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Agilent Part No. 04291-90111

Printed in JAPAN March 2001

Notice

The

information

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Second

:

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:

::

:

::

:

::

:

F

Third

ourth

Edition

(part

number:

04291-90111)

iii

Safety Summary

The

following

service

W

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and

intended

The

A

gilent

with

these

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safety

of

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elsewhere

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in

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be observed

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Note

Ground

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safety earth

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DO NOT

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4291B

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POLLUTION

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Operation

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Component

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

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Contents

1.

General

INTRODUCTION

ORGANIZATION

ANALYZERS

TABLE

2.

P

erformance

INTRODUCTION

GENERAL

W

Ambient Conditions

Calibration

P

Recommended

FREQUENCY

Description

Specication

T

Procedure

OSC

Description

Specication

T

Procedure

MEASUREMENT

Description

Specication

T

Procedure

DC

Description .

Specication...... .....

Test Equipment .. ...... ...... ...... ...... .... 2-17

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

PERFORMANCE TEST RECORD ....................... 2-20

Frequency Accuracy Test........ ...... ..... ...... . 2-20

Osc Level Accuracy Test .......................... 2-20

Information

.

..

.

OF

SERVICE

CO

VERED

OF

SERVICE

T

INFORMA

arm

Up

Time

Cycle

erformance

A

est

Equipment

.

LEVEL

est

est Equipment

Save

Analyzer

Open Measurement T

Short Measurement T

50  Measurement T

10 cm Airline with Open T

10

BIAS LEVEL A

Without Option 1D5 .......... ...... ..... ...... 2-20

WithOption1D5..... ...... ..... ...... ...... . 2-20

A

CCURA

Equipment

.

..

the Analyzer

Calibration

cm Airline with Short T

TEST

ests

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TION

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est

Record

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est

Equipment

CCURA

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CY

.

CY

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A

CCURA

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..

Setup .

CCURACY TEST (OPTION 001)

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

MANU

BY

MANU

EQUIPMENT

.

..

.

TEST

.

TEST

.

..

CY

TEST

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.

..

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est ..........

est ...................

est...................

est..................

AL

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..

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......

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.....

....

......

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..

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..

.

..

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..

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..

.

1-1

. 1-1

.

1-3

. 1-4

.

2-1

.

2-1

.

2-1

. 2-1

.

2-1

.

2-1

.

2-2

.

2-3

.

2-3

.

2-3

.

2-3

.

2-3

.

2-5

.

2-5

.

2-5

. 2-5

2-5

.

2-8

. 2-8

.

2-8

.

2-8

. 2-8

.

2-11

2-12

2-13

2-15

2-17

Contents-1

Norm-T

High-T

Measurement

Norm-T

High-T

DC

3.

A

djustments

INTRODUCTION

SAFETY

REQUIRED

W

ARM-UP

INSTRUMENT

ORDER

UPD

A

djustments

Keyboard

Controller

Updating

40

MHz

Required

Procedure

520

MHz

Required Equipment

Procedure

COMB

Required

Procedure

STEP

Required

Procedure

SECOND

Required

Procedure

SOURCE

Required

Procedure . . . . . . . . .

THIRD LOCAL V

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

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

SOURCE MIXER LOCAL LEAKA

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

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

OSC LEVEL CORRECTION CONST

Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20

HOLDSTEPADJUSTMENT..... ...... ...... ...... ... 3-21

Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21

BAND PASS FILTER ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . 3-22

Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22

emp High-Impedance

emp Low-Impedance

emp High-Impedance

emp Low-Impedance

Accuracy

emp High-Impedance

emp

Low-Impedance

emp

High-Impedance

emp

Low-Impedance

Bias

A

ccuracy

and

Correction

.

CONSIDERA

EQUIPMENT

FOR

ADJUSTMENTS

CO

VER

OF

ADJUSTMENTS

TING

Correction

Program

and

Mouse

Requirement

Correction

REFERENCE

Equipment

.

LEVEL

GENERATOR

PRETUNE

LOCAL

V

CXO

ADJUSTMENT

..

.

Equipment .

..

CORRECTION

Equipment

.

PLL

Equipment

.

ADJUSTMENT

Equipment

CXO ADJUSTMENT

Test

T

est

T

est

T

est

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T

est

T

est

T

est

.

Constants

.

TIONS

REMO

Constants

OSCILLA

.

ADJUSTMENT

.

LOCK

.

AND

V

AL

.

Operation

.

TOR

.

..

.

..

.

..

.

CONST

.

ADJUSTMENT

.

GE ADJUSTMENT . . . . . . . . . . . . . . .

.

USING

.

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

Head .

est

Head

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Head

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Head

.

CORRECTION

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..

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THE

.

..

FREQUENCY ADJUSTMENT

..

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..

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ANTS

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ANTS....................

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(Option

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(Option

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

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ADJUSTMENTS

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CONST

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

ANTS

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PROGRAM

.

..

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..

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...... .

...... ....

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..

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..

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..

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..

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..

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..

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..

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..

.

..

.

..

.

..

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..

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..

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2-20

2-21

. 2-22

.

2-23

2-31

2-39

. 2-47

.

2-55

.

3-1

.

3-1

.

3-2

.

3-2

.

3-2

.

3-3

.

3-3

.

3-3

.

3-4

.

3-5

.

3-6

.

3-6

.

3-8

.

3-8

.

3-8

.

3-10

.

3-10

.

3-13

.

3-13

.

3-13

. 3-14

.

3-14

.

3-14

.

3-16

.

3-16

3-17

3-18

3-20

Contents-2

Procedure

DC

BIAS LEVEL

Procedure

10

MHz REFERENCE

ONL

Y) .

Required

Procedure

4.

Overall

TROUBLESHOOTING

INSPECT

Check

VERIFY

Source

Receiver

Transducer

INSPECT

Check the

Check

Troubleshooting

THE

the

Error

Troubleshooting

A2

POST

FUNCTIONAL

T

est

T

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Equipment

Procedure

T

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Equipment

Procedure

T

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Equipment

Procedure

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the P

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CORRECTION

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OSCILLA

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Equipment .

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SUMMARY

POWER

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Front

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When

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ANTS

.

..

.

..

.

..

.

..

.

..

Self-test

.

..

.

..

(OPTION

..

ADJUSTMENT

..

.

..

.

..

F

ailed

..

.

..

.

..

.

..

.

..

001

..

.

..

.

..

.

..

ONL

..

.

..

.

..

.

..

.

..

.

..

Y)

..

(OPTION

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

1D5

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

. 4-9

. 4-10

..

.

. 4-10

.

3-22

3-24

3-25

4-2

4-4

4-5

4-6

4-7

4-9

4-10

4-12

5.

Power

INTRODUCTION

ST

FIND OUT WHY THE F

FIND OUT WHY THE A50 SHUTDOWN LED IS OFF

FIND OUT WHY THE A1 +5 VD LED IS NOT ON STEADILY .......... 5-11

Supply Troubleshooting

.

..

.

ART

HERE

1.

Check

2.

Check

3.

Check

A50

SHUTDOWN

4.

Check

Measure

5. Check the Eight A2 LEDs

6. Run Internal T

1. Check the Line V

2. Check the A50 SHUTDOWN LED . . . . . . . . . . . . . . . .

1. Disconnect the Cable from the A50J1

2. Disconnect the Cable from the A51J2

3. Disconnect the Cable from A22J1 (Option 001 Only) . . . . . . . . . . . . 5-9

4. Disconnect the Cable from the A1J10 ... ..... ...... .... 5-9

5. Remove Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10

1. Check the A40 Pre-regulator . . . . . . . . . . . . . . . . . . . . . . . 5-11

2. Check the A50 DC-DC Converter . . . . . . . . . . . . . . . . . . . . . 5-11

3. Disconnect Cables on the A1 CPU .................... 5-12

.

Error

the

.

..

.

Messages

F

an

is

A50

SHUTDOWN

A1

+5

A1

+5

est 4: A2 POST REGULA

.

..

Rotating

LED

VD

AN IS NOT ROT

oltage, Selector Switch Setting, and Fuse . . . . . . . . .

.

LED

V

oltage

.

LED

.

..

....

.

..

.

..

.

..

.

..

.

..

.

..

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

TOR .

ATING .

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

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

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

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

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

.

..

.

.....

.

..

.

5-1

.

5-3

.

5-3

.

5-3

.

5-3

.

5-4

.

5-5

.

5-5

5-6

5-8

5-9

. 5-9

5-9

Contents-3

4.

Remove Assemblies

TROUBLESHOOT

1.

Troubleshoot the

2.

Troubleshoot the

TROUBLESHOOT

1.

Check the

2.

Check

3.

Remove

4.

Measure

6.

Digital

INTRODUCTION

ST

ART

1.

Check

2.

Check

Identify

3.

Check

4.

Check

5.

Check

6.

Check

7.

Check

TROUBLESHOOT

1.

Run

2.

Check

the

Control

HERE

the

Error

the

THE F

AN

F

an

A50

THE A2

A40

Pre-Regulator

A50

DC-DC

Assemblies

the

A2

P

ost

Troubleshooting

.

P

ower

On

5

and

4

Ch

1

A1

Eight

LEDs

Messages

the

First

F

ailed

A1

DRAM

A1

V

olatile

A30

Front

A53

FDD

A32

I-B

ASIC Interface

THE

A51

Internal

A52

T

est 3:

LCD(Liquid

..

.

AND

THE

.

DC-DC

POST-REGULA

Converter

.

Regulator

.

Sequence

4

Ch

.

and

Memory

Keyboard

.

GSP

Converter

.

..

5

Operations

2

.

T

est

.

Flash

.

and

A51 GSP

Crystal

.

Output

.

..

.

Memory

.

A52 LCD

.

A50

DC-DC

.

TOR

.

V

.

..

.

..

.

..

.

..

and the

.

Display)

.

CONVERTER

.

..

.

..

oltages

..

.

..

.

..

.

..

mini

..

.

..

.

..

.

..

.

..

.

..

.

..

DIN

.

..

.

..

.

..

.

..

.

..

.

Keyboard

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

. 5-14

.

. 5-15

..

. 5-17

.

5-13

5-14

5-17

6-1

6-3

6-4

6-5

6-6

6-7

6-8

7. Source

INTRODUCTION

SOURCE

ST

CHECK A5 SYNTHESIZER OUTPUTS

CHECK A4A1 1ST LO OUTPUTS

CHECK AN A3A1 SOURCE VERNIER OUTPUT ................ 7-21

CHECK A3A2 2ND LO OUTPUTS . . . . . . . . . . . . . . . . . . . . . . . 7-23

CHECK A3A3 SOURCE OUTPUT .. ...... ..... ...... .... 7-27

Troubleshooting

..

.

..

.

GROUP TROUBLESHOOTING

Start

Here .

Check

ART

1. Check the INT REF Signal . . . . .

2. Check the FRA

3. Check the STEP OSC Signal

4. Check the 520 MHz Signal . . . . . . . . . . . . . . . .

5. Check the EXT REF Operation . . . . . . . . . . . . . . . . .

1. Check the 1st LO OSC Signal at A4A1J3

2. Check the 1st LO OSC Signal at A4A1J4 ................. 7-19

1. Check the 21.42 MHz Signal . . . . . . . . . . . . . . . . . . . . . . . 7-21

1. Check the 2nd Local Oscillator Signal .................. 7-23

2. Check the 2.05858 GHz Signal . . . . . . . . . . . . . . . . . . . . . . 7-24

A5 Synthesizer

A4A1

an

A3A2

A3A3

A7

A22

A60

HERE

..

1st

A3A1

2nd

Source

Output

DC

High

.

Outputs .

LO

Outputs

Source

Bias

Stability

.

V

LO

Outputs

Output

Attenuator

1/2

Output

.

..

C N OSC Signal . . . .

.

ernier

.

Control

Frequency

.

SUMMARY

.

Output

.

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

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

.

Signals

.

..

Reference

.

......

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

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

.

..

.

..

.

..

.

..

.

..

.

..

.

(Option

.

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

1D5)

..

.

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

...... .

........

.

..

.

..

.

..

.

..

.....

....

.

7-1

.

7-3

.

7-3

. 7-3

.

7-3

.

7-3

.

7-3

.

7-3

7-4

.

7-4

. 7-4

.

7-5

7-6

7-8

7-10

7-13

7-15

7-17

. 7-17

Contents-4

1.

CHECK

1.

CHECK

1.

CHECK

8.

Receiver

INTRODUCTION

RECEIVER

ST

ART

T

est

Procedure

9.

Transducer

INTRODUCTION

TRANSDUCER

ST

ART

T

est

Procedure

10.

Service

INTRODUCTION

SERVICE

N

NN

TESTS

N

SERVICE

N

READ

N

FIRMWARE

TESTS

N

NN

EXECUTE

N

NN

N

INTERNAL

N

EXTERNAL

N

ADJUSTMENT

N

NN

DISPLAY TESTS

Test Status

Diagnostic T

Test Descriptions . . . . . . . . . . . . . . . . . . . . .

Check the

A7 OUTPUT

Check A7

A22 DC

Check A22

THE A60

HERE

Equipment

FRONT

HERE

Equipment

CABLE

High

K

N

ID

N

NN

N

MENU

NN

N

NN

N

NN

N

NNNNNNNNNNNNNNNNNNN

INTERNAL TESTS

0: ALL INT

1: A1 CPU

2: A1 V

3: A51 GSP

4: A2 POST REGULATOR ........................ 10-9

5: A6 A/D CONVERTER .......... ...... ...... ... 10-9

6: A5 REFERENCE OSC ......................... 10-9

7: A5 FRACTIONAL N OSC . . . . . . . . . . . . . . . . . . . . . . . . 10-9

8: A5 STEP OSC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-9

9: A4A1 1ST LO OSC .......................... 10-10

10:A3A22NDLOOSC.......................... 10-10

A3A3 RF

Control

BIAS

Output

HIGH

Troubleshooting

.

GROUP

.

ISOL'N

Troubleshooting

.

GROUP

.

ISOL'N

T

emperature

ey

Menus

.

MENU

.

N

NN

N

NN

N

.

NN

N

MODES

.

N

NN

N

REVISION

.

N

NN

N

TEST

(

NN

N

NNNNNNNNNNNNNNNNNNNNNNNNN

OLATILE MEMORY . . . . . . . . . . . . . . .

:DIAG:TEST:EXET

N

TESTS

N

NN

TESTS

N

NN

TESTS

NN

N

..........

ests ....................

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

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

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

Signal .

A

TTENU

Signals

1/2

OUTPUT

V

oltages

ST

ABILITY

.

TROUBLESHOOTING

.

T

est

F

ailure

.

TROUBLESHOOTING

.

T

est F

ailure Troubleshooting

T

est

Head Trouble

.

(

:DIAG:SERV:MODE

.

N

(

.

N

(

:DIAG:FREV?

.

..

(

:DIAG:TEST

(

:DIAG:TEST

N

(

:DIAG:TEST

...... ...

.

A

TOR

CONTROL

.

FREQUENCY

.

..

.

..

Troubleshooting

.

..

.

..

.

..

.

)

..

.

)

0

)

17

)

34

)

40

)

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

.

SIGNALS

.

..

.

..

REFERENCE

.

..

SUMMARY

.

..

SUMMARY

.

..

.

..

.

Isolation (Opt.

.

{ON|1}

..

.

..

)

.

..

.

..

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

.

..

.

..

.

..

.

..

.

..

.

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

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

..

.

..

.

..

.

..

.

..

.

013

and

014)

.

..

.

..

.

..

.

..........

.........

...... ...

......

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

7-27

. 7-29

.

7-29

7-31

.

7-31

. 7-33

.

8-1

8-3

.

8-4

.

8-4

.

8-4

.

8-5

.

9-1

.

9-4

.

9-5

.

9-5

.

9-5

.

9-6

.

9-7

.

10-1

.

10-3

.

10-3

.

10-3

.

10-4

10-5

.

10-5

.

10-6

.

10-6

10-7

10-8

10-9

Contents-5

11:

A3A1 DIVIDER

12:

A6 3RD

13:

A3A1 SOURCE

14:

A6 SEQUENCER

15:

SOURCE LEVEL

16:

DC BIAS

N

NN

N

EXTERNAL

17:

FRONT P

18:

DSK

19:

POWER SWEEP

20:

SOURCE FLA

21:

OUTPUT A

22:

RECEIVER GAIN

23:

A6 GAIN

24:

A6 V/I

25:

FRONT ISOL'N

26:

TRD LOSS

27:

CABLE

28:

TRD

29:

TRD

30:

HIGH

31:

LOW

32:

HIGH

33:

HIGH

N

NN

N

ADJUSTMENT

34:

HOLD

35:

BPF

36:

3RD

37:

2ND

38:

SOURCE

39:

SOURCE

N

DISPLAY

40:

TEST

41:

TEST

42:

TEST

43:

TEST

44:

TEST P

SERVICE

N

NN

BUS

N

NN

CORRECTION

NNNNNNNNNNNNNNNNN

SYNTH

NNNNNNNNNNN

OSC

N

NNNNNNNNNNNNNNNNNNNNNN

DC BIAS

NNNNNNNNNNN

TRD

NNNN

IF

Service Modes . .

BUSMEASUREMENTMENU..... ...... ...... ...... .. 10-17

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

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

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

DC BUS [OFF](:DIAG:SERV:BUS:DC<numeric>) ....... ...... 10-17

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

FREQ BUS [OFF](:DIAG:SERV:BUS:FREQ<numeric>) ........... 10-17

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

AZ SWITCH on OFF(:DIAG:SERV:BUS:AZER {OFF|ON|0|1}

MODES MENU

NN

N

MEAS [OFF]

NN

N

NN

...

......

NNNN

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

LO

NN

N

TESTS

ANEL DIA

DR

FA

TTENUA

NORMALIZER

ISOLA

ISOL'N

Z HEAD

TEMP

N

NN

N

TESTS

STEP

ADJ

V

CXO

LO

PLL

MIXER

V

N

NN

N

NN

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

CXO

NN

N

TESTS

P

A

TTERN

P

A

TTERN

P

A

TTERN

P

A

TTERN

ATTERN

N

NN

N

NN

N

CONSTANTS

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

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

..

.

..

OSC

.

..

OSC

.

N

NN

.

ULT

TNESS .

..

.

TION

ITO

V

TO

..

HIGH

LOW

N

ADJ

.

LEVEL

LOCK

N

.

N

..

N

NN

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

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

.

G. .

ISOL'N .

LINEARITY .

TOR .

..

.

V

I

..

Z HEAD

N

.

ADJ

LEAK

LEVEL

.

1

2 .

3

4

5 .

..

NN

N

..

.

..

.

..

.

ADJ

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

ADJ

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

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

...... .

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

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

)............ 10-17

)..... .... 10-18

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

. 10-11

..

. 10-11

..

. 10-11

..

. 10-11

..

.

..

.

..

.

..

. 10-12

..

. 10-12

.

..

.

..

.

....

10-10

10-11

10-12

10-13

10-14

10-15

10-16

Contents-6

N

NN

N

Node

V

15

12.6

5

V

AN

A

C

V

VTUNE

INTEG

VREF

BIAS

N

(

:DIAG:SERV:BUS:WAIT

..

.

alues .

Descriptions

.

(A

UX)

(2.025

(

0

1.92

U)

V

(

0

2.124

(

0

2.025

U)

(2.025

V

POWER

V

VTUNE

LO

OUT

LO

OUT

LO

VTUNE

LO

Bus Node

.

OSC

NNNNNNNNNNNNNNNNNNNNNNNNN

U)

(2.1465

(1.8955

(A

UX)

(1.92

(2.002

(2.0605

LEVEL

VTUNE

LEVEL

.

OSC

U)

(1.92

U)

.

U)

(Source

VTUNE

(Detector

(Level

(Step

(Fractional N

OUT (Fractional

(Reference

(A/D

V

OL

T

A

CURRENT

.

Descriptions

.

(Source

OUT

(Divider

(Step

Oscillator)

(Reference Oscillator)

(Third Local Oscillator)

ANTS MENU

NNNNN

(

:DIAG:SERV:CCON:OLEV {NORM|FRON|OFF}

.............................. 10-30

.

U)

.

U)

.

U)

.

Oscillator

(Second

Output)

.

D

A

C

Output V

(First

Oscillator

(Third

.

..

Converter

GE

.

Oscillator)

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

(

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

<

numeric

.

..

.

..

.

..

.

..

.

..

.

..

.

V

CO

Local

Oscillator

.

..

oltage) .

Local

Oscillator

V

CO

Oscillator

N

Oscillator

Oscillator V

Local Oscillator

.

V

oltage

.

Output)

Reference)

.

..

.

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

..

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

>

)

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

Tuning

..

Turning

V

CO

.

..

.

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

V

CO

..

.

V

CO

Turning V

V

Turning

Integrator

Tuning

V

CO

Tuning

.

..

.

..

oltage)

Tuning

.

oltage) .

V

.

V

oltage)

.

oltage) .

..

V

oltage)

Output

oltage)

V

oltage)

.

..

.

..

.

..

.

..

.

). . . . . . . .

) ...... ..

) ....... 10-30

). . . . . . . . 10-30

...... ...... . 10-31

.

V

oltage)

.

..

.

..

.

.......

.

..

.

..

.

..

.

..

. 10-18

.

. 10-18

..

.

..

.

. 10-24

.

..

.

. 10-25

.

. 10-26

10-18

10-19

10-20

10-21

10-22

10-23

10-24

10-25

10-26

10-27

10-28

WAIT

COUNT

Bus

Measurement .

Bus

Measurement Procedure

Bus

Measurement V

DC

Bus

0:

OFF .

1:

+5

2:

0

3:

0

4:

0

5:

+5

6:

+5.3

7:

+8.5

8:

+15

9:

+15

10:

+22

11:

F

12:

+65

13:

SRC

14:

2ND

15:

DET

16:

SRC

17:

D

18:

1ST

19:

STEP

20:

FN

21:

FN

22:

REF

23:

3RD

24:

3RD

25:

AD

26:

DC

27:

DC

28:

GND A22A23

29:

GND .

Frequency

0:

OFF

1:

SOURCE

2:

DIVIDER

3:

STEP

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

5: REF OSC

6: 3RD LO OSC

7: SAMPLE HOLD . .

CORRECTION CONST

NNNNNNNNNNNNNN

NNNNNNNNNNNNNNNNNNNNNNNNN

OSC LVL CC [ ]

NNN

NNNNNNNNNNNNNNNNNNNNNNNNN

DC BIAS CC ON/off

Correction Constants . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-28

SYNTHESIZER CONTROL MENU ....................... 10-29

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

1st LO OSC [ ](:DIAG:SYNT:FLOC:MODE {AUTO|SING|TRIP}

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

FN OSC [ ](:DIAG:SERV:STNT:FN:MODE {AUTO|NARR|WIDE}

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

STEP OSC [ ]

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

FREQUENCY OFFSET(:DIAG:SERV:SYNT:FREQ:OFFS

Contents-7

OSC

CONTROL MENU

N

NN

N

NN

N

OSC

AUTO man

NN

N

NN

OUTPUT

NN

N

OSC DAC

N

NN

N

OSC

N

OSC

DC BIAS

NN

N

DC BIAS

N

POLARITY

N

CUR

N

DAC

N

RELAY

TRANSDUCER

NN

N

TRD

N

TRD

N

MEAS

N

TEST

IF

CONTROL

N

IF

N

NN

GAIN XV

N

GAIN

N

GAIN

N

GAIN

N

IF

BOOTLO

NN

N

SYSTEM

N

SYSTEM

N

PREVIEW

N

NN

REBOOT

NN

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

N

NN

N

NN

DAC

N

NN

N

OUT

CONTROL

N

NN

N

NN

OFST

N

.

N

NN

N

ON

N

NN

ATT

N

RANGE

N

[

N

NN

N

HEAD

N

NN

N

GAIN

N

XI

N

NN

N

Y

N

NN

N

Z

N

NN

N

BW

ADER

N

NN

N

NN

N

NN

N

NN

N

ATT

NN

N

NN

N

]

N

[

N

[

N

UPDATE

BACKUP

N

NN

[

NN

N

AUTO

NN

N

VALUE

N

NN

ON

off

NN

N

AUTO

NN

N

[

]

NN

N

[

]

.

N

NN

off

CONTROL

NN

N

AUTO

N

NN

N

(

:DIAG:SERV:TRAN:RANG

N

(

:DIAG:SERV:TRAN:SENS:FUNC

N

[

]

MENU

N

NN

N

AUTO

N

NN

N

[

]

(

NN

N

[

]

(

N

]

(

:DIAG:SERV:IF:GAIN:Y

N

]

(

:DIAG:SERV:IF:GAIN:Z

.

..

MENU

NN

N

NN

DISK

..

.

(

:DIAG:SERV:SOUR:MODE

NN

]

(

:DIAG:SERV:SOUR:ATT

N

NN

man

(

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

NN

(

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

NN

(

:DIAG:SERV:SOUR:STAT

MENU

N

NN

man

(

:DIAG:SERV:DCB:POL

(

:DIAG:SERV:DCB:OFFS

.

(

:DIAG:SERV:DCB:STAT

N

NN

man

N

(

:DIAG:SERV:TRAN:THE

N

man

:DIAG:SERV:IF:GAIN:X:XV

:DIAG:SERV:IF:GAIN:X:XI

N

.

N

.

..

.

(

:DIAG:SERV:DCB:MODE

.

..

MENU

(

:DIAG:SERV:TRAN:MODE

.

..

N

(

:DIAG:SERV:IF:GAIN:MODE

.

..

.

..

.

{AUTO|EXP|NORM}

.

..

.

..

{AUTO|MAN}

{OFF|ON|0|1}

.

{AUTO|MAN}

{AUTO|POS|NEG}

..

.

{OFF|ON|0|1}

.

{AUTO|MAN}

{IMP|VOLT|CURR|VIR}

{HIMP|LIMP|HTHI|HTLI}

.

{DB0|DB6|DB12}

{DB0|DB6|DB12|DB18}

{DB0|DB2|DB4|DB18}

.

..

.

)

.

)

.

{AUTO|MAN}

<

numeric

.

)

.

)

.

)

.

{AUTO|MAN}

.

..

.

..

.

)

.

)

.

..

.

..

.

>

)

.

..

.

..

.

)

.

..

.

..

.

..

.

..

.

)

.

..

.

..

.

)

.

)

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

. 10-32

.

10-33

.

10-34

.

10-35

.

10-35

. 10-35

.

10-35

.

10-36

.

10-37

.

10-38

.

10-38

.

10-39

. 10-40

.

10-41

.

10-41

.

10-41

.

10-41

.

10-42

.

10-43

.

10-43

.

10-43

.

10-44

.

10-44

11. Theory

O

VERALL

ANALYZER FUNCTIONAL GROUPS . . . . . . . . . . . . . . . . . . . .

POWER SUPPL

DIGITAL CONTROL OPERATION ... ...... ..... ...... ... 11-8

Contents-8

of Operation

ANALYZER

Y OPERA

Line P

ower Module

A40 Preregulator

A50 DC-DC Converter

Switching Regulator 1

Switching Regulator 2

Regulated +5V Digital Supply (+5 VD)

A50 Shutdown LED ........................... 11-5

A2 Post-Regulator ...... ...... ...... ...... ..... 11-6

Shutdown Circuit .... ...... ..... ...... ...... . 11-6

Eight Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6

A7 Output Attenuator Drive Circuit . . . . . . . . . . . . . . . . . . . . 11-7

A1CPU........ ...... ...... ..... ...... ... 11-10

OPERA

.........

TION

TION . . . .

......

........

...... ...

...... ....

.

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

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

.

..

.

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

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

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

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

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

.

..

. 11-1

11-2

11-3

11-5

. 11-5

A30

Front-Panel

A31

I/O Connector

A32

I-BASIC

A51

GSP .

A52

LCD (Liquid

A53

FDD .

A54

Inverter

SOURCE

A5

Synthesizer

REF

FRA

C

STEP

Multiplier

A4A1

A3A1

A3A2

A3A3

A7

A22/A23

RECEIVER THEORY

A4A2

A6

TRANSDUCER

T

A41

1st

Local

Single-Loop

Triple-Loop

Source

Divider

Source

Level

2nd

LO

Source

Output

Receiver RF

Receiver IF

Third

Sample/Hold

Gains

est

Heads

TRD

Gv/Gi

V/I

Multiplexer

Control

Interface

.

THEORY

OSC

.

N

OSC

.

(

2

13)

LO

.

OSC

Circuit

Operation

V

ernier

.

OSC

.

V

ernier

LO

.

First

Mixer

.

Attenuator

DC

Bias

Local Oscillator

Converter .

and A/D

X,

Y

,

and

THEORY

.

Amplier

A

TT

and

.

Keyboard .

.

Crystal

.

..

.

Z

.

Level

.

Display)

.

..

.

..

.

..

.

..

.

Converter .

.

Normalizer

.

..

at

..

.

..

.

..

.

Frequency

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

Spans

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..



.

..

.

..

.

..

.

..

.

>

.

..

.

..

.

..

.

..

45

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

MHz

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

. 11-10

.

. 11-11

.

..

.

. 11-18

.

. 11-22

.

..

11-10

11-11

11-12

11-14

11-15

11-16

11-17

11-18

11-19

11-20

11-22

11-23

11-24

11-26

11-27

11-28

12. Replaceable P

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

ORDERING INFORMA

Direct Mail Order System . . . . . . . . . . . . . . . . . .

EXCHANGE ASSEMBLIES

REPLACEABLE P

Top View Assemblies . . . . . . . . . . . . . . . . . . . . .

BottomViewAssemblies.. ..... ...... ...... ...... . 12-10

Front Assembly Parts ...... ...... ...... ...... ... 12-16

Rear Assembly Parts............................ 12-21

Miscellaneous Parts ............................ 12-23

Test Station and Test Head Parts ...................... 12-28

High Temperature Test Head Parts (Option 013 and 014) ........... 12-30

arts

TION...................

ARTS LIST

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

.......

...... ..

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

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

......

...... .

.....

12-1

12-2

12-4

Contents-9

13.

Replacement Procedures

INTRODUCTION

TOP

COVER

T

ools Required

Procedure

BOTTOM

T

ools

Procedure

SIDE

T

ools

Procedure

FRONT

T

ools

Procedure

REAR

T

ools

Procedure

A1

T

ools

Removal

Replacement

A2

T

ools

Removal

A3A1

T

ools

Removal

A4 FIRST

T

ools Required

Removal

A5

T

ools Required

Removal

A6

T

ools

Removal

A7

T

ools

Removal

A22

Tools Required . . . . . . .

Removal Procedure

A30 KEYBO

Tools Required . . . . . . . . . .

Removal Procedure

A40 PREREGULA

Tools Required . . . . . . . . . . . . . . . . . . . . .

Removal Procedure

A41 TRD AMP REPLACEMENT........ ...... ..... ..... 13-13

Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-13

Removal Procedure ............................ 13-13

A50 DC-DC CONVERTER REPLACEMENT.. ...... ...... ..... 13-15

Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-15

Removal Procedure ............................ 13-15

A51 GSP REPLACEMENT .. ...... ..... ...... ...... . 13-15

COVER

Required

CO

VER

Required

P

ANEL

Required

P

ANEL

Required

CPU

REPLA

Required

Procedure

POST

REGULA

Required

Procedure

Source

Required

Procedure

LO/RECEIVER

Procedure .

SYNTHESIZER REPLA

Procedure .

RECEIVER

Required

Procedure

OUTPUT

Required

Procedure

DC

BIAS

..

.

REMO

V

AL

.

..

.

REMO

.

REMO

V

AL

.

REMO

V

.

REMO

V

AL

.

CEMENT

.

Procedure

TOR

.

..

V

ernier

,

A3A2 SECOND

.

..

.

IF

REPLA

.

A

TT

AND

.

1/2

and

A23

ARD REPLA

TOR REPLA

.

..

.

..

.

..

.

..

V

AL

.

..

.

..

.

..

.

..

.

..

.

..

.

AL

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

REPLA

.

A8

.

.........

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

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

CEMENT

..

.

..

.

RF

REPLA

.

CEMENT .

.

..

.

CEMENT

.

3

dB

A

TT

.

DC

BIAS 2/2

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

CEMENT . . . . . . .

CEMENT . ..... ...... ......

.

..

.

..

.

LO,

AND

A3A3

SOURCE

.

..

.

CEMENT

.

REPLA

.

..

REPLA

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

.

..

.

CEMENT

.

..

CEMENT

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

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

..

.

..

REPLA

.

..

.

..

.

..

.

..

.

..

.

..

.

...... ..

..........

.

..

.

..

.

..

.

..

.

..

.

CEMENT

.

..

.

..

.

..

.

..

.

..

.....

.

..

.

..

.

..

.

. 13-10

.

..

13-1

13-2

13-3

13-4

13-5

13-6

13-8

13-9

13-10

13-11

13-12

Contents-10

T

ools Required

Removal

Replacement

A52

Removal

A53

T

ools

Removal

A60

T

ools

Removal

TEST

T

ools

Replacement

CENTER

14.

P

ost

INTRODUCTION

POST

FIRMW

Ordering

Installing

A.

Manual

Introduction

Manual

Serial

Procedure .

LCD REPLA

Procedure .

FDD REPLA

Required

Procedure

FREQ

REF

Required

Procedure

HEAD

Required

CONDUCTOR

Repair

REP

AIR

ARE

INST

the

Changes

Number

REPLA

Procedures

PROCEDURES

.

..

.

Procedure .

CEMENT

.

CEMENT

.

REPLA

Procedure

Firmware

.

CEMENT

.

ALLA

.

CEMENT

.

COLLET

.

TION

Diskette

..

.

..

.

..

.

..

.

REPLA

.

..

.

..

.

..

.

CEMENT

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

. A

..

13-15

13-16

13-17

14-1

14-3

A

-1

A

-2

B

. P

ower

Requirement

Replacing

Fuse

Selection

P

ower

Requirements

P

ower

Messages

Error

Messages in

Error

Messages in

Index

Cable

Fuse

.

..

Alphabetical Order

Numerical Order

.

..

.

..

.

..

.

..

.

..

.

B-1

.

B-1

.

B-2

.

..

. B-2

.

Messages-1

.

.Messages-7

Contents-11

Figures

1-1. Serial

2-1. Frequency

2-2. OSC

2-3. Measurement

2-4. Sweep

2-5.

2-6.

2-7.

3-1.

3-2. 40

3-3.

3-4. 520

3-5. 520

3-6. Comb

3-7. Comb

3-8. Comb

3-9.

3-10.

3-11.

3-12.

3-13.

3-14.

3-15.

3-16.

3-17.

3-18.

3-19.

3-20.

3-21.

4-1.

4-2. Front

4-3. Source T

4-4. Transducer T

5-1. P

5-2. A50 SHUTDOWN LED Location . . .

5-3. A1 +5 VD LED Location . .

5-4. Eight A2 LED Locations

5-5. Displayed T

5-6. Removing Line Fuse . . . . . . . . . . . . . . . .

5-7. A40J1 Output Voltage .. ...... ...... ...... ...... . 5-11

5-8. A1 CPU Connector Locations . . . . . . . . . . . . . . . . . . . . . . . . 5-12

5-9. Fan Troubleshooting Setup . . . . . . . . . . . . . . . . . . . . . . . . . 5-14

5-10. A50 DC-DC Converter Troubleshooting Setup ... ..... ...... .. 5-15

5-11. A2 Output Voltage Measurement Setup ................... 5-18

5-12. Power Supply Block Diagram 1 . . . . . . . . . . . . . . . . . . . . . . . 5-20

5-13. Power Supply Block Diagram 2 . . . . . . . . . . . . . . . . . . . . . . . 5-21

Number

Level

List for

10

cm

Airline

10

cm

Airline

DC

Bias

Level

Updating

MHz

Reference

40

MHz

Reference

MHz

MHz Level

Generator

Second

Source

Third

Source

OSC

Hold

Band

DC

10

Overall Troubleshooting

ower Supply Lines Simplied Block

Local

V

Local

Mixer

Level

Step

P

ass

P

ass

Bias

Level Correction

MHz

Reference Oscillator

MHz

Reference Oscillator

P

anel

est Setup ................

Plate

A

ccuracy

A

ccuracy

Accuracy

Measurement

with

A

ccuracy

Correction

Level

A

PLL

CXO

A

djustment

V

CXO

Local

Leakage

Correction

A

djustment

Filter

A

Filter

A

LEDs

est Setup

est Result

.

T

est

T

est

T

est

Open

Short

T

Constants

Oscillator

djustment

A

djustment

A

djustment

Output

A

djustment

A

djustment

A

djustment

Leakage

A

djustment

Constants

Location

djustment

Flow .

.

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

.

Setup

Measurement

est

Constants Setup

.

Setup

A

ccuracy

Setup

Frequency

Location

Setup

Location

.

Location

Setup

Location

A

djustment

.

Setup

Location

Frequency A

..

.

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

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

....

.

..

.

..

.

..

.

..

T

est

.

..

T

est

Setup

T

est

Setup

.

A

djustment

A

djustment

.

Setup

Location

Setup

.

..

.

..

.

..

djustment Location

djustment Setup

..

.

..

.

Diagram ................

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

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

.

..

.

..

.

..

.

..

.

..

.

..

Setup

Location

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

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

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

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

..

.

..

.

..

.

..

.

..

.

. 2-9

. 2-10

. 2-14

. 2-15

.

..

. 3-11

.

..

.

. 4-10

1-3

2-4

2-6

2-18

3-5

3-6

3-7

3-8

3-9

3-10

3-12

3-14

3-15

3-16

3-17

3-18

3-19

3-20

3-21

3-22

3-23

3-24

3-25

3-26

4-3

4-4

4-7

5-2

5-4

5-5

5-6

5-7

5-8

Contents-12

5-14.

Power

6-1.

Digital Control

6-2.

A1 Eight

6-3.

Bootloader Display

7-1.

Source Group

7-2.

INT REF

7-3.

Typical

7-4.

Typical

7-5.

FRA

7-6.

FRA

7-7.

STEP

7-8.

Typical

7-9.

Typical

7-10.

520

7-11.

EXT

7-12.

A5J4

7-13.

1st

7-14.

Typical

7-15.

Typical

7-16.

1st

7-17.

21.42

7-18.

Typical

7-19.

2nd

7-20.

Typical

7-21.

2.05858

7-22.

Typical

7-23.

A3A3

7-24. A7

7-25.

A22 Output

8-1.

Receiver Group

8-2.

Receiver Group

8-3.

A6 GAIN

9-1.

Transducer Group

9-2.

Transducer

9-3.

Transducer

9-4.

T

9-5.

Cable

10-1.

Service

10-2.

Service

10-3.

T

10-4. T

10-5. Service Modes Menu . . . . . . .

10-6. Bus Measurement Menu

10-7. F

10-8. 1st LO VTUNE Typical Trace . . . . . . . . . . . . . . . .

10-9. FN VTUNE Typical Trace

10-10. FN INTEG OUT Typical Trace

10-11. Correction Constants Menu . . . . . . . . . . . . . . . . . . . . .

10-12. Synthesizer Control Menu ......................... 10-29

10-13. OSC Control Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-32

10-14. DC Bias Control Menu ........................... 10-34

10-15. TRD Control Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-37

10-16. IF Control Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-40

10-17. Bootloader Menu ........... ..... ...... ...... . 10-43

11-1. Analyzer Simplied Block Diagram ...... ...... ...... ... 11-1

Supply Block

LEDs'

T

est

Setup

INT

REF

FRA

C

N

OSC

Signal

C

N

OSC

Typical

OSC

T

est

STEP

OSC

520

MHz

Signal

REF

T

est

Location

LO

OSC

Signal

1st

LO

1st

LO

OSC

Typical

MHz

Signal

21.42

MHz

LO

OSC

T

est Setup

2nd

Local

GHz

Signal

2.05858

RF

Signal

Output

est

Station

ests

est Status on the Display

an P

Attenuator

V

oltages

Test

Group

Connectors

Isolation

Key

Menus

Menu

ower Typical Trace . . . . . .

.

Diagram 3

Group

Block

N

Setup

.

OSC

Location

Check

.

Simplied

P

attern

Signal

OSC

Signal

T

est

.

T

est

T

est

Signal

Oscillator

GHz

T

est

Block

Troubleshooting Flow

Block Diagram

Block

Troubleshooting

.

..

.

Diagram

.

Signal

Level

T

Signal

.

at

.

Setup

.

Setup

Signal

T

.

(Single

(Triple

(Single

Setup

.

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6-2

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6-3

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6-5

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7-2

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7-7

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7-8

7-9

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7-9

.

7-10

.

7-11

.

7-12

.

7-14

.

7-14

.

7-15

.

7-16

.

7-17

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7-18

.

7-19

.

7-20

.

7-21

.

7-22

7-23

.

7-24

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7-25

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7-26

.

7-27

. 7-29

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8-2

.

8-3

.

8-4

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9-2

.

9-3

. 9-4

.

9-5

.

9-7

.

10-1

. 10-3

.

10-5

10-6

10-15

10-17

10-21

10-22

10-23

10-24

10-27

Contents-13

11-2.

Power

11-3.

A2 Eight

11-4.

Digital Control

11-5.

Source Simplied

11-6.

Receiver Simplied

11-7.

Transducer Simplied

11-8.

High

11-9.

Low

11-10.

11-11.

12-10.

12-11.

12-12.

12-13.

12-14.

12-15.

12-16.

12-17.

12-18. ID

Source

Receiver

12-1.

T

12-2.

T

12-3.

T

12-4.

Bottom

12-5.

Bottom

12-6.

Bottom

12-7.

Front

12-8.

Front

12-9.

Front

Rear

Miscellaneous

T

13-1.

A1 EEPROM

13-2.

A2 P

13-3.

A3 Replacement

13-4.

A3A1, A3A2,

13-5.

A4 First

13-6.

A7

13-7.

A22/A23

13-8.

A40

13-9.

A41

14-1.

Firmware

14-2.

Bootloader

A

-1.

Serial

B-1. P

Supply Functional

Status

Impedance

Group

and

op

View

1

op

View

2

op

View

3

View

Assembly

est

Station

Connector

ost

Regulator

Lo/Receiver RF

Input

A

DC

Preregurator

TRD

Amp

Number

ower Cable Supplied

LED

Group

Measurement

Block

Transducer

(Major

(RF

Flexible

(Wires

1

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2

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3

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P

arts

P

arts

P

arts

P

arts

P

arts

P

arts

P

arts

P

arts

P

arts

P

arts

and

T

est

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Location

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and A3A3

TT

and

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(Inside)

3/5

(Inside)

4/5

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(Outside)

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..

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..

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11-4

11-7

11-21

11-26

11-27

11-29

11-30

12-4

12-6

12-8

12-10

12-12

12-14

12-16

12-17

12-18

12-19

12-20

12-21

12-22

12-23

12-24

12-25

12-28

12-34

13-4

13-5

13-6

13-7

13-8

13-10

13-11

13-13

13-14

14-3

14-4

-2

B-3

Contents-14

T

ables

1-1. Recommended

2-1.

T

est

Setting

2-2.

T

est

Setting

2-3. DC

2-4. DC

3-1. Required

4-1. Troubleshooting

4-2.

4-3.

5-1.

5-2.

7-1. STEP

7-2.

7-3.

7-4.

7-5.

9-1.

10-1.

10-2.

11-1.

11-2.

11-3.

12-1.

12-2.

12-3.

12-4.

12-5.

12-6.

12-7.

12-8.

12-9.

12-10. Front Assembly P

12-11. Front Assembly P

12-12. Front Assembly P

12-13. Front Assembly P

12-14. Front Assembly P

12-15.

12-16. Rear

12-17. Miscellaneous

12-18. Miscellaneous Parts 2 (Chassis) .. ...... ...... ..... .... 12-24

12-19. Miscellaneous Parts 3 (On A5) .. ...... ...... ...... ... 12-25

12-20. Miscellaneous Parts 4 (Other Shields) ...... ...... ...... .. 12-26

12-21. Miscellaneous Parts 5 (Accessories) ..................... 12-27

12-22. Test Station and Test Head Parts ...................... 12-29

12-23. High Temperature Test Head Parts ...... ...... ...... ... 12-30

12-24. High Temp.Test Heads Parts (Fixture Side, Option 013) ........... 12-31

Bias

V

Bias

Current

Source

T

A50

P

A3A3

A7

.

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Typical

STEP

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TRD

Manufacturers

List

T

Bottom View

Rear Assembly P

T

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P

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Supplies

OSC Frequency

RF

Attenuation

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est

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STEP

OSC

Level

Amplier

of

Abbreviations

op

View

op

View

op

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op

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Assembly P

Test

Equipment

for

Normal

for

High

T

emperature

oltage

Binaries

Signal

.

1

2

3

A

ccuracy

A

ccuracy

.

Information

Settings

T

ests

Supplies

.

T

ests

T

erms

VTUNE

Frequency

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Gain

Code

(Major Assemblies)

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3 (Miscellaneous

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.

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on

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T

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V

vs

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A7

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Parts)

Assemblies) .

Semi-rigid Cables

arts 1/5 (Outside)

arts 2/5 (Inside) . . . . . . .

arts 3/5 (Inside) . . . . . . . . . . . . . . . . .

arts 4/5 (Inside) . . . . . . . . . . . . . . . . .

arts 5/5 (Inside) . . . . . . . . . . . . . . . . . .

arts 1 (Outside)

arts 2 (Inside)

.

T

emperature

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est

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for

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..

.

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alues

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..

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. 12-9

. 12-11

.

. 12-15

. 12-23

2-7

2-19

3-4

4-6

4-8

4-11

5-16

5-19

7-13

7-28

7-30

7-32

9-6

10-7

10-23

11-15

11-19

11-28

12-2

12-3

12-5

12-7

12-13

12-16

12-17

12-18

12-19

12-20

12-21

12-22

Contents-15

12-25.

12-26.

12-27.

14-1.

A

-1. Manual

A

-2. Manual

B-1.

High T

Post

Repair

Fuse

emp.

Test

emp

.

T

emp

.

T

Procedures

Changes

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est

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by

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arts

P

arts

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Serial

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Station

Stand)

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,

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.

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, Opt.

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. 12-33

.

..

.

12-32

12-34

14-1

A

-1

A

-1

B-1

Contents-16

1

General

Information

INTRODUCTION

The

Service

manual

analyzer

Manual

contains

.

is a

information

ORGANIZATION

This

manual

This

section

appendices

P

erformance

A

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after

constants

using

Note

lists

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repair

stored

the

adjustment

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performance test,

SERVICE

and

appendices

the

tabs

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procedures

Constants

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assembly

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(PN

04291-65003).

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4291B

MANU

the

describes

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The

the

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adjust, troubleshoot,

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listed

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content

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for

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analyzer

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are

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Overall

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P

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Troubleshooting.

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Control Troubleshooting

Outlines

functional group

contained

the analyzer

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Source Troubleshooting

Receiver Troubleshooting

Transducer Troubleshooting

Note

Service Key Menus.

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

SERVICE MENU

The following chapters are

Documents the functions of the menus accessed from

. These menus allow you to test, verify, adjust, control, and troubleshoot the

, for the most part, reference material.

analyzer. GPIB service mnemonics are included.

troubleshooting, and

.F

aulty assembly

remaining trouble

provides troubleshooting

isolation

procedures

shooting chapters

4

System

General Information 1-1

for

.

5

,

Theory of

Operation.

functional groups

,and

Explains

the overall

the operation

of each

operation of

the analyzer

functional group

,

the

division

into

.

Replaceable

Parts

.

miscellaneous chassis

Replacement

certain assemblies

P

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adjustments

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each

Appendices.

compatible with

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earlier

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the

table

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portions

service

procedures

performed

(required

analyzer)

list.

replaceable

of

after

repair

to

make

and

the

.

This

or

this

power

assemblies

analyzer

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requirements

and

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1-2 General Information

ANALYZERS

COVERED

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TEST EQUIPMENT

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the

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performance test,

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tools

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Equipment Critical

Computer HP

B

ASIC

Mass

Operating

Storage

System

Program 4291B

P

erformance

Frequency

T

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Kit

Counter

Standard

4

9000

Series

Revision

3.5

No

5.0

inch

Micro

A

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substitute

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Error:



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0

6

10

1

2

10

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GHz

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Recommended

Agilent

PN

04291-18010

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Model/

Number

16190A 1 P

Base

5343A

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001

3

5061B 1 A

8566A/B 1 A, T

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Option 001 (optional time base) is required for performance testing an analyzer equipped with option 1D5.

4

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, T: Troubleshooting

1-4 General Information

T

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Equipment Critical

Cables TRD

Type-N cable

BNC

GPIB

BNC(f)-SMA(f)

SMC(f)-BNC(f)

SMB(f)-BNC(f)

N(m)-BNC(f)

SMA(m)-BNC(f)

SMA(m)-SMA(f)

APC3.5(m)-APC3.5(f)

APC7-N(f)

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BNC(f)-Banana

1

The

11851B

2

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85032B

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cable,

cable

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61

cm,

,

122

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50

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T

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PN

04291-65001

11500B or

PN

8120-1839

PN

8120-1840

art

part of

Model/

Number

11851B

1

Qty Use

1 T

4 A, T

3 P

2 P

10833A/B/C 3 A

PN

1250-0562

PN

1250-0832

PN

1250-1236

PN

1250-1476

PN

11524A

PN

cable

1250-1548

1250-1741

1250-1866

or

part

1250-1548

1251-2277

of

88

cm.

of

85032B



,

50



,

50



and

a

N(m)-N(m)

1 P

,

A

1 A

2 P

,

A,

T

1 T

1 P

,

A

2

1 P

1 A

1 P

,

A

General Information 1-5