Garmin GNS 430 - 2. Communicating with the GNS 430; Auto-tuning COM Frequencies; Manual COM Frequency Selection

400 SERIES MAINTENANCE MANUAL Page iii
P/N 190-00140-05 Rev. C
TABLE OF CONTENTS
SECTION 1
DESCRIPTION AND OPERATION
Paragraph Page
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
SECTION 2
SPECIAL TOOLS AND TEST EQUIPMENT
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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