SERIAL NUMBERS
This manual applies directly to HP 8514B test sets with serial
prefix 2706A and to HP 8512A test sets with serial prefix
2631A.
For additional information about serial numbers, refer to
INSTRUMENTS COVERED BY MANUAL in the General
Information section.
Copyright
HEWLETT-PACKARD COMPANY
1987
1400 FOUNTAINGROVE PARKWAY, SANTA ROSA, CA 95403 U.S.A.
MANUAL PART NO.
Printed: JUNE 1990
Microfiche Part Number
H EWLET T
PACK ARD
CERTIFICATION
Hewlett-Packard Company certifies that this product met its published specifications at the time of shipment from the
factory. Hewlett-Packard further certifies that its calibration measurements are traceable to the United States National
Institute of Standards and Technology
formerly NBS), to the extent allowed by the Institute’s calibration facility, and
to the calibration facilities of other International Standards Organization members.
This Hewlett-Packard system product is warranted against defects in materials and workmanship for a
period corresponding to the individual warranty periods of its component products. Computer and computer
peripherals are warranted for a period of 90 days. Instruments are warranted for a period of one year. During
the warranty period, Hewlett-Packard Company will, at its option, either repair or replace products which
prove to be defective.
Warranty service for products installed by HP and certain other products designated by HP will be performed
at Buyer’s facility at no charge within HP service travel areas. Outside HP service travel areas, warranty
service will be performed at Buyer’s facility only upon HP’s prior agreement and Buyer shall pay HP’s round
trip travel expenses. In all other areas, products must be returned to a service facility designated by HP.
For products returned to HP for warranty service, Buyer shall prepay shipping charges to HP and HP shall
pay shipping charges to return the product to Buyer. However, Buyer shall pay all shipping charges, duties,
and taxes for products returned to HP from another country.
HP warrants that its software and firmware designated by HP for use with an instrument will execute its
programming instructions when properly installed on that instrument. HP does not warrant that the opera-
tion of the instrument, or software, or firmware will be uninterrupted or error free.
LIMITATION OF WARRANTY
The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by
Buyer, Buyer-supplied software or interfacing, unauthorized modification or misuse, operation outside of
the environmental specifications for the product, or improper site preparation or maintenance.
NO OTHER WARRANTY IS EXPRESSED OR IMPLIED. HP SPECIFICALLY DISCLAIMS THE IMPLIED
WARRANTIES OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
EXCLUSIVE REMEDIES
THE REMEDIES PROVIDED HEREIN ARE BUYER’S SOLE AND EXCLUSIVE REMEDIES. HP SHALL NOT
BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
WHETHER BASED ON CONTRACT, TORT, OR ANY OTHER LEGAL THEORY.
Product maintenance agreements and other customer assistance agreements are available for Hewlett-Packard products.
For any assistance, contact your nearest Hewlett-Packard Sales and Service Office. Addresses are provided at the back of
this manual.
DECLARATION OF CONFORMITY
according to ISO/IEC Guide 22 and EN 45014
Manufacturer’s Name:
Manufacturer’s Address:
Hewlett-Packard Co.
1400 Fountaingrove Parkway
Santa Rosa, California 95403
U.S.A.
Declares that the product:
Product Name:
S-Parameter Test Set
HP 8514B
Model Numbers:
This declaration covers all options
of the above product(s).
Product Options:
Conforms to the following product specifications:
IEC
Safety:
EMC:
No. 231 Series M89
CISPR
IEC
/EN
/EN
/EN
/EN
Group 1 Class A
CD, 8
V/m, 27-500 MHz
500 V signal, 1000 V
AD
IEC
IEC
AC
Supplementary Information:
The product herewith complies with the requirements of the Low Voltage Directive
the EMC Directive
and
The HP 8514B was qualified as part of a product family which includes the HP
HP
HP
HP
HP
Santa Rosa, California
Location
European Contact:
Your local Hewlett-Packard Sales and Service Office or Hewlett-Packard
Department
ZQ/Standards Europe, Herrenberger
130, D-7030
(FAX: $49-7031-143143)
Notice for
Noise Declaration
< 70
am Arbeitsplatz (operator position)
normaler Betrieb (normal position)
DIN 45635 T. 19 (per IS0 7779)
Regulatory Information
SECTION 1. GENERAL INFORMATION
. . . . . . . . . . . 1-l
HP
Operator’s Check
. . . . . . . . . . . . . . . . . 3-6
Introduction
l-l
l-l
l-2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
a1 Test
b1 Reflection Test
b2 Thru Test
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-6
Verifying the Test Set
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
3-6
3-6
Instruments Covered by Manual
. . . . . . . . . . . . . .
Description and Operating Characteristics
of the Instrument
Controlling Multiple Test Sets
Installation
Operation
. . . . . . . . . . . . . . . . 3-7
l-2
l-4
1-4
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-7
3-7
Options
Option 001
Option 002 (HP 8514B only)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Initialization at Power-up
Selecting a Test Set
Measurement Calibration
Operational Checks
. . . . . . . . . . . . . . . . . 3-7
. . . . . . . . . . . . . . . . l-4
. . . . . . . . . . . . . . . . l-4
. . . . . . . . . . . . l-4
3-9
. . . . . . . . . . . . . . . . . 3-9
. . . . . . . . . . . . . . . . . . . . .
Option 003 (HP 8514B only)
Option
(HP 85148 only)
. . . . . . . . . . . . . . . . . . . . . 3-9
Option908 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
l-4
l-4
l-4
Performance Verification
. . . . . . . . . . . . . . . . . 3-9
Option 910
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cable and Anti-Rotation Clamp Installation
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 3-11
Option913 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-11
Option W03, Warranty Conversion
Option Extended Service
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . l-4
SECTION 4. SPECIFICATIONS
. . . . . . . . . . . . . . . .
4-1
. . . . . . . . . . . . . . . . . . 4-1
. . . . . . . . . . . . . . . . 4-2
. . . . . . . . . . . . .
l-4
1-5
Mechanical Specifications
Supplemental Characteristics
Accessories Supplied
Accessories Available
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .
SECTION 5. TEST SET TROUBLESHOOTING
. . . . . 5-l
Operating and Safety Precautions
. . . . . . . . . . . . . l-6
Test Set Temperature
5-2
5-2
. . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
l-6
l-6
Check all Connections
Check Power Supply/Regulator, Fuses,
and Switches
Service
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additional Equipment Required
. . . . . . . . . . . . . . . l-6
. . . . . . . . . . . . . . . . . . . . . . . . .
5-2
A15 Regulator Board Assembly
. . . . . . . . . . . . 5-2
SECTION 2. INSTALLATION . . . .
Introduction . . . . . . . . . . . .
Initial Inspection . . . . . . . . . . .
Environmental Considerations
Operation and Storage . . .
Preparation for Use . . . . . . . .
Positioning the Test Set . . .
Connecting the Test Set . .
Packaging . . . . . . . . . . . . . . . .
2-l
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Address Switches
5-2
5-3
. . . . . . . . . .
. . . . . . . . . .
. . . . . . . . . .
. . . . . . . . . .
. . . . . . . . . .
. . . . . . . . . .
2-l
2-l
2-1
2-l
2-l
2-l
. . . . . . . . . . . . . . . . . . . . . . .
Test Set Self-Test Indicators
If Self-test Fails to Run
. . . . . . . . . . . . . . . . 5-3
. . . . . . . . . . . . . . . . . . . 5-3
Configuration Switch
Check VTO/Driver (LO)
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
5-4
5-5
Test Set Self-Test Indicators
. . . . . . . . . . . . . . . . 5-5
. . . . . . . . . . 2-2
Test Set Troubleshooting Using Time Domain
Test Set Assembly Replacement Procedures
. . 5-6
... 5-7
. . . . . . . . . .
2-5
(1) Bias Tee
(2) Coupler
(3) Switch/Splitter
(4) Frequency Converter
(5) Sampler
5-9
5-l 0
510
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 3. OPERATION . . . . . .
Introduction . . . . . . . . . . . . . . . .
Front Panel Features . . . . . . . .
Rear Panel Features . . . . . . . . .
3-l
3-l
. . . . . . . . . . . . . .
. . . . . . . . . . . . . .
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
3-2
3-3
3-4
3-4
3-4
3-4
3-4
3-5
3-5
. . . . . . . . . . . . . . . . . . . . 5-10
5-l 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operator’s Check . . . . . . . . . . . . . . . . . . . . . . . . .
(6)
Assembly
. . . . . . . . . . . . . . . . . . . . . . . . .
Equipment . . . . . . . . . . . . . .
Procedure . . . . . . . . . . . . . . . . .
HP 85148 Operator’s Check . .
Sampler Test . . . . . . . . . . . .
b1 Thru Test . . . . . . . . . . . . .
b2 Thru Test . . . . . . . . . . . . .
. . . . . . . . . . . . . .
. . . . . . . . . . . . . .
. . . . . . . . . . . . . .
. . . . . . . . . . . . . .
. . . . . . . . . . . . . .
. . . . . . . . . . . . . .
(7) Regulator Board Assembly
(8) Step Attenuator Assembly
(9) Capacitor
(10) 3.5 mm RF Connector Repair
Disassembly
. . . . . . . . . . . . . . . 5-l 1
. . . . . . . . . . . . . . . . 5-l 2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-l 2
. . . . . . . . . . . . 5-12
5-12
. . . . . . . . . . . . . . . . . . . . . . . . . . .
HP
Test
Table of Contents
i
5-l 3
5-13
5-14
5-l 4
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(11) Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . .
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(12) Port 1 3.5 mm Connector
Manufacturer Codes and
Reference Designations
HP 8514B Replaceable Parts
. . . . . . . . . . . . . . . . . 6-2
. . . . . . . . . . . . . . 6-3
HP 8514B Top View Showing Locations of
. . . . . . . . . . . . . . . . . . . . . . 6-7
Major Assemblies
. . . . . . . . . . . . . . . 5-14
. . . . . . . . . . . . . . 5-l 5
. . . . . . . . . . . . . 5-15
Port 2 3.5 mm Connector
Center Pin Repair Procedure
3.5 mm Nut Repair Procedure
HP 8514B Miscellaneous Mecnahical, Chassis,
. . . . . . . . . . . . . . . . . . . . . 6-8
and Electrical Parts
HP 8514B and HP 8512A Motherboard
. . . . . . . . . . . . . . . . . . . . 5-15
(13) Power Transformer
Unratioed Power Test
. . . . . . . . . . . . 6-13
Component Location Diagram
Parts Unique to HP 85148 and
. . . . . . . . . . . . . . . . . . . . . .
7
. . . . . . . . . . . . . . . . . . . . . . . . 5-17
HP
Test Set
. . . . . . . . . . . . . . . . 6-14
8512A Option 001 (1 of 2)
5-18
a1 Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
b1 Reflection Test
b2 Thru Test . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 6-16
Parts Unique to HP 85148 Option 002
HP 85148 Ports 1 and 2 Replaceable Parts
. . . . . . . . . . . . . . . . . . . . . . . 5-l 8
. . 6-17
. . . . . . . 6-l 8
8
Parts Unique to HP 85148 Option 003
. . . . . . . . . . . 6-20
. . . . . . . . . . . . . . 6-22
. . . . . . . . . . . . . . . . . . . . . . . . 5-18
HP 85148 Test Set
HP
HP 8512A Replaceable Parts
HP 8512A Top view Showing Locations of
Option
Parts
5-l 8
5-19
5-l 9
5-19
Sampler Test . . . . . . . . . . . . . . . . . . . . . . . . . .
b1 Thru Test . . . . . . . . . . . . . . . . . . . . . . . . . . .
b2 Thru Test . . . . . . . . . . . . . . . . . . . . . . . . . . .
Next Step . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . 6-26
HP 8512A Miscellaneous Mechanical, Chassis
Major Assemblies
. . . . . . . . . . . . . . 5-29
. . . . . . . . . . . . . . . . . . . . . 6-27
If Any User Channel Looks Bad
and Electrical Parts
HP 8512A Port 1 and Port 2
. . . . . . . . . . . . . . . . . . . . . 6-32
5-29
Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . 5-30
Service Procedure
Replaceable Parts
. . . . . . . . . . . . . . 5-30
Service Adapter Conclusions
. . . . . . . . . . . . . . . . . . . . . . . .
7-l
SECTION 7. SERVICE
. . . . . . . . . . . . 6-l
SECTION 6. REPLACEABLE PART6
. . . . . . . . . . . . 8-l
SECTION 6. PERFORMANCE TESTS
6-l
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . .
SECTION 9. ADJUSTMENTS
. . . . . . . . . . . . . . 6-l
Exchange Assemblies Available
. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
6-2
SECTION 10. MANUAL BACKDATING
Replaceable Parts Lists
HP
Test
Table of Contents
ii
Figure l-l. HP 8514B (upper) and HP
Test Sets
HP
Test Sets
General Information
1-0
Section 1. General Information
The purpose of this manual is to enable you to use your HP 8514B S-parameter or HP
reflection/
transmission test set effectively and confidently. These test sets are integral components of the
HP8510 measurement system. For that reason, this manual has been divided into two major portions
(Operating and Service) to be an integral part of the HP8510 documentation.
l
General Information
Installation
Operation
Performance Tests
l
l Adjustments
l Backdating
The Service part consists of :
l
Replaceable Parts
Service
The major topics of this section, General
are:
l
l
l
how to use the test set
what the test set is
operating, safety and warranty considerations
test set specifications
The
and
have been designed to operate specifically with the HP8510 network
analyzer.
To install the instrument, turn to the Installation section of this manual.
l
l
To check the proper operation of the test set, see the Operator’s Check in the Operation section of
this manual.
To see the specifications of the test set refer to Specifications in the
in volume 1 of the HP 8510A manual set.
System Manual or
Genera/
l-l
General Information
HP
Test Sets
l
l
To verify that the instrument meets its published specifications, turn to the Performance Tests
section in the HP8510B System Manual or Volume 2 of the Operating and Service Manual.
Note that the can be performance tested only to 18
with the
software.
To troubleshoot the test set, refer to the Service Overview section and the
section of the Service Manual. Or refer to the Service section in Volume
Operating and Service Manual. Otherwise call your local Hewlett-Packard office.
Troubleshooting
of the
4
You will find a two-part serial number on the rear panel of the instrument. The first four digits and the
letter are the serial number prefix. The last five digits are the sequential suffix which is unique to each
test set. The contents of this manual apply directly to test sets with the same serial number prefix as the
one(s) on the title page under the heading Serial Numbers.
If the serial prefix of your test set is not listed on the title page, your instrument differs from those
documented in this manual. The differences are documented in the yellow manual changes supplement
supplied with the manual.
To keep this manual as current and accurate as possible, Hewlett-Packard recommends that you
periodically request the latest manual changes supplement, as it may contain replacement information
as well as change information. The supplement for this manual is keyed to the manual’s print date and
part number (on the title page) and is available on request from Hewlett-Packard.
You can order this manual in microfiche form (the part number appears on the title page). With the
manual (in 4 x 6 inch microfilm transparency format) you will also receive the latest manual changes
supplement.
The combination of the HP 8514B test set with the HP8510 network analyzer and source provides a
system for making S-parameter measurements over the frequency range of 45 MHz to 20
This
system is suited for making measurements on two port devices when it is inconvenient or inexpedient
to physically reverse the DUT (device under test) to measure all four S-parameters.
The
uses two couplers for signal separation. For measurements of active devices, the
standard HP 8514B includes:
l
l
four RF to IF converters to measure all four S-parameters without reconnecting the DUT,
two 90 programmable step attenuators for changing (in 10 steps) the incident power
level at both ports,
two bias tees for applying external dc bias to both test port center conductors.
l
HP
Test Sets
General Information
1-2
This option adds IF switching capability to allow up to four test sets to be connected to the HP8510B at
the same time. The test set in use is selected from the HP85108 front panel. The 20 MHz IF signal is
transmitted from the standard test set through the option 001 test set(s) to the network analyzer. IF
switching is performed automatically by the option 001 test set(s), without reconnections.
This option deletes the 90
be applied externally, using the
programmable step attenuators and the dc bias tees. Note that bias can
bias tee, if bias is required but attenuation not.
This high forward dynamic range configuration is described in detail in this section under the title
Description and Operating Characteristics of the Instrument.
This option is a combination of option 002 and option 003, which were previously described.
This option supplies the test set with the parts required to rack mount it with handles removed. Refer to
the
section of this manual for additional information.
This option provides a duplicate test set manual.
This option supplies the test set with the parts required to rack mount it with handles. Refer to the
INSTALLATION section of this manual for additional information.
Option W03 converts the standard one year return to Hewlett-Packard warranty to a 90 day on-site
warranty. W03 can only be ordered at the time of instrument purchase. Instruments ordered with option
W03 are identified on the serial number label, or on a special identification label supplied with the
instrument.
Option
Option
adds two additional years of return-to-HP service, to follow the first year of warranty.
can be ordered only at the time of purchase. Instruments ordered with option are
identified on the serial number label, or on a special identification label supplied with the instrument.
NOTE: additional system warranty information is included in the HP8510 manual set.
HP
Test Sets
General Information
1-4
Figure 3-1 shows the accessories supplied with the
Table 3-l). The accessories, with part numbers, are listed in the
and 8512A test sets (except as noted in
section for both test sets.
NOTE: Additional HP8510 system accessory information is located in the HP8510 manual set.
Calibration, Verification and Adapter Kits.
Hewlett-Packard offers several calibration kits suitable
for calibrating an or 8512A when making error corrected measurements. Each calibra-
tion kit noted below includes a set of precision standards to calibrate an HP8510 system in the indicated
interface. Additional information is located in the System and Documentation Overview section of the
System Manual and volume 1 of the
manual set.
Calibration Kit
Connector Type
Verification Kit
Adapter Kit
3.5 mm
7mm
Type-N
3.5 to 7 mm
HP
HP
HP 85051 B
HP 85055A
HP
HP 85054B
HP
1. These adapters attach directly to the 3.5 mm test ports.
RF Cables. The HP 85131D 3.5 mm Test Port Return Cable Set is a pair of 21 inch long cables specified
from DC to 26.5
Typically it is used with the
One of the cables has 3.5 mm (f)
connectors, the other cable has one 3.5 mm (f) and one 3.5 mm (m) connector.
The 7 mm Test Port Return Cable is a single, 36 inch cable for measurements where the
device is connected directly to one test port. It is typically used with the
7 mm connectors. Its frequency range is DC to 18
The cable has two
Transistor Test Fixture Kit. The
measurement system for testing and characterizing stripline packaged microwave transistors.
Although it has 7 mm connectors and a frequency range limited to 18 the TTF may be easily
Transistor Test Fixture Kit (TTF) is a comprehensive
adapted for use with the HP 85148. Please consult with your local HP Systems Engineer for specific
recommendations.
l-5
General Information
HP
Test Sets
Handle only at Static Safe
Work Stations
Beware of electro-static damage (ESD). The input connectors (test ports
or cables or adapters connected to the test ports) are very sensitive to
ESD. Use a grounded wrist strap when attaching devices to the input
connectors.
Otherwise, you need observe only normal precautions in handling and operating the test set. Do not
exceed the front panel operating level power input as noted:
Maximum Operating Power Level
Test Port
Port 1 and 2
HP 8512A Port 1
Port 2
-13
l
l
Do not torque anything to the test port connector with greater than 90 N-cm
wrench supplied with your accessory kit is calibrated 90 N-cm (8 in.-lb.).
of torque. The
Do not torque anything to the Source RF input, on the back of your test set, with greater than 90
cm (8 in.-lb.).
Service
The voltages in this test set warrant normal caution for operator safety. Nevertheless, service should
be performed only by qualified personnel. Service strategy, troubleshooting procedures, replaceable
parts and similar information for the HP 85148 and 8512A test sets is in the
Service Manual.
Table 2-5 lists additional equipment and accessories required for use with the HP 8514B and 8512A test
sets. The table notes which items are required to verify the performance of the test sets and which are
required to operate them. Other equipment may be substituted if its specifications meet or exceed the
specifications listed in the critical specifications column.
HP
Test
General Information
l-6
Section 2. Installation
This section explains how to install the HP 8514B and
test sets. The topics covered include
initial inspection, environmental considerations, positioning and connecting the test set for use, and
packaging the instrument. Refer to the Installation section of the HP8510 manual for more complete
system connection and turn-on instructions.
Inspect the shipping container (including cushioning material) for damage. If it is damaged, keep it until
you have checked the contents for completeness. The contents are listed and illustrated in Figure 2-l.
In addition, check the test set mechanically and electrically. If the test set and shipping container are
undamaged, passing the Operator’s Check (in the Operation section) should suffice for incoming
inspection. If the test set does not pass the Operator’s Check, refer to the troubleshooting procedures
in the service portion of this manual. Alternatively, call your local HP customer engineer.
If the shipping container is damaged, perform the performance tests outlined in the HP8510 manual
set. If the test set fails the performance tests, or is damaged or defective, keep the shipping materials
and notify both the carrier and the nearest Hewlett-Packard office. The HP office will arrange for repair
or replacement of the test set without waiting for settlement of the claim. If any of the following
accessories are not received with the test set, notify your nearest HP office and the missing parts will be
sent to you.
To perform within specifications, the test sets should be operated in temperatures between 0°C and
with relative humidity less than 95% (at 40°C dry bulb temperature, maximum). They may be
operated at altitudes up to 4,500 metres (15,000 feet).
The test sets may be stored in temperatures from -40°C to
with relative humidity up to 90% at
(maximum dry bulb temperature) and at altitudes up to 15,240 metres (50,000 feet).
Typically the test set is placed on a work surface whether it is rack-mounted or used on a bench. To
install the flanges to rack mount the instrument (with or without handles) in a standard 19 inch rack, refer
to Figure 2-2.
Installation
2-1
HP
Test Sets
3 .
7.
l
* HP 8514B
HP Model or Part Number
HP 8512A
HP 8512A
Power
item
HP
8120-1348
08510-60102
8120-3445
08513-60009
08512-20019
8120-1348
08510-60102
8120-3445
1. Test set IF interconnect cable
2.
cable
3. RF cable (flexible)
4. Short reference port extension
5. Long reference port extension cables (2)
08513-60009
08512-20019
08514-20013
cables (2)
871 0-l 764
8710-1770
1250-l 894
6. Torque wrench
7. Open end wrench in. X
in.
1250-1894
08512-60002
8. Type-N (m) to SMA (m) adapter
9. Attenuator (20
7 mm)
08515-60003
10. Anti-rotation clamps (2)
Specifications and Performance Verification
08510-10033
08515-90014
5954-1566
08510-10033
08515-90014
5954-1566
Program and Data Disk
Operating and Service Manual’
Principles of Microwave Connector
1. Not shown.
2. Use between HP 85132C cable and Port 2 of HP 8512A for S21 measurements.
Figure 2-1. Accessories supplied with
and
HP
Test Sets
Installation
2-2
OPTION 908
RACK MOUNT KIT
3. Remove feet before rack mounting.
WITH HANDLES REMOVED
HP Part Number 5061-9677
FRONT OF
1. Remove trim,
screws. and handle.
INSTRUMENT
2. Attach rack flange with
pan head machine screws
INSTRUMENT
OPTION 913
RACK MOUNT KIT FOR
3. Remove feet before rack mounting.
INSTRUMENTS WITH PREVIOUSLY
ATTACHED FRONT HANDLES
HP Part Number 5061-9771
I
I
NT
screws
1. Remove trim and
2. Attach rack flange with
pan head machine screws.
INSTRUMENT
Attaching Rack Mounting Hardware
Figure 2-2.
Installation
2-3
HP
Test
The recommended rack is the
configuration with the HP8510 are provided in the HP8570
Instructions for rack mounting the test set in a system
section and in the
System Rack Manual.
When installing the test set for use on a bench, place it on a grounded anti-static work surface (Figure
2-3) to lessen the chance of ESD damage. The anti-static surface should extend far enough in front of
the test set to provide effective protection at the test ports and cable ends.
If your test set is equipped with a grounding receptical, you may use that in place of a static mat.
Figure 2-3. Recommended Static Free Workstation
HP 8514B PORTS 1 and 2 are precision 3.5 mm male connectors and mate with
Mating Connectors.
precision 3.5 mm female connectors. The HP 8512A has 7 mm test port connectors.
The TEST SET INTERCONNECT connector is a series D subminature female connector with 7 RF
connections.
The 8510 SYSTEM BUS connector is a female
male connectors of cables.
type connector and mates with the corresponding
Figure 2-4 shows the following connections (with the exception of
Power and Control Connections.
line power) and the required RF source connections.
Connect the power cord to an electrical outlet and the line module to supply power to the test set.
Connect the test set IF interconnect cable from the
TEST SET INTERCONNECT connector on the
rear panel of the test set to the
HP85102 IF Detector.
TEST SET INTERCONNECT connector on the rear panel of the
HP
Test Sets
2-4
Installation
Connect the system bus cable from the HP85148 (or 8512A) J12 8510 SYSTEM BUS connector to the
8510 of the HP85101 display/processor. The test set IF interconnect cable
and the system bus cable transmit control signals between the test set and the network analyzer.
Signal Path Connections. The IF signals from the test set are transmitted to the HP 85102 IF Detector
by the test set IF interconnect cable (see above).
RF signals are transmitted from the source to the test set by the 3.5 mm flexible RF cable supplied with
the test set. Recommended torque is 56 N-cm
for the RF cable-to-test-set/RF input connection.
Anti-Rotation Clamps. only) Use these clamps to stabilize the test port/RF cable connec-
tion. Connect the test port cables to the test ports and tighten them as specified in the cable manual.
Loosen the anti-rotation clamp thumb screw sufficiently to slip the clamp over the cable and up to the
front panel. The clamp end with the flats should come to rest on the flats of the test port shoulder. Finger
tighten the thumb screws to prevent further loosening or tightening of the test port/RF cable connec-
tion.
The internal O-ring is field replaceable without disassembling the anti-rotation clamp. Pry it out with fine
tweezers or a similar tool when it no longer holds the RF cable securely. Insert the new O-ring by
engaging one side of it in the slot of the phenolic clamp donut. Use your fingers to push the O-ring into
the rest of the slot.
The HP part number of the O-ring is 0900-0007 (CD 7).
If reshipping is required, each test set should be repackaged in the original factory package. Con-
tainers and materials identical to those used by the factory are available through Hewlett-Packard
offices.
Alternatively, comparable packaging materials may be used. Wrap the test set in heavy paper or anti-
static plastic. If shipping to an HP Office or Service Center, complete and attach a service tag (in the
HP 8510 manual set). Use sufficient shock absorbing material on all sides of the test set to provide a
thick, firm cushion and prevent movement. Seal the shipping container securely and mark it FRAGILE.
In any correspondence with HP, refer to the test set by full model and serial number.
installation
2-5
HP
Test Sets
8510 INTERCONNECT
TEST SET
INTER-
CONNECT
.
HP
TEST SET
8510 INTERCONNECT
8510 INTERCONNECT
HP
SWEEP OSCILLATOR
HP
OR
SYNTHESIZE0
Figure 2-4. HP
and
System Connections
HP
Test Sets
2-6
Section 3. Operation
This section illustrates the features and functions of the front and rear panels of the HP 8514B and
8512A test sets. It also includes an operator’s check procedure. The function of the operator’s check is
to confirm that the HP 8514B and HP 8512A test sets function properly as part of an HP 8510 system.
The performance tests documented in the
manual set are a more rigorous check. Volume 2 of the
only.
System Manual and volume 2 of the
manual set documents the
l
l
Also included in this section: a description of the Multiple Test Set Option (Option 001).
Instructions for connecting a cable and anti-rotation clamp to your test set test port.
3-l
Operation
HP
Test Sets
6. al LED.
only) This LED indicates that the
is internally switched to the 1 or S21 mode and
1. Line Switch.
This switch turns the test set on and off. When
HP
the side of the switch labeled 0 is depressed, the test set is
source power is switched to Port 1.
off; I is on.
7. a2 LED.
(HP
is internally switched to the S22 or S12 mode and
source power is switches to Port 2.
only) This LED indicates that the
2. Line LED.
This LED goes on and off with the test set line
This LED lights about two seconds after power
switch.
3. Active LED.
8. Bias Fuse.
only) The fuse which limits bias
is turned on, following the successful conclusion of self-test.
applied to Port 2 is within this holder (see the instrument
front panel or the replaceable parts list for the value of the
fuse F2).
4. Port 1.
This test port transmits RF energy from the source
to the DUT and receives reflected RF energy from the DUT.
The reflected RF energy is coupled to a sampler within the
instrument.
9. Port 2.
In the
this test port transmits RF energy
from the source to the DUT and receives reflected RF energy
from the DUT.
5. Bias Fuse.
only) The fuse which limits bias
In the
this port only receives transmitted (from
applied to Port 1 is within this holder (see the instrument
front panel or the replaceable parts list for the value of the
fuse
Port 1) RF energy. The received RF energy is input directly to
a sampler within the instrument.
Figure 3-1.
Front Panel Features HP
(upper) and HP 8512A
HP
Test Sets
Operation
3-2
14.
15.
Test Set Interconnect. This connector is used only in test sets
with option 001. It allows connecting another test set to the option
001 test set. Up to four test sets can be serially connected to the
HP 8510. The HP 8510 system automatically selects the IF output
from the chosen test set for processing and display.
10. Line module. This assembly houses the line cord connector, line
fuse and line voltage selector. Pull out the right side of the line
module cover to replace or change the fuse or to change the voltage
selection. Note that the voltage selector drum must be removed to
rotate it to a different voltage setting. Recommended fuse values are
printed on the rear panel.
Test Set Interconnect. This connector transmits the IF signal
from the test set to the HP85102 IF Detector. It also transmits control
signals bidirectionally.
This pair of 3.5 mm connectors holds the reference
11. Extension A.
port extension cable (RPEC. supplied) used to equalize the length of
the reference signal-a2 sampler path with the test signal-b2 sampler
path.
18. 8510 System Bus Address Switch. This five-pole binary-weighted
switch sets the system bus address of the test set. The binary weight
of each pole is indicated on the rear panel as are the on and off
positions. Decimal twenty (off-off-on-off-on. from left to right) is the
default setting.
When the DUT is connected to Port 2 with any of the recommended
RF cables, connect the long RPEC to Extension A.
This pair of 3.5 mm connectors holds the reference
12. Extension B.
port extension cable (RPEC. supplied) used to equalize the length of
17.
8510 System Bus Connector. This connector is used for
communications with the HP85101 display/processor.
the reference signal-al sampler path with the test
path.
sampler
only) This female BNC connector is used to
18.
2 Bias.
supply bias through the center conductor of Port 2 to active devices
under test.
When the DUT is connected to Port 1 with any of the recommended
RF cables, connect the long RPEC to Extension When the DUT is
connected directly to Port connect the short RPEC to Extension B.
(HP8514B only) This female BNC connector is used to
19. Port 1 Bias.
supply bias through the center conductor of Port 1 to active devices
under test.
This
connector receives RF energy from the
13. RF Input.
source.
Figure 3-2. Rear Panel Features
HP
(upper) and HP
Operation
3-3
HP
Test
Passing this check confirms that the HP
HP8510 system.
and HP 8512A test sets function properly as part of an
HP Model or Part Number
Item
Network analyzer system . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP
Test port return cable set . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test port return cable
. . . . . . . . . . . . . . . . . . . . . . HP 8493C option
20 attenuator (pad)
Plug in and turn on the test set (it should not be connected to any other instrument or device now). The
line LED should light immediately and the active LED should light in about two seconds. Those
indications mean that the instrument has passed its self-test. Turn off the test set and connect it to the
HP8510 system as shown in Figure 3-3. Turn on all of the system instruments, network analyzer last.
Let the instruments complete their self-tests.
Remove any cables or
from the test set test ports. Press [PRESET] STIMULUS [MENU] on the
HP85102 to preset the HP8510 and access the STIMULUS menu.
a.
b.
systems: press [STEP] on the HP85101 to put the source in step mode.
systems: press [SWEEP TIME] [0] [0] [k/m] to set the sweep time to 200 ms. In
narrow band systems, the level of the frequency band generated should match the levels shown in
Figure 3-3 for a given frequency.
Now perform either the HP8514B or 8512A Operator’s Check.
to Test Set Troubleshooting in the
Service Manual or contact your
local HP Service Office.
NOTE: All of the following
-27 at 20
CRT traces should decrease from
at 2
to
5
1. To check all of the samplers in the HP 85148 test set, first redefine the a2 and b2 phase lock and
drive paths:
Press PARAMETER [MENU] [User 3
LOCK] [REDEFINE DONE]
[REDEFINE PARAMETER] [DRIVE] [Port
a2.
[PHASE
Press [User 2
[REDEFINE PARAMETER] [DRIVE] [Port
[PHASE LOCK]
[REDEFINE
DONE] to redefine b2.
HP
Test
3-4
2. Connect an open (or short) to port 1 and port 2.
3. Press [User 1 al], [User [User and [User
The b, and traces should resemble Figure 3-3. The a, and
2
3
4
bl] to check the channels indicated.
traces should resemble Figure 3-4.
Figure 3-3. Typical Operator’s Check CRT Power Level Trace
4. Connect a thru (two test port return cables) from port 1 to port 2.
5. Press PARAMETER [MENU] [USER 4 bl] [REDEFINE PARAMETER] [DRIVE] [PORT
[PHASELOCK]
[REDEFINE DONE] to observe the bl thru power level trace. The trace should
resemble Figure 3-4.
6. Leave the thru connection of step 4 connected. Press PARAMETER [MENU] [USER 2
[REDEFINE PARAMETER] [DRIVE] [PORT
[PHASELOCK] [al] [REDEFINE DONE] to observe
the b2 power level trace. The trace should resemble Figure 3-4.
Make sure that you redefine the parameters to the original conditions for al, bl, a2, and b2.
7. If any of the traces are not within the specified limits, check all of the connections and repeat the
above procedure. If symptoms persist, refer to the Service Overview section of the
Service Manual or volume 4 of the HP 8510A manual set.
Operation
3-5
HP
Test
NOTE: All of the following
CRT traces should decrease from
5
at 0.5
to
at 18
Figure 3-4. Typical Operator’s Check CRT Power Level Trace
1. Press PARAMETER [MENU] [USER 1 al] to see the channel al power level trace.
2. Connect an open (or a short) to port 1.
3. Press [USER 4 bl] to observe the bl power level trace. The trace should resemble Figure 3-3.
4. Connect a thru (a 20
attenuator and test port return cable) between port 1 and port 2.
5. Press PARAMETER [MENU] [USER 2
[REDEFINE PARAMETER] [DRIVE] [PORT
[PHASELOCK] [al] [REDEFINE DONE] to observe the b2 power level trace. The trace should
resemble Figure 3-4.
6. If any of the traces are not within the specified limits, check all of the connections and repeat the
above procedure. If symptoms persist, refer to the Service Overview section of the
Service Manual or volume 4 of the HP
manual set.
HP
Test
3-6
Option 001 for the HP 851X-series test sets allows an HP 8510 to alternately control up to four test sets.
While a measurement is proceeding on Test Set number 1, which is equipped with option 001, test
device hookup can be accomplished on Test Set number 2, which does not need to be equipped with
option 001, unless another test set is to be connected. When the measurement on test set number 1 is
complete, then the HP 8510 can control test set number 2. Only one HP 8516A test set may be used in a
multiple test set configuration.
In a standard test set, the 20 MHz IF and control signals are applied directly to
INTERCONNECT, which connects to the HP 8510. Option 001 adds a set of IF switches, control
switches, and the TEST SET INTERCONNECT connector. This allows the selection of 20 MHz test
set IF signals. As shown in Figure 3-5, test set number 1 can apply its IF to the HP 8510 or it can switch to
pass the IF from test set number 2 through the TEST SET INTERCONNECT to the HP 8510.
TEST SET
Set each test set rear panel address switch to the address listed in Figure 3-5, if using a two test set
configuration and Figure 3-6, if configuring more than two test sets. Use the supplied Test Set
Interconnect cable to connect test set number 1,
Interconnect cable to connect test set number 2,
to the HP 8510. Use the supplied Test Set
to test set number 1, You may continue this
test set “daisy chain” to include up to four test sets if the total length of all Test Set Interconnect cables
does not exceed 13 meters (about 40 feet). The last test set in the chain does not require option 001.
If the RF coaxial switch(s) is not incorporated into the system, then the RF input to the test set must be
manually switched to the active test set.
Upon power-up, the IF switches must be configured so that only one system test set is active. The
following procedure shows how to make one test set active.
1. Check the active lights of all system test sets.
2. Check the HP 8510’s expected test set address by pressing [LOCAL] [TEST SET]. This should
match the address of the desired test set. If not, change the address.
3. If unselected test sets are active, (active light ON), deactivate the test set by temporarily addressing
it. Then return to the desired address.
Operation
3-7
HP
Test
HP
ANALYZER
HP
OR
SOURCE
NOTE:
Not all system connections are shown.
2. In dual source configurations, the second can be multiplexed in a similar manner. If only one dual source test set is used,
the second source can be directly connected to the appropriate test set.
HP 33311C Coaxial Switch Positions with Two lest Sets
HP 33311 C Coaxial Switch
Port Selected
New ADDRESS
of Test Set
Test Set
Selected
1
Port
1
2 0
Port 2
21
2
Figure 3-5. RF and IF Sw itching with Two Test Sets
HP
Test Sets
Operation
3-8
Test Set IF Switching.
The active test set is selected by the built-in capability of the HP 8510 to
generate an addressed command to the test set. Each time the HP 8510 ADDRESS of TEST SET
function is changed (see HP 8510 LOCAL Menu), the HP 8510 switches the previously addressed test
set IF to external and the newly addressed test set IF to internal. The test set front panel ACTIVE
indicator shows the test set status. When the test set is active the IF signals from the test set are applied
directly to
TEST SET INTERCONNECT. When the test set is inactive the IF signals appearing at
are passed through to
and on to the next test set or the HP 8510.
The address of the test set can be changed manually from the HP 8510 front panel by selecting the
ADDRESS of TEST SET function then entering the address of the test set and pressing [xl], or it can be
changed under program control using the HP 8510 HP-IB ADDRTESS; command. The HP-IB address
of a particular test set is set by address switches on the test set rear panel.
A related feature of the HP 8510 is that when the HP 8510 ADDRESS of
RF Switch Driver Commands.
TEST SET function is changed, a code sequence is automatically issued over the HP 8510 system bus
to the device at the ADDRESS of RF SWITCH. In the recommended configuration, this device is an HP
11713A Attenuator/Switch Driver which in turn controls one or more HP 33311C Coaxial
As
shown in Figures 3-5 and 3-6, these switches are used to select which of the test sets receive the RF
output of the network analyzer source. The exact command issued depends upon the new value of the
ADDRESS of TEST SET function, also shown in Figures 3-5 and 3-6.
After selecting the active test set, perform the system calibration procedure as usual. When you select
a different test set, make sure that you recall the Cal Set that applies to that test set.
Since the Cal Set Limited Instrument State does not include the number of the active test set, a Cal Set
which does not apply to the current test set can be turned on without any HP 8510 caution messages
appearing. This will cause errors in the displayed data because incorrect error coefficients are applied
to the measured data.
It may be convenient to store a Hardware State file and an Instrument State file for each combination of
test set and cal set. You may also store your Hardware State file on a tape or disc for future use. To
change the configuration, simply recall the appropriate Hardware State file, which sets the Address of
Test Set and issues the RF switch command, then the appropriate Instrument State file, which recalls
the Cal Set.
To check operation of a multiple test set configuration, first connect a device with a known response at
test set number 1, then press HP 8510 [LOCAL] [TEST SET], [ADDRESS of TEST
enter the
address of test set number 1 (this would be then press [xl]. The test set number 1 measurement
should appear. Press [DISPLAY] [DATA--MEMORY] [DISPLAY: DATA and MEMORY] to store the
trace for later comparison. Now use ADDRESS of TEST SET to select test set number 2, then switch
back to test set number 1. Observe any difference in the response between the stored trace and the
result after switching back and forth between the test sets. Repeat for each of the test sets. Any
difference in the data believed due to the option 001 IF switch or RF switching must be investigated.
Standard System Performance Verification procedures are used to verify the operation of the option
001 test set as test set number 1. To verify the performance of another test set in the chain, select it as
the active test set and proceed as usual.
Operation
3-9
HP
Test Sets
A
T
E
S
T
J
RF
NOTE:
Not all system connections are shown.
2. In dual source configurations, the second can be multiplexed in a similar manner. If only one dual source test set is used,
the second source can be directly connected to the appropriate test set.
HP 33311C Coaxial Switch Positions with Four lest Sets
HP 33311 C Coaxial Switch
New ADDRESS of
Test Set
lest Set
Selected
Port Selected
Switch
Switch
Port 1
Port 1
Port 2
Port 2
Port 1
Port 2
Port 1
Port 2
20
21
22
23
2
3
4
Figure 3-6. RF and IF Switching with Four Test Sets
HP
Test
Operation
3-10
The HP 08515-60003 Anti-Rotation Clamps are used to secure the RF connections at the test ports of
several Hewlett-Packard test sets. When installed, each clamp holds the large nut that secures the test
set RF port connector to the front panel, and the RF cable connector or the front panel adapter mated
with the port connector.
Without the clamps, the test port connections may become loose after moving the connected device
and could invalidate calibrations and measurements.
Although the anti-rotation clamps may be used with front panel adapters, these instructions
NOTE:
refer to an installation using the HP RF Cables. Adapter installations will be similar.
1. Two anti-rotation clamps are included in the test set accessories box. Remove one from the box
and loosen the thumbscrew until it is almost out of the counter-bored hole in the clamp body.
Gently push the clamp (round-hole end first) over and past the RF cable connector you will connect
to the test set RF port. The rubber O-ring in the round end of the clamp will fit tightly over the
connector. Wiggle the clamp if necessary to get it over the connector.
Connect the cable to the test port and tighten as specified in the cable manual. Make sure that you
do not twist the cable as you attach it to the test port. Use the torque wrench supplied with your
calibration kit to tighten the cable to no more than 90 N-cm (8 in.-lb.).
2. Important! The test set RF connector is easily loosened so hold the RF cable throughout the rest of
this procedure. Do not allow the cable to rotate.
3. See Figure 3-7. Turn the clamp so that the thumbscrew is pointing up. From there, turn the clamp to
visually align the clamp flats with the flats on the test port connector nut. This will minimize rotating
the connector in the next step.
The flats may be in any orientation in respect to the front panel.
NOTE:
Figure 3-7. Visually Aligning Clamp and Nut Flats
3-11
Operation
HP
Test Sets
4. See Figure 3-8. Hold the cable with one hand and with the other, press the clamp gently and steadily
while wiggling the clamp straight over the RF connector and onto the test port connector nut. The
internal flats in the clamp must fit over the flats on the test port connector nut. Try not to rotate the
clamp as you do this or the RF connection may be loosened.
Mating the Clomp and Nut Flats
Figure 3-8.
5. See Figure 3-9. Make sure that the thumbscrew is aligned with the counter-sunk hole in the clamp
body. Push the clamp toward the test set front panel and then tighten the thumbscrew with your
fingers. The cable cannot be damaged by tightening the thumbscrew too tightly.
INCORRECT
CORRECT
Figure 3-9. Aligning the Thumbscrew With the Counter-bored Hole
6. Repeat steps 1 through 5 for the other clamp.
This completes the anti-rotation clamp installation procedure. Refer to the installation section of the
test set operating and service manual for instructions to replace the internal O-ring in the anti-rotation
clamp.
HP
Test
Operation
Section 4. Specifications
Specifications describe the warranted performance of the instrument.
The electrical specifications of the HP8514B and
analyzer are defined in the Specifications section of the
test sets with an
System Manual. Specifications for
volume 1 of the HP 8510A manual set.
network
HP
systems are also defined in
HP
Mechanical Specifications
Table 4-1.
Test Ports (Front Panel)
Connector type: NMD-3.5 mm Center Pin Recession: 0.005 mm to 0.056 mm
(0.0002 in to 0.0022 in.)
NOTE: Refer to your calibration kit manual for information on how to use your gages.
Specifications
4-l
HP
Test Sets
The supplemental characteristics listed in the following tables are intended to provide information
usseful in applying the instrument by giving typical, but non-warranted, performance parameters.
Table 4-2.
Characteristics
Test Ports (Front Panel)
Connector type: NMD-3.5 mm male
Impedance: 50 ohms nominal
DC bias: 500
40 VDC, maximum
Incident signal attenuation range: 0 to 90
in 10
steps
Damage input level:
CW RF’
Nominal operating power level:’
Frequency
Operating Level
0.045 to 8
8
to 20
0
Nominal connector nut size: 20 mm
Recommended torque: 90 N-cm. (8 in.-lb.)
RF Input Connector (Rear Panel)
Connector type: precision 3.5 mm female
Damage input level:
Source power levels for reference channel phase lock:
Minimum: 0
Maximum:
Nominal connector nut size: 8 mm
Recommended torque: 90 N-cm. ( 8
for precision
56 N-cm. (5 in.-lb.) for SMA
Do not exceed + 10
input for proper operation.
2. Available power in PRESET condition.
HP
Test Sets
Specifications
4-2
Table 4-3.
Characteristics
Test Ports (Front Panel)
Connector type: 7 mm
Impedance: 50 ohms nominal
Damage input level:’
Port 1:
Port 2:
Nominal operating power level:
Nominal Operating
Frequency
0.045 to 8
8
to 18
Nominal connector nut size: 20 mm
Recommended torque: 90 N-cm (8 in.-lb.)
RF Input Connector (Rear Panel)
Connector type: precision 3.5 mm female
Damage input level:
Source power levels for reference channel phase lock:
Minimum: -2
Maximum:
Nominal connector nut size: 8 mm
Recommended torque: Precision 3.5 mm 90 N-cm (8 in.-lb.)
SMA: 56 N-cm (5 in.-lb.)
1. Do not exceed
input to Port 1 or -10
input to Port 2 for proper operation.
Table 4-4.
and 8512A Power Requirements and Physical Characteristics
Operating Temperature:
0°C to 55°C
Power:
or 240 10%
47 to 66 Hz line frequency
Dimensions: 460 mm X 133 mm X 609 mm (18.1 X 5.25 X 24 inches)
17 kg (38 lb) net
15 kg (33 lb) net
Weight:
HP
Table 4-5. Recommended Equipment
Recommended Model
Critical Specifications
Item
HP 851
Network analyzer no substitute
Controller3
Disc
Multimeter
Oscilloscope
HP 9000 series 200 or 300 with 1 Mbyte memory
P
P
T
T
no substitute
compatible with controller
range: 0 to 50V
50 MHz bandwidth
HP 3456A
HP
1.0 = operation; P = performance test; T = troubleshooting
2. HP 8340 or 8341 or 8350 with plug-in. Refer to HP8510 INSTALLATION manual for additional information.
3. Not required for manual performance tests with HP 851 OA.
Specifications
HP
Test Sets
Test Set Troubleshooting
Section 5.
The information consists of procedures for checking the following:
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Test Set Temperature
Check All Connections
Check Power Supply/Regulator, Fuses, and Switches
Test Set Self-test Indicators
Check
(LO)
Test Set Troubleshooting Using Time Domain
Test Set Assembly Replacement Procedures
3.5 mm RF Connector Repair
Unratioed Power Test
The information in this section is presented as an aid in troubleshooting the HP
HP
and
HP 8514B test sets. If you are not certain that the problem with your system is due to a faulty test set,
read the sections titled Service Overview and
section only if you know the test set is faulty.
Diagnostics in this manual. Continue with this
refer to the material in the HP 8510A manual set.
For specific information about the HP
5-1
Test
Troubleshooting
HP
Test
The processor on the A4 HP-IB assembly monitors the test set temperature with a comparator on the
A3 summing amplifier. The temperature sensor is located on the Al4 VTO/driver assembly. If the
temperature of the VTO/driver exceeds 85°C the HP 85101 displays the “Test Set Too Hot” prompt.
TEST SET TOO HOT means turn off the test set immediately. This mes-
sage is only a prompt. It does not turn off the test set.
Determine the reason for the prompt before again subjecting the test set to continuous use. Make sure
the fan is operating properly and is not covered by a piece of paper, etc. Make sure the fan and the side
panel air exhaust has at least 8 cm (about 3 inches) clearance, and top cover exhaust has at least 1.5 cm
(about 0.5 inches) clearance.
Power holes (power loss at a specific frequency) often result from faulty connections. Check the
following connections:
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Test set rear panel (including the extension links)
Cables connected to the A3 summing amplifier and A5 Attenuator/Switch
Sampler cables
RF path connections from rear panel to front panel
Use a digital voltmeter to check the voltages given in Table 5-1. Use an oscilloscope to check AC ripple.
Use chassis ground as reference.
Table
Test Set Power Supply Tolerances
Maximum Ripple
Voltage Tolerance
Test Point
Nominal Voltage
2mV
2mV
2mV
2mV
to
-13.8 to
to
Al
Al
Al
Al
-15v
-4.8 to
- 5 v
Fuses for the regulator board assembly, rear panel, and front panel are specified in the parts list of each
test set. The locations of these fuses are also given in the parts list.
HP
Test Sets
Test Set Troubleshooting
5-2
Set the switches as indicated in Figure
(dark side of switch is depressed). The
address
switch is on the test set rear panel. The HP-IB address switch is easy to access but need not be
changed unless HP 8510 bus error messages are visible on the CRT. This switch is set to the binary
number 20 at the factory.
1
16
2
Figure 5-1. Default
Switch Setting for All Test Sets (20, Binary)
If the ACTIVE LED on the front panel does not light within two seconds of turn on, or lights immediately,
the test set has not passed its self-test. You can determine what part of the self-test failed by
determining which HP-IB
failures:
on the A4 assembly are lit. The table below shows the possible self-test
A4 HP-18
TLK
Elapsed lime
After Turn-on
(in seconds)
Self-test
Indication
REM
SRQ
PWON
ON
ON
ON
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
ON
ON
ON
ON
OFF
0 to 0.5
on briefly
0.52 to 2.0
Fail ROM Test
Pass ROM Test
Fail RAM Test
Pass RAM Test
OFF
OFF
OFF
OFF
after 2
Two seconds after turn-on all four HP-IB
light simultaneously. After going out briefly, the HP-IB
should go off, and the front panel ACTIVE LED should
will light according to the state of the test
set. If you are using multiple test sets, the first test set in line will be the active test set until another is
chosen.
If the portion of memory which contains the self-test programming is faulty, the self-test will not run
properly. The following conditions indicate that the self-test ROMs are faulty:
all
all
flash briefly and go off
flash briefly and stay on
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ACTIVE LED goes on before HP-IB
ACTIVE LED does not go on at all (check LED operation before proceeding)
go out
Test Set Troubleshooting
5-3
HP
Test Sets
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Figure 5-2. Location
A3 Assembly and A3 Configuration Switch Settings
The configuration switch is on the A3 summing amplifier assembly (see Figure 5-2). It is not easy to
access or reset (you must remove the top cover, a bracket, and the A3 assembly). Therefore, unless
one of the following conditions exist, don’t change it. Reasons to suspect these switches are set
incorrectly include:
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HP 8510 turn-on frequencies are not those of test set.
HP 8510 allows selection of two port S-parameters with a transmission/reflection test set.
HP
Test
5-4
Test
Troubleshooting
There are two procedures provided to check the VTO. The first one (a) checks the
at two
frequencies, the second one (b) is more thorough and checks the
range.
at 12 frequencies throughout the
a. Using a frequency counter and a voltmeter, check the
summing amplifier output as follows:
fundamental frequency and A3
Disconnect the Test Set-IF Interconnect cable. Using a BNC-to-snap-on cable (provided in the
service kit) connect the frequency counter to (labeled AUX, on the board assem-
is between 165 MHz and 195 MHz.
bly). Check that
Disconnect the cable to
The
frequency should be between 150 MHz and 190 MHz.
Check that
is between -5.6 and -6.8 Vdc.
If the
frequency is not correct, but the voltage at
is correct, suspect a bad VTO.
If the voltage at
is not correct, suspect a bad A3 summing amplifier assembly (assuming the
HP 85102 is working).
b. Use a power supply and a frequency counter to check the
Inject a -1 to -12V DC voltage ( in -1 volt steps) into the Al4
as follows:
drive
Monitor
to
verify that the
5-3 illustrates the relationship of voltage at
steps through its range of 65 MHz to 300 MHz (about -21.3 MHz/volt). Figure
to
oscillation frequency.
250
MEASURED
FREQUENCY
200 AT Al’+
AUX)
100
50
-12 -11 -10 - 9 - 6 - 7 - 6
- 5 - 4 - 3 - 2 -1
0
NEGATIVE DC VOLTAGE AT
Voltage/Frequency Relationship
Figure 5-3.
5-5
Test
Troubleshooting
HP
Test
Time domain response of the test set can be used to identify problems in the RF path. The plots below
show typical time domain responses of the HP and 8515A test sets. These can
be used as rough standards when trying to locate a problem in the RF path. Keep in mind that the
absolute location in time and absolute height of the responses will vary from test set to test set. The
significant factor is the relative height of the main impulse (determined by the calibrated short) and the
discontinuities. Discontinuities that may be causing a problem will usually stand out as being much
greater than the typical response.
Set up the system as follows to obtain a time domain trace:
1. Connect a short or shielded open to the test set port
2. Press [PRESET] [DOMAIN] [TIME BAND PASS] STIMULUS [MENU] [NUMBER OF POINTS]
[0]
[LOG
3. Set the START/STOP TIME, SCALE, and REF VALUE as indicated in Table 5-3, below.
Table 5-3. Suggested Parameter Values for Time Domain Troubleshooting
Refer to
Figure
REF Value
Scale
Stop Time
Start Time
Test Set
5-4
5-5
- 2 0
- 2 0
11.0 ns
6.0 ns
10
5
-1.0 ns
- 6. 0
HP
HP
4. For the HP 8514A or
you can check the port 2 responses using the same set-up as described
Peaks in the trace
above except connect the termination to port 2 and select S22 instead of
that are significantly greater than those shown indicate a possible loose or bad connection in the
RF path at that location.
Figure 5-4.
HP 8512A Typical Port Response
HP
Test Sets
Test
Troubleshooting
5-6
Figure 5-5. HP
Typical Port I and Port 2 Response
This section describes how to replace HP 8510 test set major assemblies and components. The HP
8510 test sets include the HP and 85148. This procedure does not explain how to remove
7 mm connectors. If your test set has 7 mm connectors, refer to the test set manual for removal
instructions.
Not all of the procedures apply to all of the test sets. Nor do all of the test sets contain all of the parts
documented in the following text and figures. Use them as applicable. The procedures appear in this
order:
1
Bias tee
2
3
4
5
Coupler
Switch/splitter
Frequency converter
Sampler
6
7
8
9
assembly
Regulator board assembly
Step attenuator assembly
Capacitor
10 3.5 mm RF connectors
11
12
13
Fan
Port 1 and 2 3.5 mm connectors
Power transformer
Before beginning any of the following procedures:
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Turn the test set OFF.
Remove the top cover.
Reverse the following procedures to install parts.
Test
Troubleshooting
5-7
HP
Test
Handle only at Static Safe
Work Stations
The assemblies handled in this procedure are VERY SENSITIVE TO
DAMAGE BY STATIC ELECTRICITY.
PLEASE PAY ATTENTION TO THESE INSTRUCTIONS! Expensive assem-
blies are destroyed EVERY DAY because anti-static precautions are not
taken seriously.
WEAR AN ANTI-STATIC WRIST STRAP THAT IS CONNECTED TO EARTH
GROUND. If you ground the strap to the instrument chassis, make sure
the instrument is plugged in, otherwise you are not connected to earth
ground. An ungrounded instrument can not provide sufficient protection,
and can even build up its own static charge.
Table 5-4. Required Tools and Supplies
Tools
Used On
HP Part Number
Anti-static wrist strap
all components
9300-1257 (Medium)
9300-0970 (Large)
9300-0797
Anti-static mat
Small pozidriv (1 pt.)
Medium pozidriv (2 pt.)
torque wrench, 72 lb-in
6” torque wrench, 10 lb-in
Clip lead
8710-0899
8710-0900
MTB 100 72 LB-IN
coupler
capacitors
purchase locally
6” nut driver
connector repair
connector repair
all connectors
3.5 mm connectors
all connectors
torque wrench, 25 lb-in
Microwave Connector Care Manual
3.5 mm connector
Connector cleaning
1 OOR 20 watt resistor
8710-1581
08510-90064
1250-1862
92193Z
capacitor removal
1. Order from Mountz Company, 1080 North 11th Street, San Jose, CA 95112.
2. Contains male and female gage and calibration block. These gages come with
mm HP 8510calibration kit.
If you own a calibration kit, refer to
kit manual for information on gaging and cleaning the connector.
3. Refer to the Microwave Connector Care Manual for cleaning instructions. Note, early versions of this manual
recommend cotton swabs, however, the new foam swabs provided in the connector cleaning kit should always
be used instead.
HP
Test
Test
Troubleshooting
5-8
Switch
Splitter
Transformer
Fan
Attenuators
Regulator
Board
a, Sampler
\
Sampler
Capacitors
b, Sampler
Port 1
Bias Tee’
Coupler
Sampler
Port 2
Coupler
Bias
Tee’
= Not Visible
General Component Location Diagram
Figure 5-6.
1. Desolder the wire connected to the bias tee.
2. Loosen the nuts on both sides of the bias tee.
3. Disconnect the semi-rigid cable from the bias tee and remove the tee from the test set.
5-9
Test
Troubleshooting
HP
Test Sets
1. Remove the bias tee as described in procedure (1).
2. Remove the aluminum shield (which covers the couplers), disconnect any wires that cross the
coupler and remove the two screws which attach the coupler to the test set chassis.
3. Disconnect the semi-rigid cable from the coupler to the sampler.
4. Carefully loosen the nut on the front of the test set with the 1 in. torque wrench. Remove the nut and
washer.
5. Move the coupler away from the front panel and lift it out of the test set.
6. Remove any brackets before sending the coupler to HP for repair.
NOTE: Reflection/transmission test sets use a splitter rather than a combination switch/splitter. Both
devices are installed in the same place in the various test sets.
1. Remove the semi-rigid cables from the switch/splitter with the
other cables as required to ease removal.)
in. wrench. (Reposition any
2. Remove the four (4) screws which attach the switch/splitter mounting bracket to the chassis.
3. Remove the switch/splitter and bracket from the test set.
4. Remove the bracket from the switch/splitter before sending the switch/splitter to HP for repair.
The frequency converter consists of a
samplers.
(voltage-tuned oscillator) assembly and three or four
Handle only at Static Safe
Work Stations
The frequency converter is especially sensitive to electrostatic dis-
charge. Wear a ground strap that is connected to earth ground when
performing this procedure.
HP
Test
Test Set Troubleshooting
5-10
1. Remove the semi-rigid cables from the samplers.
2. Remove the in-line attenuators from the samplers.
3. Remove all flexible cables from the frequency converter by gently pulling on the gold connector.
4. Unplug the ribbon cable near the front panel.
5. Unplug the harnessed (multi-colored) wire and socket assemblies.
6. Remove the four (4) frequency converter mounting plate screws and the frequency converter
bracket screw that fastens the frequency converter to the chassis. Lift the frequency converter out
of the test set.
7. Remove the frequency converter bracket by removing the two (2) pozidriv screws before sending
the frequency converter in for repair.
Torque all SMA connections to 56 N-cm (5 in.-lb) with the
torque wrench.
NOTE:
1. Remove the frequency converter (4) from the test set.
2. Remove the heat sink from the by removing the eight (8) screws that hold it to the VTO.
3. Remove the two (2) sampler mounting screws from the opposite ends of the sampler. Loosen the
nut connecting the to the sampler and remove the sampler.
1. Remove the frequency converter (4) from the test set.
2. Remove the 2 sampler mounting screws from each sampler. (The
removed for access.)
heat sink may need to be
3. Loosen the nuts connecting the
assembly.
to each sampler, disconnect the samplers and remove the
4. Remove the two (2)
mounting bracket screws to separate the bracket from the
before
returning the
to HP for repair.
Unplug the transformer socket from the regulator board.
2. Remove the three (3) mounting screws from the top edge of the regulator board. (It may be
necessary to disconnect some semi-rigid cables to ease removal of the screws.)
3. Remove the regulator board. (It may be necessary to partially back out one of the transformer
mounting screws for clearance.)
Test
Troubleshooting
5-11
HP
Test
1.
Unplug the ribbon cables of the step attenuator to be removed. (Remove the regulator board (7) to
access the ribbon cable sockets if necessary.)
2.
3.
4.
Remove the attenuator mounting bracket screws.
Remove the attenuator and mounting bracket from the test set.
Remove the mounting bracket from the attenuator before sending the attenuator to HP for repair.
1. Set the test set upright and pull the metal and plastic cover off the capacitors.
2. Turn the test set upside-down and remove the bottom cover.
NOTE: It is important to plug in the test set before performing step 3.
3. Discharge each capacitor terminal (large pozidrive screw on the bottom side of the test set) through
a high wattage resistor and clip lead to earth ground. Each capacitor has two (2) terminals.
Discharge every capacitor terminal for 30 seconds.
4. To remove a capacitor, remove the corresponding pair of screws and pull the capacitor out of the
test set.
Refer to Figure 5-9 and the following text to repair 3.5 mm connectors.
NOSE
CONNECTOR
LOCK
CONNECTOR
WRENCH
FLAT
Figure 5-7. Exploded Diagram of 3.5 mm Connector
HP
Test
Test Set Troubleshooting
5-12
1. Remove any attached cables from the connector to be replaced.
2. Use a in. wrench to loosen the gold nose connector. Remove the pin and bead assembly from
the connector. If only the pin and bead assembly needs to be replaced, continue with step 6.
3. From the inside of the test set, use the
rest of the connector.
in. nut driver to loosen the
in nut and remove the
4. Use the part numbers given below for replacement purposes.
Replacement Part
HP
Number
Nut
Lock washer
Bulkhead connector
Pin and bead assembly (3 pieces*)
Gold nose connector
2950-0132
2190-0104
08513-20017
5061-5394
08513-20016
*Assembled at the factory, not available separately.
5.
Assemble the bulkhead connector, lock washer and nut. Tighten the nut using the
to 495 N-cm (45 in.-lb).
in. nut driver
6. Clean the pin and bead assembly as described in the Microwave Connector Care Manual. Insert the
pin and bead assembly into the gold nose connector. Attach this assembly to the bulkhead
connector. Torque the bulkhead connector to 281 N-cm (25 in.-lb.)
7.
Clean the mating surfaces with liquid freon or alcohol and lint-free swabs.
8. Gage the pin depth of the gold nose connector.
Pin Depth Specification
Location
0.0000 to
0.0000 to
inch
inch
Front panel, HP 8511 A
Rear panel, HP
If the pin depth is out-of-specification, do not shim. Instead, install another pin and bead
NOTE:
assembly.
9. Reconnect the cables disconnected in step 1.
Turn the test set OFF and disconnect the power cord from the mains.
Electrocution can result if power is not removed from the test set prior to
this procedure.
To replace the fan, transformer
be unsoldered from line module
must be removed so that the ends of the fan wires may
NOTE:
Test
Troubleshooting
5-13
HP
Test
1. Turn the test set hon its right-hand side.
2. Use a inch open end wrench to remove the
cables connected between couplers A7,
A9 and bulkhead connectors J2 and J5.
3. Unplug the transformer connector mating with connector J2 on the Al5 regulator board assembly.
4. Use a large pozi-driv screwdriver to remove the four screws and washers holding transformer
onto the rear panel.
5. Use a large pozi-driv screwdriver to remove the one screw holding the transformer angle bracket to
the main deck. Carefully remove the transformer from the test set and put it on the bench close to
the test set. The transformer wires soldered to the FL1 line module are short, so do not pull on the
transformer too much.
6. Strip the heat shrink tubing off of the two fan wires and unsolder them from line module
wire cutters to cut any cable ties holding the fan wires to nearby cables.
Use
7. Use a small pozi-driv screwdriver to remove the screw and lockwasher securing the green/yellow
fan ground wire to the top of the rear panel frame.
8. Use a small pozi-driv screwdriver to remove the four screws holding fan
remove the fan.
to the rear panel and
1. Assemble the bulkhead connector, lock washer and nut. Use the
nut to approximately 500 N-cm (45 in.-lb.).
inch nut driver to tighten the
Clean the pin and bead assembly using the procedures described in the Microwave Connector
Care Manual (HP part number 08510-90064) provided with your HP 85108 manual set.
2.
Clean the mating surfaces with liquid freon or alcohol and lint-free swabs.
3.
4. Check the pin depth of the gold nose connector. The pin depth specification is 0.0000 to
inch.
NOTE: If the pin depth is not within specification, do not shim. Instead, install another pin and
bead assembly.
Reconnect the cables disconnected in step 1 using a
(5 in.-lb.).
inch torque wrench rated at 56 N-cm
9.
Refer to Figure 5-8 and the following text to replace or repair these 3.5 mm test port connectors.
HP
Test Sets
5-14
Test Set Troubleshooting
torque to
281-304 N-cm
(25-27 in-lb)
torque to
N-cm
in-lb)
\
J
3.5 MM NUT ASSEMBLY
TEST PORT CONNECTOR ASSEMBLIES
Figure 5-8. Exploded View of the 3.5 mm Port Connector
Procedure
NOTE: Damaged test port center pins must be repaired by replacing the complete test port
connector assembly.
1. Remove the test port connector assembly, using a
inch flat wrench.
inch torque wrench to the limits called
2. Replace with a new test port connector assembly using a
out in Figure 5-8.
3. Check the test port pin depth with a 3.5 mm gage. The center pin recession
to mm to in).
is i-O.005
1. Remove the damaged nut withh a
2. Replace with a new nut.
inch flat wrench.
3. Torque with a
inch torque wrench to the limits set in Figure 5-8.
(13) POWER TRANSFORMER
Turn the test set OFF and disconnect the power cord from the mains.
Electrocution can result if power is not removed from the test set prior to
this procedure.
1. Turn the test set on its right-hand side.
2. Use a inch open end wrench to remove the
cable connected between coupler A7 and
bulkhead connector J2.
Test
Troubleshooting
5-15
HP
Test
3. Unplug the transformer connector mating with connector J2 on the Al5 regulator board assembly.
4.
Use a large pozi-driv screwdriver to remove the four screws and washers holding transformer
onto the rear panel.
5. Use a large pozi-driv screwdriver to remove the one screw holding the transformer angle bracket to
the main deck. Carefully remove the transformer from the test set and put it on the bench close to
the test set. The transformer wires soldered to line module FL1 are short, so do not pull on the
transformer too much.
Strip the heat shrink tubing off of the transformer wires soldered to line module FL1 and unsolder
them. Unsolder the transformer ground wire connected to the chassis side rail.
6.
7. Remove transformer
When replacing the transformer, refer to Figure 5-9, which illustrates the
locations of the various wires connected to line module
FAN
TO
TO
WHITE
TO
FRONT PANEL
ON/OFF
SWITCH
Figure 5-9. Wire Connections to Line Module
HP
Test Sets
Test Set Troubleshooting
This procedure allows you to check the output power level of each test set sampler/mixer assembly
and its associated IF amplifier alone. The normal power level display, for example, is a ratio (in this
case, The network analyzer automatically powers and phase-locks a predefined port or ports to
make the measurement selected.
measurements provide useful data but they can mask certain malfunctions. Assume, for
example, the task is to measure an S-parameter at a specific power level. If the test set has a 20
power hole due to a faulty RF input connector, that deficiency would be invisible
out) in a
measurement. But the data would be incorrect; it would not have been taken at the specified power
level.
Similarly, troubleshooting system faults in a
measurement mode can be deceptive. The solution
is to check each channel singly, to check the power in an unratioed mode. To do so requires specifying
which port to drive power to and which channel to achieve phase lock with. The following procedures
include steps to redefine parameters as required.
Figures 5-13 through 5-18 show which assemblies are parts of the signal path of each channel.
Realizing that some assemblies are common to two, or all four, channels is a powerful troubleshooting
tool. Figures 5-11 and 5-13 through 5-18, following these procedures, show typical traces.
HP 85102
TEST SET
SOURCE
3
l +-
MULTIPLEXER
IF AMP
Figure 5-10. Simplified Signal Path of Unratioed Power Test
For an HP
check the bl and b2 trace between 2
and
Below 2
the
NOTE:
coupler response rolls off rapidly in the b, reflection trace.
Remove any cables or from the test set input ports. Press [PRESET] STIMULUS [MENU] on
the HP85102 to access the STIMULUS menu.
5-17
Test Set Troubleshooting
HP
Test Sets
2. a.
systems: press [STEP] on the HP85101 to set the source to step mode.
b. HP 8350B systems: press [SWEEP TIME] and use the entry keys to set the sweep time to
200 ms.
3. Press PARAMETER [MENU] [USER 1 al] to see the unratioed power trace.
For an HP
the trace level should decrease from -20
5
at low frequency to -35
5
at high frequency.
4. Connect an open (or a short) to port 1.
5. Press [USER bl] and check that the trace for each is within the limits described above.
4
6. Connect a thru between port 1 and port 2 (connect pad to port 1 and test port return cable between
pad and port 2).
For an
use a 20
system pad.
7. Press [USER
2
and check that the trace is within the same limits.
8. If one or more channels appear faulty, refer to the procedure titled
the end of this section.
User Channel Looks Bad at
NOTE: For an HP 8514B, check the bl and b2 trace between 2
and 20
Below 2
the
coupler rolls off rapidly.
1. Press [PRESET] STIMULUS [MENU] on the HP85102 to preset the HP8510 and access the STIM-
ULUS menu.
a.
b.
systems: press [STEP] on the HP85101 to put the source in step mode.
systems: press [SWEEP TIME] and use the entry keys to set the sweep time to
200 ms.
2. To check all of the samplers in an S-parameter test set, first redefine the a2 and b2 phase lock and
drive paths:
Press PARAMETER [MENU] [User 3
[REDEFINE PARAMETER] [DRIVE] [Port
[PHASELOCK]
[REDEFINE DONE] to redefine a2.
Press [User 2
[REDEFINE PARAMETER] [DRIVE] [Port
[PHASELOCK]
[REDEFINE
DONE] to redefine b2.
3. Connect an open (or short) to port 1 and port 2.
HP
Test Sets
5-18
Test
Troubleshooting
Press [User 1 al], [User
2
[User
3
and [User
4
bl] to check the samplers indicated. Each
4.
trace should be within the following limits:
For an HP 8514B, the traces should decrease from -20
5
at low frequency to -27
5
at
high frequency.
the RF signal paths are shown in Figure 5-12 through 5-18.
NOTE:
Connect a thru (two RF cables) from port 1 to port 2.
Press PARAMETER [MENU] [USER 4 bl] [REDEFINE PARAMETER] [DRIVE] [PORT
5.
6.
SELOCK] [REDEFINE DONE] to observe the bl power level trace through the path indicated
by Figure 5-12 through 5-18 bl thru.
7. Press Parameter [MENU] [USER 2
[REDEFINE PARAMETER] [DRIVE] [PORT
SELOCK] [al] [REDEFINE DONE] to observie the b2 power level trace through the path indicated
by Figure 5-12 through 5-18.
If one or more channels look abnormal, refer to the procedure titled
end of this section.
User Channels
at the
Test
Troubleshooting
5-19
HP
Test Sets
!
!
!
!
!
!
!
!
!
I
HP 8512A
al and b2 thru trace
HP 85146
bl reflection and b2 reflection trace
Figure
Typical Test Set Unratioed Power Test Traces
HP
Test Sets
Test
Troubleshooting
5-20
COUPLER
COUPLER
P O R T
1
P O R T
2
al
a2
COUPLER
P O R T
1
P O R T
1
P O R T
2
P O R T 2
OPEN OR SHORT
O P E N O R S H O R T
b, Reflection
Reflection
Figure 5-12. User Signal Paths in Test Sets of 2)
HP
Test Sets
Test Set Troubleshooting
5-21
COUPLER
COUPLER
COUPLER
COUPLER
J
PORT
I
J
PORT
J
PORT
2
J
PORT
2
b, Thru
Thru
Figure 5-12. User Signal Paths in Test Sets (2 of 2)
HP
Test Sets
5-22
Test Set Troubleshooting
R
E
F
-
2
2
.
0
6
1
0
.
0
S T A R T
S T O P
0 . 0 4 5 0 0 0 0 0 0
2 0 . 0 0 0 0 0 0 0 0 0
Typical HP
Option
a, Reflection Trace
Figure 5-13.
r
COUPLER
P O R T
1
HP 8514B Option
Reflection Signal Path
Figure 13a.
5-23
Test Set Troubleshooting
HP
Test
M A E
R E F - 2 1 . 0
0 . 0 4 5 0 0 0 0 0 0
2 0 . 0 0 0 0 0 0 0 0 0
S T A R T
Figure 5-14. Typical HP 8514B Option
Reflection Trace
S W I T C H /
SPLITTER
COUPLER
COUPLER
P
O
R
T
2
PORT
1
Figure 14a. HP 85148 Option
Reflection Signal Path
Test Set Troubleshooting
HP
Test Sets
5-24
M A G
R E F - 6 0 . 6 9
1
0
.
0
S T A R T
S T O P
0 . 0 4 5 0 0 0 0 0 0
2 0 . 0 0 0 0 0 0 0 0 0
Typical HP 8514B Option
Reflection Trace
Figure 5-15.
COUPLER
COUPLER
PORT
1
P
O
R
T
2
O P E N O R S H O R T
I
I
HP 8514B Option
Reflection Signal Path
Figure 15a.
5-25
Test Set Troubleshooting
HP
Test Sets
Figure 5-16. Typical HP
Option
Reflection Trace
COUPLER
COUPLER
P O R T
1
P O R T
2
O P E N O R S H O R T
Figure
HP 8514B Option
Signal Path
HP
Test
Test Set Troubleshooting
5-26
l o g M A G
R E F - 5 0 . 0
1
S T A R T
S T O P
0 . 0 4 5 0 0 0 0 0 0
2 0 . 0 0 0 0 0 0 0 0 0
Figure 5-17. Typical HP 8514B Option
b, Thru Trace
C O U P L E R
Figure
HP
Option
b, Thru Signal Path
5-27
Test Set Troubleshooting
HP
Test
l o g M A G
R E F 0 . 0
1
0
.
0
-
1
8
.
5
9
8
S T A R T
S T O P
0 . 0 4 5 0 0 0 0 0 0
2 0 . 0 0 0 0 0 0 0 0 0
Figure
Typical HP
Option
Thru Trace
COUPLER
PORT
COUPLER
J
PORT
2
Figure
HP
Option
Signal Path
HP
Test Sets
5-28
Test Set Troubleshooting
One or more user channels appear faulty. The question is, what is at fault?, the source or test set or IF/
detector (HP 85102). The service adapter is a source/test set emulator. It provides the same 20 MHz
signal to the HP 85102B as the test set and source. Thus it indicates whether the problem is in the IF/
detector.
l
l
HP 85102B service adapter (provided in the
BNC to BNC cable
Service Manual, see SERVICE TOOLS)
HP 85102
TEST SET
SOURCE
HP 85102 Signal Path with Service Adapter
Figure 5-l 9.
5-29
Test Set Troubleshooting
HP
Test Sets
1. Connect the HP 851026 service adapter to the HP 85102B rear panel “20 MHz OUT” connector and
the IF-DISPLAY INTERCONNECT” connector.
2. Press [PRESET] [MARKER] STIMULUS [MENU] [STEP] PARAMETER [MENU] and each User
to observe the unratioed power level of the User1 through User4 channels. The traces
should be flat lines, quite close to each other, as indicated by the marker value (typically about
l
l
If all of the channels look good (with the service adapter) and all looked bad in the unratioed power
test, the HP85101 and 85102 are working. The problem is probably source related. Refer to the
Source Tests and Service Program sections of the Service Manual to continue troubleshooting the
problem.
If all four User channels look bad (with the service adapter), suspect the 20 MHz signal from the A6
clock board assembly. Refer to the paragraph titled HP85702 IF/Detector Tests in the Service
Program section to verify the 20 MHz output.
If one or more (but not all) channels look bad, troubleshoot the HP 85102 by refering to the Service
Program and Block Diagrams sections of the Service Manual. Then recheck the unratioed channel
power levels.
Single channel problems suggest the IF Mixer board corresponding to the User function (channel
al,
al, or a2) is faulty. Refer to the Overall System Block diagram located in the Block Diagrams
section of the Service Manual.
Multiple channel problems indicate the problem is most likely in the circuitry after the IF Mixer
boards (for example, the IF amplifiers or synchronous detectors). Refer to the HP
Overall
Block Diagram in the Block Diagrams section of the Service Manual.
Determine whether the failure is in the reference path or the test path.
Test the suspect board(s) using the procedures provided in the Service Program section.
Check the IF Amplifiers and Synchronous Detectors by swapping the reference and test board
assemblies (since they are identical) and seeing if the problem moves.
HP
Test Sets
Test
Troubleshooting
5-30
Section 6. Replaceable Parts
This section contains information for ordering parts. Exchange Assemblies Available describes how to
order assemblies which are available on an exchange basis. Table 6-1 is a list of manufacturers (by
code number) and reference designations.
HP8514B replaceable parts are identified by Table 6-2 and Figures 6-l through 6-7.
replaceable parts are identified by Table 6-3 and Figures 6-3, 6-4 and 6-8 through 6-10.
The items below are replaceable on a rebuilt exchange basis at a cost saving. They are not
repairable. Defective assemblies must be returned for credit to realize the cost savings. Thus,
assemblies required for spare parts stock should be ordered by the new assembly part number which
is included in the replaceable parts list of this section. See the parts list for the orderable part numbers.
IF multiplexer board assembly
summing amplifier board assembly
board assembly
attenuator/switch driver assembly*
coupler
l
.
l
l
l
l
.
A2
A3
A4
A5
A6
A7
A8
bias tee*
coupler*
bias tee*
.
A9
l
l
l
l
l
A10 sampler assembly (input bl)
sampler assembly (input b2)
All
Al2 sampler assembly (input al)
Al3 sampler assembly (input
Al4 VTO/driver assembly
l
l
Al5 regulator board assembly
Al6
step attenuator*
Al7 step attenuator*
Al8 switch/splitter*
l
HP 8514B only
6-1
Replaceable Parts
HP
Test
The replaceable parts lists consist of illustrations and tables. Use the illustrations to identify the part to
be ordered; use the tables to determine the ordering information. Each table is arranged in
numerical order by reference designator. The reference designator keys the part listed to the illustra-
tion. The first part number listed is HP’s part number and may differ from the manufacturer’s part
number. The check digit serves as an error check of the part number and should be used when ordering
a part. Quantity refers to the total number of that part in the instrument. The description is a brief written
description of the part and may be used for ordering purposes. Manufacturers code is a five digit
number assigned to each manufacturer (identified in Table 6-l). The manufacturer part number may or
may not be the same as the HP part number.
The replaceable parts of ports 1 and 2 of the HP 8514B are identified in Figure 6-6.
The replaceable parts of ports 1 and 2 of the
are identified in Figure 6-10. Additional center
conductor and outer nut replacement information is in Service Note
For information concerning the repair of 3.5 mm rear panel connectors, refer to the Test Set Trouble-
shooting section of the
Service Manual or Service Note
Manufacturer Codes and Reference Designations
Table 6-1.
MANUFACTURER’S CODES
Zip
Code
Manufacturer Name
Address
Code
ANY SATISFACTORY SUPPLIER
00000
00853
24546
28480
56289
SANGAMO ELEC CO CAROLINA DIV
CORNING GLASS WORKS (BRADFORD)
HEWLETT-PACKARD CO CORPORATE HQ
SPRAGUE ELECTRIC COMPANY
SC
PA
CA
MA
29671
16701
94304
01247
BRADFORD
PALO ALTO
NORTH ADAMS
REFERENCE DESIGNATIONS
A
AT
assembly
attenuator
B
fan
C
capacitor
E
F
miscellaneous electrical part
fuse
filter
FL
electrical connector, jack
miscellaneous part
resistor
J
MP
T
W
X
transformer
cable, wire
socket
More comprehensive tables of manufacturer codes, reference designators, and abbreviations are
behind the REPLACEABLE PARTS tab of the HP8510B Service Manual.
HP
Test Sets
6-2
Replaceable Parts
Table 6-2. HP
Replaceable Parts of 4)
Reference
Designation
HP Part
C
Mfr
Code
Description
Mfr Part Number
A l
1
2
3
6
6
BOARD ASSEMBLY. FRONT PANEL
LED-LAMP
LED-LAMP
28460
1990.0658
1990-0858
19904656
Al
A2
A3
A4
A5
SEE FIGURE 4
SUMMING AMPLIFIER
BOARD ASSEMBLY. HP
1
1
1
ASSY (NEW)
(NEW)
26460
28480
28480
08514-60029
08513-60011
2
1
1
A6
5180.2749
5
0
DIRECTIONAL COUPLER (NEW)
5180-2749
28460
A7
A7
2
2
BIAS TEE, PORT 2 (NEW)
BIAS TEE, PORT 2 (REBUILT)
5
0
1
A0
DIRECTIONAL COUPLER
28460
A9
A9
BIAS TEE, PORT 1 (NEW)
BIAS TEE, PORT 1 (REBUILT)
28480
28480
5086.7322
5086-6322
7
5
7
7
7
7
7
7
1
1
1
1
1
1
1
1
A10
A10
A l l
A l l
Al2
Al2
A l 3
Al3
SAMPLER ASSY (NEW)
SAMPLER ASSY (REBUILT)
SAMPLER ASSY (NEW)
28480
5086.6402
5086.7402
SAMPLER ASSY (REBUILT)
Al SAMPLER ASSY (NEW)
Al SAMPLER ASSY (REBUILT)
A2 SAMPLER ASSY (NEW)
A2 SAMPLER ASSY (REBUILT)
5066-6402
5086.7402
5086-7231
26480
28460
5086.6402
5086.7231
1
1
Al4
Al4
0
5
(NEW)
(REBUILT)
26480
28480
1
Al5
38513-60007
38340-60175
BOARD ASSEMBLY, REGULATOR
STEP PORT
085 13-60007
08340-60175
9
9
2
Al6
Al7
STEP ATTENUATOR, PORT 2
2
0
1
1
A18
A18
SWITCH/SPLITTER (NEW)
(REBUILT)
28480
26480
1
A19
38513-60001
3180.2671
1180.2671
1251-5745
9
BOARD ASSEMBLY, MOTHER
THE FOLLOWING PARTS ARE NOT SUPPLIED
WHEN A19 IS ORDERED:
26460
08513-60001
7
7
7
7
6
6
4
4
CAPACITOR-FXD
CAPACITOR-FXD
CAPACITOR-FXD
CAPACITOR-FXD
CAPACITOR-FXD
CAPACITOR-FXD
CONNECTOR
AL
30VDC AL
30VDC AL
30VDC AL
00853
00653
00853
28460
28480
28480
2
0160-4834
1251-7939
10%
CER
10% 1 OOVDC CER
POST TYPE
DOES NOT INCLUDE
CONNECTOR
CONN-POST TYPE
4
1
4
2
28480
26480
-6866
1251-7939
DOES NOT INCLUDE
4
4
4
7
6
6
7
7
CONNECTOR
CONNECTOR
CONNECTOR
CONNECTOR
SOCKET 14 PIN
SOCKET 14 PIN
RESISTOR 560 5% 2W MO
RESISTOR 560 5% 2W MO
RESISTOR
RESISTOR 1 K 5% 2W MO
RESISTOR51.1
RESISTOR51.1
CONNECTOR-PC EDGE
CONNECTOR-PC EDGE P-ROWS
CONNECTOR-PC EDGE P-ROWS
CONNECTOR-PC EDGE P-ROWS
POST TYPE
POST TYPE
POST TYPE
POST NPE
26480
28480
1251-6666
1
2
2
2
1200-l 304
1200-1304
07644015
0764-0015
0764-0016
0764-0016
304
304
28480
28460
28460
24546
24546
28480
1764-0016
2
0
0
4
4
4
4
5
1251-7662
1251-7662
Al
Al
Al
Al
-7002
NOT ASSIGNED
1251-7882
08513-60006
28480
CONNECTOR-PC EDGE P-ROWS
BOARD ASSEMBLY,
1
18513-60006
MISCELLANEOUS ELECTRICAL PARTS
1
1
3.5 MM 20
3.5 MM 20
SEE FIGURE 7
FAN-TBAX
CAPACITOR-FXD
LED-LAMP
ATTENUATOR
AT1
31
28460
08513-20031
1
1
2
1
56289
28480
CER
Replaceable Parts
6-3
HP
Test Sets
Table 6-2. HP 8514B Replaceable Parts (2 of 4)
Reference
Designation
HP Part
Number
Mfr
Description
Code
Mfr Part Number
1990-0858
0360-0009
0360-0031
0360-0031
0362-0265
0362-0265
6
LED-LAMP
28480
28480
28480
28480
28480
28480
28480
28480
28480
28480
28460
28460
28480
28480
28480
28480
28480
28480
28480
28480
28480
28480
28480
28480
28480
28460
28460
28480
28460
28480
28480
28460
28480
28480
28480
28480
28480
28480
28480
28460
28480
28480
28480
28480
28480
28460
28480
28480
28480
28480
28480
28460
28480
28480
28480
24546
28480
El
TERMINAL-SLDR LUG PL-MTG
TERMINAL-CRIMP R-TNG
TERMINAL-CRIMP R-TNG
CONNECTOR-SGL CONT SKT
CONNECTOR-SGL CONT SKT
INSULATOR-BRACE
TERMINAL STRIP
CONTACT-FEMALE
CONTACT-FEMALE
CONTACT-FEMALE
CONTACT-FEMALE
CONTACT-FEMALE
BEAD-R AY
03604009
0360-0031
1
1
RED
RED
E3
E4
E5
7
7
2
9
4
4
4
4
4
9
9
9
9
9
2
2
2
2
2
3
3
3
3
3
4
4
4
4
4
9
9
7
7
9
9
1
0362-0265
03620265
08513-00018
0380-l 673
5021-3510
5021-3510
5021-3510
5021-3510
5021-3510
E7
0360-1673
5021-3510
5021-3510
5021.3510
5021-3510
5021-3510
5061-5301
5061-5301
5061.5301
5061-5301
5061-5301
08513-20016
PHEN
El0
El2
E l 3
El4
El5
El6
El7
El8
5
5
5
BEAD-R AY
BEAD-R AY
BEAD-R AY
BEAD-R AY
5061-5301
5061-5301
5081.5301
5061-5301
CONNECTOR NOSE-F
CONNECTOR NOSE-F
CONNECTOR NOSE-F
CONNECTOR NOSE-F
CONNECTOR NOSE-F
CONN-BULKHEAD
CONN-BULKHEAD
CONN-BULKHEAD
CONN-BULKHEAD
CONN-BULKHEAD
CENTER CNDCT-BHD
CENTER CNDCT-BHD
CENTER CNDCT-BHD
CENTER CNDCT-BHD
CENTER CNDCT-BHD
FUSEHOLDER
08513.20016
06513.20016
E23
E24
E25
08513-20017
06513.20017
08513.20017
06513-20017
06513-20016
08513-20016
06513-20016
38513.20016
08513-20018
2110-0797
E27
5
08513-20018
08513-20018
08513-20018
08513-20018
08513-20018
2110-0797
2110-0797
85050-20001
85050-20001
211 O-0565
211 O-0565
1251-3720
1251-3720
1251-3720
1251-3720
1251-3720
1251-3720
1251-3720
1251-3720
1251-3720
1251-3720
2110-0012
2110-0012
2110-0002
E30
E31
E32
E33
E34
E35
2110-0797
FUSEHOLDER
CONTACT CTR COND
CONTACT CTR COND
FUSEHOLDER CAP
FUSEHOLDER CAP
E37
E38
E39
E40
E41
E42
E43
E44
E45
E46
E47
E48
2110-0565
2110-0565
1251-3720
1251-3720
1251-3720
1251.3720
1251-3720
1251-3720
1251-3720
1251.3720
1251-3720
1251-3720
1 O-001 2
MAX FOR UL
MAX FOR UL
CONNECTOR-SGL CONT SKT
CONNECTOR-SGL CONT SKT
CONNECTOR-SGL CONT SKT
CONNECTOR-SGL CONT SKT
CONNECTOR-SGL CONT SKT
CONNECTOR-SGL CONT SKT
CONNECTOR-SGL CONT SKT
CONNECTOR-SGL CONT SKT
CONNECTOR-SGL CONT SKT
CONNECTOR-SGL CONT SKT
RND
RND
RND
RND
AND
RND
RND
RND
RND
RND
1
1
1
1
1
1
1
1
1
1
2
FUSE
FUSE
FUSE
250V NTD 1.25X.25 UL
250V NTD 1.25X.25 UL
250V NTD 1.25X.25 UL
8
7
1
1
1
2
F3
FL1
211 O-0002
1250-0083
1757-0394
LINE MODULE-FILTERED
CONNECTOR-RF BNC FEM SGL-HOLE-FR
CONNECTOR-RF BNC FEM SGL-HOLE-FR
RESISTOR 51.1 1%
POWER XFMR
SEE FIGURE 6-4
CA AY
CA AY
SEE FIGURE 6-4
AY
1
1
5
31 W-461 6
3-60133
1
1
w13
w14
w15
W16
w17
28480
28480
9
1
A7
1
1
28480
28480
FIGURE 6-4
3
7
CA
A6
SEE FIGURE 6-4
“A AY
AY
1
1
1
1
1
1
1
28480
28480
28480
28480
28480
28480
28480
18513-60142
18513-60144
9
:A AY
AY
W24
W25
1
2
3
HP
Test Sets
6-4
Replaceable Parts
HP 8514B Replaceable Parts (3 of 4)
Table 6-2.
Reference
Designatior
HP Part
Number
Mfr
Description
Code
Mfr Part Number
Replaceable Parts
6-5
HP
Test
HP
Replaceable Parts (4 of 4)
Table 6-2.
C
D
Mfr
Code
Reference
Designation
HP Part
Number
Description
Yfr Part Number
43
44
45
46
47
40
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
2
7
3
4
4
9
1
1
1
FRONT BEZEL MACH
TAPE-INDL
SCREW-MACH 2-56
SCREW-TPG
28480
28480
ACRLC-XFR-ADH
PAN-I-ID-POZI
UNCT 62 DEG
0460-0100
0520-0174
0460-0100
ORDER BY DESCRIPTION
06244589
1400-1209
1450-0615
28480
28480
28480
1
2
1400-1209
1450-0615
CLP CA
1 .OW
RETAINER-LED 0.75 IN LG; 0.36 IN WD
NOT ASSIGNED
FUSEHOLDER COMPONENT NUT; THREAD M12.7
3
3
0
2
2
5
2
21 lo-0569
2190-0016
2190-0104
2200-0109
2200-0164
2260-0009
2360-0121
2510-0043
2510-0141
2950-0001
2950-0132
7121.2360
5021-0906
5021-3427
20480
28480
28480
WASHER-LK
WASHER-LK
T
T
IN
IN
2190-0016
2190-0104
SCREW-MACH
SCREW-MACH
NUT-HEX-W/LKWR
SCREW-MACH
SCREW-MACH
SCREW-MACH
PAN-HD-POZI
UNCT 62 DEG
ORDER BY DESCRIPTION
ORDER BY DESCRIPTION
ORDER BY DESCRIPTION
ORDER BY DESCRIPTION
ORDER BY DESCRIPTION
ORDER BY DESCRIPTION
ORDER BY DESCRIPTION
ORDER BY DESCRIPTION
2
6
5
1
4
4
2
5
1
7
2
2
2
1
1
1
1
2
2
1
1
1
PAN-HD-POZI
PAN-HD-POZI
PAN-HD-POZI
NUT-HEX-DEL-CHAM
NUT-HEX-DBL-CHAM
00000
00000
28480
6
LABEL-SERIAL NUMBER
SLEEV RF PIN POS
WSHR-TS PORT CON
NUT-FLG TS PORT
MOUNT-LED
6
2
3
9
9
0
3
4
5021-0906
5021-3427
20480
28480
28480
28480
28480
28480
28480
28480
28480
28480
28480
26480
28480
28480
28480
28480
08512-00008
CLAMP A
B
08512-00009
CLAMP C
CLAMP D
ATTENUATOR BRACKET
BRACKET-CONV AY
COVER-I.F. MUX
DRVR
CVR BLANK-IF MUX
FRONT PANEL
SUB PANEL
MOUNTING BRACKET
SW MNTG PLATE
BLOCK-MTG CPLR
SCREW-MACH
LABEL-INFORMATION
LABEL-WARNING
TRIM FRNT HNDL
FOOT-BOTTOM
TRIM TOP
72
73
74
75
76
77
85102-00041
85102-00041
35102-00041
35102-00041
1
1
1
1
1
6
1
1
2
4
1
4
1
78
79
58514-00007
38514-20005
2510-0195
9
28480
28480
28480
28480
151 O-01 95
100 DEG
PPR
31
32
33
34
35
36
37
38
39
30
31
32
33
34
35
36
5
7
5
3
2
3
PPR
7121.2527
28480
28480
28480
28480
28480
28480
28480
28480
28480
00000
28480
28480
‘OOT-REAR
BTM
FM
1
AY SIDE
2
1
AY FRONT
SET CVR TOP
PERF
3
3
3
I
A’ASHER-FL MTLC NO. 4
SPACER-RND
SCREW-MACH
BRACKET
4
1
PAN-HD-POZI
BY DESCRIPTION
1
7
3
2
FLANGE
HP
Test Sets
6-6
Replaceable Parts
Al8
Al7
Al6
A5
A4
A19
,
A l 5
,
A l 3
AT2
(hidden)
Al2
AT1
(hidden)
A3
Al
A6
A10
Al4
All
A7
(hidden)
A8
Figure 6-1.
HP
Top View Showing Locations of Major Assemblies
HP
Test
Replaceable Parts
6-7
55
(2 places)
(2 places)
(2 places) (2 places)
J13
E33
E37
DS2
E34
J-14
(P/O A8
See Figure
See Figure
(2 places)
El8 E23 J2 El9 E24 J3 E20
E21
E27 E22 J7 J8
(4 places) (4 places)
(2 places)
(2 places)
(2 places)
'Not Visible
Figure 6-2.
HP 8514B Miscellaneous Mechanical, Chassis, and Electrical Parts of 5)
6-8
Replaceable Parts
HP
Test
LEFT SIDE
(6
(16 places) not shown)
(2 places)
(2 places)
RIGHT SIDE
(3 used)
(55 places)
Figure 6-2. HP
Miscellaneous Mechanical, Chassis, and Electrical Parts (2 of
6-9
HP
Test Sets
Replaceable Parts
(6 places)
(4 places)
(37 place
18
31
(8 places
19
(6 places)
‘Not Visible
HP
Miscellaneous Mechanical, Chassis, and Electrical Parts (3 of 5)
Figure 6-2.
6-10
Replaceable Parts
HP
Test Sets
(4 places)
(Short)
(Short)
(4 places)
‘Not Visible
Figure 6-2.
HP
Miscellaneous Mechanical, Chassis, and Electrical Parts (4 of 5)
HP
Test
6-11
Replaceable Parts
E2'
E17'
E32'
E13' E14'
E 2 9 '
E31'
W44
W39
W34
W66
7
l
w41
W32
'Not Visible
Figure 6-2.
HP
Miscellaneous Mechanical, Chassis, and Electrical Parts (5 of
Replaceable Parts
6-12
HP
Test
A19
0
0
E
l
0
0
Refer to Table 2 for additional information.
HP 8514B and HP
Motherboard Component Location Diagram
Figure 6-3.
6-13
Replaceable Parts
HP
Test Sets
A2
w12
w4
w17
W6
w2
w7
w3
w15
w5
Figure 6-4.
Parts Unique to HP
and 8512A Option
oj2)
6-14
Replaceable Parts
HP
Test Sets
Reference
Designation
C
Mfr
Code
Description
Mfr Part Number
Number D
Figure 6-4. Parts Unique to HP
and HP
Option OOl(2
2)
6-15
Replaceable Parts
HP
Test Sets
5
Places
Insert flat washer (3) under cable clamp (2) as a spacer.
N O T E :
Mfr
C
Reference
Mfr Part Number
Description
Code
Number D
Parts Unique to HP
Option 002
Figure 6-5.
HP
Test Sets
Replaceable Parts
6-16
torque to
281-304 N-cm
(25-27 in-lb)
torque to
473-495 N-cm
(42-44 in-lb)
Coupler
Coupler
J
2
0
J
1
0
NOTE: Center pin is not replaceable by itself.
Mfr
Code
Reference
C
Description
Mfr Part Number
Number D
Ports and 2 Replaceable Parts
Figure 6-6. HP 8514B
6-17
Replaceable Parts
HP
Test Sets
w49
W46
w45
AT3’
Not Visible
Figure 6-7. Parts Unique to HP 8514B Option 003 (1 of 2)
Replaceable Parts
6-18
HP
Test Sets
Reference
Designation
HP Part
Number
Mfr Part Number
Description
Figure 6-7.
Parts Unique to HP
Option 003 (2 oj2)
6-19
Replaceable Parts
HP
Test
w51
HP 8514B Option
Parts (1 of 2)
Figure 6-8.
HP
Test
Replaceable Parts
6-20
C
Reference
Designation
Mfr
Code
Description
Mfr Part Number
Number D
Figure 6-8. Option
Ports (2
2)
Replaceable Parts
6-21
HP
Test Sets
HP
Replaceable Parts
of 4)
Table 6-3.
Reference
Designation
HP Part
Number
Mfr
Code
Description
Mfr Part Number
Al
AIDS1
1
2
08513-60005
1990.0858
1990.0858
BOARD ASSEMBLY, FRONT PANEL
LED-LAMP
LED-LAMP
28480
28480
28480
1990.0858
08513-60008
A2
A3
A4
A5
SEE FIGURE 4
BOARD ASSEMBLY,
BOARD ASSEMBLY, HP
NOT ASSIGNED
SUMMING AMPLIFIER
28480
28480
1
1
08513.60002
5080.0351
A6
9
DIRECTIONAL COUPLER
28480
IS replaceable: see
9)
A7
A8
A9
NOT ASSIGNED
NOT ASSIGNED
NOT ASSIGNED
Al0
Al0
7
5
5086.7402
5086.6402
1
1
1
SAMPLER ASSEMBLY (NEW)
SAMPLER ASSEMBLY (REBUILT)
28480
28480
A l l
A l l
7
5
5086.7402
5086.6402
SAMPLER ASSEMBLY (NEW)
SAMPLER ASSEMBLY (REBUILT)
28480
28480
5086.7402
Al2
Al2
7
5
5086.7402
5086.6402
Al SAMPLER ASSEMBLY (NEW)
Al SAMPLER ASSEMBLY (REBUILT)
28480
28480
5086.7402
5086.6402
Al3
NOT ASSIGNED
Al4
Al4
1
5086.7231
0
8
(NEW)
(REBUILT)
28480
28480
5086.7231
1
Al5
Al5
1
1
38513.60007
REGULATOR BOARD ASSEMBLY
REGULATOR BOARD ASSEMBLY
28480
28480
38515.69007
Al6
Al7
A18
419
NOT ASSIGNED
NOT ASSIGNED
1
1
POWER SPLITTER
BOARD ASSEMBLY. MOTHER
28480
28480
THE FOLLOWING PARTS ARE NOT SUPPLIED
A19 IS ORDERED:
4
AL
AL
AL
00853
00853
00853
00853
28480
28480
“APACITOR-FXD
“APACITOR-FXD
30VDC AL
10%
10%
CER
CER
1251.5745
1251.7939
-6868
M POST TYPE
DOES NOT INCLUDE
M POST TYPE
TYPE
DOES NOT INCLUDE
M POST TYPE
28480
1251-5745
1251.7939
4
28480
28480
1
28480
28480
28480
28480
28480
28480
28480
M POST TYPE
M POST TYPE
M POST TYPE
DIP-SLDR
DIP-SLDR
1251-6868
251.3825
1
2
‘OLARIZING KEY-POST CONN
‘OLARIZING KEY-POST CONN
KEY-POST CONN
560 5% 2W MO
560 5% 2W MO
5% 2W MO
28480
28480
28480
28480
28480
28480
24546
24546
28480
28480
28480
28480
251.5595
251-5595
1764-0015
251.5595
1764-0015
2
2
5% 2W
1757-0394
1757-0394
251.7882
251.7882
51.1 1%
100
251.7882
251-7882
251-7882
5
EDGE P-ROWS
EDGE P-ROWS
EDGE P-ROWS
EDGE P-ROWS
ASSIGNED
251.7882
8513.60006
EDGE P-ROWS
ASSEMBLY,
28480
28480
6-22
HP
Test
Replaceable Parts
Table 6-3. HP 8512A Replaceable Parts (2
4)
Reference
Designation
HP Part
Number
c
Mfr
Code
Description
Mfr Part Number
Replaceable Parts
6-23
HP
Test Sets
Table 6-3. HP 8512A Replaceable Parts (3 of 4)
Reference
Designatior
HP Part
Number
Mfr
Description
Code
Mfr Part Number
Replaceable Parts
6-24
HP
Test
Table 6-3. HP 8512A Replaceable Parts (4 of 4)
Reference
Designation
HP Part
Number
Mfr
Description
Code
Mfr Part Number
6-25
Replaceable Parts
HP
Test Sets
A20
(hidden)
A19
(on underside)
Al8
Al5
A4
Al2
AT4
(hidden)
c4
c3
c2
AT2
A3
Al4
All
A6
A10
See Figure 3for parts unique to Option 001.
Figure 6-9.
HP 8512A Top View Showing Locations of Major Assemblies
Replaceable Parts
6-26
HP
Test Sets
(2 PLACES)
(2 PLACES)
(2 PLACES)
(NOT SHOWN)
(3 PLACES)
(4 PLACES) (4 PLACES) (6 PLACES)
El9 J2 E24 E20 J3 E25 E21 J4 E26 E22
E27
/
\
\
I
I
NOTE: Some line modules
may be different.
Figure 6-10. HP 8512A Miscellaneous Mechanical, Chassis, and Electrical Parts of
HP
Test Sets
Replaceable Parts
6-27
LEFT SIDE
(6
(16 places) Not Shown)
m
RIGHT SIDE
(3 used)
(55 places)
HP
Miscellaneous Mechanical, Chassis, and Electrical Parts (2 of
Figure 6-10.
HP
Test
6-28
Replaceable Parts
(6 places)
31
(4 places)
18
(37 places)
22
30
37
(8 places)
19
(8 places)
(6 places)
‘Not Visible
Figure 6-10. HP 8512A Miscellaneous Mechanical, Chassis, and Electrical Parts (3 of 5)
6-29
Replaceable Parts
HP
Test Sets
w49
(Not
w39
(Not
Shown) W34 W36 W35 Shown) W37
(12 places)
(Held to
(1 Used)
Coupler by
4 Ea.
0
*Not Visible
Figure 6-10. HP 8512A Miscellaneous Mechanical, Chassis, and Electrical Parts (4 of 5)
6-30
Replaceable Parts
HP
Test Sets
E30'
E38'
(5 PLACES)
E3
W58
El4
'NOTVISIBLE
Figure 6-10. HP 8512A Miscellaneous Mechanical, Chassis, and Electrical Parts (5 of 5)
6-31
Replaceable Parts
HP
Test
1
PORT
Dress Panel
2
PORT
El7
El6
E35
E7
El8
NOTE: See Table 6-3 for illustrated parts not listed below.
Mfr
Reference
HP Part C
Number D
Description
Code
Mfr Part Number
IN. INNER SHIM
9
0 0005
5020.8541
IN. INNER SHIM
IN. INNER SHIM
IN OUTER SHIM
8
3
5
0.0010
0.0020
0 0010
i43
IN OUTER SHIM
4
0.0020
08742.0006
Figure
HP 8512A Port 1 and Port 2 Replaceable Parts
6-32
Replaceable Parts
HP
Test Sets
Section 7. Service
This HP
SERVICE section consists of a wiring diagram keyed to Figure 3, the component
location diagram of the motherboard
Use these two tools as aids to troubleshoot motherboard
trace and component problems. Figure 3 is located in the previous section, Replaceable Parts. This
section also information on servicing the front panel test port connectors.
Other service information is included in the Test Set Troubleshooting section of the this manual. Topics
covered include checks of the major assemblies and assembly removal procedures, among others.
The repair of 3.5 mm RF connectors (like those on the rear panels of these test sets) is described in the
Test Set Troubleshooting section of this manual.
7-l
Service
HP
Test Sets
.
. . . .
. . . .
.
. .
. .
::
. . . .
6 ::
:
:
. .
. .
. .
.
.
.
.
. .
. .
. .
. .
. .
. .
. . . .
Figure
HP
Motherboard
Service
HP
Test Sets
Section 8. Performance Tests
Performance test information and procedures are located in the Performance Tests section of the
HP8510B System Manual and volume 2 of the
manual set. Note that the HP85108 performance
test software (supplied with the System Manual) is required to test the HP85148 up to 20
Performance Tests
HP
Test Sets
Section 9. Adiustments
The HP8514B and
have one adjustment only, the sampler assembly adjustment. The
procedure is documented in the
Service Manual in the section titled Adjustments. It is also in
the Test Set Adjustments section in volume 2 of the HP 8510A manual set. The adjustment is
guided.
This adjustment should be performed only if the need to do so is firmly established. A poor adjustment
is worse than none at all. Thus the software driven adjustment procedure begins with a check of the
sampler in question to establish the need.
Do not perform the actual adjustment if the sampler passes the check.
Adjustments
HP
Test Sets
Section 10. Manual Backdating
Manual backdating is not required for this manual set. This manual applies directly to instruments with
the same (or lower) serial number prefix indicated on the title page. Instruments with serial number
prefixes higher than the title page prefix may be documented in a manual update supplement.
Manual Backdating
HP
Test
REGIONAL SALES AND SUPPORT OFFICES
For information relating to Sales or Support of Hewlett-Packard products first contact your local Hewlett-Packard
listed in the white pages of your telephone directory. If none is listed locally, contact one of the addresses listed below
to obtain the address or phone number of the Hewlett-Packard Sales or Support office nearest you.
BENELUX SCANDINAVIA
UNITED KINGDOM
ASIA
Hewlett-Packard S.A.
Uilenstede 475
Hewlett-Packard Asia Ltd.
47/F, 26 Harbour Road,
Wanchai, HONG KONG
G.P.O. Box 863, Hong Kong
Tel: (852) 58330833
Hewlett-Packard Ltd.
King Street Lane
Winnersh,
P.O. Box 999
NL-1183 AG AMSTELVEEN
The Netherlands
Berkshire
Tel:
5AR
47 74
Telex: 847178
Tel: (31)
77 71
Telex: 76793 HPA HX
Telex: 18 919 hpner nl
Cable:
TD
EASTERNUSA
SOUTH
AFRICA
Hewlett-Packard S.A.
7, rue du Bois-du-Lan
CH-1217
Switzerland
Tel: (41)
Telex: 27835 hmea
EAST EUROPE,
AUSTRALASIA
Hewlett-Packard Co.
4 Choke Cherry Road
ROCKVILLE, MD 20850
Tel: (301) 670-4300
Hewlett-Packard Australia Ltd.
31-41 Joseph Street
BLACKBURN, Victoria 3130
Australia
Tel: (61) 895-2895
Telex: 31-024
Cable: HEWPARD Melbourne
2, Geneva
MIDWESTERN USA
12 12
Hewlett-Packard Co.
5201
Drive
Cable: HEWPACKSA Geneve
ROLLING MEADOWS, IL 60008
Tel: (312) 255-9800
CANADA
Hewlett-Packard (Canada) Ltd.
6877
FRANCE
Drive
Hewlett-Packard France
d’activites du Bois Briard
2, avenue du Lac
91040 EVRY Cedex
Tel: 1
Telex: 6923 15F
SOUTHERNUSA
Ontario
1 M8
Tel: (416) 678-9430
Telex: 069-8644
Hewlett-Packard Co.
2000 South Park Place
P.O. Box 105005
ATLANTA, GA 30348
Tel: (404) 955-1500
83 83
JAPAN
Yokogawa-Hewlett-Packard Ltd.
29-21 Takaido-Higashi, 3 Chome
Suginami-ku TOKYO 168
Tel: 03 (331) 6111
GERMAN FEDERAL
REPUBLIC
Hewlett-Packard
Hewlett-Packard-Strasse
Postfach 1641
D-6380 BAD HOMBURG
West Germany
Tel: 06172/400-O
Telex: 410 844 hpbhg
WESTERN USA
Hewlett-Packard Co.
5161 Lankershim Blvd.
P.O. Box 3919
NO. HOLLYWOOD, CA 91609
Tel: (818) 506-3700
Telex: 232-2024 YHPTOK
MEDITERRANEAN AND
MIDDLE EAST
Hewlett-Packard S.A.
Mediterranean and Middle East
Operations
OTHER INTERNATIONAL
AREAS
ITALY
Atrina Centre
Hewlett-Packard Co.
Intercontinental Headquarters
3495 Deer Creek Road
PALO ALTO, CA 94304
Tel: (415) 857-l 501
Telex: 034-8300
32 Kifissias Avenue
Paradissos-Amarousion, ATHENS
Greece
Hewlett-Packard ltaliana
Via G. Di Vittorio 9
l-20063 CERNUSCO SUL
Tel: (30) 682 88 11
Telex: 21-6588 HPAT GR
Cable: HEWPACKSA Athens
(Milano)
Cable:
Tel:
36 91
Telex: 334632
February, 1986
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