Agilent 8924C Specifications Sheet

HP 8924C/E CDMA Mobile Station Test Set

Assembly Level Repair

HP 8924C: Firmware Version A.02.17 and above
HP 8924E: Firmware Version A.01.00 and above

POWER

OFF ON

RF IN/OUT

MAX PWR

!

6 W

DUPLEX OUT

CDMA CALL CONTRO L

CALL ANS

USER DATA

k1’

k1

k2’

k2
k3’

k3

ASSIGN

k4

RELEASE

k5

ANT IN

!

MAX PWR

200 mW

HP P/N 08924-90061

Printed in U.S.A.

November 1998

Rev. A

CDMA SCRNS

CELL
CALL
CTRL

SPECTRUM

GEN

CTRL

CDMA SCRNS

ENCODER

RF

ANL

AF

ANL

SPEC ANL

RF

GEN

END

CALL

RANGE

RX

TEST

MSRPT

TX

TEST

DECODER

RX
TEST
ACP

TX
TEST

SCOPE
DUPLEX

FUNCTIONS

MSG

PRINTER

HELP

PRINT

DATA FUNCTIONS

REF SET

METER

INCR

INCR

: 10

SET

LO LIMIT HI LIMIT

CURSOR

CONTROL

CANCELSHIFT

I/O CONFIG CONFIG

PREV TESTS

AVG

INCR X10

PUSH TO
SELECT

INSTRUMENT STATE

ADRS

SAVE

LOCAL

RECALL

789

456
123

+

0

ON/OFF

YES

Ω

NO

%

ppm

dBµV

W

AUDIO OUTSQUELCHVOLUMEMIC/ACC

MAX

!

12 v Pk

_

HOLD

MEAS
RESET

ENTER

dB

GHz
dBm

%

MHz

V

s

kHz
mV

ms
Hz
µV

AUDIO IN

MAX

!

42 v Pk

PRESET

MEMOR
Y CARD

LOHI

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1

Copyright © Hewlett-Packard Company 1998

Notice Information contained in this document is subject to change without notice.

All Rights Reserved. Reproduct ion, adaptation, or translati on without prior written
permission is prohibited, except as allowed under the copyright laws.

This material may be reproduced by or for the U.S. Government pursuant to the
Copyright License under the clause at DFARS 52.227-7013 (APR 1988).

Hewlett-Packard Company
Learning Products Department
24001 E. Mission
Liberty Lake, WA 99019-9599
U.S.A.

2

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Manufacturer’s Declaration

This statement is provided to c omply with the req uiremen ts of t he German So und
Emission Directive, from 18 January 1991.

This product has a sound pressure emission (at the operator position) < 70 dB(A).

• Sound Pressure Lp < 70 dB(A).

• At Operator Position.

• Normal Operation.

• According to ISO 7779:1988/EN 27779:1991 (Type Test).

Herstellerbescheinigung

Diese Information steht im Zusammenhang mit den Anforderungen der

Maschinenlärminformationsverordnung vom 18 Januar 1991.

• Schalldruckpegel Lp < 70 dB(A).

• Am Arbeitsplatz.

• Normaler Betrieb.

• Nach ISO 7779:1988/EN 27779:1991 (Typprüfung).

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3

Safety
Considerations

GENERAL
This product and related document ation must be revi ewed for familiariz ation with

safety markings and instructions before operation.
This product has been designed and tested in accordance with IEC Publication

1010, "Safety Requirements for Electronic Measuring Apparatus," and has been
supplied in a s af e condition. This ins tr u ct i on documentation con tai ns information
and warnings which must be followed by the user to ensure safe operation and to
maintain the product in a safe condition.

SAFETY EARTH GROUND
A uninterruptible safety earth ground must be provided from the main power

source to the product input wiring terminals, power cord, or supplied power cord
set.

CHASSIS GROUND TERMINAL
To prevent a potential shoc k hazard, always co nnect the rear-pa nel chassis gr ound

terminal to earth ground when operating this instrument from a dc power source.
SAFETY SYMBOLS
Indicates instrument damage ca n occur if ind icate d opera ting l imits are exceed ed.

!

Refer to instruction in this guide.

WARNING

CAUTION

4

Indicates hazardous voltages.
Indicates earth (ground) terminal

A WARNING note denotes a hazard. It calls attention to a procedure,
practice, or the like, which, if not correctly performed or adhered to, could
result in personal injury. Do not proceed beyond a WARNING sign until the
indicated conditions are fully understood and met.

A CAUTION note denotes a hazard. It calls attention to an operation procedure,
practice, or the like, which, if not correctly performed or adhered to, cou ld resu lt
in damage to or destruction of part or all of the product. Do not proceed beyond
an CAUTION note until the indicated conditions are fully unde rstood and met.

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Safety Considerations for this Instrument

WARNING This product is a Safety Class I instrument (provided with a protective

earthing ground incorporated in the power cord). The mains plug shall only
be inserted in a socket outlet provided with a protective earth contact. Any
interruption of the protective conductor inside or outside of the p roduct is
likely to make the product dangerous. Intentional interruption is
prohibited..

Whenever it is likely that the protection has been impaired, the instrument
must be made inoperative and be secured against any unintended operation.

If this instrument is to be energized via an autotransformer (for voltage
reduction), make sure the common terminal is connected to the earth
terminal of the power source.

If this product is not used as specified, the protection provided by the
equipment could be impaired. This product must be used in a normal
condition (in which all means for protection are intact) only.

No operator serviceable parts in this product. Refer servicing to qualified
personnel. To prevent electrical shock, do not remove covers.

Servicing instructions are for use by qualified personnel only. To avoid
electrical shock, do not perform any servicing unless you are qualified to do
so.

The opening of covers or removal of parts is likely to expose dangerous
voltages. Disconnect the product from all voltage sources while it is being
opened.

Adjustmen ts describe d i n t h e ma nual are performed with po w e r su p pl i e d t o
the instrument while protective covers are removed. Energy available at
many points may, if contacted, result in personal injury.

The power cord is connected to internal capacitors that my remain live for
5 seconds after disconnecting the plug from its power supply.

For Continued protection against fire hazard, replace the line fuse(s) only
with 250 V fuse(s) or the same current rating and type (for example, normal
blow or time delay). Do not use repaired fuses or short circuited
fuseholders.

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5

CAUTION: Always use the three-prong ac power cord supplied with this product. Failure to ensure

adequate earth grounding by not using this cord may cause product damage.

This product is designed for use in Installation Category II and Pollution Degree
2 per IEC 1010 and IEC 664 respectively. For indoor use only.

This product has autorangi ng line voltage input, be sure the supply voltage is
within the specified range.

Ventilation Requirements: When installing the product in a cabinet, the
convection into and out of the product must not be restricted. The ambient
temperature (outside the cabinet) must be less than the maximum operating

temperature of the product by 4° C for every 100 watts dissipated in the cabinet.
If the total power dissipated in the cabin et is greater than 80 0 watts, then forced
convection must be used.

Product Markings CE - the CE mark is a registered trademark of the European Community. A CE

mark accompanied by a year indicated the year the design was proven.
CSA - the CSA mark is a registered trademark of the Canadian Standards

Association.

6

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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, to the extent allowed by the

Institute’s calibration facility, and to the calibration facilities of other
International Standards Organization members

WARRANTY This Hewlett-Packard instrument product is warra nted against defects in material

and workmanship for a period of one year from date of shipment. During the
warranty period, Hewlett-Packard Company will at its option, either repair or
replace products which prove to be defective.

For warranty service or repair, this product must be returned to a service facility
designated by HP. Buyer shall prepay shipping charges to HP and HP shall pay
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 operation of the instrument, or
software, or firmware will be uninterrupted or error free.

LIMITATION OF
WARRANTY

EXCLUSIVE
REMEDIES

The foregoing warranty shall not apply to defects resulting from improper or
inadequat e maintenance by Buyer, Buyer-supplied soft ware 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 OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE.

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 BASE ON CONTRACT, TORT, OR ANY OTHER LEGAL
THEORY.

ASSISTANCE Product maintenance agreements and other customer assistance agreements are

available for Hewlett -Packard products . For any assistance, contact your neares t
Hewlett-Packard Sales and Service Office.

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7

DECLARATION OF CONFORMITY

according to ISO/IEC Guide 22 and EN 45014

Manufacturer’s Name:

Manufacturer’s Address:

Hewlett-Packard Co.
Spokane Division

24001 E. Mission Avenue
Liberty Lake, Washington 99019-9599
USA

declares that the product

Product Name:
Model Number:
Product Options:

CDMA Mobile Station Test Set
HP 8924C

This declaration covers al l optio ns of the abo ve
product.

conforms to the following Product specifications:

Safety: IEC 1010-1:1990+A1 / EN 61010-1:1993

CAN/CSA-C22.2 No. 1010.1-92

EMC: CISPR 11:1990/EN 55011:1991 Group 1, Class A

IEC 801-2:1984/EN 50082-1:1992 4 kV CD, 8 kV AD
IEC 801-3:1984/EN 50082-1:1992 3V/m
IEC 801-4:1988/EN 50082-1:1992 0.5 kV Sig. Lines, 1 kV Power Lines

Supplementary Information:

This product herewith complies wi th the requirements of the Low Voltage Directive
73/23/EEC and the EMC Directive 89/336/EEC.

Spokane, Washington USA November 20, 1995

Date Vince Roland/Quality Manager

European Contact: Your local Hewlett-Packard Sales and Service Office or Hewlett-Packard GmbH
Department ZQ/Standards Europe, Herrenberger Strasse 130, D-71034 Böblinger, Germany (FAX[phone]-

8

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DECLARATION OF CONFORMITY

according to ISO/IEC Guide 22 and EN 45014

Manufacturer’s Name:

Manufacturer’s Address:

Hewlett-Packard Co.
Spokane Division

24001 E. Mission Avenue
Liberty Lake, Washington 99019-9599
USA

declares that the product

Product Name:
Model Number:
Product Options:

CDMA Mobile Station Test Set
HP 8924E

This declaration covers al l optio ns of the abo ve
product.

conforms to the following Product specifications:

Safety: IEC 1010-1:1990+A1 / EN 61010-1:1993

CAN/CSA-C22.2 No. 1010.1-92

EMC: CISPR 11:1990/EN 55011:1991 Group 1, Class A

IEC 801-2:1984/EN 50082-1:1992 4 kV CD, 8 kV AD
IEC 801-3:1984/EN 50082-1:1992 3V/m
IEC 801-4:1988/EN 50082-1:1992 0.5 kV Sig. Lines, 1 kV Power Lines

Supplementary Information:

This product herewith complies wi th the requirements of the Low Voltage Directive
73/23/EEC and the EMC Directive 89/336/EEC.

Spokane, Washington USA March 27, 1998

Date Vince Roland/Quality Manager

European Contact: Your local Hewlett-Packard Sales and Service Office or Hewlett-Packard GmbH
Department ZQ/Standards Europe, Herrenberger Strasse 130, D-71034 Böblinger, Germany (FAX[phone]-

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9

HP 8924C/E
Support Contacts

The documentation suppl ied with your t est set is an exce llent source of re feren ce,
applications, and service information. Please use these manuals if you are
experiencing technical problems:

Table 1Documentation P/Ns

Description HP 8924C HP 8924E

User’s Guide 08924-90038 08924-90057
Application Guide 08924-90021 08924-90070
Reference Guide 08924-90053 08924-90060
Assembly Level Repair 08924-90061
CD ROM 08924-90059

If you have used the manuals and still have application questi ons , conta ct your
local HP Sales Representative.

Repair assistance is available for the HP 8924C/E CDMA Mobile Test Set from the
factory by phone and e-mail. Internal Hewlett-Packard users can contact the factory

through HPDesk or cc:Mail© (Lotus Corporation). Parts information is also available
from Hewlett-Packard.

10

When calling or writing for repair assistance, please have the following information
ready:

• Instrument model number (HP 8924C/E)

• Instrument Serial Number (tag located on the rear panel).

• Installed options - if any (tag located on the rear panel).

• Instrument firmware revision (displayed at the top of the screen when the Test Set is
powered up, and is also displayed on the CONFIGURE screen).

Support Telephone

1 800 827 3848 (Spokane Division Service Assistance, U.S. only)
1 509 921 3848 (Spokane Division Service Assistance, International)
1 800 227 8164 (HP Direct Parts Ordering, U.S. only)
1 916 783 0804 (HP Service Parts Identification, U.S. & Intl.)

Electronic mail (Internet): [e-mail]
cc:Mail: SERVICE, SPOKANE /HP-Spokane,desk1

Numbers:

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Table 2 Regional Sales and Service Offices

United States of America
U.S. Instrument Support Center
For Test & Measurement Equipment
Repair & Calibration.
Hewlett-Packard Company
Englewood, Colorado 80112

Telephone: [phone]
Fax: [phone]

South Eastern Europe
Sales and Service
Hewlett-Packard Ges. m.b.h.
Liebigasse 1
P.O. Box 72
A-1222 Vienna, Austria

Telephone: [phone]
Telex: 13 4425

Asia
Sales and Service
Hewlett-Packard Asia Ltd.
22-30/F Peregrine Tower
Lippo Center
89 Queensway, Central
Hong Kong
G.P.O. Box 863 Hong Kong

United States of America
Customer Information Center
For Assistance On All HP Products.
Hewlett-Packard Company
Tel: [phone]

6:00 am to 5:00 pm Pacific Time
Parts Direct: 1-800-227-8164

European Multicountry Region
Sales and Service
Hewlett-Packard S.A.
P.O. Box 95
150, Route dv Nant_dl_AVRIL
CH-1217 Meyrin 2
Geneva, Switzerland

Telephone: [phone]
Fax: [phone]

Japan
Sales and Service
Yokogawa-Hewlett-Packard Ltd.
3-29-21, Taka ido-Higash i
Suginami-Ku, Tokyo 168

Telephone: [phone]
Fax: [phone]

Northern Europe
Sales and Service
Hewlett-Packard Nederland B.V.
Startbaan 16
1187 XR
Amstelveen, The Netherlands
P.O. Box 667

Telephone: [phone] X 6631
Fax: [phone]NL

International Sales Branch
Headquarters
Sales and Service
Hewlett-Packard S.A.
39 Rue Veyrot
P.O. Box 365
1217 Meyrin 1
Geneva, Switzerland

Telephone: [phone]
Fax: [phone]

Australia, New Zealand
Sales and Service
Hewlett-Packard Ltd.
P.O. Box 221
31-41 Joseph Street
Blackburn, Victoria 3130

Telephone: [phone]
Fax: [phone]

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11

Canada
Sales and Service
Hewlett-Packard (Canada) Ltd.
5150 Spectrum Way
Mississauga, Ontario L4W 5G1
Canada

Telephone: [phone]
Fax: [phone]

Telephone: [phone]
Fax: [phone]

Canada
Service Center
Hewlett-Packard Company
17500 Transcanada Highway
S. Serv Road
Kirkland, Quebec H9J 2X8
Canada

Telephone: [phone]

Table 2 Regional Sales and Service Offices (Continued)

Canada
Service Center
Hewlett-Packard Ltd.
11120 178 Street
Edmonton, Alberta T5S 1P2
Canada

Telephone: [phone]
Fax: [phone]

Latin America
Hewlett-Packard Company
LAHQ Mexico City
Col. Lomas de Virreyes
11000 Mexico D.F.
Mexico

Telephone: [phone]
Fax: [phone]

United Kingdom
Sales and Service
Hewlett-Packard Ltd.
Cain Road
Amen Corner
Bracknell, Berkshire
RG12 1HN
United Kingdom

Telephone: [phone]
Fax: [phone]

12

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Power Cables

Earth
Ground

Line Neutral

Plug Type

Plug Descriptions

male/female

Straight/Straight
Straight/90°

HP Part #

(cable &plug)

8120-1689
8120-1692

Cable Descriptions

79 inches, mint gray
79 inches, mint gray

Used in the following locations

Afghanistan, Albania, Algeria, Angola, Armenia,Austria, Azerbaijan, Azores
Bangladesh, Belgium, Benin, Bolivia,Boznia-Herzegovina, Bulgaria, Burkina Faso, Burma, Burundi,Byelarus
Cameroon, Canary Islands, Central AfricanRepublic, Chad, Chile, Comoros, Congo, Croatia, Czech

Republic,Czechoslovakia
Denmark, Djibouti
East Germany, Egypt, Estonia, Ethiopia
Finland, France, French Guiana, French Indian Ocean Areas
Gabon, Gaza Strip, Georgia, Germany, Gozo, Greece
Hungary
Iceland, Indonesia, Iran, Iraq, Israel, Italy, Ivory Coast
Jordan
Kazakhstan, Korea, Kyrgystan
Latvia, Lebanon, Libya, Lithuania, Luxembourg
Macedonia, Madeira Islands, Malagasy Republic, Mali, Malta, Mauritania, Miquelon, Moldova, Mongolia,

Morocco, Mozambique
Nepal, Netherlands, Netherlands Antilles, Niger, Norway
Oman
Pakistan, Paraguay, Poland, Portugal
Rep. South Africa, Romania, Russia, Rwanda
Saudi Arabia (220V), S eneg al , S l ovak Rep ubl i c, Sl ov eni a, Somalia, Spain, Spanish Afri ca, Sri Lanka, St.Pierce

Islands
Sweden, Syria
Tajikistan, Thailand, Togo, Tunisia, Turkey, Turkmenistan
USSR, Ukraine, Uzbekistan
Western Africa, Western Sahara
Yugoslavia
Zaire

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13

Plug Type

Earth
Ground

Line Line

Earth
Ground

Line Neutral

Used in the following locations

Peru

Plug Descriptions

male/female

HP Part #

(cable & plug)

Cable Descriptions

Straight/Straight 8120-0698 90 inches, black

Plug Type

Used in the following locations

Switzerland

Plug Descriptions

male/female

Straight/Straight
Straight/90°

HP Part #

(cable & plug)

8120-2104
8120-2296

Cable Descriptions

79 inches, gray
79 inches, gray

14

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Plug Type

125V

Earth
Ground

LineNeutral

Plug Descriptions

male/female

Straight/Straight
Straight/90°
Straight/Straight

HP Part #

(cable & plug)

8120-1378
8120-1521
8120-1751

Used in the following locations

American Samoa
Bahamas, Barbados, Belize, Bermuda, Brazil,
Caicos, Cambodia, Canada, Cayman Islands, Columbia, Costa Rica, Cuba
Dominican Republic
Ecuador, El Salvador
French West Indies
Guam, Guatemala, Guyana
Haiti, Honduras
Jamaica
Korea
Laos, Leeward and Windward Is., Liberia
Mexico, Midway Islands
Nicaragua
Other Pacific Islands
Panama, Philippines, Puerto Rico
Saudi Arabia (115V,127V), Suriname
Taiwan, Tobago, Trinidad, Trust Territories of Pacific Islands
Turks Island
United States
Venezuela, Vietnam, Virgin Islands of the US
Wake Island

Cable Descriptions

90 inches, jade gray
90 inches, jade gray
90 inches, jade gray

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15

Plug Type

JIS C 8303, 100 V

Earth
Ground

LineNeutral

Used in the following locations

Japan

Plug Descriptions

male/female

Straight/Straight
Straight/90°

HP Part #

(cable & plug)

8120-4753
8120-4754

Cable Descriptions

90 inches, dark
gray 90 inches,
dark gray

Plug Type

Earth

Neutral

Ground

Line

Used in the following locations

Denmark
Greenland

Plug

Descriptions

male/female

90°/Straight
90°/90°
Straight/Straight

HP Part #

(cable & plug)

8120-2956
8120-2957
8120-3997

Cable Descriptions

79 inches, gray 79 inches, gray 79
inches, gray

16

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Plug Type

Earth
Ground

Line

Neutral

Line

Neutral

Earth
Ground

Plug Descriptions

male/female

Straight/Straight
Straight/90°

Used in the following locations

Botswana
India
Lesotho
Malawi
South-West Africa (Namibia), Swaziland
Zambia, Zimbabwe

HP Part #

(cable & plug)

8120-4211
8120-4600

Cable Descriptions

79 inches, mint gray
79 inches, mint gray

Plug Type

Used in the following locations

System Cabinets

Plug Descriptions

male/female

Straight/Straight
Straight/Straight
Straight/90°
Straight/90°

HP Part #

(cable & plug)

8120-1860
8120-1575
8120-2191
8120-4379

Cable Descriptions

60 inches, jade gray
30 inches, jade gray
60 inches, jade gray

15.5 inches, jade gray

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17

Plug Type (Male)

Earth
Ground

Line

Neutral

Plug

Descriptions

male/female

90°/Straight
90°/90°

HP Part #

(cable & plug)

8120-1351
8120-1703

Cable Descriptions

90 inches, mint gray
90 inches, mint gray

Used in the following locations

Bahrain, British Indian Ocean Terr., Brunei
Canton, Cyprus
Enderbury Island, Equatorial Guinea
Falkland Islands, French Pacific Islands
Gambia, Ghana, Gibraltar, Guinea
Hong Kong
Ireland
Kenya, Kuwait
Macao, Malaysia, Mauritius
Nigeria
Qatar
Seychelles, Sierra Leone, Singapore, Southern Asia, Southern Pacific Islands, St. Helena, Sudan
Tanzania
Uganda, United Arab Emirates, United Kingdom
Yeman (Aden & Sana)

18

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Plug Type

Line

Neutral

Earth
Ground

Used in the following locations

Argentina, Australia

China (People’s Republic)
New Zealand
Papua New Guinea
Uruguay
Western Samoa

Plug Descriptions

male/female

Straight/Straight
Straight/90°

HP Part #

(cable & plug)

8120-1369
8120-0696

Cable Descriptions

79 inches, gray
80 inches, gray

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19

ATTENTION

Static Sensitive

Devices

This instrument was constructed in a n ESD (electro-static discharge) protected environment. This is
because most of the semi conductor devices used in this instrument are susceptible to damage by
static discharge.

Depending on the magnitude of the charge, device substrates can be punctured or destroyed by
contact or mere proximity of a static charge. The result can cause degradation of device
performance, early failure, or immediate destruction.

These charges are generated in numerous ways such as simple contact, separation of materials, and
normal motions of persons working with static sensitive devices.

When handling or servi cing equipment containing static s ensitive devi ces, adequat e precauti ons must
be taken to prevent device damage or destruction.

Only those who are thoroughly familiar with industry accepted techniques for handling static
sensitive devices should attempt to service circuitry with these devices.

In all instances, measures must be taken to prevent static charge build-up on work surfaces and
persons handling the devices.

20

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In This Book Chapter 1, I n troduction

A general description of what the Test Set does is included. Theory of Operation,
troubleshooting, repairing, calibrating, and verifying instrument performance are
discussed. Additional HP support information is provided.

Chapter 2, Troubleshooting

The process for isolating a fai lure to the fault y assembly is di scussed, in cluding how to
use the automated diagnostic routines.

Chapter 3, Repair

Illustrated disassembly/assembly drawings are provided to show the order of
disassembly and to identify the component designators for most assemblies.

Chapter 4, Periodic Adjustment

Automated calibration procedures for various Test Set functions are discussed,
including step-by-step procedures for using the automated calibration procedures.

Chapter 5, Performance Verification

Procedures are provided to verify the performance of each section of the Test Set.
Included are the necessary test instruments are their settings, instruments connections,
and the Test Set setup0 needed for each test.

Chapter 6, Specifications

Chapter 7, Service Screen

Chapter 8, Block Diagrams

Chapter 9, Replaceable Parts

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21

The warranted specifications of the Test Set are listed.

A description of the Service Screen and its ope ration is provided.

Diagrams are provided illustrating the general operation of major sections of the Test
Set. The diagrams also provide detailed illustrations of each assembly, including signal
functions and connector pi n numbers. This i nformation is used to b etter understand the
operation of the Test Set when manually troubleshooting (if the automated diagnostics
cannot identify a faulty assembly with high confidence).

Part numbers for each replaceable part are provided.

Chapter 10, Diagnostic Descriptions

Test Set’s automated diagnostics are described. The descriptions help you understand
what has been checked by the diagnostics in case they cannot identify a probable f ailure
and you must troubleshoot further.

Appendix A, Error Messages

22

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Contents

1 Introduction

Test Set Description 56

Theory of Operation 58

Troubleshooting Strategy 65

Repair Process 66

Calibration and Performance Verification 67

HP 8924C/E Support Contacts 68

Hardware and Firmware Enhancements 69

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23

Contents

2 Troubleshooting

How to Troubleshoot the Test Set 72

Step 1- Run the Power-up Diagnostics 74
Step 2- Run the Functional Diagnostics 75
Step 3 - Verify Test Set Functions 78

More About Step 1- Run the Power-Up Diagnostic 79

More About Step 2- Run the Functional Diagnostics 81
USER Keys 81
Frequently Encountered Error Messages 81
Timeouts 82
The Four Functional Diagnostics 82
Troubleshooting Aids 85

More about Step 4 - Verify Test Set Functioning 89

Isolating Out-of-Lock Conditions 90
CDMA Reference (A29) Unlocked 91
LO/IF Demod (A31 ) Unlocked 92
Receiver Synthesizer (A28) Unlock ed 93
Signal Generator Synthesizer (A24) Unlocked 93
Swapping Known-Good Assemblies 94

Further Isolating RF Failures 96

Isolating Input and Output Failures 97
Isolating the RF An alyzer 97
Isolating the RF Source 100

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3 Repair

Before You Start 102

Recommended Torque 102
Tools 102
Ordering Replacement Parts 102

Downloading Calibration Data 103

Locating Assemblies 104

Disassembly and Replacement Procedures 105

Removing the External Covers 105
Removing the Front Panel Assembly: A1, A2, A3, A4, and A5 107
Replacing Keyboard Filter Assembly (A2) 111
Front Panel Disassembly 113
Removing Power Supply (A23) 122
Removing the Voltage Regulator (A20) and Fan (A21) 123
Removing the RF and AF Assembly Covers 124
Removing the Control Interface Assembly (A33) 125
Removing the Rear S ub-Panel (MP27) 126
Removing the Memor y Assembly (A17) 128
Remove the Oven Time Base (A38) 129
Remove the Audio Analyz er 1 Sub-assemblies (A35) 130
Fastening the Motherboard to the Chassis Base 132
Fastening the Internal Web to the Chassis 133

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Replacing the A16 Host Controller 135

Contents

4 Periodic Ad justments

Introduction 138

Manual and Automated Adjustments 139
Calibration Equipment 140
10 MHz Oven Timebase Adjustmen t 140
Zeroing the DC_FM, DC Current, TX Power, and CDMA Power Functions 141
Running the Periodic Calibration Programs 142
Write-Protected Calibration Data 143
PER_CAL3 Routines 144
CDMA_CAL Routines 147
PCB_CAL Routine 148

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Performance Verification

5 HP 8924C

Verifying Performance 150

Test Set Operation 150
Equipment 150
Test Equipment Operation 151

RF Gen FM Distortion
Performance Test 1 152

Description 152
Setup 152
Procedure 153

RF Gen FM Accuracy
Performance Test 2 154

Description 154
Setup 154
Procedure 155

RF Gen FM Flatness
Performance Test 3 156

Description 156
Setup 156
Procedure 157

RF Gen Residual FM
Performance Test 4 158

Description 158
Setup 158

RF Gen Duplex Output High Level Accuracy
Performance Test 5 161

Description 161
Setup 161

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RF Gen Duplex Output Low Level Accuracy
Performance Test 6 163

Contents

Description 163
Setup 163
Procedure 164

RF Gen RF IN/OUT Level Accuracy
Performance Test 7 165

Description 165
Setup 165
Procedure 166

RF Gen Harmonics Spectral Purity
Performance Test 8 167

Description 167
Setup 167
Procedure 168

RF Gen Spurious Spectral Purity
Performance Test 9 169

Description 169
Setup 169
Procedure 170

AF Gen AC Level Accuracy
Performance Test 10 171

Description 171
Setup 171

AF Gen DC Level Accuracy
Performance Test 11 173

Description 173
Setup 173
Procedure 174

AF Gen Residual Distortion
Performance Test 12 175

Description 175
Setup 175
Procedure 176

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AF Gen Frequency Accuracy
Performance Test 13 177

Description 177
Setup 177
Procedure 178

AF Analyzer AC Voltage Accuracy
Performance Test 14 179

Description 179
Setup 179
Procedure 180

AF Analyzer Residual Noise
Performance Test 15 181

Description 181
Setup 181
Procedure 182

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AF Analyzer Distortion, SINAD, and SNR Accuracy
Performance Test 16 183

Description 183
Setup 183
Procedure 184

AF Analyzer DC Level Accuracy
Performance Test 17 185

Description 185
Setup 185
Procedure 186

AF Analyzer Frequency Accuracy to 100 kHz
Performance Test 18 187

Description 187
Setup 187
Procedure 188

AF Analyzer Frequency Accuracy at 400 kHz
Performance Test 19 189

Contents

Description 189
Setup 189
Procedure 190

Oscilloscope
Performance Test 20 191

Description 191
Setup 191
Procedure 192

RF Analyzer Level Accuracy
Performance Test 21 193

Description 193
Calibration Setup 193
Calibration Proce d ure 1 94
Measurement Setup 195
Measurement Procedur e 195

RF Analyzer FM Accuracy
Performance Test 22 197

Description 197
Setup 198
Procedure 199

RF Analyzer FM Distortion
Performance Test 23 200

Description 200
Setup 201
Procedure 202

RF Analyzer FM Bandwidth
Performance Test 24 203

Description 203
Setup 203
Procedure 205

RF Analyzer Residual FM
Performance Test 25 207

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