System Maintenance Manual GTN 6XX/7XX Part 23 AML STC 190-01007-A1Page iv Rev. 5LIST OF FIGURESFigure 2-1. GMA 35 Connector Layout Detail - Rear View .....................................................................2-2Figure 2-2. GTN 650 Connector Layout Detail - Rear View ....................................................................2-2Figure 2-3. GTN 750 Connector Layout Detail - Rear View ....................................................................2-3Figure 2-4. GTN System Interface Diagram .............................................................................................2-5Figure 3-1. GTN 6XX Normal Mode Screen ............................................................................................3-1Figure 3-2. GTN 7XX Normal Mode Screen ............................................................................................3-1Figure 3-3. GTN Software Updater ...........................................................................................................3-2Figure 3-4. System and Software Version .................................................................................................3-3Figure 3-5. GTN Software Loader Card Formatting .................................................................................3-3Figure 3-6. Update Progress Window .......................................................................................................3-4Figure 3-7. Update Completion .................................................................................................................3-4Figure 3-8. GTN 6XX and GTN 7XX Configuration Mode Pages ...........................................................3-6Figure 3-9. GTN 7XX Updates Page .........................................................................................................3-7Figure 3-10. System Information Page ......................................................................................................3-8Figure 3-11. GTN 7XX Setup Pages .........................................................................................................3-9Figure 3-12. GTN 7XX Options Pages ....................................................................................................3-11Figure 3-13. GTN 7XX TAWS Configuration Page ...............................................................................3-12Figure 3-14. Chart Configuration Page ...................................................................................................3-13Figure 3-15. COM Transmit Power Configuration Page .........................................................................3-14Figure 3-16. Weather Radar Page ............................................................................................................3-15Figure 3-17. GTN 6XX and 7XX Diagnostics Pages ..............................................................................3-17Figure 4-1. TVS Assembly Check .............................................................................................................4-8Figure 5-1. Failure Screen .........................................................................................................................5-5Figure 5-2. GMA 35 Failure Annunciation .............................................................................................5-20Figure 6-1. GTN 7XX Mounting Rack Assembly .....................................................................................6-2Figure 6-2. GTN 6XX Mounting Rack Assembly .....................................................................................6-3Figure 6-3. GMA 35 Mounting Rack Assembly Overview ......................................................................6-6Figure 6-4. Backshell Assembly (Potted Configuration Module) ...........................................................6-11Figure 6-5. Backshell Assembly (Configuration Module with Spacer) ..................................................6-12Figure 6-6. Fan/Backplate Orientation (GTN 7XX) ...............................................................................6-13Figure 6-7. Fan Wiring Replacement ......................................................................................................6-15Figure 6-8. TVS/Fuse Replacement (TVS1/F1) ......................................................................................6-17Figure 6-9. Detail of TVS Pin Assembly .................................................................................................6-18Figure 6-10. TVS2 Assembly ..................................................................................................................6-19Figure 6-11. GPS/SBAS Antenna Cable Overbraid ..............................................................................6-21Figure 6-12. WXR HSDB Cable Overbraid Details ................................................................................6-25Figure 7-1. Audio Panel Page ....................................................................................................................7-6Figure 7-2. Main Indicator (Analog) Configuration Page .......................................................................7-10Figure 7-3. VOR/LOC/GS Configuration Page .......................................................................................7-11Figure 7-4. XPDR1 Configuration Page ..................................................................................................7-18Figure 7-5. Audio Configuration Page ....................................................................................................7-23Figure 7-6. TAWS Configuration Page ...................................................................................................7-23