190-02207-A2 GPS 175/GNX 375/GNC 355 Part 23 AML STC Maintenance Manual
Rev. 3 Page viii
TABLE OF CONTENTS
1 INTRODUCTION .............................................................................................................................1-1
1.1 Content, Scope, and Purpose .....................................................................................................1-2
1.2 Organization ..............................................................................................................................1-2
1.3 Applicability ..............................................................................................................................1-3
1.4 Publications ...............................................................................................................................1-3
1.5 Revision and Distribution ..........................................................................................................1-3
1.6 Reference ...................................................................................................................................1-4
2 SYSTEM DESCRIPTION ................................................................................................................2-1
2.1 Equipment Descriptions ............................................................................................................2-2
3 CONTROL AND OPERATION ......................................................................................................3-1
3.1 GPS 175 .....................................................................................................................................3-2
3.2 GNX 375 ...................................................................................................................................3-3
3.3 GNC 355 ...................................................................................................................................3-4
3.4 Configuration Mode Overview .................................................................................................3-5
4 INSTRUCTIONS FOR CONTINUED AIRWORTHINESS ........................................................4-1
4.1 Airworthiness Limitations .........................................................................................................4-2
4.2 Servicing Information ...............................................................................................................4-3
4.3 Maintenance Intervals ...............................................................................................................4-4
4.4 Visual Inspection .......................................................................................................................4-5
4.5 Electrical Bonding Test .............................................................................................................4-6
4.6 Overhaul Period .........................................................................................................................4-7
4.7 Additional Instructions ..............................................................................................................4-7
5 TROUBLESHOOTING ...................................................................................................................5-1
5.1 General Troubleshooting ...........................................................................................................5-2
5.2 Failure Annunciations ...............................................................................................................5-6
5.3 GPS 175 Connector Pinout Information .................................................................................5-23
5.4 GNX 375 Connector Pinout Information ................................................................................5-25
5.5 GNC 355 Connector Pinout Information ................................................................................5-28
6 EQUIPMENT REMOVAL AND RE-INSTALLATION ..............................................................6-1
6.1 GPS 175 .....................................................................................................................................6-2
6.2 GNX 375 ...................................................................................................................................6-4
6.3 GNC 355 ...................................................................................................................................6-6
6.4 Display of Self-Test Data ..........................................................................................................6-8
6.5 Configuration Module Replacement .........................................................................................6-9
6.6 Data Card/Flight Stream 510 ...................................................................................................6-10
6.7 GAE 12 ....................................................................................................................................6-10
6.8 Bonding Strap ..........................................................................................................................6-11
7 SOFTWARE ......................................................................................................................................7-1
7.1 Software Check .........................................................................................................................7-2
7.2 Software Updates ......................................................................................................................7-2
8 SYSTEM CONFIGURATION AND CHECKOUT ......................................................................8-1
8.1 Overview ...................................................................................................................................8-2
8.2 System Checkout .......................................................................................................................8-2
8.3 GPS 175/GNX 375/GNC 355 Configuration ............................................................................8-2
8.4 Regulatory Test (GNX 375) ......................................................................................................8-2
8.5 ADS-B Out Test (GNX 375) .....................................................................................................8-3
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