Garmin GTN 6 series Maintenance Manual
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Garmin GTN 6 series Maintenance Manual

Part 23 aml stc
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See also: Instruction Manual
System Maintenance Manual
GTN 6XX/7XX Part 23 AML STC
Contains Instructions for Continued Airworthiness
for STC SA02019SE-D
Aircraft Make, Model, Registration Number, and Serial
Number along with the applicable STC configuration
information must be completed in Appendix A and
saved with aircraft permanent records.
190-01007-A1
October 2013
Revision 6

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  • Page 1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STC Contains Instructions for Continued Airworthiness for STC SA02019SE-D Aircraft Make, Model, Registration Number, and Serial Number along with the applicable STC configuration information must be completed in Appendix A and saved with aircraft permanent records. 190-01007-A1 October 2013 Revision 6...
  • Page 3 Garmin. Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed and to...
  • Page 4 DOCUMENT PAGINATION Section Pagination Table of Contents i - vi Section 1 1-1 through 1-4 Section 2 2-1 through 2-6 Section 3 3-1 through 3-18 Section 4 4-1 through 4-8 Section 5 5-1 through 5-20 Section 6 6-1 through 6-28 Section 7 7-1 through 7-24 Section 8...
  • Page 5 $1,000,000 under Section 2410 of the Export Administration Act of 1979. Include this notice with any reproduced portion of this document. This information in this document is subject to change without notice. Visit the Garmin web site (www.garmin.com) for current updates and supplemental information concerning the operation of Garmin products.

  • Page 6: Table Of Contents

    TABLE OF CONTENTS1 INTRODUCTION ..................1-1 Content, Scope and Purpose.......................1-1 Organization ..........................1-1 Definitions and Abbreviations ....................1-2 Publications ..........................1-3 Distribution..........................1-4 SYSTEM DESCRIPTION.........................2-1 Equipment Descriptions ......................2-1 Backplate Connectors.........................2-2 GTN Optional Interfaces ......................2-4 GTN Block Diagram ........................2-5 GTN CONTROL AND OPERATION .....................3-1 GTN Controls ..........................3-1 GTN Normal Mode Overview ....................3-1 Software Loading ........................3-2 GTN Configuration Mode Overview ..................3-6...
  • Page 7 SYSTEM RETURN TO SERVICE PROCEDURE................8-1 Maintenance Records .........................8-1 APPENDIX A AIRCRAFT SPECIFIC INFORMATION ............A-1 190-01007-A1 GTN 6XX/7XX AML STC System Maintenance Manual Rev. 6 Page iii...
  • Page 8 LIST OF FIGURES Figure 2-1. GMA 35 Connector Layout Detail - Rear View ..............2-2 Figure 2-2. GTN 650 Connector Layout Detail - Rear View ..............2-2 Figure 2-3. GTN 750 Connector Layout Detail - Rear View ..............2-3 Figure 2-4. GTN System Interface Diagram .....................2-5 Figure 3-1.
  • Page 9 LIST OF TABLES Table 3-1. GTN Database Summary .......................3-19 Table 4-1. Periodic Maintenance .......................4-2 Table 5-1. GTN Troubleshooting Guide ....................5-1 Table 5-2. Alert Text Troubleshooting Guide ...................5-6 Table 5-3. COM Alert Troubleshooting Guide ..................5-9 Table 5-4. GPS/SBAS Alert Troubleshooting Guide ................5-11 Table 5-5.
  • Page 10 This page intentionally left blank GTN 6XX/7XX AML STC System Maintenance Manual 190-01007-A1 Page vi Rev. 6...

  • Page 11: Content, Scope And Purpose

    1 INTRODUCTION 1.1 Content, Scope and Purpose This document provides Instructions for Continued Airworthiness (ICA) for the GTN 6XX/7XX and GMA 35 as installed under STC SA02019SE-D. This document satisfies the requirements for continued airworthiness as defined by 14 CFR Part 23.1529 and 14 CFR Part 23 Appendix G. Information in this document is required to maintain the continued airworthiness of the GTN 6XX/7XX and GMA 35.

  • Page 12: Definitions And Abbreviations

    EFIS: Electronic Flight Instrument System EHSI: Electronic Horizontal Situation Indicator FIS-B: Flight Information Services Broadcast FPGA: Field-Programmable Gate Array G/S: Glideslope GAD: Garmin Interface Adapter GDL: Garmin Datalink GMA: Garmin Audio Panel GNS: Garmin Navigation System GPS: Global Position System...

  • Page 13: Publications

    Garmin Document 005-00533-C0 Master Drawing List, GTN 6XX/7XX 005-00533-C1 GTN 6XX/7XX Equipment List Supplemental Airplane Flight Manual for the Garmin GTN 6XX/7XX 190-01007-A2 GPS/SBAS Navigation System Supplemental Airplane Flight Manual for Garmin GTN 6XX/7XX GPS/ 190-01007-A5 SBAS Navigation System (GPS Functions Not Approved for IFR...

  • Page 14: Distribution

    This document is required for maintaining the continued airworthiness of the aircraft. When this document is revised, every page will be revised to indicate the current revision level. Garmin Dealers may obtain the latest revision of this document on the Garmin Dealer Resource Center website.

  • Page 15: System Description

    2.1 Equipment Descriptions 2.1.1 GTN 6XX/7XX Navigators and GMA 35 The GTN (Garmin Touch Navigation) SBAS navigators are a family of aviation panel mounted retro-fit products. The following sections will describe the available functions for each unit in the GTN 6XX/7XX navigators.

  • Page 16: Backplate Connectors

    2.2 Backplate Connectors Figure 2-1. GMA 35 Connector Layout Detail - Rear View Figure 2-2. GTN 650 Connector Layout Detail - Rear View System Maintenance Manual GTN 6XX/7XX Part 23 AML STC 190-01007-A1 Page 2-2 Rev. 6...

  • Page 17: Figure 2-3. Gtn 750 Connector Layout Detail - Rear View

    Figure 2-3. GTN 750 Connector Layout Detail - Rear View 190-01007-A1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STC Rev. 6 Page 2-3...

  • Page 18: Gtn Optional Interfaces

    2.3 GTN Optional Interfaces Optional equipment interfaces include:  Audio Panel  Air Data Computer  Altitude Serializer or Fuel/Air Data Computers  Autopilot  EFIS Displays  EHSI Displays  IRU/AHRS  Navigation Indicators  Weather, Traffic, Terrain Systems ...

  • Page 19: Gtn Block Diagram

    2.4 GTN Block Diagram Figure 2-4. GTN System Interface Diagram 190-01007-A1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STC Rev. 6 Page 2-5...
  • Page 20 This page intentionally left blank System Maintenance Manual GTN 6XX/7XX Part 23 AML STC 190-01007-A1 Page 2-6 Rev. 6...

  • Page 21: Gtn Control And Operation

    3 GTN CONTROL AND OPERATION 3.1 GTN Controls 3.2 GTN Normal Mode Overview Figure 3-1. GTN 6XX Normal Mode Screen Figure 3-2. GTN 7XX Normal Mode Screen 190-01007-A1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STC Rev. 6 Page 3-1...

  • Page 22: Software Loading

    NOTE An SD card reader is needed to create the GTN Software Loader card using the application that is downloaded from Garmin. The approved readers are SanDisk® SDDR-999 and SDDR-93, although other SD card readers will work. Create a GTN Software Loader Card as follows: 1.

  • Page 23: Figure 3-4. System And Software Version

    Figure 3-4. System and Software Version 6. Click Next and the window shown in Figure 3-5 will appear. CAUTION In order to create a GTN Software Loader Card, the drive that you select will be completely erased. Figure 3-5. GTN Software Loader Card Formatting 190-01007-A1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STC Rev.

  • Page 24: Figure 3-6. Update Progress Window

    7. Ensure that the correct drive is selected. Click Next to create the card. Click Next to acknowledge any warnings that appear. The progress window in Figure 3-6 will appear when the card is being created. Figure 3-6. Update Progress Window 8.
  • Page 25 2. Insert the GTN Software Loader Card into the GTN 7XX SD card slot (See Section 3.3.1 for instructions on how to create a GTN Software Loader Card). 3. Hold down the HOME key until Garmin is fully lit on the display after power is applied by closing the circuit breaker for the GTN 7XX.

  • Page 26: Gtn Configuration Mode Overview

    1. Remove power from the GTN by opening the circuit breaker. 2. Press and hold the HOME key and reapply power to the GTN (push in the circuit breaker). 3. Release the HOME key when the display activates and the name ‘Garmin’ appears fully lit on the screen.

  • Page 27: Figure 3-9. Gtn 7Xx Updates Page

    3.4.1 GTN Software Updates NOTE The following steps will need to be repeated for each replacement GTN unit that requires a software update. To update the GTN software, perform the following steps: 1. Remove power from the GTN by opening the circuit breaker. 2.

  • Page 28: Figure 3-10. System Information Page

    3.4.2 System Information View the System Information page, as shown in Figure 3-10, by touching System Information key on the Configuration Mode page. The System Information page displays the unit type, serial number, and system ID for the GTN. It also contains the software and hardware versions of the Main, I/O, Display, Keypad, LED, GPS/WAAS, COM and NAV boards.

  • Page 29: Figure 3-11. Gtn 7Xx Setup Pages

    3.4.3 GTN Setup Page This section provides a brief overview of the pages that are accessed from the GTN Setup page, as shown in Figure 3-11, are described below. To access the GTN Setup page, touch the GTN Setup key from the Configuration Mode page as shown in Figure 3-8.
  • Page 30 Audio This page allows the user to configure the aural alert volume. Traffic This page allows the user to configure the traffic intruder symbol color and configure whether or not the GTN is the display used to control the traffic system. Main System This page allows the user to display miscellaneous configuration options for the GTN.

  • Page 31: Figure 3-12. Gtn 7Xx Options Pages

    3.4.4 GTN Options Page Figure 3-12. GTN 7XX Options Pages 190-01007-A1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STC Rev. 6 Page 3-11...

  • Page 32: Figure 3-13. Gtn 7Xx Taws Configuration Page

    3.4.4.1 TAWS-B Enablement When the optional TAWS feature is enabled, the GTN will provide Class B TAWS functionality. This section describes how to reactivate the TAWS feature in the GTN. NOTE For first time TAWS enablement, refer to the GTN 6XX/7XX AML STC IM, P/N 190-01007-A3, for additional requirements and checkout procedures.

  • Page 33: Figure 3-14. Chart Configuration Page

    3.4.4.2 ChartView™ Enablement (GTN 7XX Only) The GTN 7XX can display Jeppesen charts using the optional ChartView feature, which must be activated. To configure which Charts to display, touch either None, FliteCharts, or ChartView. If ChartView is selected, it must be enabled as described below.

  • Page 34: Figure 3-15. Com Transmit Power Configuration Page

    3.4.4.3 COM Transmit Power Enablement When the optional 16W COM power is configured, the GTN COM will transmit with 16 watts rather than the standard 10 watts. This section describes how to re-enable the 16W COM transmit power. NOTE For first time COM transmit enablement, refer to the GTN 6XX/7XX AML STC IM, P/N 190-01007-A3, for additional requirements and checkout procedures.

  • Page 35: Figure 3-16. Weather Radar Page

    3.4.4.4 Digital Radar Enablement (GTN 7XX Only) This section describes how to re-enable the Digital Radar feature, which allows approved ARINC 708 Weather Radars to be interfaced with the GTN 7XX. NOTE For first time Digital Radar enablement, refer to the GTN 6XX/7XX AML STC IM, P/N 190-01007-A3, for additional requirements and checkout procedures.
  • Page 36 3.4.4.5 GWX 70 Advanced Features (GTN 7XX Only) The GTN 7XX can enable two Doppler radar features for the GWX 70. A Radar Turbulence Detection Card (P/N 010-00878-45 or 010-00878-47 (dual install)) is needed for Turbulence Detection and a Radar Automatic Ground Clutter Suppression Enablement Card (P/N 010-00878-44 or 010-00878-46 (dual install)) is needed for Ground Clutter Suppression.

  • Page 37: Figure 3-17. Gtn 6Xx And 7Xx Diagnostics Pages

    3.4.5 GTN Diagnostics Page The GTN Diagnostics page, shown in Figure 3-17, is accessed from the Configuration Mode Home page and is a useful tool for diagnosing issues and troubleshooting problems. Ground checks are also performed using the tools on this page. Figure 3-17.
  • Page 38 HSDB Ethernet This page displays the status of each HSDB port to be displayed. This page displays whether or not each port is receiving data and displays whether the port is connected or not connected. The communication status of each installed HSDB LRU is also displayed. Main Indicator (Analog) This page displays the CDI connected to the main board (P1001) to be ground checked and allows the interface to be verified.

  • Page 39: Database Updates

    GTN. The following describes each database and how the databases are updated. See Table 3-1 for a summary of the database location and update rate. The GTN Database card, Garmin P/N 010-00900-00, includes the Basemap, Obstacle, SafeTaxi, and Navigation databases.
  • Page 40 This page intentionally left blank System Maintenance Manual GTN 6XX/7XX Part 23 AML STC 190-01007-A1 Page 3-20 Rev. 6...

  • Page 41: Instructions For Continued Airworthiness

    4 INSTRUCTIONS FOR CONTINUED AIRWORTHINESS 4.1 Airworthiness Limitations There are no additional Airworthiness Limitations as defined in 14 CFR §23, Appendix G, G23.4 that result from this modification. The Airworthiness Limitations section is FAA approved and specifies maintenance required under §43.16 and §91.403 of the Federal Aviation Regulations unless an alternative program has been FAA approved.

  • Page 42: Maintenance Intervals

    GTN unit will remain fully operational, but the GPS signal acquisition time may be increased. There is no loss of function or accuracy of the GTN unit with a dead battery. The battery must be replaced by the Garmin factory repair station or factory authorized repair station. Every 10...

  • Page 43: Visual Inspection

    Item Description/Procedure Interval The GTN #1 main power input and NAV power input will have a TVS located at the LRU, for IFR non-metallic aircraft only. The After a TVS must be replaced in accordance with Section 4.6.1. suspected or Test Lightning Conduct a visual check of the GPS/SBAS antenna cable actual...

  • Page 44: Electrical Bonding Test

    4.5 Electrical Bonding Test 4.5.1 GTN Bonding Check (Metallic or Tube/Fabric Aircraft) Perform an electrical bonding check as follows: 1. Remove the GTN 6XX or GTN 7XX from the mounting rack. 2. Remove the backplate assembly from the rack. NOTE For GTN 7XX only, if the GMA 35 is installed, it must be removed from its rack and the GMA 35 backplate assembly must be removed prior to performing Step 3.
  • Page 45 4.5.3 GMA 35 (Metallic or Tube/Fabric Aircraft) A bonding check is required for the GMA 35. Perform an electrical bonding check as follows: 1. Gain access to the GMA 35 by removing the GTN 7XX. Remove the GMA unit from the mounting rack. 3.

  • Page 46: Transient Voltage Suppressor (Tvs) (If Installed)

    4.6 Transient Voltage Suppressor (TVS) (If Installed) After a suspected lightning strike, each TVS and TVS assembly (if installed) must be replaced. Refer to Section 6.8.1 for information on installing in-line TVSs. 4.6.1 GTN TVS1 Check (GTN #1 Only) NOTE The GTN should be the only LRU connected to the NAV/GPS circuit breaker.

  • Page 47: Figure 4-1. Tvs Assembly Check

    4.6.2 GTN TVS2 Assembly Check (GTN #1 Only) The TVS assembly (refer to Section 6.8) and fuse on the power bus side of GTN #1 must be inspected. Verify operation of all four TVSs prior to replacing any failed TVS. Figure 4-1.

  • Page 48: Gps/Sbas Antenna Cable Overbraid Inspection (If Installed)

    4.7 GPS/SBAS Antenna Cable Overbraid Inspection (If Installed) The GPS/SBAS antenna cable overbraid must be inspected after a known or suspected lightning strike. Check the antenna and overbraid for the following: 1. Check the cable overbraid for pinching, melting or evidence of arcing at the GPS/SBAS antenna end and at the GTN 6XX/7XX.

  • Page 49: Troubleshooting

    5 TROUBLESHOOTING 5.1 GTN General Troubleshooting This section provides information to assist troubleshooting if problems occur after completing the maintenance. Refer to the GTN System Configuration Log retained in the aircraft permanent records for a list of the interfaced equipment and system configuration data. When troubleshooting the GTN or GMA system, refer to the wire routing drawings and interconnect wiring diagrams that are retained in the aircraft permanent records.
  • Page 50 Problem Possible Cause Corrective Action Check that the MIC 1 Transmit (P1003- 11) input is pulled low for transmit. The The PTT input is not being pulled state of this discrete input can be low. monitored on the Discrete Inputs page found on the GTN Diagnostics page.
  • Page 51 Problem Possible Cause Corrective Action GTN does not have a position or Acquire GPS position and enter a flight flight plan entered. plan. GTN ARINC 429 output not Check ARINC 429 output port setting for configured correctly. port to which autopilot is connected. Autopilot is not Check ARINC 429 output port speed getting GPSS/Roll...
  • Page 52 Problem Possible Cause Corrective Action Remove Software Loader Card and insert database card. Ensure GTN GTN boots into powers up in normal mode after this. configuration mode Software Loader Card is inserted rather than normal into SD card slot. Reload software into the GTN (See mode.

  • Page 53: Gtn Failure Annunciations

    5.2 GTN Failure Annunciations If data fields become invalid, the GTN typically annunciates the failures with a large red X, as shown in Figure 5-1. Figure 5-1. Failure Screen 190-01007-A1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STC Rev. 6 Page 5-5...

  • Page 54: Gtn System Messages

    Dual concentric Press the knob to cycle its operation. If is stuck in the enabled or inner knob is stuck the message persists, contact Garmin pressed state. Knob is located in the pressed technical support. on the right side of the unit.
  • Page 55 OBS key is stuck. switch is pressed and released. Verify that the remote OBS switch wiring is correct. Contact Garmin technical support. Go to the GTN DIAGNOSTICS - DISCRETE INPUTS page in configuration mode and check that the state of the input changes when the CDI switch is pressed and released.
  • Page 56 Alert Text Possible Cause Corrective Action Check the wires between P1001-43, -58, and -59 and the fan to ensure they are not cut, damaged, or broken. Ensure the The wiring to the fan may be COOLING FAN - fan connector is completely engaged. faulty, the fan connector may The cooling fan has Also ensure the fan blades are not...

  • Page 57: Table 5-3. Com Alert Troubleshooting Guide

    GPS/NAV and COM circuit breakers) transceiver. The transceiver may still radio needs service. and see if the message has cleared. be usable. Contact Garmin technical support. Press the PTT switch to cycle its operation. If the message persists, contact Garmin technical support.
  • Page 58 Press the COM remote frequency increment key to cycle its operation. If the problem persists, contact Garmin technical support. Press the COM remote frequency decrement key to cycle its operation. Go to the GTN DIAGNOSTICS - DISCRETE INPUTS page in...

  • Page 59: Table 5-4. Gps/Sbas Alert Troubleshooting Guide

    Verify that the center conductor is not GPS receiver has in the GPS/SBAS receiver. shorted to the braid in the coaxial cable. failed. Check GPS Contact Garmin technical support for GPS antenna cable may be coaxial for electrical assistance. shorted to ground.

  • Page 60: Table 5-5. Vloc/Gs Alert Troubleshooting Guide

    Table 5-5. VLOC/GS Alert Troubleshooting Guide Alert Text Possible Cause Corrective Action VLOC RECEIVER - The GTN 650/750 has detected a Contact Garmin technical Navigation receiver needs failure in its navigation receiver. support. service. VLOC RECEIVER - The GTN 650/750 has detected...

  • Page 61: Table 5-6. Remote Transponder Alert Troubleshooting Guide

    5.3.1.4 Remote Transponder Related Alerts Table 5-6. Remote Transponder Alert Troubleshooting Guide Alert Text Possible Cause Corrective Action TRANSPONDER 1 - The transponder is reporting Refer to the transponder installation Transponder 1 needs a system failure. manual. service. TRANSPONDER 2 - The transponder is reporting Refer to the transponder installation Transponder 2 needs...

  • Page 62: Table 5-7. Gad 42 Alert Troubleshooting Guide

    GTN is not receiving data from Verify wiring between the GTN GAD 42. and the GAD 42. GAD 42 - GAD 42 needs GAD 42 is reporting an internal Contact Garmin technical service. failure. support. 5.3.1.6 Traffic Related Alerts Table 5-8. Traffic Alert Troubleshooting Guide...

  • Page 63: Table 5-9. Database Alert Troubleshooting Guide

    HSDB data from the GDL 69 GTN is lost. can be routed to the GTN through other Garmin LRUs. Ensure that all Garmin LRUs are powered up. Check for proper configuration. Ensure the GDL 88 is powered DATALINK – GDL 88 is...

  • Page 64: Table 5-10. Weather Radar Alert Troubleshooting Guide

    GTN that the CSA application Failure has failed. Traffic alerting on If the problem persists, contact ADS-B traffic is unavailable. Garmin technical support. DATALINK – GDL 88 external The GDL 88 has detected a Refer to the GDL 88 STC traffic system inoperative or TAS/TCAS input fault.

  • Page 65: Table 5-11. Taws Alert Troubleshooting Guide

    Inhibit switch is pressed and released. Verify wiring to the switch. If the problem persists, contact Garmin technical support. Verify wiring to the TAWS AUDIO INHIBIT input. TAWS AUDIO INHIBITED - There is a wiring problem or a Go to the GTN DIAGNOSTICS...

  • Page 66: Table 5-12. Third-Party Sensor Alert Troubleshooting Guide

    5.3.1.10 Third-Party Sensors Related Alerts Table 5-12. Third-Party Sensor Alert Troubleshooting Guide Alert Text Possible Cause Corrective Action Ensure Stormscope is Stormscope is not powered up. receiving power and is connected to ground. STORMSCOPE - Stormscope Wiring corrections are is inoperative or connection to Check wiring.

  • Page 67: Gma 35 Troubleshooting

    5.4 GMA 35 Troubleshooting This section provides information to assist troubleshooting if problems occur after completing maintenance. Refer to the system configuration log retained in the aircraft permanent records for a list of interfaced equipment and system configuration data. Table 5-13. GMA 35 Troubleshooting Problem Possible Cause Corrective Action...

  • Page 68: Gma 35 Failure Annunciations

    Table 5-14. Remote Audio Panel Alert Troubleshooting Guide Alert Text Possible Cause Corrective Action AUDIO PANEL - Audio panel Audio panel should be Return audio panel to Garmin needs service. serviced. for service. Ensure the audio panel is Audio panel is not powered up.

  • Page 69: Equipment Removal And Reinstallation

    6 EQUIPMENT REMOVAL AND REINSTALLATION This section describes how to remove and replace equipment associated with this STC. After removal and reinstallation, LRUs must be configured and tested as described in Section 7. CAUTION When removing and/or replacing a GTN, GMA 35, or any other item under the scope of the STC installation, always ensure that the aircraft power is off.

  • Page 70: Figure 6-1. Gtn 7Xx Mounting Rack Assembly

    211-60234-08 SCREW, 4-40 x .250 (4X) 330-00053-02 BNC/TNC CONNECTOR 212-00022-00 SHOULDER WASHER 115-01294-XX 330-00053-01 GTN 7XX MOUNTING RACK BNC CONNECTOR 253-00421-00 CHASSIS GASKET 125-00221-10 GTN 7XX BACKPLATE 371-00014-01 211-60234-23 SCREW, 4-40 X 1.375 011-02326-0X CONNECTOR KIT PART OF 011 -02246-00 (GTN 725, BLACK) AND 011 -02246-02 (GTN 750, BLACK, GRAY, AND NV) KITS. SEE TABLE FOR KIT CONTENT DIFFERENCES . REFERENCE 010-00819-50 (GTN 725, BLACK), 010-00820-50 (GTN 750, BLACK), 010-00820-A0 (GTN 750, HELO, BLACK), 010-00890-50 (GTN 750, GRAY), AND 010-01060-A0 (GTN 750, NV, HELO, BLACK) KITS.

  • Page 71: Figure 6-2. Gtn 6Xx Mounting Rack Assembly

    211-60234-08 SCREW, 4-40 x .250 (4x) 330-00053-02 BNC/TNC CONNECTOR 212-00022-00 SHOULDER WASHER 115-01293-XX GTN 6XX MOUNTING RACK 253-00421-00 CHASSIS GASKET 211-60234-23 330-00053-01 SCREW, 4-40 X 1.375 (4X) BNC CONNECTOR 125-00220-10 GTN 6XX BACKPLATE 371-00014-01 011-02325-0X CONNECTOR KIT NOTES: PART OF 011-02245-00 (GTN 625, BLACK), 011-02245-01 (GTN 635, BLACK), AND 011-02245-02 (GTN 650, BLACK, GRAY, AND NV) KITS.

  • Page 72: Table 6-1. Self Test Values

    6.1.1 Display of Self-Test Data Following normal power-up, the database pages are displayed, followed by the Instrument Panel Self-Test page. Touch Continue to display the Instrument Panel Self-Test page. During this time, the electrical outputs are activated and set to the values listed below. Touch Continue to acknowledge the Instrument Panel Self-Test page.

  • Page 73: Gma 35

    6.2 GMA 35 Removal 1. Locate and pull the audio panel circuit breaker. 2. Ensure that the GTN(s) are not receiving power prior to removal of the audio panel. 3. Remove the GTN 7XX. 4. Locate the GMA 35 unit retention mechanism access hole at the bottom center of the unit face. 5.

  • Page 74: Figure 6-3. Gma 35 Mounting Rack Assembly Overview

    Figure 6-3. GMA 35 Mounting Rack Assembly Overview System Maintenance Manual GTN 6XX/7XX Part 23 AML STC 190-01007-A1 Page 6-6 Rev. 6...

  • Page 75: Sd Card

    6.3 SD Card CAUTION Handle the SD cards carefully. Do not touch the connector edge of the SD card. To replace the data card, complete the following steps: 1. Ensure that the GTN is turned off. 2. Remove the data card by pressing the card until it disengages and then pull the SD card to extract from the unit.

  • Page 76: Nav Antenna Cable Diplexer

    6.4 NAV Antenna Cable Diplexer Removal 1. Disconnect the coaxial connectors from diplexer, taking note of which coaxial connectors are connected to each port on the diplexer. 2. Remove the mounting screws and diplexer. Reinstallation 1. Reinstall the diplexer over the existing hole pattern and reinstall fasteners. Torque fasteners within 22 to 25 in-lbs.

  • Page 77: Nav Antenna Cable Splitter

    6.5 NAV Antenna Cable Splitter Removal 1. Disconnect the coaxial connectors from splitter, taking note of which coaxial connectors are connected to each port on the splitter. 2. Remove the mounting screws and splitter. Reinstallation 1. Reinstall the splitter over the existing hole pattern and reinstall fasteners. Torque fasteners within 5 to 6 in-lbs.

  • Page 78: Configuration Module (P1001 Only)

    6.6 Configuration Module (P1001 Only) GTN P1001 connector assemblies serve as the housing for a configuration module. This section lists configuration module assemblies. Table 6-2. Configuration Module Wire Color Reference Chart Color Function P1001 Contact Black Ground Yellow Data White Clock NOTE The pin contacts supplied with the GTN configuration module are specifically made to...

  • Page 79: Figure 6-4. Backshell Assembly (Potted Configuration Module)

    Table 6-3. Configuration Module Kit 011-00979-03 (P1001) Figure 6-4 Description Garmin P/N Reference Configuration Module, PCB Board Assembly w/EEPROM 011-02178-00 4-Conductor Harness 325-00122-00 Pin Contact, Crimp, #22D 336-00021-00 Figure 6-4. Backshell Assembly (Potted Configuration Module) Removal 1. Disconnect the connector from the GTN backplate assembly.

  • Page 80: Figure 6-5. Backshell Assembly (Configuration Module With Spacer)

    Table 6-4. Configuration Module Kit 011-00979-00 (P1001) Figure 6-5 Description Garmin P/N Reference Configuration Module, PCB Board Assembly w/EEPROM 012-00605-00 Spacer, Configuration Module 213-00043-00 4-Conductor Harness 325-00122-00 Pin Contact, Crimp, #22D 336-00021-00 Figure 6-5. Backshell Assembly (Configuration Module with Spacer) Removal 1.

  • Page 81: Gtn Fan

    6.7 GTN Fan CAUTION To avoid damage to the GTN, take precautions to prevent Electro-Static Discharge (ESD) when handling the GTN, connectors, fan, and associated wiring. ESD damage can be prevented by touching an object that is of the same electrical potential as the GTN before handling the GTN itself.

  • Page 82: Table 6-5. Fan Kit

    Table 6-5 lists part numbers for the Fan Kit which is used with P1001 only. Table 6-5. Fan Kit Figure 6-7 Ref Description Garmin P/N Fan Cable Assembly, 3 conductor harness 320-00600-00 Pin Contact, Crimp, #22D 336-00021-00 Silicon Fusion Tape 249-00114-00 Table 6-6.

  • Page 83: Figure 6-7. Fan Wiring Replacement

    Figure 6-7. Fan Wiring Replacement 190-01007-A1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STC Rev. 6 Page 6-15...

  • Page 84: Tvs And Fuse (Nonmetallic Aircraft Only)

    6.8 TVS and Fuse (Nonmetallic Aircraft Only) This section applies to IFR nonmetallic aircraft only. VFR nonmetallic aircraft do not require the use of TVSs or fuses. Certain nonmetallic aircraft will require TVSs at the main power input of the GTN. Refer to the GTN 6XX/7XX AML STC Installation Manual for TVS component part numbers.

  • Page 85: Figure 6-8. Tvs/Fuse Replacement (Tvs1/F1)

    Figure 6-8. TVS/Fuse Replacement (TVS1/F1) TVS2 Removal 1. Remove the ring terminal from ground as shown in Figure 6-10. 2. Carefully remove heat shrink from the TVS assembly, ensuring not to cut the insulation on the wire under the heat shrink. 3.

  • Page 86: Figure 6-9. Detail Of Tvs Pin Assembly

    TVS2 Replacement 1. When installing new TVSs, cut the leads to 0.75 +0.00/-0.10 inches on both sides. 2. Crimp and solder each of the TVS banded side (cathode) leads to their specific sockets (refer to Figure 6-9), and insert into the 4-pin connector with sockets. 3.

  • Page 87: Figure 6-10. Tvs2 Assembly

    Figure 6-10. TVS2 Assembly 6.8.2.1 TVS2 Assembly Polarity Check Using a multimeter that is set to the diode mode, check conductivity across the entire TVS2 assembly. In one direction, the meter should read open and in the other direction it should read 2.0 to 2.5 volts. When installed in the aircraft, the TVS assembly should be oriented so that it does not normally conduct from power to ground.

  • Page 88: Gps/Sbas Antenna Cable Overbraid

    6.9 GPS/SBAS Antenna Cable Overbraid The following removal and replacement steps are provided as guidance for replacing the cable overbraid assembly. See Figure 6-11. Removal 1. Gain access to the GPS/SBAS antenna cable. 2. Disconnect the overbraid terminal lug from the shield block. 3.

  • Page 89: Figure 6-11. Gps/Sbas Antenna Cable Overbraid

    NOTES: THE OVERBRAID MUST BE INSERTED INTO THE GROUNDING LUG BY COMBING OUT AND TWISTING THE WIRE STRANDS AND BEFORE TERMINATING THEM IN A TERMINAL LUG. WHEN REINSTALLING OVERBRAID AT CONNECTOR END OF PIGTAIL, THE OVERBRAID IS PUSHED DOWN UNTIL IT TOUCHES THE TOP SURFACE OF THE CONNECTOR. CONTINUE PUSHING BRAID DOWN BY SPREADING IT OUT ALONG THE TOP SURFACE OF THE CONNECTOR.
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  • Page 91: Wxr Hsdb Cable Overbraid

    6.10 WXR HSDB Cable Overbraid The following removal and replacement steps are provided as guidance for replacing the cable overbraid assembly. The overbraid assembly drawing is shown in Figure 6-12. Removal 1. Remove the radome to gain access to the GWX radar. 2.
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  • Page 93 Figure 6-12. WXR HSDB Cable Overbraid Details Sheet 1 of 2 190-01007-A1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STC Rev. 6 Page 6-25...
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  • Page 95: Figure 6-12. Wxr Hsdb Cable Overbraid Details

    Figure 6-12. WXR HSDB Cable Overbraid Details Sheet 2 of 2 190-01007-A1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STC Rev. 6 Page 6-27...
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  • Page 97: Equipment Configuration And Testing

    7 EQUIPMENT CONFIGURATION AND TESTING This section provides procedures to be followed after an LRU is replaced. At the beginning of each LRU section, instructions are given to guide the technician for various removal and replacement scenarios. These instructions define necessary procedures to be followed for situations in which original equipment was reinstalled as well as for situations in which new equipment (new serial number) is installed.

  • Page 98: Table 7-1. Configuration And Checkout Procedures

    Table 7-1. Configuration and Checkout Procedures Modification Required Action Affected Models Repeat configuration steps described in Section 7.1.1.1 (COM Configuration). Repeat configuration steps described in Section 7.4.1.1.2 (VOR/LOC/GS Configuration) and Section 7.4.2.1 (Serial Tuned DME Configuration). Perform ground checks per Replacing GTN with equivalent Section 7.1.2 (GTN Ground GTN 6XX/7XX...
  • Page 99 Modification Required Action Affected Models Configure remote transponder per Section 7.4.4.1 (Remote Transponder Configuration). Replacing a Transponder GTN 6XX/7XX Perform interface check per Section 7.4.2.2 (Interface Check). Replacing altitude encoders, air data computers or fuel-air data No action required. GTN 6XX/7XX computers.
  • Page 100 7.1.1 GTN Configuration Steps 7.1.1.1 COM Configuration Page (GTN 635/650/750 Only) Select the COM Configuration page from the GTN Setup page. These values are set at the factory and rarely require calibration. To enable or disable the COM radio, touch the COM key to toggle between enabled and disabled. The COM radio defaults to the enabled state.
  • Page 101 7.1.2.2 Signal Acquisition Check NOTE All other avionics should be turned off at the start of this test, with the GTN powered on in normal mode. After reinstallation, the initial acquisition of position can take up to 20 minutes. Subsequent acquisitions will not take as long. NOTE For best results, this check should be performed outdoors away from large buildings or objects that could obstruct the GPS antenna.

  • Page 102: Gma 35

    7.2 GMA 35 The following steps must be performed when replacing a GMA 35 audio panel. 1. Configure audio panel per Section 7.2.1. 2. Perform ground check per Section 7.2.2. 7.2.1 GMA 35 Audio Panel Configuration (GTN 7XX Only) 7.2.1.1 GMA 35 Audio Panel Settings In configuration mode, touch the External Systems key (See Figure 3-8) followed by the Audio Panel key.
  • Page 103 7.2.2 GMA 35 Audio Panel Checkout (GTN 7XX Only) 7.2.2.1 GMA 35 Interface Check (GTN 7XX Only) 1. With the GTN running and the GMA 35 audio panel powered on, go to the Home page and touch the Audio Panel key. 2.
  • Page 104 7.2.2.3 COM Transceiver Operational Check 1. Connect a headset to the pilot’s headset output and mic input jack. 2. Verify that each installed transceiver (COM) can be heard when selected. NOTE Depending on configuration settings, the mic selected COM may mute audio from other COMs.
  • Page 105 7.2.2.6 Receiver Audio Check If there are receiver audio sources connected to the GMA 35, the interface should be verified as described below. Ensure the GMA 35 as well as each interfaced receiver (DME, ADF, etc) is powered on. 1. Plug in a headset at pilot and copilot position. 2.

  • Page 106: Configuration Module

    7.3 Configuration Module Upon replacing a configuration module with a new configuration module unit, no further action is required to use the updated configuration module. Installation of a used configuration module is not recommended. 7.4 Interfaced Equipment This manual does not cover the removal/replacement of the following interfaced equipment. However, the following procedures are required to ensure proper functionality with the interfaced equipment.

  • Page 107: Figure 7-3. Vor/Loc/Gs Configuration Page

    7.4.1.1.1.1 Main Indicator OBS Resolver Calibration To calibrate the OBS resolver, touch the Calibrate key from the Main Indicator Configuration page. Next, select 150˚ on the External CDI/HSI then touch the OK key, as prompted on the display. After the OBS resolver is finished calibrating, the GTN will display “OBS Resolver Calibration Complete!”...
  • Page 108 7.4.1.2 Navigation Indicator Ground Checks (Configuration Mode) 7.4.1.2.1 Main Indicator Check (Analog Only) NOTE If the GTN is interfaced to an electronic HSI/EFIS and the main indicator analog output is not used, this check is not required. NOTE To verify if the indicator is interfaced with the GTN on the main connector (P1001), examine the response of the indicator during the GTN self test upon power-up.
  • Page 109 7.4.2 Serial Tuned DME 7.4.2.1 Serial Tuned DME Configuration Under the VOR/LOC/GS configuration page, set the DME mode and DME Channel Mode to the values specified in the Configuration Checkout Log. Configuration of these settings is required if exchanging GTN 650/750 units, but is not required if replacing a DME with an equivalent unit. 7.4.2.2 Interface Check (650/750 Only) Verify the interface performing the following steps: 1.
  • Page 110 7.4.3.2 Sandel SN3308 Interface Check If a Sandel EHSI has been connected to the GTN, the interface should be verified as described in one of the following sections, as appropriate for the installation. 7.4.3.2.1 One GTN/One SN3308 1. Cycle power to the GTN and acknowledge the prompts until it gets to the Instrument Panel Self- Test page (see Section 6.1.1).
  • Page 111 7.4.3.2.2 Two GTNs/One SN3308 1. Remove power from GTN #2 by opening up the circuit breaker. 2. Cycle power to GTN #1 and acknowledge the prompts until it gets to the Instrument Panel Self- Test page (see Section 6.1.1). 3. Select GPS1 as the navigation source by pressing the NAV key on the SN3308. Verify that GPS1 is displayed on the SN3308.
  • Page 112 7.4.3.2.3 Two GTNs/Two SN3308s 1. Remove power from GTN #2. 2. Cycle power to GTN #1 and acknowledge the prompts until it gets to the Instrument Panel Self- Test page (see Section 6.1.1). Select GPS1 as the navigation source by pressing the NAV key on the SN3308 #1.
  • Page 113 . 7.4.3.5 GMX200/MX20 Interface Check The Garmin GMX 200 or MX20 interface should be verified as described in this section. 1. Ensure that the GTN has a 3-D position fix.

  • Page 114: Figure 7-4. Xpdr1 Configuration Page

    Figure 7-4. XPDR1 Configuration Page 7.4.4.2 Transponder Interface Check If the GTN is interfaced to a GTX 32/33 remote transponder or a GTX 327/328/330 configured as a remote transponder, the following checks must be completed. 1. With the GTN unit running in normal mode and the transponder powered on, go to the Home page and ensure there is no red ‘X’...
  • Page 115 3. Verify that the Stormscope mode can be changed from Strike to Cell, and vice versa. 7.4.5.4 TIS (Garmin GTX 33/330) Interface Check If a Garmin GTX 33/330 transponder has been connected to the GTN as a TIS traffic source, the traffic interface should be verified as described in this section.
  • Page 116 The following additional steps should only be completed if the GTN is controlling the traffic system. 1. Pull the transponder circuit breaker and verify the air data fields are red ‘X’d. 2. If a squat switch (or airspeed switch) is connected to the GTX 33/330, ensure that it is in AIR mode.
  • Page 117 7.4.6.2 ARINC 708 Weather Radar Interface Check This section verifies that the interface between the GTN 7XX and ARINC 708 weather radar is functional. 1. Start the GTN in normal mode. If there are dual GTN 7XXs, start both in normal mode. 2.
  • Page 118 7.4.7 GDL 88 When testing the GDL 88, the aircraft must be located outside and have an unobstructed view of the sky. If the GDL 88 is installed and connected to the GTN, perform the following steps. No additional configuration steps are required when replacing the GDL 88 with an equivalent unit. 1.

  • Page 119: Enabled Features

    7.5 Enabled Features See Section 3.4.4 for guidance on enabling features. 7.5.1 TAWS Configuration and Checks (For Units with TAWS Only) Reconfigure TAWS settings per the Configuration Checkout Log. The TAWS configuration settings are located under the GTN Options menu. Figure 7-5.
  • Page 120 7.5.1.1 TAWS System Check While on the ground, turn on the GTN following normal power-up procedures. Also turn on the audio panel. NOTE A 3D GPS position fix is required to conduct the check. 1. Select the Terrain page from the normal mode Home page. 2.

  • Page 121: System Return To Service Procedure

    8 SYSTEM RETURN TO SERVICE PROCEDURE 8.1 Maintenance Records After conducting required return-to-service procedures in accordance with this document, the aircraft may be returned to service. Record the following information in the appropriate aircraft maintenance logs:  Software versions loaded as part of any maintenance action. ...
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  • Page 123: Appendix A Aircraft Specific Information

    APPENDIX A AIRCRAFT SPECIFIC INFORMATION An electronic fillable form is available. Refer to the “Attachments” panel of this manual. Acrobat Reader 8.0 or later is necessary to view and fill out the form. You can download Acrobat Reader by visiting www.adobe.com.
  • Page 124 APPENDIX A AIRCRAFT SPECIFIC INFORMATION GENERAL INFORMATION Date: AIRCRAFT: AIRCRAFT MAKE: AIRCRAFT MODEL: AIRCRAFT SERIAL #: AIRCRAFT REG. #: GTN #1: Unit P/N: Mod Level: Unit Model: Serial #: GPS Antenna P/N #: GPS Antenna Model: GTN #2: ‰ ‰ [N/A] Unit P/N: Mod Level: Unit Model:...
  • Page 125 GTN 6XX/7XX PART 23 CONFIGURATION LOG GTN #1 SYSTEM INFORMATION GTN SOFTWARE VERSIONS Main Board Software: Boot Code: FPGA: Touch Controller Board Software: Boot Code: GPS/WAAS Board Software: NAV Board ‰ ‰ [N/A] Software: Boot Code: FPGA: COM Board ‰ [N/A] Software: Boot Code: FPGA:...
  • Page 126 GTN 6XX/7XX PART 23 CONFIGURATION LOG GTN #1 - CONTINUED GTN SETUP MENU - CONTINUED HSDB (ETHERNET) CONFIGURATION Port 1: ‰ Connected ‰ Not Connected Port 3: ‰ Connected ‰ Not Connected Port 2: ‰ Connected ‰ Not Connected Port 4: ‰ Connected ‰...
  • Page 127 GTN 6XX/7XX PART 23 CONFIGURATION LOG GTN #1 - CONTINUED GTN SETUP MENU - CONTINUED ENHANCED LIGHTING CONFIGURATION (IF ENABLED ON MAIN SYSTEM CONFIGURATION PAGE) ENHANCED LIGHTING: ‰ [N/A] SOURCE SETTINGS Display Source: ‰ Photocell ‰ Lighting Bus 1 Keys Source: ‰ Photocell ‰ Lighting Bus 1 ‰ Lighting Bus 2 Photocell: Response Time: Lighting Bus 1: ‰...
  • Page 128 GTN 6XX/7XX PART 23 CONFIGURATION LOG GTN #1 - CONTINUED GTN SETUP MENU - CONTINUED AUDIO CONFIGURATION Alert Volume Level: TRAFFIC CONFIGURATION Traffic Intruder Symbol Color: ‰ Cyan ‰ White GTN Control of Traffic System: ‰ Yes ‰ No MAIN SYSTEM CONFIGURATION Heading Source Input: ‰...
  • Page 129 GTN 6XX/7XX PART 23 CONFIGURATION LOG GTN #1 - CONTINUED GTN SETUP MENU - CONTINUED DISCRETES CONFIGURATION J1001-16: J1001-52: VLOC Annunciate J1001-36: J1001-53: J1001-37: J1001-54: J1001-38: J1001-55: J1001-39: J1001-56: ILS/GPS Approach Annunciate J1002-01: Demo Mode Select 1001-57: J1002-10: J1001-71: J1002-11: J1001-72: J1005-33*: Synchro Valid - Low J1001-73:...
  • Page 130 GTN 6XX/7XX PART 23 CONFIGURATION LOG GTN #1 - CONTINUED GTN OPTIONS MENU TERRAIN CONFIGURATION Terrain Mode: ‰ Terrain Proximity ‰ TAWS A ‰ TAWS B TAWS Audio Clips ROC Caution: ‰ “Obstacle Ahead” x2 GSD Caution: “Glideslope” NCR Caution: ‰ “Don’t Sink” ‰...
  • Page 131 GTN 6XX/7XX PART 23 CONFIGURATION LOG GTN #1 CONTINUED GTN OPTIONS MENU - CONTINUED CHARTS ‰ None ‰ FliteCharts ‰ ChartView Charts Configured: COM TRANSMIT POWER ‰ Normal ‰ 16W ‰ N/A Com Transmit Power: WEATHER RADAR ‰ N/A ‰ Enabled Digital Radar: ‰...
  • Page 132 GTN 6XX/7XX PART 23 CONFIGURATION LOG GTN #2 SYSTEM INFORMATION GTN SOFTWARE VERSIONS Main Board Software: Boot Code: FPGA: Touch Controller Board Software: Boot Code: GPS/WAAS Board Software: NAV Board ‰ ‰ [N/A] Software: Boot Code: FPGA: COM Board ‰ [N/A] Software: Boot Code: FPGA:...
  • Page 133 GTN 6XX/7XX PART 23 CONFIGURATION LOG GTN #2 - CONTINUED GTN SETUP MENU - CONTINUED HSDB (ETHERNET) CONFIGURATION Port 1: ‰ Connected ‰ Not Connected Port 3: ‰ Connected ‰ Not Connected Port 2: ‰ Connected ‰ Not Connected Port 4: ‰ Connected ‰...
  • Page 134 GTN 6XX/7XX PART 23 CONFIGURATION LOG GTN #2 - CONTINUED GTN SETUP MENU - CONTINUED ENHANCED LIGHTING CONFIGURATION (IF ENABLED ON MAIN SYSTEM CONFIGURATION PAGE) ENHANCED LIGHTING: ‰ [N/A] SOURCE SETTINGS Display Source: ‰ Photocell ‰ Lighting Bus 1 Keys Source: ‰ Photocell ‰ Lighting Bus 1 ‰ Lighting Bus 2 Photocell: Response Time: Lighting Bus 1: ‰...
  • Page 135 GTN 6XX/7XX PART 23 CONFIGURATION LOG GTN #2 - CONTINUED GTN SETUP MENU - CONTINUED AUDIO CONFIGURATION Alert Volume Level: TRAFFIC CONFIGURATION Traffic Intruder Symbol Color: ‰ Cyan ‰ White GTN Control of Traffic System: ‰ Yes ‰ No MAIN SYSTEM CONFIGURATION Heading Source Input: ‰...
  • Page 136 GTN 6XX/7XX PART 23 CONFIGURATION LOG GTN #2 - CONTINUED GTN SETUP MENU - CONTINUED DISCRETES CONFIGURATION J1001-16: J1001-52: VLOC Annunciate J1001-36: J1001-53: J1001-54: J1001-37: J1001-55: J1001-38: J1001-56: ILS/GPS Approach Annunciate J1001-39: J1001-57: J1002-01: Demo Mode Select J1001-71: J1002-10: J1001-72: J1002-11: J1001-73: J1005-33*: Synchro Valid - Low...
  • Page 137 GTN 6XX/7XX PART 23 CONFIGURATION LOG GTN #2 - CONTINUED GTN OPTIONS MENU TERRAIN CONFIGURATION Terrain Mode: ‰ Terrain Proximity ‰ TAWS A ‰ TAWS B TAWS Audio Clips ROC Caution: ‰ “Obstacle Ahead” x2 GSD Caution: “Glideslope” NCR Caution: ‰ “Don’t Sink” ‰...
  • Page 138 GTN 6XX/7XX PART 23 CONFIGURATION LOG GTN #2 CONTINUED GTN OPTIONS MENU - CONTINUED CHARTS ‰ None ‰ FliteCharts ‰ ChartView Charts Configured: COM TRANSMIT POWER ‰ Normal ‰ 16W ‰ N/A Com Transmit Power: WEATHER RADAR ‰ N/A ‰ Enabled Digital Radar: ‰...
  • Page 139 GTN 6XX/7XX PART 23 CONFIGURATION LOG GMA 35 AUDIO PANEL CONFIGURATION ‰ [N/A] Software Version: AUDIO PANEL CONFIGURATION INTERCOM ‰ True ‰ False Mute PASS to CREW intercom during alerts ‰ True ‰ False Mute PASS to CREW intercom during selected audio ‰...
  • Page 140 GTN 6XX/7XX PART 23 CONFIGURATION LOG GMA 35 AUDIO PANEL CONFIGURATION - CONTINUED AUDIO PANEL CONNECTED RADIOS ‰ Present ‰ Not Present COM 2: ‰ Present ‰ Not Present COM 3: ‰ Present ‰ Not Present NAV 1: ‰ Present ‰ Not Present NAV 2: ‰...
  • Page 141 Wire Routing Single Engine The following diagram depicts approximate location of all LRUs and antenna(s) along with the wire routing for the GTN 6XX/7XX and GMA 35 throughout the aircraft structure for a single-engine aircraft. 190-01007-A1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STC Rev.
  • Page 142 Twin Engine The following diagram depicts approximate location of all LRUs and antenna(s) along with the wire routing for the GTN 6XX/7XX and GMA 35 throughout the aircraft structure for a twin-engine aircraft. System Maintenance Manual GTN 6XX/7XX Part 23 AML STC 190-01007-A1 Page A-20 Rev.
  • Page 143 Aircraft Wiring Diagrams Attach the aircraft wiring diagrams showing the equipment installed by this STC or a markup of the interconnect diagrams from the STC installation manual detailing which equipment was installed and how it was connected. NOTE Electrical loads for equipment installed by this STC are listed in the GTN 6XX/7XX AML STC Installation Manual.
  • Page 144 Equipment Interfaced to the GTN 6XX/7XX The purpose of the GTN Interfaced Equipment Lists (GTN #1 and GTN #2 (if applicable)) is to document the equipment that is interfaced to the GTN(s). Use the following guidance when filling out these tables: Installed?: Check “Yes”...
  • Page 145 GTN #1 Interfaced Equipment List Equipment Type AUDIO PANEL Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable): Covered by GTN STC Installation Manual? ‰ Yes ‰ No AIR DATA COMPUTER(S) Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable):...
  • Page 146 GTN #1 Interfaced Equipment CONTINUED AUTOPILOT ROLL STEERING CONVERTER Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable): Covered by GTN STC Installation Manual? ‰ Yes ‰ No EFIS DISPLAY(S) Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable):...
  • Page 147 GTN #1 Interfaced Equipment CONTINUED GDL 88 Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable): Covered by GTN STC Installation Manual? ‰ Yes ‰ No IRU/AHRS UNIT(S) Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable):...
  • Page 148 GTN #1 Interfaced Equipment CONTINUED TRAFFIC SOURCE Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable): Covered by GTN STC Installation Manual? ‰ Yes ‰ No TAWS (EXTERNAL TO GTN) Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable):...
  • Page 149 GTN #1 Interfaced Equipment CONTINUED Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable): Covered by GTN STC Installation Manual? ‰ Yes ‰ No CDI/HSI SOURCE SELECTION ANNUNCIATOR Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable):...
  • Page 150 GTN #1 Interfaced Equipment CONTINUED INTERFACE ADAPTER(S) (E.G., GAD 42) Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable): Covered by GTN STC Installation Manual? ‰ Yes ‰ No SYNCHRO HEADING SOURCE Installed: ‰...
  • Page 151 GTN #2 Interfaced Equipment Equipment Type AUDIO PANEL Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable): Covered by GTN STC Installation Manual? ‰ Yes ‰ No AIR DATA COMPUTER(S) Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable):...
  • Page 152 GTN #2 Interfaced Equipment CONTINUED AUTOPILOT ROLL STEERING CONVERTER Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable): Covered by GTN STC Installation Manual? ‰ Yes ‰ No EFIS DISPLAY(S) Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable):...
  • Page 153 GTN #2 Interfaced Equipment CONTINUED GDL 88 Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable): Covered by GTN STC Installation Manual? ‰ Yes ‰ No IRU/AHRS UNIT(S) Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable):...
  • Page 154 GTN #2 Interfaced Equipment CONTINUED TRAFFIC SOURCE Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable): Covered by GTN STC Installation Manual? ‰ Yes ‰ No TAWS (EXTERNAL TO GTN) Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable):...
  • Page 155 GTN #2 Interfaced Equipment CONTINUED Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable): Covered by GTN STC Installation Manual? ‰ Yes ‰ No CDI/HSI SOURCE SELECTION ANNUNCIATOR Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable):...
  • Page 156 GTN #2 Interfaced Equipment CONTINUED INTERFACE ADAPTER(S) (E.G., GAD 42) Installed: ‰ Yes ‰ No Model(s): Interface(s) (Analog, RS-232, ARINC 429, etc.): GTN Port Number(s) (if applicable): Covered by GTN STC Installation Manual? ‰ Yes ‰ No SYNCHRO HEADING SOURCE Installed: ‰...
  • Page 157 Equipment Interfaced to the GMA 35 The purpose of the GMA 35 Interfaced Equipment List is to document the equipment that is interfaced to the GTN(s). Use the following guidance when filling out these tables: Installed?: Check “Yes” if the equipment is installed in the aircraft and interfaced to the GTN. If the equipment is not installed in the aircraft, check “No.”...
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