Nautel XR12 Manuel de programmation

XR12 Transmitter

Troubleshooting Manual

Document:XR12-TROUBLESHOOT

Issue: 3.12014-05-07

Status: Standard

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.

XR12 Troubleshooting Manual Table of contents

Page v

Contents

About this manual ix

About safety xiii

Safety precautions xv

Responding to alarms 1-1

Corrective maintenance 1-1

Electrostatic protection 1-3

Identifying an alarm 1-4

Responding to alarms 1-9

Removing and reinstalling RF power modules 1-21

Troubleshooting RF power modules 1-25

Exciter panel and PWB removal / replacement 1-37

RF Drive Buffer PWB replacement 1-41

Distribution PWB replacement 1-42

RF Drive Power Supply assembly replacement 1-43

Low Voltage Power Supply assembly replacement 1-43

+24 Volt Power Supply assembly replacement 1-44

Fan Power Supply assembly replacement 1-45

RF Power Module assembly replacement 1-46

Detailed Circuit Descriptions 2-1

Control/display PWB (NAPC147D) 2-1

RF synthesizer PWB (NAPE70C) 2-4

Interphase PDM driver PWB (NAPM10B) 2-8

Remote interface PWB (NAPI83/01A) 2-13

fan power supply PWB (48 V) (NAPS30/01) 2-18

XR12 Troubleshooting Manual Table of contents

Page vi Issue 3.0 2009-07-28

RF drive power supply PWB (62 V) (NAPS10C) 2-19

RF power module (NAP34A) 2-20

RF drive buffer PWB (NAPE77A/01) 2-31

Parts Lists 3-1

Parts information 3-1

Family tree 3-1

How to locate information about a specific part 3-1

Column content 3-2

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

Common abbreviations/acronyms 3-4

Wiring/connector lists 4-1

Wiring lists provided 4-1

Wiring lists not provided 4-1

Connector mating information 4-1

Wire colours 4-1

Printed wiring board patterns 4-1

Reading Electrical Schematics 5-1

Component values 5-1

Graphic symbols 5-1

Logic symbols 5-1

Reference designations 5-1

Unique symbols 5-2

Identifying schematic diagrams 5-2

Structure of schematics 5-3

Locating schematic diagram for a functional block 5-3

Locating a part or assembly on a schematic 5-4

Mechanical Drawings 6-1

Introduction 6-1

XR12 Troubleshooting Manual Table of contents

Issue 3.0 2009-07-28 Page vii

Locating assembly detail drawings 6-1

Content of mechanical drawings 6-1

List of terms 7-1

Index IX-1

XR12 Troubleshooting Manual Table of contents

Page viii Issue 3.0 2009-07-28

XR12 Troubleshooting Manual

Issue 3.0 2009-07-28 Page ix

About this manual

This manual provides troubleshooting information for the XR12 transmitter. It is intended for use by

field technicians. This manual allows the troubleshooting technician to diagnose a fault to the system

level, using alarm response procedures, parts lists, wiring lists, and electrical schematics. Electrical

schematics and mechanical drawings are included at the end of the manual.

Performing procedures

When using procedures in this manual, perform each step in sequence.

• If you are asked to see another section of this manual, or another document, refer to that

section or document for additional information, then continue the procedure.

• If you are asked to go to another step within the procedure, jump directly to that step with-

out performing the intervening steps.

• If you are asked to go to another section or document, stop the procedure and perform the

tasks described in the other section or document.

• If you are asked to check a voltage, use a digital voltmeter and test the voltage relative to

ground (unless otherwise instructed).

• If you are asked to check a signal, use an oscilloscope and test the signal relative to ground

(unless otherwise instructed).

Technical support

Nautel offers technical support to customers over the Internet and by telephone. Nautel’s customer

support team will answer your questions and work with you to identify and resolve problems.

For technical support, call the Customer Support Team at 902-823-3900 or - in U.S.A. and Canada

only - call toll free at 1-877-6NAUTEL (662-8835). Or find us on the Internet at http://

www.nautel.com.

For parts and tools information, see “Parts and tools” on page 12-1 of the XR12 Pre-Installation

Manual.

For accessories or spares, see “Accessories” on page 10-1 of the XR12 Pre-Installation Manual.

XR12 Troubleshooting Manual

Page x Issue 3.0 2009-07-28

For standard warranty information, see “Pre-installation assistance” on page 11-1 of the

XR12 Pre-Installation Manual.

For extended warranty information, see “Pre-installation assistance” on page 11-1 of the

XR12 Pre-Installation Manual.

XR12 transmitter manuals

The XR12 documentation suite includes the following documents:

XR12 Pre-installation Manual, XR12-PREINST. The Pre-installation Manual provides

instructions and reference information needed when planning and preparing for the installation of an

XR12 transmitter.

Nautel Site Protection Manual. The Site Protection Manual provides detailed information

about protecting your site from lightning-related hazards.

XR12 Installation Manual, XR12-INST. The Installation Manual provides instructions and

reference information needed when installing an XR12 transmitter.

XR12 Operating and Maintenance Manual, XR12-OPS-MAINT. The Operating and

Maintenance Manual provides instructions for operating, maintaining and troubleshooting

an XR12 transmitter. It also provides reference information needed when performing diagnostic

procedures.

XR12 Troubleshooting Manual, XR12-TROUBLE. The Troubleshooting Manual provides

detailed technical information about the XR12 transmitter, including electrical schematics and

mechanical drawings.

Nautel website / Online resources

The Nautel website provides useful resources to keep you up to date on your XR12.

Nautel User Group (NUG)

The website includes a special section that customers can log into in order to access the Nautel

customer newsletter, product manuals, frequently asked questions (FAQ), information sheets, and

information about field upgrades. Registration is available online and is required.

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