
WORKSHOP MANUAL
TECHNICAL, INSTALLATION, COMMISSIONING
and
MAINTENANCE INFORMATION
for
Mk VII X-BAND TRANSCEIVER and ANTENNAS
PUBLICATION KH1251
Issue 1, May 2000
KELVIN HUGHES
Kelvin Hughes Ltd. is the Naval and Marine Division of Smiths Industries Aerospace
Registered Office: 765 Finchley Road, London NW11 8DS.
Incorporated in England No. 1030135
New North Road, Hainault, Ilford, Essex IG6 2UR, England
Telephone: 0208 500 1020
Telefax: 0208 559 8522
Telex: 896401

CONFORMITY STATEMENT
This equipment has been designed to comply with IMO regulations and IEC standards.
COPYRIGHT
ã Copyright Kelvin Hughes Ltd. 2000
All rights reserved. No part of this publication may be
reproduced, transmitted, transcribed, translated or stored
in any form or by any means, without the written
permission of Kelvin Hughes Limited.
Technical details contained in this publication are subject to
change without notice.
Page ii Issue 1

CONTENTS
PRELIMINARY PAGES
Title Page
Contents (this page) iii
Health and Safety Notice Page iv
Emergency Resuscitation vi
Electrostatic Caution Page vii
Amendment Record Page viii
CHAPTERS
Chapter 1 - General Description
Chapter 2 - Specification
Chapter 3 - Technical Introduction
Chapter 4 - Installation
Chapter 5 - Commissioning
Chapter 6 - Technical Description, including Unit Information for:
25 kW FET Modulator (CTX-A369/CTX-A345)
Tx Microcontroller PCB (CTX-A346)
Logarithmic Receiver PCB (CTX-A356)
Azimuth/Heading Line PCB (CAE-A106-2)
+26V Motor Starter PCB (CAE-A359)
Brushless Motor PCB (CAE-A236)
Chapter7-Maintenance
Chapter 8 - Parts
Annex A - Long Cable Runs
Issue 1 Page iii