HP 4396b schematic

Agilent

4396B Network/Spectrum/Impedance

Service Manual

Analyzer

This

number

F

manual

or

additional

numbers

applies

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SERIAL

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serial

1.00.

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A.

Agilent Part No. 04396-90121

Printed in Japan March 2001

Third Edition

Notice

The

information

This

document

reserved.

language

contains

No

part

without

contained

proprietary

of

this

the

prior

in

this

document

written

document

information

may

be

consent

is

subject

that

is

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of

the

Agilent

to

change

protected

reproduced,

T

echnologies.

without

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copyright.

or

notice

.

All

translated

rights

to

another

are

Agilent

T

echnologies

Component

1-3-2,

Hyogo

Murotani,

,

651-2241

T

est

Japan,

PGU-Kobe

Nishi-ku,

Japan

Ltd.

Kobe-shi,

c



Copyright Agilent Technologies Japan, Ltd. 1997, 2000, 2001

Manual Printing

The

manual's

changes

at

reprint

technical

May

1997

June

when

do

changes

2000

printing

a

new

not

cause

:

::

:

::

edition

are

incorporated.

::

:

::

History

date

and part

is

the

date to

:

number indicate

printed. (Minor

change.)

:

::

:

::

corrections and

The manual

::

:

::

:

its current

part number

:

First

Second

edition. The

updates that

Edition

printing date

are incorporated

changes when

(part

number:

(part

number:

extensive

04396-90121)

March

2001

:

::

:

::

:

Third

Edition

(part

number:

04396-90121)

iii

Safety Summary

The

following

service

W

ARNINGS

In

addition

,

and

elsewhere

it

general

repair

violates

of

safety

this

safety

instrument.

The

A

gilent

requirements

T

echnologies

.

precautions must

instrument. F

in

this

manual

standards

assumes

ailure to

may impair

of design,

no liability

be observed

comply with

the protection

manufacture,

for the

customer's failure

during all

phases of

these precautions

provided by

and intended

operation,

or with

the equipment.

use of

to

comply

the

with

specic

these

Note

4396B

in

Note

LEDs

CLASS

Ground

To

avoid

safety earth

DO

Do not

electrical

Keep

The

electric

NOT

Operate

operate

instrument in

Away

Instrument

shock

ground

the

From

Operating personnel

adjustments

with

the

with

the

circuits

power

before

must

cable

touching

be

comply

IEC1010-1.

in 4396B

1

LED

hazard,

by

the

supplied

In

An

instrument

such

Live

must not

made

by

connected.

removed.

them.

with

INST

4396B

are

Class

PRODUCT

the

instrument

power

Explosive

in

the

presence

an

environment

Circuits

remove

qualied

Under

T

o

avoid

ALLA

TION

INDOOR

1

in

accordance

chassis

cable

Atmosphere

of

constitutes

instrument

maintenance

certain

injuries

CA

TEGORY

USE

product.

and

with

earth

ammable

covers

.

personnel.

conditions

,

always

II

with

IEC825-1.

cabinet

blade

.

gasses

a

denite

Component

Do

,

dangerous

disconnect

and

POLLUTION

must

be

or

fumes

safety

replacement

not

replace

voltages

power

connected

.

Operation

hazard.

components

may

and

discharge

DEGREE

to

a

of

and

internal

exist

2

any

even

DO

NOT Service

Or

A

djust

Alone

Do not attempt internal service or adjustment unless another person, capable of rendering rst

aid and resuscitation, is present.

DO NOT Substitute P

Because of the danger of introducing additional hazards

arts Or Modify Instrument

, do not install substitute parts or

perform unauthorized modications to the instrument. Return the instrument to a Agilent

T

echnologies Sales and Service Oce for service and repair to ensure that safety features are

maintained.

iv

Dangerous

W

arnings

this

,

manual.

Procedure

such

as

the

Instructions

W

example

contained

arnings

below

in

,

precede

the

warnings

potentially dangerous

must

be followed.

procedures throughout

W

arning

Safety

General

Dangerous voltages

instrument. Use

this instrument.

Symbols

denitions

Instruction

necessary

Alternating

Direct

On

O

In

Out

of

safety

current.

(Supply).

position

symbols

manual

for

the

current.

of

push-button

of

push-button

, capable

of

extreme caution

used

on

equipment

symbol:

user

to

the

refer

product

to

switch.

causing

death,

when handling,

or

in

is

marked

the

instruction

are

manuals

with

manual.

present

testing,

are

listed

this

in

this

and

below

symbol

adjusting

.

when

it

is

Frame

equipment

This

condition

result

This

condition

result

This

procedure, practice

(or

chassis)

which normally

Warning

or the

in injury

Caution

or

in

damage

Note

sigh

terminal.

sign denotes

like,

which, if

or death

sign

the

like

to

to personnel.

denotes

,

which,

or

destruction

denotes important

, condition or the like

A

connection

include all

a

hazard.

not

correctly

a

hazard.

if

not

correctly

of

information.

exposed

It

calls

It

calls

part

or

, which

to

the

frame

metal

attention

performed

attention

performed

all

of

It

(chassis) of

structures

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or

to

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the

product.

calls

attention

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.

procedure

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Axed to product containing static sensitive devices use anti-static handling

procedures to prevent electrostatic discharge damage to component.

,

v

Certication

Agilent

of

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International

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During

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with

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General

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repair

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Agilent T

the

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echnologies further

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one

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Information

period, Agilent

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be defective

product

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Institute of

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to

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Agilent

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Agilent

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The

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Of

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vi

Exclusive Remedies

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remedies

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Assistance

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vii

Typeface Conventions

Bold

Italics

Computer

4

HARDKEYS

N

NN

N

SOFTKEYS

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are

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viii

Documentation Map

The

following

manuals

are

available for

the analyzer

.

User's

Guide

The User's

make

basic

Guide walks

measurements,

measurement

T

ask

Reference

T

ask

Reference

step-by-step

instructions

Function Reference

The

Function

softkeys

system

Programming

The

analyzer

GPIB

Command

The

also

features

HP

Instrument

The

.

It

also

performance

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Programming

and

Reference

GPIB

Command

provides

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ASIC

HP

Instrument

programming

provide

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ASIC

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general

Programming

B

examples

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Guide

describes

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information

to

the

Manual

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ASIC

language

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programming

T

ASIC

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you through

explains commonly

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After

you receive

to

learn

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describes

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all

information

some

topics

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how

HP

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provides

on

the

status

SCPI

standard).

Set,

User's

provide

Handbook

some

reference

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HP

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eference

system setup

used features

your analyzer

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accessories available

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ASIC

with

all

you

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into

Interface

features.

available

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to

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power-on, shows

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application

this

manual.

provides

front panel

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the

analyzer

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trigger

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and

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erformance

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erformance

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(Option 0B

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est

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verify

The Service Manual explains how to adjust, troubleshoot, and

This manual is option 0BW only

.

conformance

repair the instrument.

to

published

ix

Contents

1.

General

INTRODUCTION

ORGANIZATION

TABLE

2.

A

djustments

Introduction

Safety

Required

W

arm-up

Instrument Cover

Order

Updating

A

Controller

Updating

40

Required

Procedure

520

Required

Procedure

CAL

Required

Procedure

Comb

Required

Procedure

Step

Required

Procedure . . . . . . . . . . . . .

Second Local PLL Lock A

Required Equipment . . . . . . . . . . . . . . . . . . . . . .

Procedure . . . . . . . . . . . . . . . . . . . . . . . .

DC

Required

Procedure .

0/90Tracking A

Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23

Band Pass Filters Adjustments . ..... ...... ...... ...... 2-26

Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26

Information

.

..

.

OF

SERVICE

OF

SERVICE

and

.

Considerations

Equipment

for

A

djustments

Of

A

djustments

Correction

djustments

Keyboard

MHz

Reference

MHz

OUT

Generator

Pretune Correction

Oset and Hold Step A

3 MHz Band Pass Filter Adjustment.... ...... ...... .... 2-26

1 MHz BPF Band Width Adjustment . . . . . . . . . . . . . . . . . . . . 2-27

and

Requirement

Correction

Equipment

.

Level

Equipment

.

Level

Equipment

.

Equipment .

..

Equipment

Equipment........................

TEST

Correction

.

Removal .

.

Constants

Program

Mouse

Constants

Oscillator

.

A

djustment

.

A

djustment

.

A

djustment

..

.

..... ..... ...... ...... ...

djustment ...... ...

MANU

EQUIPMENT

.

and

..

.

Operation

.

Frequency

.

..

.

..

.

..

.

Constants .

.

djustment.. ...... ...... ...

djustment ...................

AL

Constants

.

Correction

.

using

the

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

Constants

.

A

djustments

.

A

djustment

.

..

.

..

.

..

.

..

.

...... ...... ...... ..

.

..

.

Program

.

..

.

..

.

..

.

..

.

................

.

..

.

..

.

..

.

..

.

..

.

..

.

.........

.......

.

..

.

..

.

.....

......

.

..

.

..

.

....

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

1-1

. 1-1

. 1-3

.

2-1

.

2-1

.

2-2

.

2-2

.

2-2

.

2-3

.

2-3

.

2-3

.

2-4

.

2-5

.

2-6

.

2-6

.

2-6

.

2-8

.

2-8

.

2-10

.

2-10

.

2-12

.

2-12

2-15

.

2-15

2-16

2-18

2-23

Contents-1

Final

Gain A

Required

Procedure

Source

RF

Spectrum

Network

Crystal

IF

Network

10

Mixer Local

Required

Procedure

OUT

Required

Procedure

Required

Procedure

Required

Procedure

Required

Procedure

Gain

Required

Procedure

Required

Procedure

MHz

Required

Procedure

djustment .

Equipment .

..

Equipment .

..

Level

Correction

Equipment

.

Analyzer

Equipment

.

Analyzer

Equipment

.

Filter

Correction

Equipment

.

Errors

Reference

Correction

Equipment

.

Analyzer

Equipment

.

Equipment

.

Leakage

.

Absolute

.

Absolute

.

Constants

.

Magnitude

.

..

Oscillator

.

..

.

A

djustment

.

Constants

.

Magnitude

.

Magnitude

.

..

Constants

.

Ratio/Phase

.

..

.

Frequency

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

Correction

.

..

Correction

.

..

.

..

.

..

Correction

.

Adjustment

.

..

.

..

.

..

.

Constants

..

.

..

.

Constants

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

Constants

.

(Option 1D5

.

..

.

..

.

Only)

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

2-29

.

2-29

.

2-29

. 2-31

.

2-31

.

2-31

.

2-33

.

2-33

.

2-33

.

2-34

.

2-34

.

2-34

2-35

.

2-35

.

2-35

.

2-36

.

2-36

.

2-36

.

2-37

.

2-37

.

2-37

. 2-39

.

2-39

.

2-41

.

2-41

3.

Troubleshooting

INTRODUCTION

TROUBLESHOOTING

ST

ART HERE

INSPECT

Check

OPERA

T

est

Procedure

INSPECT

Check the GPIB Interface

Check the P

Check the mini DIN Keyboard Connector

4. Isolate F

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . .

OPERATOR'S CHECK F

Check RF OUT Frequency

Check RF OUT Power Level ........................ 4-2

PERFORMANCE TESTS FAILURE TROUBLESHOOTING ...... ...... 4-3

Perform Adjustments and Correction Constants ..... ...... .... 4-3

Troubleshoot Suspicious Functional Group . . . . . . . . . . . . . . . . . . 4-4

THE

the

Error

TOR'S

Equipment

THE

aulty Group Troubleshooting

..

.

SUMMARY .

..

.

POWER

F

an

Front

Message

CHECK

.

REAR

arallel Interface

ON

.

P

anel

LEDs

.

P

ANEL

AILURE TROUBLESHOOTING

.

..

.

..

SEQUENCE

.

and

.

..

FEA

TURE

......

.....................

.

Displays

.

..

.

..

.

..

.

..

.

..

.

...................

.... ...... ...... ..

......

...... ......

...... ...

.... ...... ...

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

....

.

3-1

.

3-1

.

3-3

.

3-4

.

3-4

.

3-4

.

3-4

.

3-5

.

3-5

. 3-5

.

3-9

4-1

4-2

Contents-2

5.

Power

INTRODUCTION

ST

ART HERE

1.

Check Error

2.

Check the

3.

Check the

A50

4.

Check

Measure

5.

Check

6.

Run

Internal

FIND

OUT

1.

Check

2.

Check

FIND

OUT

1.

Disconnect

2.

Disconnect

3.

Disconnect

4.

Remove

FIND

OUT

1.

Check

2.

Check

3.

Disconnect

4.

Remove

TROUBLESHOOT

1.

Troubleshoot

2. Troubleshoot

TROUBLESHOOT

1.

Check the

2.

Check the

3.

Remove Assemblies

4.

Measure the

Supply Troubleshooting

..

.

F

an

A50

Shutdown

the

A1

the

A1

the

A2

the

Internal

T

est

WHY

THE

the

Line

the

A50

WHY

THE

the

Assemblies

WHY

THE

the

A40

the

A50

Cables

Assemblies

A40

A50 DC-DC

Messages

is

SHUTDOWN

LED

+5

Eight

4:

A2

V

SHUTDOWN

Cable

Pre-Regulator

DC-DC

THE

the

THE A2

Pre-Regulator

A2 P

.

Rotating

.

VD

LED

VD

V

oltage

LEDs

T

est

4:

A2

POST

REGULA

F

AN

IS

NOT

oltage

,

Selector

A50

SHUTDOWN

from

.

A1

+5

VD

Converter .

on

the

A1 CPU

.

..

F

AN

AND

F

an

.

A50

DC-DC

POST-REGULA

Converter

..

.

ost

Regulator

.

LED

.

POST

ROT

Switch

LED

the

A50J1

the

A51J2

the

A1J10

.

LED

.

..

THE

..

.

Converter

.

Output

.

..

.

..

.

..

.

..

.

REGULA

TOR

A

TING

.

LED

.

IS

NOT

.

..

.

A50

.

TOR

.

TOR

.

..

Setting,

.

..

IS

OFF

.

..

.

ON

STEADILY

.

..

.

DC-DC CONVERTER

.

V

oltages

..

.

..

.

..

.

..

and

..

.

..

.

..

.

..

.

..

.

..

Fuse

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

5-1

.

5-3

.

5-3

.

5-3

. 5-3

.

5-4

.

5-5

.

5-5

.

5-5

.

5-6

.

5-7

.

5-8

.

5-8

.

5-8

.

5-9

.

5-9

.

5-9

.

5-9

.

5-9

.

5-10

.

5-10

.

5-10

.

5-11

.

5-12

.

5-13

.

5-13

.

5-14

.

5-16

. 5-16

5-16

.

5-16

6.

Digital

INTRODUCTION

A1

FIRMW

START HERE

TROUBLESHOOT THE A51 GSP and A52 LCD . . . . . . . . . . . . . . . . . 6-13

Control

CPU

Replacement

ARE

Ordering

Installing

1. Check the P

Check the

Check the A1 Eight LEDs

2.CheckErrorMessages........ ...... ....

Check the P

3. Check the A1 DRAM and Flash Memory

4. Check the A1 V

5. Check the A30 Front Keyboard ... ..... ...... ...... . 6-11

6. Check the A53 FDD . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11

7. Check the A32 I-BASIC Interface and the mini DIN Keyboard ....... 6-12

1. Run the Internal Test 3: A51 GSP .... ...... ..... ..... 6-13

2. Check the A52 LCD(Liquid Crystal Display) . . . . . . . . . . . . . . . . 6-13

Troubleshooting

.

..

.

..

INST

ALLA

TION

the

Firmware

the

Firmware

.......

ower On Sequence . . . .

5

and

4

Ch 1

owerOnSelftest .................

olatileMemory..................

.

..

Diskette

.

5

4

Ch 2

.

..

.

..

.

...... ...... ...... ..... ..

..................

Operations . . . . . . . . . .

.................

................

..

.

..

.

..

.

..

.

...... ...

...... .

...... ..

......

.

....

.

6-1

.

6-3

.

6-4

.

6-4

.

6-4

6-6

6-7

. 6-10

6-11

Contents-3

7.

Source Group

INTRODUCTION

SOURCE

Start

Check

ST

ART

CHECK

1.

Check

2.

Check

3.

Check

4.

Check

5.

Check

6.

Check

CHECK

1.

Check

2.

Check

CHECK

1.

Check

CHECK

1.

Check

2. Check

CHECK

1.

Check the

CHECK

1.

Check A7

CHECK

Troubleshooting

..

.

GROUP TROUBLESHOOTING

Here .

A5 Synthesizer

A4A1 1st

an

A3A2

an

A7

A60

HERE

A5

A4A1

AN

A3A2

AN A3A3

A7 OUTPUT

THE A60

.

LO

Outputs

A3A1

ALC

2nd

LO

Outputs

A3A3

Source

Output

SYNTHESIZER

the

A3A1

the

Attenuator

High

Stability

.

CAL

OUT

CAL

OUT's

INT

REF

FRA

C

N

STEP

OSC

520

MHz

EXT

REF

1ST

LO

OUTPUTS

1st

LO

OSC

1st

LO

OSC Signal

ALC

21.42

MHz

2ND

LO

OUTPUTS

2nd

Local

2.05858

SOURCE

A3A3

Control Signals

RF

ATTENU

HIGH ST

.

Outputs

Output

Frequency

.

OUTPUTS

Signal

Spurious

Signal

OSC

Signal

Operation

Signal

OUTPUT

Signal .

Oscillator

GHz

Signal

OUTPUT

Signal

A

ABILITY

.

Control

.

TOR

.

SUMMARY

.

..

.

Signals

Reference

..

.

..

.

at

A4A1J3

at A4A1J4

..

.

..

.

..

.

Signal

.

CONTROL

.

FREQUENCY

..

.

(Option

.

..

.

..

.

..

.

..

.

SIGNALS

.

REFERENCE

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

1D5)

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

. 7-3

.

. 7-3

.

..

.

. 7-4

.

. 7-32

.

7-1

7-3

7-4

7-5

7-7

7-8

7-9

7-11

7-13

7-16

7-18

7-19

7-21

7-23

7-26

7-27

7-30

7-32

7-34

8.

Receiver

INTRODUCTION

RECEIVER

Start

Check

Check Signal Inputs to A4A2 Receiver RF . . .

START HERE

CHECK A8 INPUT A

CHECK A9 INPUT MUL

CHECK SIGNAL INPUTS TO THE A4A2 RECEIVER RF . . . . . . . . . . . . .

Check the Input Signal to A4A2J3

Check the Input Signal to A4A2J12 . . . . . . . . . . . . . . . . . .

Contents-4

Group

Here

A8

A9

Troubleshooting

.

GROUP

.

Output

Input

TROUBLESHOOTING

.

Attenuator

Multiplexer

........

TTENUATOR CONTROL SIGNALS

.

..

.

SUMMARY

.

..

Control

.... ...... ...... ...... ..

TIPLEXER CONTROL SIGNALS . . . . . . . . . . . . .

Signals

.................

.

..

.

..

.

...... ...... ...

...

..........

.

..

.

..

.

..

.

....

...

8-1

8-3

8-4

8-5

8-7

8-9

9.

Accessories

INTRODUCTION

VERIFY

Using

Large

Odd

INSPECT

V

erify

Inspect

10.

Service

INTRODUCTION

SERVICE

N

TESTS

N

SERVICE

N

FIRMWARE

TESTS MENU

N

NN

EXECUTE TEST

NN

N

INTERNAL

N

EXTERNAL

N

ADJUSTMENT

N

DISPLAY

N

NN

N

ALL

N

MISC

T

est

Diagnostic

T

est Descriptions

Troubleshooting

..

.

..

.

9-1

OPERATIONS

75 

Connectors

Spurious Signals

Appearing Opens

THE

CONNECTORS

THE

A

CCESSORIES

the

Probe

the

T

est

the

Calibration

V

erify

Shorts

K

ey

Menus

MENU

N

NN

.

N

NN

N

NN

N

NN

N

NN

N

NN

N

NN

N

NN

N

EXT

N

NN

TESTS

Status

N

NN

N

INTERNAL

0: ALL

1: A1

2: A1

3: A51

4: A2

5: A6

6: A5 REFERENCE OSC

7: A5 FRA

8: A5 STEP OSC . . . . . . . . . . . . . . . . . .

9: A4A1 1ST LO OSC

10: A3A2 2ND LO OSC . . .

11: A3A1 DIVIDER

12: A6 3RD LO OSC

13: A3A1 SOURCE OSC

14: A6 3RD IF DC OFFSET . . . . . . . . . . . . . . . . . . . . . . . . 10-9

15: A6 SEQUENCER . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-9

16: A3A1 ALC .. ...... ..... ...... ...... .... 10-9

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

EXTERNAL TESTS

17: FRONT PANEL DIAG. ........................ 10-12

18: DSK DR FAULTISOL'N........................ 10-12

19: POWER SWEEP LINEARITY ..................... 10-12

N

CPU .

VOLA

POST REGULA

A/D

.

N

NN

MODES

N

NN

REVISION

..

N

NN

N

NN

N

TESTS

N

TESTS

N

NN

TESTS

N

NN

N

TESTS

N

NN

N

TESTS

N

(

:DIAG:TEST

.

T

ests

N

TESTS

INT .

TILE MEMORY

GSP .

CONVERTER

CTIONAL N OSC . . . . . . . . . . . . . . .

.

..

with

50



Connectors

in

the

Spectrum

and

Shorts

.

P

ower

Set

and

.

N

(

:DIAG:SERV:MODE

N

.

(

:DIAG:TEST:EXET

N

(

:DIAG:TEST

N

NN

(

:DIAG:TEST

N

(

:DIAG:TEST 48

N

(

:DIAG:TEST

.

..

N

NN

N

.

..

.

Kit

.

Opens

.

N

.

N

(

:DIAG:TEST

.

..

(

:DIAG:FREV?

.

0

)

17

)

53

)

58

)

.

..

.

..

.

..

.

TOR .

..................

.....

....

............................ 10-9

..

.

.................

...... ...... ...... .....

......

Measurement

in

the

Network

.

..

.

..

{ON|1}

)

.

).

.

)

.

41

)

.

..

.

..

.

..

.

......................

.

..

.

Measurement

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

)

.

..

.

..

.

..

.

..

.

..

.

...... ..... ...... ..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

...... ..

...... ...

.........

........

.

..

.

..

.

..

.

..

.

..

.

..

.

9-2

. 9-2

.

9-3

.

9-4

.

9-4

.

9-5

.

9-5

.

9-5

.

10-1

.

10-3

.

10-3

.

10-3

.

10-4

. 10-4

.

10-4

.

10-5

.

10-5

.

10-5

.

10-5

.

10-5

. 10-5

.

10-6

.

10-7

.

10-7

.

10-7

.

10-7

. 10-7

.

10-8

.

10-8

10-9

Contents-5

20:

OUTPUT A

21:

INPUT A

22:

RF TO

23:

STO

24:

S INPUT

25:

S INPUT

26:

S

INPUT

27:

FRA

CTION

28:

RF

TO

29:

NA

CROSST

30:

R

INPUT

31:

RANGING

32:

A/R

RA

33:

A

INPUT

34:

B/R

RA

35:

B

INPUT

36:

RESOLUTION

37:

IF

GAIN

38:

PHASE

39:

SPURIOUS

40:

X'T

N

ADJUSTMENT

41:

42:

43:

44:

45:

46:

47: 1

N

DISPLAY TESTS

48:

49:

50:

51:

52:

N

ALL

53:

54:

55:

56:

57: ALL EXT 5

NNNNNN

N

MISC TESTS

58: IMPED

SERVICE MODES MENU . . . . . . . . . . . . . . . . . . . .

NNNNNNNNNNNNNNN

N

BUS MEAS [OFF]

NNNN

NNNNNNNNNNNNNNNNNNNNNNNNN

CORRECTION CONSTANTS

NNNNNNNN

IF

NNNNNNN

NNNNNNNNNN

SYNTH

NNNNNNNNNNNNNNNNNNNN

SOURCE

Service Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-20

BUSMEASUREMENTMENU.... ..... ...... ...... .... 10-21

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BUS MEAS on OFF(:DIAG:SERV:BUS:STAT {ON|OFF}

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DC BUS [OFF](:DIAG:SERV:BUS:DC<numeric>) .. ..... ...... 10-21

AL

N

NN

N

DC

OFFST/HLD

0/90

FINAL

2nd

LO

SOURCE

3

MHZ

N

NN

N

TEST

N

NN

N

EXT

ALL EXT

ALL

NNNNNNNNNNNNNNNNNNNNNNNNN

..........

.................................. 10-19

.................................. 10-20

TTENUA

TTENU

S

L

VL

A

CROSST

COMPRESSION

RESIDU

NOISE

SPURIOUS

R

L

VL

ALK

COMPRESSION

.

TIO

A

COMPRESSION

TIO

A

CCURA

COMPRESSION

.

NOISE

.

FIL

TER

N

NN

TESTS

DEG

TRA

GAIN

PLL

LOCK

MIXER

BPF

ADJ

BPF

N

EXT

NNNNNNNNNNNNNNNNNNNNNNNNN

ADJ

N

NN

N

P

A

TTERN

P

A

TTERN

P

A

TTERN

P

A

TTERN

P

A

TTERN

N

NN

TESTS

1 .

2 .

3 .

4

.....................

ANCE TEST KIT . . . . . . . . . . . . . . . . .

NNN

TOR .

A

TOR

&

FL

TNESS

ALK

&

.

CCURA

B

.

RESPONSE

NN

N

CKING ADJ

ADJ

.

..... .....

.....

.

ALS

LEVEL

FL

TNESS

&

NOISE

.

CY

ANDWIDTH

.

N

.

STEP

..

ADJ

LEAK

.

1

.

2

.

3

.

4

..

5

.

..

.

..

.

..

.

NNNNNNNN

....................

.........................

.

..

.

ADJ .

..

ADJ

.

..

.

..

........................

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

...................

)............ 10-21

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

...... ...

...... .

......

. 10-12

.

. 10-13

.

. 10-16

.

. 10-17

.

. 10-17

.

. 10-19

10-13

10-14

10-15

10-16

10-17

10-18

10-19

Contents-6

N

NN

N

NN

FREQ

N

Bus

DC

Frequency

CORRECTION CONST

NNNNNNNNNNNNNNN

NNNN

NNNNNNNNNNNNNNNNNN

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

Correction Constants . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-33

IF CONTROL MENU .. ...... ...... ..... ...... .... 10-35

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

BUS

N

NN

N

AZ

SWITCH

N

NN

WAIT

Measurement

Bus

0:

1:

2:

3:

4:

5:

6:

7:

8:

9:

10:

11:

12:

13:

14:

15:

16:

17:

18:

19: STEP

20:

21:

22:

23:

24:

25:

26:

0:

1:

2:

3:

4: FN OSC (Fractional N Oscillator) . . . . . . . . . . . . .

5: REF OSC (Reference Oscillator)

6: 3RD LO OSC (Third Local Oscillator)

7: SAMPLE HOLD . . . . . . . . . . . . . . . . . . .

FRQ RSP CC ON/off

NNNNNNNNNNNNNNNNNNNNNNNNN

XTAL CC ON/off

IF GAIN CC ON/off(:DIAG:SERV:CCON:IFG {OFF|ON|0|1}

SOURCE CC ON/off(:DIAG:SERV:CCON:SOUR {OFF|ON|0|1}

3rd LO [ ](:DIAG:SERV:IF:TLOC:MODE {AUTO|AC|DC}

IF BPF [ ](:DIAG:SERV:IF:BPF:MODE {AUTO|BW3M|BW1M|XTAL}

N

NN

N

COUNT

Node

NONE

+5

V

(A

0

15

V

0

12.6

0

5

V

(

+5

V

(2.025

+5.3

V

+8.5

V

+15

V

+15

V

+22

F

AN

+65

SRC

VTUNE

2ND

DET

L

VL

CONT

D

A

C

1ST

LO

FN

VTUNE

FN

INTEG

REF

3RD

2ND

AD

VREF

GND

OFF

SOURCE

DIVIDER

STEP

NNNNNNNNNNNNNNNNNNNNNNNNN

NNNNNNNNNNNNNNNNN

NNNN

N

[OFF]

N

NN

(

V

0

(A

(1.92

V

POWER

V

LO

OUT

VTUNE

LO

IF

(Ground)

Bus

.

OSC

NNNNNNNNNNNNNNN

(

N

on

N

0

(2.1465

(1.8955

:DIAG:SERV:BUS:FREQ

NN

N

OFF

(

:DIAG:SERV:BUS:AZER {OFF|ON|0|1}

(

:DIAG:SERV:BUS:WAIT

.

Procedure

V

alues

.

Descriptions

.

UX)

(2.025

1.92

U)

(

0

2.124

2.025

U)

UX)

(1.92

U)

(2.002

(2.0605 U)

.

U)

.

(Source Oscillator

VTUNE

(Detector

(Level

VTUNE

(Step

(Fractional

OUT

(Reference

VTUNE

L

VL

(Second

(A/D

Node

Descriptions

.

OSC

(Source

OUT

(Divider

(Step

Oscillator)

ANTS MENU

NNNNNNNNNNNNN

(

:DIAG:SERV:CCON:XTAL {OFF|ON|0|1}

NNNNNNNNNNNNNN

.

U)

.

U)

.

..

.

..

.

U)

.

..

.

..

(Second

Output)

V

ernier

D

A

C

Output

(First

Local

Oscillator

(Fractional

(Third

IF

Converter

.

..

Oscillator)

Output)

(

:DIAG:SERV:CCON:FRES {OFF|ON|0|1}

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

VCO

Local Oscillator

.

Control

N

Oscillator

Local

Signal

V

.

..

V

oltage)

Oscillator

V

CO

N

Oscillator

V

Oscillator

Level)

oltage

Reference)

.

..

.

..

.

...... ...... ...

..

...... ...... ...... ..

<

numeric

..

.

..

.

..

.

..

.

Tuning V

.

oltage)

.

V

CO

Turning

V

CO

Integrator

CO

Tuning

V

.

..

.

..

.

...... ..... ...

..

.

..

.

..

.

oltage) .

VCO

Tuning

.

Turning

V

oltage)

Turning

CO

Tuning

.

..

.

..

.

..

>

) .

..

).

..

.

..

.

..

.

..

.

V

oltage)

.

V

oltage)

.

V

oltage)

Output

V

oltage)

V

oltage)

.

..

.

..

.

..

.

) .........

).......... 10-36

.

V

oltage)

.

..

.

..

.

..

.

.......

.........

). . . . . . . .

) ........ 10-33

) ..... 10-36

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.....

....

..

.

..

.

..

.

. 10-25

.

..

. 10-26

.

10-21

10-22

10-23

10-24

10-25

10-26

10-27

10-28

10-29

10-30

10-31

10-32

Contents-7

N

NN

N

IF

GAIN

N

NN

IF

N

IF

N

S/H

N

A/D

SYNTHESIZER

N

1st

N

FN

N

STEP

N

FREQUENCY

SOURCE

N

SOURCE

N

ALC

N

OUTPUT

N

LVL

N

LVL

N

NN

GAIN

N

GAIN

BOOTLO

N

SYSTEM

N

SYSTEM

N

PREVIEW

N

REBOOT

NN

RANGE

N

NN

N

LPF

{AUTO|BW5K|BW15K|BW50K|BW150K|THR}

N

NN

N

BW

N

NN

N

MUX [

N

NN

LO

N

NN

N

OSC

N

NN

N

OSC

N

NN

N

CONTROL

N

NN

N

NN

N

LOOP

N

NN

N

{AUTO|DB0|DB10|DB20|DB30|DB40|DB50|DB60}

N

DAC

N

NN

N

DAC VALUE

NN

N

DAC

N

DAC

ADER

N

NN

N

NN

N

NN

N

[

NN

N

[

N

NN

[

]

N

NN

[]

N

NN

N

OSC

N

[

]

N

[

N

NN

N

AUTO

N

open

N

ATT

N

AUTO

N

NN

AUTO

N

NN

N

VALUE

N

UPDATE

N

BACKUP

N

NN

DISK

N

.

N

]

.

..

.

..

.

..

.

..

.

..

.

N

NN

]

.

..

N

(

:DIAG:SERV:IF:LPF:MODE

N

(

:DIAG:SERV:IF:SHBW:MODE

NN

N

]

(

:DIAG:SERV:IF:ADMX:MODE {AUTO|ALT|DEG0|DEG90}

CONTROL

N

NN

[

]

(

N

NN

OFFSET

N

NN

N

:DIAG:SYNT:FLOC:MODE

(

:DIAG:SERV:STNT:FN:MODE

NN

]

.

..

NN

N

(

MENU

N

NN

N

man

(

N

NN

N

NN

[

N

NN

N

MENU

N

NN

N

.

:DIAG:SERV:SOUR:MODE

NN

N

CLOSE

NN

N

]

(

:DIAG:SERV:SOUR:ATT

N

man

NN

N

(

N

(

:DIAG:SERV:SOUR:LEV:DAC:VAL

N

NN

man

N

(

:DIAG:SERV:SYNT:STEP:DAC:VAL

N

NN

N

.

N

.

N

.

..

MENU

..

:DIAG:SERV:SYNT:FREQ:OFFS

.

N

(

:DIAG:SERV:SOUR:ALCL:

:DIAG:SERV:SOUR:LEV:DAC:MODE

(

:DIAG:SERV:SOUR:GAIN:DAC:MODE

.

..

.

..

.

..

.

).

..

.

{AUTO|NARR|MIDD|WIDE}

.

..

.

{AUTO|SING|TRIP}

{AUTO|NARR|WIDE}

.

<

numeric

..

.

{AUTO|MAN}

.

..

.

..

)

.

{OPEN|CLOSE}

)

.

{AUTO|MAN}

<

numeric

<

.

>

{AUTO|MAN}

numeric

.

)

>

.

)

..

.

)

.

)

>

.

..

.

..

.

..

).

.

)

.

)

..

) .

.

..

.

..

.

).

.

)

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

. 10-38

.

. 10-41

.

..

.

. 10-43

.

..

.

10-36

10-37

10-38

10-39

10-40

10-41

10-42

10-43

10-44

10-45

10-46

11.

Theory

ANAL

POWER

DIGITAL CONTROL OPERATION . ...... ..... ...... ..... 11-10

of

Operation

YZER OPERA

Spectrum

Network

T

est Sets

Line

A40

A50 DC-DC

Switching Regulator 1

Switching Regulator 2

Regulated +5V Digital Supply (+5 VD)

A50 Shutdown LED

A2 P

Shutdown Circuit

Seven Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8

A7 Input and A8 Output Attenuator Drive Circuit . . . . . . . . . . . . . 11-9

A1CPU........ ...... ...... ..... ...... ... 11-12

A30 Front-Panel Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . 11-12

A31 I/O Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-12

A32 I-BASIC Interface .... ...... ...... ...... ..... 11-12

Analyzer Operation

YZER FUNCTIONAL

SUPPLY

P

ower

Preregulator ........................

ost-Regulator .. ...... ....

TION .

..

OPERATION

Module .

Converter ........................

..

.

..

.

..

.

..

.

..

GROUPS .

..

.

.........................

.

..... ..... ...... ...... ...

...........

...... ...... ..

..

.

..

.

..

.

..

.

..

.

..

.

..

.

...... .

...... ...... ....

...... ...... .....

...........

..............

.

..

.

..

.

..

.

.....

..

.

..

.

...

. 11-1

.

. 11-2

.

..

.

. 11-7

11-2

11-3

11-4

11-5

11-7

11-8

Contents-8

A51

GSP .

A54

Inverter .

A52

LCD (Liquid

A53

FDD .

SOURCE

A5

Synthesizer .

REF

OSC

Leveler

FRA

C

STEP

Multiplier

A4A1

A3A1

A3A2

A3A3

A7

RECEIVER

A8

A9 Input

A4A2

A6

1st

Local

Single-Loop

Triple-Loop

Digital

ALC

Divider

Source

ALC

2nd

Local

Source

Output

Input

Receiver RF

Receiver IF

IF

BPFs and

3rd

Converter and

Sample/Hold,

Gains

..

.

THEORY .

.

N

OSC

.

(X

13)

LO

.

OSC

Circuit

Operation

Control

.

OSC

.

LO

.

OSC

First

Mixer

.

Attenuator

THEORY

Attenuator

Multiplexer

LPFs .

A/D Converter

W

,

X,

Y

,

..

.

Crystal

.

Signals

.

Circuit

.

..

.

3rd LO

and

Z

.

Display)

.

at

for

.

..

.

and

.

Frequency

the

A4A2

.

..

.

..

.

..

.

..

.

..

.

..

.

,and

Ranges

.

..

.

..

.

..

.

..

.

..

.

..

Spans

Receiver

..

.

..

.

..

.

Sequencer

F

and

.

..

.

..

.

R

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

>



RF

..

.

..

.

45

..

.

..

.

..

MHz

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

11-13

.

11-13

. 11-13

.

11-13

.

11-14

.

11-16

.

11-16

.

11-16

.

11-16

.

11-17

.

11-18

.

11-18

.

11-18

11-19

.

11-19

.

11-19

.

11-19

.

11-19

.

11-20

.

11-20

.

11-20

. 11-21

.

11-21

.

11-23

.

11-25

.

11-25

.

11-25

.

11-26

.

11-26

. 11-27

.

11-27

.

11-27

12.

Replaceable

Introduction

Ordering

Direct

Exchange

Replaceable P

13. Post Repair Procedures

INTRODUCTION . . . . . . . . . . . . . . . . . . . . .

POST REP

P

arts

.

Information

Mail

Order

Assemblies

arts List

AIR PROCEDURES . . . . . . . . . . . . . . . . . .

.

System

.

......

.

..

.

..

.

.... ...... ...... ......

..

.

..

.

..

.

..

.

..

.

..

.

..

.

...... ....

...... .

.

12-1

.

12-1

.

12-1

.

12-2

13-1

Contents-9

A.

Manual Changes

Introduction

Manual

Serial

Number .

B

. A20

C.

Motherboard

P

ower

..

.

Changes .

.

Requirement

.

Assignment

.

..

.

A

-1

.

..

.

A

-1

.

..

.

A

-2

Replacing Fuse

Fuse

Selection

P

ower Requirements

P

ower Cable

.

Messages

Error

Messages

in

Index

..

.

Alphabetical

Numerical

.

Order

.

Order

.

..

.

C-1

.

..

.

C-1

.

..

.

C-2

.

..

.

C-2

.

..

.

Messages-1

.

..

.

Messages-9

Contents-10

Figures

2-1. Updating

2-2. 40

2-3. 40

2-4. 520

2-5. 520

2-6.

2-7.

2-8.

2-9.

2-10. Comb

2-11.

2-12. Second

2-13. Plug

2-14. DC

2-15. DC

2-16. DC

2-17.

2-18.

2-19.

2-20.

2-21.

2-22.

2-23.

2-24.

2-25.

2-26.

2-27.

2-28.

2-29.

2-30.

2-31. Network

2-32. Crystal Filter Correction Constants Setup

2-33. IF Gain Errors Correction Constants

2-34. IF Gain Errors Correction Constants Setup

2-35. Network Analyzer Magnitude Ratio/Phase Correction Constants Setup

2-36. Network Analyzer Magnitude Ratio/Phase Correction Constants Setup

2-37. 10 MHz Reference Oscillator Frequency A

2-38. 10 MHz Reference Oscillator Frequency A

3-1. Troubleshooting Organization . . . . . . . . . . . . . . . . .

3-2. ALL EXT 1 Test Setup ........................... 3-5

3-3. Displayed Result of ALL EXT Test .. ...... ...... ..... .. 3-6

3-4. ALL EXT 2 Test Setup ........................... 3-6

3-5. ALL EXT 3 Test Setup ........................... 3-7

3-6. ALL EXT 4 Test Setup ........................... 3-7

3-7. ALL EXT 5 Test Setup ........................... 3-8

4-1. Recommended Adjustments and Correction Constants.. ...... ..... 4-3

MHz

CAL

Comb

Second

Hold

Plug



/90Tracking

0



/90Tracking

0

Plug

Band

Final

Second

RF

OUT

Spectrum Analyzer

Correction

Reference

MHz Level

OUT

Level

OUT

Level

Generator

Local

PLL

Local

PLL

Locations .

Oset

and

A

djustment

Step

A

djustment

Locations

P

ass

Filters

P

ass

Filters

Gain

A

djustment

Gain

A

djustment

Local

Leakage A

Local

Leakage A

Level Correction

Analyzer

Constants

Oscillator

A

djustment

A

djustment

A

djustment

A

djustment

A

djustment

A

djustment

Output

A

djustment

A

djustment

.

Hold

Step

Hold

Step

.

A

djustment

A

djustment

.

A

djustments

A

djustment

Absolute Magnitude

Absolute

Location

Setup

.

A

djustment

A

djustment

W

aveform

W

aveform

.

Setup

Location

djustment Location

djustment Setup

Constants Setup

Setup

Frequency

.

Setup

Location

Setup

Location

.

Setup

Locations

.

Locations

.

Magnitude

.

Location

Setup

.

..

Setup

.

..

.

Setup1.......... ...... .

.

A

djustment

A

djustment

.

Setup

Locations

.

..

.

..

.

..

.

..

Correction Constants

Correction

...............

2.................

djustment Location

djustment Setup

.

..

.

..

.

..

.

..

Constants

Setup

Location

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

Setup .

Setup

...... ...

..........

.......

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

1. . . .

2. . . .

..

.

..

.

..

.

..

. 2-19

.

. 2-19

.

..

.

. 2-35

...

2-10

2-11

2-12

2-13

2-14

2-16

2-17

2-18

2-20

2-21

2-22

2-23

2-24

2-25

2-26

2-27

2-29

2-30

2-31

2-32

2-33

2-34

2-36

2-37

2-38

2-39

2-40

2-41

2-42

2-5

2-6

2-7

2-8

2-9

3-2

Contents-11

5-1.

Power

5-2.

A50 SHUTDOWN

5-3.

A1 +5

5-4.

A2 Eight

5-5.

Displayed T

5-6.

Removing Line

5-7.

A40J1

5-8.

A1

5-9.

F

5-10.

A50

5-11.

A2

5-12.

P

5-13.

P

5-14.

P

6-1.

Digital

6-2.

A1

6-3.

Firmware

6-4.

Bootloader

6-5.

A1

6-6.

Bootloader

7-1.

Source

7-2.

External

7-3.

A5

7-4.

CAL

7-5.

Typical

7-6.

INT

7-7.

Typical

7-8. Typical

7-9.

FRAC

7-10.

FRAC

7-11.

STEP OSC

7-12.

Typical STEP

7-13.

Typical 520

7-14.

520

7-15.

EXT

7-16.

1st

7-17.

Typical

7-18.

Typical

7-19.

1st

7-20.

ALC

7-21. Typical 21.42 MHz Signal . . . . .

7-22. 2nd LO OSC T

7-23. Typical 2nd Local Oscillator Signal

7-24. Source IF T

7-25. Typical Source IF

7-26. A3A3 RF Signal T

7-27. A7 Output Attenuator Control Signals . . . . . . . . . . . . . . . . . .

8-1. Receiver Group

8-2. A8 Input Attenuator Control Signals .. ...... ...... ...... 8-5

8-3. A9J13 Location and Pin Assignments . . . . . . . . . . . . . . . . . . . . 8-7

9-1. Probe Power Connector Voltages ...................... 9-5

10-1. Service Key Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1

10-2. Service Menu .... ...... ...... ...... ...... ... 10-3

10-3. Tests Menu ................................ 10-4

10-4. Test Status on the Display ......................... 10-5

Supply Lines

VD

LED

est

Output

CPU

Connector

an

Troubleshooting

DC-DC

Output

ower

EEPROM

Eight

Connector

OUT

REF

MHz

REF

LO

Outputs

Converter

V

Supply

Control

Revision

Menu

LEDs'

Display

Group

T

est

T

est

CAL

T

est

INT

FRA

C

N

OSC

N

OSC

Test

MHz Signal

Signal

T

est

OSC

Signal

1st

LO

1st

LO

OSC

Typical

estSetup...... .

Simplied Block

LED

Location

Locations

Result

Fuse

V

oltage

REF

Measurement

Block

Group

Location

Label

Display

P

attern

Block

20

Setup

Locations

Setup .

OUT

Signal

Setup

Signal

N

OSC

Signal

Typical

Setup

OSC Signal

T

est

Setup

T

OSC

T

est

Setup

est Setup . . . .

estSetup. ...... ...... ...

, Simplied Block Diagram . . . . . . . . . . . . . . . . . .

.

Locations

Setup

Troubleshooting

Diagram

Simplied

.

Diagram

.

..

.

..

.

Signal

Level

Signal

.

Setup

.

est

Setup

Signal

...... ...... ......

.

..

.

..

.

..

in

T

est

.

at

Center

.

(Single

(Triple

(Single

.

..

.

1

2

3

.

..

.

Frequency

.

Diagram

.

Setup

.

Block

.

..

.

Setup

.

Mode)

.

.......................

.

Diagram

.

..

.

..

.

0

Hz

.

at

at A4J4

.

...... ...... ..... ....

......

.....................

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

Bus

Measurement

.

A4A1J3

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..... ...... ....

...... .....

.........

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

. 7-9

..

.

..

.

. 7-20

. 7-21

.

..

5-2

5-4

5-5

5-6

5-8

5-10

5-11

5-13

5-14

5-17

5-19

5-20

5-21

6-2

6-3

6-4

6-5

6-6

6-10

7-2

7-6

7-8

7-10

7-11

7-12

7-13

7-14

7-16

7-17

7-18

7-19

7-22

7-23

7-24

7-26

7-27

7-28

7-29

7-30

7-32

8-2

Contents-12

10-5.

Sample Program

10-6.

External T

10-7.

External T

10-8.

External T

10-9.

External T

10-10.

10-11.

10-12.

10-13.

10-14.

10-15.

10-16.

10-17.

10-18.

10-19.

10-20.

10-21.

10-22.

10-23.

12-10.

12-11.

12-12.

12-13. Rear Assembly P

12-14. Rear Assembly P

12-15. Rear Assembly P

12-16. Rear Assembly P

12-17. Rear Assembly P

12-18. Rear Assembly P

12-19. Rear Assembly P

12-20. Main Frame Assembly P

12-21. Main Frame Assembly Parts 2/19 (A3 Assemblies) .... ...... .... 12-25

12-22. Main Frame Assembly Parts 3/19 .... ...... ..... ...... . 12-26

12-23. Main Frame Assembly Parts 4/19 (A9 Input Multiplexer Assembly) ...... 12-27

12-24. Main Frame Assembly Parts 5/19 (ATT & Angle Assemblies) .... ..... 12-28

12-25. Main Frame Assembly Parts 6/19 (A53 FDD Assembly) . . . . . . . . . . . . 12-29

12-26. Main Frame Assembly Parts 7/19 (A20 Motherboard Assembly) ........ 12-30

12-27. Main Frame Assembly Parts 8/19 (A4 First LO/Receiver RF Assembly) . . . . . 12-31

External T

External

Service

Bus

F

an

DET

1st

LO

FN

VTUNE

FN

INTEG

Correction

IF

Control

Synthesizer

Source

Bootloader

11-1.

Simplied

11-2.

85046A/B

11-3.

P

ower

11-4.

A2

Eight

11-5.

Digital

11-6.

Source

11-7.

Receiver

11-8.

4396B

11-9. 4396B

12-1.

Top

12-2.

Bottom View

12-3.

Angle Assembly

12-4.

Angle Assembly

12-5.

Angle Assembly

12-6.

A

TT

12-7.

A

TT

12-8.

Front

12-9.

Front

est

T

est

Modes

Measurement

P

ower

OUT

,

VTUNE

Control

Analyzer

S-P

Supply

Status

Control

Simplied

Source

Receiver

View

(Major

Assembly

Using

:DIAG:TEST:RES?

Setup

Typical

L

VL

Typical

OUT

Constants

Menu

Control

Menu

arameter

(Major

1

.

2

.

3

.

4

.

5

.

6

.

Menu

CONT

Typical

Menu

Functional

Group

P

.

Menu

Trace

Typical

.

LED

Block

Group

Assemblies)

Parts

arts

P

arts

P

arts

P

arts

P

arts

P

arts

arts 1/7

arts 2/7

arts 3/7

arts 4/7

arts 5/7 ...... ...... ....

arts 6/7 ...... ...... .....

arts 7/7

.

,

and

D

A

C

OUT

Trace

Menu

.

Menu

.

Block

T

..

,

Simplied Block

Block

Assemblies)

1/3

2/3

3/3

1/2

2/2

1/5

2/5

3/5

4/5

5/5

arts 1/19 (A3 Assemblies)

.

Trace

.

est

Group

..

Diagram

.

..

.

..

.

Diagram

Set

.

Diagram

.

..

....

.....

......

...... .

...... ...... ......

.

Simplied

,

Simplied

.

..

.

..

.

...... ...... ...... ....

.....................

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

Typical

Traces

.

..

.

..

.

..

.

..

.

..

.

..

.

Block

.

Diagram .

..

.

..

.

..

.

..

.

..

.

...... ...... ...... ..

...................

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

Diagram

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

...... ....

.........

...... ..

...... ...... ..

..

.

..

.

..

.

. 10-6

.

10-10

.

10-10

.

10-11

.

10-11

.

10-12

.

10-18

.

10-19

.

10-21

.

10-25

.

10-26

.

10-27

.

10-28

.

10-29

.

10-32

.

10-35

.

10-40

.

10-43

.

10-45

.

11-1

.

11-3

.

11-6

. 11-9

.

11-11

.

11-15

.

11-24

.

11-29

. 11-30

.

12-4

. 12-6

.

12-7

.

12-8

.

12-9

.

12-10

.

12-11

.

12-12

.

12-13

.

12-14

.

12-15

.

12-16

12-17

12-18

12-19

12-20

12-21

12-22

12-23

12-24

Contents-13

12-28.

12-29.

12-30.

12-31.

12-32.

12-33.

12-34.

12-35.

12-36.

12-37.

12-38.

12-39.

A

-1.

B-1.

B-2.

C-1.

Main Frame

Main

Frame

Main

Frame

Main

Frame

Main

Frame

Main

Frame

A9

N

Type

Serial

Number

Connector

Assignment

P

ower

Cable

Assembly P

Assembly

Connector

Plate

Locations

On

Supplied

arts 9/19

P

arts

P

arts

P

arts

P

arts

P

arts

P

arts

P

arts

P

arts

P

arts

P

arts

Replacement

.

On

the

A20

.

(RF

Cable

10/19

(A1

CPU

11/19

(A40

12/19

(A50

13/19

(A51

14/19

(Front

15/19

(A2

P

16/19

(A5

and

17/19

18/19

19/19

.

A20

.

(RF

Cable

(Option

.

..

Motherboard

.

..

Assemblies)

Assembly)

Pre-regulator

DC-DC

GSP

ost

.

Assembly)

Bezel

Regulator

A6

Assemblies)

.

Converter

Assembly)

.

Assemblies)

1D5)

.

..

.

..

.

..

Circuit

..

Side

..

.

Assembly)

.

Assembly)

.

..

.

..

.

Side

.

..

.

..

Assembly)

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

. 12-32

12-33

. 12-34

.

12-35

12-36

12-37

. 12-38

. 12-39

.

12-40

. 12-41

.

12-42

.

12-43

.

A

-2

. B-2

.

B-3

.

C-3

Contents-14

T

ables

1-1. Recommended

2-1.

Required

4-1.

Functional

5-1. A50

5-2. P

6-1. Troubleshooting

7-1. STEP

7-2.

7-3.

8-1.

8-2.

8-3. A9J13

8-4.

10-1.

10-2.

11-1.

11-2.

11-3.

11-4.

11-5.

12-1.

12-2.

12-3.

12-4.

12-5.

12-6.

12-7.

12-8.

12-9.

12-10.

12-11.

12-12. Front Assembly P

12-13. Front Assembly P

12-14. Front Assembly P

12-15. Rear Assembly P

12-16. Rear Assembly P

12-17.

12-18. Rear

12-19. Rear

12-20. Rear Assembly Parts 6/7 .. ...... ...... ...... ...... 12-22

12-21. Rear Assembly Parts 7/7 .. ...... ...... ...... ...... 12-23

12-22. Main Frame Assembly Parts 1/19 (A3 Assemblies) .... ...... .... 12-24

12-23. Main Frame Assembly Parts 2/19 (A3 Assemblies) .... ...... .... 12-25

12-24. Main Frame Assembly Parts 3/19 .... ...... ..... ...... . 12-26

12-25. Main Frame Assembly Parts 4/19 (A9 Input Multiplexer Assembly) ...... 12-27

12-26. Main Frame Assembly Parts 5/19 (ATT & Angle Assemblies) .... ..... 12-28

P

ower

Supplies

OSC

A3A3

A7

Suspicious

A8

A9

T

Typical

STEP

RF

Stop

Measurement

Gains

Manufacturers

List

T

Bottom

Angle

A

ATT

Front Assembly

Rear Assembly P

Source

Attenuation

Control

Pin Description

Control

est

Status

STEP

OSC

OUT

P

ower

and

of

Abbreviations

op

View

Assembly

TT

Assembly

Assembly P

Test

Binaries

Group

Supplies

on

Information

Frequency

T

est

T

est

Assembly

Signal

T

erms

VTUNE

Frequency

ower

,

A3A3

,

A7

Attenuation,

Setting,

Ranges

Code

(Major

Assemblies)

(Major

P

arts

arts 2/2

Parts

arts 1/7

arts 2/7

arts 3/7

arts 4/7

arts 5/7

Equipment

.

to

Suspect

.

A2

P

ost-Regulator

.

Settings

When

T

est

Settings

..

T

est

Settings

.

V

alues

.

Output,

Used

Settings

List

.

Assemblies)

arts

1/3 .

arts

2/3 .

arts

3/3

1/2

1/5 .

2/5 .

arts 3/5 . . . . . . .

arts 4/5 . . . . . . . .

arts5/5..................

.

..

When

.

for

.

an

.

Filter

.

..

.

..

...... ...... ......

...... ...... ...... .

...... ...... ...... ..

...... ...... ...... ...

.

ALL

.

and

.

..

.

Internal

.

,

.

..

a

P

erformance

.

Diagnostic

.

EXT

T

est

.

A7

Attenuator

Allowable

and

Sampling

.

..

.

...... ...... ..... ..

T

est

F

ails

.

..

.

..

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est

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ailure

.

..

.

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ails

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Start

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Mode

.

..

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ower Sweep)

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.

..

........

...... ..

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. 1-3

.

. 4-4

.

..

.

..

.

. 12-7

.

. 12-8

.

. 12-10

.

..

2-4

5-15

5-18

6-9

7-15

7-31

7-33

8-4

8-6

8-8

10-6

10-27

11-17

11-22

11-26

11-28

12-2

12-3

12-5

12-6

12-9

12-11

12-12

12-13

12-14

12-15

12-16

12-17

12-18

12-19

12-20

12-21

Contents-15

12-27.

12-28.

12-29.

12-30.

12-31.

12-32.

12-33.

12-34.

12-35.

12-36.

12-37.

12-38.

12-39.

12-40.

13-1.

A

-1.

A

-2.

B-1.

C-1.

Main Frame

Main

Frame

Main

Frame

Main

Frame

Main

Frame

Main

Frame

Main

Frame

Main

Frame

A9

N

Type

P

ost

Repair

Manual

Signal

Fuse

Changes

Name

Selection

Assembly P

Assembly

Connector

Procedures

by

Serial

by

Firmware

.

arts 6/19

P

arts

7/19

P

arts

8/19

P

arts

9/19

P

arts

10/19

P

arts

11/19

P

arts

12/19

P

arts

13/19

P

arts

14/19

P

arts

15/19

P

arts

16/19

P

arts

18/19

P

arts

19/19

Replacement

.

Number

V

ersion

.

..

.

(A53

(A20

(A4

(RF

(A1

(A40

(A50

(A51

(Front

(A2

(A5

(RF

(Option

.

..

.

FDD

Assembly)

Motherboard

First

LO/RReceiver

Cable

Assemblies)

CPU

Assembly)

Pre-regulator

DC-DC

GSP

P

ost

and

Cable

.

..

.

Converter

Assembly)

Bezel

Assembly)

Regulator

A6

Assemblies)

1D5)

.

..

.

..

.

..

.

..

.

Assembly)

.

..

.

RF

Assembly)

.

Assembly)

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

. 12-32

..

.

. 12-34

..

. 12-38

. 12-39

.

12-29

12-30

12-31

12-33

12-35

12-36

12-37

12-41

12-42

12-43

13-1

A

-1

A

-1

B-4

C-1

Contents-16

1

General

Information

INTRODUCTION

This

Service

There

04396-90120)

performance

provided

and

repairing the

ORGANIZA

This

manual

section

A

djustments

repair

stored

adjustment

Note

Manual

are

two

in this

consists

describes

or

replacement

into

is a

manuals required

and this

manual. The

testing the

manual. This

analyzer.

TION

of

the

names

and

Correction

the

EEPROM

program

The

analyzer.

manual contains

OF

SERVICE

major

chapters

of

an

assembly

on

the

(PN

04396-18030).

seven,

servicing the

to service

Performance

The other

listed

the

tabs

Constants

.

A1

CPU

gray-tabbed

4396B

the analyzer

information

MANUAL

below

and

the

content

provides

Some

of

.

The correction

chapters

Network/Spectrum/Impedance

,

P

T

est

Manual

.

The

procedures

the

adjustments

are

erformance

provides

required

about

chapters

of

each

constants

the

core

T

est

information

to

servicing

adjusting,

are

divided

chapter

for

.

adjusting

updates

is

updated

troubleshooting

Analyzer

Manual

(PN

about

the

analyzer

troubleshooting,

by

tabs.

This

the

analyzer

correction

by

constants

using

chapters

.

is

after

the

.

Troubleshooting.

analyzer

chapter

analyzer

The

Isolate F

analyzer

fault to

,

and

is

the

independent

Operator's

aulty Group Troubleshooting

functional groups: Source

one of the two functional groups in the analyzer

thus

rst

Check

The

troubleshooting

narrow

of

a

series

of

down

system

is located

strategy

the

cause

of

troubleshooting

peripherals

in this

chapter.

is used after a problem has been shown to be in two

, and Receiver

is

to

of

,

a

and

systematically

problem

procedures

suggests

to

the

.

how

verify

portions

defective assembly

It

checks

to

the operation

remedy

system

. This section suggests how to isolate the

.

of

the

. This

of the

problems

Power Supply Troubleshooting

Digital Control Troubleshooting

Source Troubleshooting

Receiver Troubleshooting

Accessories Troubleshooting

Each of the ve functional group chapters above veries its constituent assemblies until

the faulty assembly is identied.

and calibration kit devices.

Accessories Troubleshooting

veries external RF cables

is the last of the gray-tabbed

troubleshooting chapters.

General Information 1-1

.

Note

The

following

chapters

are

,

for

the

most part,

reference material.

Service

N

SERVICE

the

Theory

functional

R

eplaceable

NN

N

analyzer

K

ey

N

MENU

of

Operation

N

NN

groups

miscellaneous

P

ost-R

epair

adjustments

assembly

.

Appendices

compatible

assignment

Messages

with

list,

contains

Menus

NN

N

documents

. These

.

GPIB

service

,

and

P

arts

provides

chassis

Procedures

and

verication

contains

earlier

and

the power

the

menus let

mnemonics

explains

the

parts

the

operation

part

,

together

contains

numbers

the

procedures

the

manual

shipment

requirement.

service related

functions of

the operator

are

included.

overall

of

operation

each

functional

and

with

ordering

table

of

related service

to

be

changes

information

congurations

error message

the menus

test, verify

of

the

group

illustrations

information.

performed

(required

of

the

analyzer),

list.

accessed from

,

adjust,

analyzer

control,

,

.

of

the

replaceable

procedures.

after

repair or

to

make

the

4

System

and

the

division into

assemblies and

It is

a table

replacement of

this

manual

motherboard

5

,

troubleshoot

of

each

1-2 General Information

TABLE

The

rst

the

analyzer

OF SERVICE

part

specications

recommended

specications

In

addition

T

orx

P

ozidriv

P

ozidriv

IC

extractor

to

screwdriver

Open-end

Hex

socket,

Flat

edge

screwdriver

of

Table

and

perform

of

each

models

.

test

equipment

wrench,

7/32 inch

1-1 lists

item,

may

,

T15

,

1/4 inch

5/16 inch

the

operator's

and

be

substituted

listed

pt

size

pt

size

(5.5 mm)

T

able

TEST EQUIPMENT

all of

the equipment

check. The

the

recommended models

if

the equipment

in T

able 1-1

required to

,the

table also

following

#1 (small)

#2 (medium)

1-1.

Recommended

T

est

verify,

notes the

. Equipment

meets or

tools

Equipment

adjust, and

use and

other than

exceeds the

are

also

required:

troubleshoot

critical

the

critical

Equipment Critical

Computer HP 9000

B

ASIC

Mass

Operating

Storage

System

Revision

3.5

inch

Program 4396B

Frequency

Counter

Frequency

Error:

Frequency

Spectrum

Network

P

ower Meter

P

ower

Sensor

P

ower Sensor

Standard

Analyzer

4

Frequency:

6

1

2

10

Frequency

No

substitute

Frequency

+5

dBm

Frequency

0

60 dBm to

Series 200/300

5.0

or

Microoppy

A

djustments

Range:



6

1.9

10

0

10

/year

Range:

to

0

Range: 50

0

above

2

10

MHz,

20

dBm

20 dBm

0

Specications

2

Disk

Drive

Program

20

7

/year

Time

100

300

20

MHz to

Base

kHz

MHz

(3.5

1

to

1.8

to

1.8

inch)

GHz,

Error:

4

GHz

1.8 GHz

GHz, P

GHz,

Time



P

Function Genarator Frequency Range: 10 Hz to 10 kHz, Level

Accuracy:60.2 dB

Function Genarator Frequency Range: 20

6

0.15 dB

, Return loss:

MHz, Level A

>

20 dB

ccuracy:

Base

ower:

Recommended

Agilent

P

art

Model/

Number

Qty Use

1 A

PN

04396-18030

5343A

Opt.

001

3

1 A

1 P

5061B 1 P

8566A/B 1 P

8753A/B/C 1 P

436A

Opt. 022

, 437B

,or

1 P

438A

8482A 1 P

8481D 1 P

3325A 1 P

3335A 1 A

,

A

,

A,

,A

,

A

,A

1

T

1

P: Performance T

2

Excluding HP 9826A

3

Option 001 (optional time base) is not required, when a frequency standard in Table 1-1 is available.

4

Required for testing an analyzer equipped with Option 1D5 (High Stability Frequency Reference).

ests,A:A

djustments and Correction Constants

, T: Troubleshooting

General Information 1-3

T

able 1-1.

Recommended T

est Equipment

(continued)

Equipment Critical

Signal Generator Frequency Range:

Phase

Noise

at

SSB

Phase

1

Noise

dBc/Hz, Harmonics:

Signal

Generator

Frequency

Range:

Specications

100 kHz

kHz

oset:

at 10

kHz oset:

<

0

30

100

kHz

to 2.14

<

0

dBc

to

1.82

110

<

GHz,

dBc/Hz,

0

GHz

119

SSB

Recommended

Agilent P

8663A or

8663A

or

8642B

art

Model/

Number

Qty Use

1 P,

1 P

Oscilloscope 54600B 1 A

Oscilloscope

Step

Step Attenuator

Probe

Attenuator

1

Attenuator/Switch

Impedance:

Attenuation

VSWR:

1

M

Range:



1.02

Attenuation Range:

VSWR:



1.02

No

substitute

0

dB

0dB

to

70

dB,

Step: 10

to

10

dB

,

Step:

10431A 1 A

dB,

1

dB

,

8496A/G

H60

8494A/G Option

H60

11713A

Option

001

2

3

and

001 and

4

1 P

Driver

50

Type-N

Calibration

No

substitute

85032B 1 P

Kit

T/R

T

est

Sets

Frequency

Directivity:

50

MHz

T

ermination

6

dB

Fixed

6

dB

Fixed

Two-W

ay

Low

P

ass

Attenuation

P

ower

Filter

Splitter

Rejection

50

T

50

,

50

,

Frequency

Tracking:

Cables Type-N

RF

cable

BNC

Range:



at

75

ermination

N(m)-N(f)

N(m)-N(f),

Range:



0.15

cable

,

kit

cable

,

61

cable

,

122

40

MHz:

VSWR

dB

50



cm,

cm, 50

dB

300

100

50





kHz

60



kHz



to

dB

1.015

to

1.8

GHz,

Output

85044A 1 P

PN

0955-0306

909C

85032B

8491A

Opt

5

Opt

012

006

or

part

of

&

Opt

H60

1 P

3 P

2 P

6

2 P

11667A 1 P

7

11500B

or

part

of

11851B

4 P

11851B 1 P

PN

8120-1839

PN

8120-1840

1 P

2 P

GPIB cable 10833A/B/C 3 A

1

A

,

A

,

A,

T

,

A,

T

,

A,

T

,

A

,

A,

T

,

A,

T

1

Calibration

P

erformance T

2

An 8496A/G step attenuator with required low VSWR (

3

An 8494A/G step attenuator with

4

Required when an 8494G or 8496G step attenuator is used in the tests

5

The 85032B includes a type-N(m) 50  termination.

6

An 8491A Opt. 006 xed attenuator with required low VSWR (

7

The 11851B includes three N(m)-N(m) cables of 61 cm and a N(m)-N(m) cable of

values

est Manual

at

50

MHz

are

required

in

the

tests

.

See the

Calibration

.



1.02) can be purchased by

required low VSWR (



1.02) can be purchased by specifying option H60.

.



1.015) can be purchased by specifying Opt. H60.

1-4 General Information

Data

R

equired

for

Step

specifying option H60.

88 cm.

Attenuators

in