im- software revision 2136 (see S/N 3060A-278) and
1744A OSCILLOSCOPE all upward revisions (see S/N 3060A-39).
prove performance, or extend their 1744A-3. Serials 21 09A02038 and below. Preferred 3060A-37A. All serials. CCD software revision 2128.
replacement for A9R5 resistor in the Delayed The correction for the DSRU Diagnostics software
usefulness. Sweep Integrator. has been incorporated into CCD software revision
1744A-5-S. All serials. Possible safety hazard on mul- 2136 (see S/N 3060A-278) and all upward revi-
Use the order form at the rear of timeter inputs on 1744A with options 034, 035, sions (see S/N 3060A-39).
Bench Briefs to select the notes that H04, and H06. 3060A-39A. All serials. List of changes associated
with each CCD software revision.
relate to your instruments. 3060A BOARD TEST SYSTEM 3060A-40. All serials. BTL software has been up-
3060A-OA. Index of current service notes for the graded from revision 2117 to 2128.
3060A system. 3060A-41. All serials. List of new Digital Cables for the
3060A-4A. All serials. The HPL routine for cleaning 3060A Circuit Test System.
1336A X-Y DISPLAY the DUT Power Supply Relays has been incorpo- 3060A-42. All serials. Installation procedure for Digital
1336A-1A. Serials 1809A and above. Deletion of CRT rated into CCD software revision 2108. Cable P/N 03060-61622.
timer. 3060A-6B. All serials. Identity of the correct CCD revi- 3060A-43. All serials. Installation procedure for Digital
sion 2213 Program Signatures. Cables P/N 03060-61623 or P/N 03060-61624.
1740A OSCILLOSCOPE 3060A-7A. All serials. BTL revision 2014 has been 3060A-44. All serials. Installation procedure for Digital
1740A-17. Serials 2026A17230 and below. Preferred completely replaced by revision 2128 or higher Cable P/N 03060-61625.
replacement for A9R5 resistor in the Delayed (see S/N 3060A-40). 3060A-45. All serials. Installation procedure for Digital
Sweep Integrator. 3060A-8A. All serials. The BTL/IPG Update Tape for Cable P/N 03060-61626.
1740-194. All serials. Possible safety hazard on mul- 2014 revision BTL and IPG Software has been 3060A-46. All serials. 63005E replacement for
timeter inputs on 1740A with options 034, 035, completely replaced by revision 21 17 BTL/IPG 63005C power supply in 34196A Scanner Power
CO9, and H17. Update Tape. Module.
2 BENCH BRIEFS MAY-JUNE 1982
WWW.HPARCHIVE.COM
3253A ANALOG STIMULUS/RESPONSE 5341A FREQUENCY COUNTER 8443A TRACKING GENERATOR-COUNTER
UNIT 5341A-6. All serials. 74LS replacement part numbers 8443A-6. Serials 2044A and below. Recommended
3253A-7. All serials. Preventing intermittent and reoc- for 74L series TTL ICs. replacement A6 high frequency decade assembly.
curring ASRU failures. 8443A-7. Serials 1821A and below. Modification to
marker control assembly to eliminate stop sweep
5342A MICROWAVE FREQUENCY
3455A DIGITAL VOLTMETER problem in slow scan times.
3455A-20. All serials. Notification of 3455A service kit
COUNTER 8443A-8. Serials 1821A and below. Modification to
5342A-32A. All serials. HP-IB verification program improve scan hold operation.
part number 03455-69801.
using the HP 85A controller.
3478A 5% DIGIT DMM
5343A MICROWAVE FREQUENCY 8444A OPTION 059 TRACKING
3478A-1. All serials. 3478A verification program
listing. COUNTER GENERATOR
5343A-11 A. All serials. HP-IB verification program 8444A-4. Serials 2103A and below except for the fol-
lowing serial numbers 03900, 03982, 03985.
3496A SCANNER using the HP 85A controller.
03986, 03987, 03991, 03992, 03995, 03996,
3496A-5. Serials 1801A00819 and up. New scanner
03997, 04002, 04006, 04007, 04008, 04009,
analog board design and new scanner center bar 5345A ELECTRONIC COUNTER 04010. Modification kit to improve frequency re-
design. 5345A-19A. All serials. HP-IB verification program for sponse performance for sweep times less than 5
3496A-6. All serials. Replacement paddle pin (H/P 5345A option 01 1 using the HP 85A controller. msec/DIV.
part number 1258-0179) changed for use on the 5345A-22. All options and serial number prefixes.
03496-66552 Analog Relay Card. Modification to improve input sensitivity.
8447A/C/D/E/F AMPLIFIERS
37029 IF/BB RECEIVER 8447A-3/8447C-3/8447D-3/8447E-3/8447F-3. All se-
37028-45. Field replacement of A2 assembly. Applic- 5354A AUTOMATIC FREQUENCY rials. Caution on exceeding maximum input power
able serial numbers listed in text of service note. CONVERTER specifications.
37028-46. Field replacement of A4 assembly. Applic- 5354A-9. All serials. 74LS replacement pari numbers
able serial numbers listed in text of service note. for 74L series TTL ICs.
37028-47. Updated adjustment procedure for A23 and
8505A NETWORK ANALYZER
A24. Applicable serial numbers listed in text of 8505A-13. All serials. Program modification to prevent
5360A COMPUTING COUNTER a programming anomaly when operating the 8505
service note. 536OA-11. All serials. Recommended power switch/
37028-48. All serials. Compatibility of A4, A2, A22 with 9845B/C desktop computers.
sample rate control replacement (part number
and A23 assemblies. 2100-3891 ).
8557A SPECTRUM ANALYZER
3712A IF/BB RECEIVER 5451C FOURIER ANALYZER SYSTEM 8557A-3. Serials 2025A01220 and below. Improved
3712-14. All serials. AM to PM conversion adjustment. 5451C-04. Serials 1836 and below. Modification to the filtering in zero span mode.
clock rate to improve performance.
3771A/B DATA LINE ANALYZER
K8747A TRANSMISSION AND REFLECTION
3771A/B-24. HP-18 (option 005) assembly 03771-
69041; datecodes below 2013-14. SYNC test point
5501A LASER TRANSDUCER TEST UNIT
connected to the wrong PCB track. 5501A-9. Serials 2020 and below. Laser current fault K8747A-1/R8747A-1 /R8747B-1. All serials. Packag-
indicator specifications changed. ing instructions for shipment to HP.
3779A PRIMARY MULTIPLEX ANALYZER
'7 3779A-13-A. Serials 1936U-00185 and below. Pre-
ferred replacements of relays A1 K1-K6; A8K1;
A9Kl-K5, K7. K9, K10; A31K1; A37Kl-K4.
6012A POWER SUPPLY
6012A-4. Serials 2204A00770 and below. Modification
to protect + I 1 V bias supply.
R8747A/B TRANSMISSION AND
REFLECTION TEST UNIT
K8747A-1/R8747A-I /R8747B-1. All serials. Packag-
ing instructions for shipment to HP.
3968A INSTRUMENTATION TAPE 62599 LVR POWER SUPPLY
RECORDER
3968A-20. All serials. Proper procedure for head
62598-4A/62608-3A/62618-3A/6268B-3A/6269B-5.
All serials. Improved reliability change in RFI filter
9571A - DTS 70
mounting screws. 9571A-23. All serials. Information on pulse data using
assembly.
the fastrace program "PROB".
4935A TRANSMISSION IMPAIRMENT 62608 LVR POWER SUPPLY
MEASURING SET 62598-4A/62608-3A/6261 B-3A/6268B-3A/6269B-5. 9874A DIGITIZER
4935A-3. All serials. Battery Retrofit instruction. All serials. Improved reliability change in RFI filter 9874A-1. Serials 1811A01252 thru 1811A01497.
4935A-4. Serials 2204 and greater. New switch board assembly. Elimination of a potential shock hazard.
incompatible with Rev A charger board.
62619 LVR POWER SUPPLY 10585A METROLOGY PROGRAM PACKAGE
4961A/B PAIR IDENTIFIER FIELD UNIT
62598-4A/62608-3A/62618-3A/6268B-3A/6269B-5. 10585-1. Serials 2040 and below. Software correction
4961A-3. Serials 1701A-00616 and below. Preferred
All serials. Improved reliability change in RFI filter of program anomaly.
replacement ICs to improve performance.
assembly.
49618-5. Serials 1737A-03016 and below. Preferred
replacement ICs to improve performance. 17604A GRAPHICS PLOTTER
62689 LVR POWER SUPPLY PERSONALITY MODULE
5036A MICROPROCESSOR LA9 62598-4A/62608-3A/626 1B-3A/6268 8-3A/62698-5. 17604A-1. Serials 2139A. Recommended U29
5036A-1A. Serials 21 16A and below. New carrying All serials. Improved reliability change in RFI filter EPROM firmware change to improve Performance.
case and replacement procedure. assembly.
62699 LVR POWER SUPPLY 64100A LOGIC DEVELOPMENT STATION
5312A HP-I9 INTERFACE 64100A-8. Serials 2136A and below and serials
5312A-4A. All serials. Operational verification using 62598-4A/62608-3A/62618-3A/62688-3A/6269-5.
2134G and below. 400 watt power supply upgrade.
the HP 85A controller. All serials. Improved reliability change in RFI filter
64100A-9. Serials 2149A02236 thru 2149A02436.
assembly.
Recommended fan replacement to improve
5328A UNIVERSAL COUNTER reliability.
5328A-338. All serials. HP-IB verification program 6942A MULTIPROGRAMMER
using the HP 85A controller. 6942A-5/6943A-2. Serials 2135A-02008 and below.
Modification to improve performance of isolated 64242A EMULATOR SUBSYSTEM
HP MODELS 5328A/H99, 5328AF/096, power supplies LED circuitry. 64242A-1A. Emulator Pod repair number prefix 2124A
5328AF/098, 5328A/H42, C96-5328A 500 and below. Hardware modification to correct DMA
MHz UNIVERSAL COUNTER exit.
6943A MULTIPROGRAMMER EXTENDER
64242A-2. Emulator Pods with repair number
-'>
5328A-348. All serials. HP-IB verification program 6942A-5/6943A-2. Serials 21 15A-00330 and below.
using the HP 85A controller. 2124A00261 and below. Improper emulation re-
Modification to improve performance of isolated
sponses to interrupt acknowledges.
power supplies LED circuitry.
5335A UNIVERSAL COUNTER
5335A-7A. All serials. HP-IB verification program 8411A HARMONIC FREQUENCY 69602A TIMER PACER CARD
using the HP 85A controller. CONVERTER 69602A-1. Serials 2042A00280 and below. Hardware
5335A-10. All serials. Modification to enhance inter- 841 1A-4A. All serials. 841 1A Harmonic Converter modification to prevent oscillation on the +12 V
polator performance. sampler diode replacement procedure. 69408 mainframe unregulated supply.
MAY-JUNE 1982 BENCH BRIEFS 3
WWW.HPARCHIVE.COM
Service Note Order Form
If you want service notes, please For European customers (ONLY) Name
check the appropriate 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
State ~ - 2 i p
Palo Alto, California 94303 Netherlands
0 1336A-1A 0 3060A-39A 0 3968A-20 0 6012A-4 0 64100A-8
0 1740A-17 0 3060A-40 0 4935A-3 0 625984A/6260&3A/ 0 64100A-9
0 1740-194 0 3060A-41 0 4935A-4 62618-3A/62688-3A/ 0 64242A-1 A
0 1741A-10 0 3060A-42 0 4961A-3 62698-5 0 64242A-2
0 1741A-12-S [7 3060A-43 0 49618-5 0 6942A-5/6943A-2 0 69602A-1
0 1742A-3 0 3060A-44 0 5036A-1A 0 8411A-4A
0 1743A-4 0 3060A-45 5312A-4A 0 8443A-6
0 1744A-3 0 3060A-46 0 5328A-338 0 84431-7
0 1744A-5-S 0 3253A-7
0 3060A-OA 0 3455A-20
0 3060A-4A 0 3478A-1
0 3060A-68 0 3496A-5
0 3060A-7A 0 3496A-6 Y ""YL"-YL- "YY. 1 -Y
0 3060A-8A 0 37028-45 0 5343A-11A 0 8505A-13
3060A-9A 0 37028-46 0 5345A-19A 0 8557A-3
0 3060A-218
0 3060A-28A
0 3060A-32A
0 3060A-35A
0 37028-47
0 37028-48
0 3712-14
0 3771A/8-24
0 5345A-22
0 5354A-9
0 5360A-11
5451C-04
0 K8747A-1/R8747A-1/
R87478-1
0 9571A-23
0 9874A-1
c
-. . 0 3779A-13A 0 5501A-9 0 10585-1
0 17604A-1
Please photocopy this order form is you do not
want to cut off the page.
Bulk Rate
1820 Embarcadero Road
Palo Alto, California 94303 U S . Postage
BENCH BRIEFS Sunnyvale, CA.
MAY-JUNE 1982 Permit No.
Volume 22 Number 3
Service information from
Hewlett-Packard Company
To obtain a qualification form for a free
subscription, send your request t o the
above address.
Reader comments o r technical article
contributions are welcomed.
Please send them to t h e
Bench Briefs Editor. f
Editor: Jim Bechtold
Hewlett-Packard
690 E. Middlefield Rd.
Mt. View, CA 94042 All rights reserved Permission to reprint Bench Briefs granted upon written request to the Editor Prinreo in U.S.H.
4 BENCH BRIEFS MAY-JUNE 1982