Nautel NG1000 Manuale di programmazione

NG1000 Weather Radio

Transmitter System

Troubleshooting Manual

Document:NG1000-TROUBLESHOOT

Issue: 0.4 2010-10-12

Status: Preliminary

Nautel Limited

10089 Peggy’s Cove Road

Hackett’s Cove, NS Canada B3Z 3J4

Phone: +1.902.823.3900 or

Toll Free: +1.877.6NAUTEL (6628835) (Canada & USA only)

Fax: +1.902.823.3183

Nautel Inc.

201 Target Industrial Circle

Bangor, Maine USA 04401

Phone: +1.207.947.8200

Fax: +1.207.947.3693

Customer Service (24 hour support)

+1.877.628.8353 (Canada & USA only)

+1.902.823.5100 (International)

Email: [email protected]

Web: www.nautel.com

The comparisons and other information provided in this document

have been prepared in good faith based on publicly available

information. The reader is encouraged to consult the respective

manufacturer's most recent published data for verification.

NG1000 Troubleshooting Manual Table of contents

Page v

Contents

Release control record ix

About this manual xi

About safety xv

Safety precautions xvii

Responding to alarms 1-1

Corrective maintenance 1-1

Electrostatic protection 1-3

Identifying an alarm 1-4

Power Supply Module Replacement 1-17

+48 V Power Supply Replacement 1-18

Cooling fan replacement 1-19

Exciter/Control PWB Replacement 1-20

PS Distribution PWB Replacement 1-21

LED PWB Replacement 1-22

System Controller PWB Replacement 1-23

Button/LED PWB Replacement 1-24

Front Panel Display Replacement 1-25

RF Coaxial Switch Replacement 1-26

Modem Replacement 1-27

Audio Surge Protector Replacement 1-27

Data Line Surge Protector Replacement 1-28

ROAMS Unit Replacement 1-29

Dummy Load Replacement 1-29

Directional Coupler Replacement 1-30

NG1000 Troubleshooting Manual Table of contents

Page vi Issue 0.4 2010-10-12

Bandpass Filter Replacement 1-32

Ac surge protector MOV Replacement 1-33

Parts Lists 2-1

Parts information 2-1

Family tree 2-1

How to locate information about a specific part 2-1

Column content 2-2

OEM code to manufacturer’s cross-reference 2-3

Common abbreviations/acronyms 2-4

Wiring/connector lists 3-1

Wiring lists provided 3-1

Wiring lists not provided 3-1

Connector mating information 3-1

Wire colours 3-1

Printed wiring board patterns 3-1

Reading Electrical Schematics 4-1

Component values 4-1

Graphic symbols 4-1

Logic symbols 4-1

Reference designations 4-1

Unique symbols 4-2

Identifying schematic diagrams 4-2

Structure of schematics 4-2

Locating schematic diagram(s) for a functional block 4-3

Locating a part or assembly on a schematic 4-3

Mechanical Drawings 5-1

Identifying mechanical drawings 5-1

Content of mechanical drawings 5-1

NG1000 Troubleshooting Manual Table of contents

Issue 0.4 2010-10-12 Page vii

List of terms 6-1

NG1000 Troubleshooting Manual Table of contents

Page viii Issue 0.4 2010-10-12

NG1000 Troubleshooting Manual

Issue 0.4 2010-10-12 Page ix

Release control record

Issue Date Reason

0.1 2010-02-01 Initial release of manual

0.2 2010-05-19 Incorporated Engineering review comments

0.3 2010-06-11 Incorporated Engineering review comments

0.4 2010-10-12 Incorporated customer review comments

NG1000 Troubleshooting Manual

Page x Issue 0.4 2010-10-12

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