Support User Manuals

HP (Hewlett-Packard) 3490A Car Stereo System User Manual

Open as PDF

of 298

Model3490A

Table

of

Contents

rABLE

OF

CONTENTS

(Cont,d)

Section

V

(cont'd)

Page

Section

page

5-18.

Ätemate

Method

. .

... .5-2

VII.

TROUBLESHOOTING

AND

5-2O-D0Common-ModeRejectionTest ......5-2

CIRCUITDIAGRAMS

.......7-l

5-22.

A9Common-ModeRejectionTest

......54

7-1.

Introduction

...7-l

5-24-

AC Normal-Mode

Rejection

Test

..

......54

7-3.

Preliminary

Troubleshooting

...

...

. . .7-l

5-26.

DcVoltmeterlnput

7'5.

TroubleshootingTrees

........7-l

Resistance

Test

..

....

.54

7-7-

Access

for

Servicing

..

. .7-l

5-28.

AcVoltmeterlnput

7--9.

PowerSupplyChecks

........7-l

ImpedanceTest.

.....S-5

7-13.

DCAnalogCircuits

....7-2

5-30. Sampli/Hold

Performance

7-15-

,{2

Assembly

Exchange

.

. . .

.7-2

(Option04OlO45)

.....5-5

7-17-

DCAmplifierChecks

.......7-2

5-32. Sample/Hold DC Measurement

7-22.

DC

Amplifier

Switching

Circuits

.

. . .

.7-3

AccuracyTest..

......54

7-25.

ReplacementofQCR3Ol

....7-3

5-34.

Sample/Hold Response

Test

...

..5-6

7-27.

A-to-D

Conversion

Circuit

Checks

.

..

. .7-3

5-36. RatioPerformance(Option080)..

......5-7 711.

IntegratorTroubleshooting

..........74

5-38. DC/DC Ratio

Accuracy

Tests

541. AClDCRatioAccuracyTest

.....5-g

737'

OhmsConverterTroubleshootlng.....74

543-

ExternalReferenceinput

!19

DisplayTroubleshooting

............7-s

ResistanceTest..

.....5-8

t4z'

LogicTroubleshooting

545. GPIB

Operational

Check

(Option

030)

..

.5-8

- ,6 _

Suggestions

..

. . .

..

.7-5

547.

General

Test Procedure

.

.-.

.

.

. .

5-l I

t4ö-

Data

Output

Troubleshooting

549.

Test Procedure

Using

(Option

O2l) .

. . .

. .7-5

Model

98204

Calcrilator

. . .

. .

5-l

l

7-50.

Remote

Control

Troubleshooting

5-51.

AdjustmentProcedures...

.....5-14

(OptionO22)

.

.....7-5

5-53. PowerSupplyAdjustment

......5-14

t-)2'

GPIBTroubleshooting

5-55.

DCZeroAdjustments..

.......5-15

(Option030)

.

.....'l-5

5-57.

ReferenceAdjustments...

.....S-15

!-)5'

GeneralChecks

......7-s

5-59.

DC

Amplifier

Adjustments

561.

ACCorrverterAdjustments

.....5-15 !'t7'

ExternalTriggeiCircuitCheck.

.....74

563.

lVRangeAdjüstments

......s-15

1-t?'sample/HoldSJrvicing

........74

544.

l0VRangeAdjustments

.....5-16

!-bu'

AccesstoSample/HoldCircuits

.....74

5-65.

100

V

Range

Aäjustments

.

. .

.

5-16

743'

Operating

the

3490A

with

5-66.

OhmmeterAdjustments..

......5-16

Sample/HoldAssembliesRemoved..T6

5-69.Sample/HoldAdjustments.

.....5-16

!t2

Sample/HoldTroubleshootingTrees...T4

5-71.

Offset

Gain

Adjustment

. ..

.. .5-16

t4'1.

Ratio

Troubleshooting

. . ..

. . ..7-8

5-73.

Offset

Adjustment

.

. . .5-17

749-

External

Reference

Amplifier

5-75.

Dielectric

Absorption

Adjustment

.

.. .5-17

Checks

.

.

. .

.7A

5-77.

Response

Adjustment

......

..

S-iA

t^'

5-79.

Ratio

Reference

Adjustments

. .

.5-lg

r.

7'73.

Reference

Polarity

Logic

Checks

.

.

.

. 7-8

7-75.

SchematicNores.

.....7_g

Section

page

7'77.

Logic

Gate

Symbols

.

. .

.7-g

VI.

REPLACEABLEPARTS

......6-I

SCCtiON

PAgE

6-1.

Introduction

...6:l

VlI.

BACKDATING

....

... .8_l

6-1

Orderinglnformation

........6_l

g_1.

Introduction

.....g_l

6-6.

Non-Listedparts

.

.....6-l

g_3.

Change

Sequence

........

g_l

6-8.

ProprietaryParts.

.....6-l

g-5. partsNotUsted.

........g_l

APPENDICES

A.

Code

List

of Manufacturers

B.

Sales

and

Service

Offices

previous next