Table Of Contents - Garmin GNC 420 Maintenance Manual

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1.1 INTRODUCTION .................................................................................................... 1-1
1.1.1 Versions Covered by this Manual.................................................................... 1-1
1.2 FUNCTIONAL SUMMARY...................................................................................... 1-3
1.2.1 GPS 400.......................................................................................................... 1-3
1.2.2 GNC 420 ......................................................................................................... 1-3
1.2.3 GNS 430.......................................................................................................... 1-3
1.3 REPAIR PLAN ........................................................................................................ 1-4
1.4 SPECIFICATIONS.................................................................................................. 1-4
1.5 GENERAL DESCRIPTION ..................................................................................... 1-4
1.5.1 Main Board ...................................................................................................... 1-4
1.5.2 Com Board ..................................................................................................... 1-5
1.5.3 Nav Board ...................................................................................................... 1-5
1.5.4 GPS Module ................................................................................................... 1-5
1.5.5 Glideslope Board ............................................................................................ 1-6
1.5.6 Inverter Board.................................................................................................. 1-6
1.5.7 CDU Assembly ................................................................................................ 1-6
1.5.8 Map Board....................................................................................................... 1-6
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2.1 INTRODUCTION .................................................................................................... 2-1
2.2 SPECIAL TOOLS AND TEST EQUIPMENT .......................................................... 2-1
2.3 TEST PANELS AND CABLES................................................................................ 2-1
400 SERIES MAINTENANCE MANUAL
P/N 190-00140-05

TABLE OF CONTENTS

SECTION 1
DESCRIPTION AND OPERATION
SECTION 2
SPECIAL TOOLS AND TEST EQUIPMENT
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Rev. C