G1000 Supplemental Maintenance Manual Page 7-2Textron Nav III Series Revision 3190-02128-04LRU Replacement Procedure PFD1. Open the MFD, PFD (ESS BUS), and PFD (AVN BUS 1) circuit breakers.2. Remove SD cards from top and bottom slots of the MFD and PFD if present.3. Apply power to the G1000 system by connecting external power to the aircraft toenergize the aircraft and avionics electrical busses.4. Turn on Avionics/electrical busses.5. Power on the MFD and PFD in configuration mode.6. Using the MFD, scroll to the LRU replacement page.7. Activate the cursor and select PFD in the LRU dropdown box.8. Press the CHK All softkey.9. Press the Load softkey.10. Press ENT to acknowledge the process was complete.11. Deactivate the cursor.12. Scroll to the Configuration Manager page.13. Press the CNFM CFG softkey.14. Select ok when prompted to “Confirm configuration as expected configuration”15. Power cycle the system verify there are no red-Xs or system alerts.16. If red-Xs or system alerts are present, troubleshoot as necessary using Section 5 or re-load the system using the legacy method in Section 3.7.17. If there are no red-Xs or system alerts, continue to Section 7.1.5.Legacy Replacement Procedure PFD (Alternate Method)A full system configuration re-load is required when a new, repaired, or exchanged display isinstalled using this method. This includes all options and feature enablements.To complete this procedure, continue to Section 3.7.LRU Replacement Procedure MFDNOTEAnytime the MFD is replaced, all databases must be reloaded.1. Open the MFD, PFD (ESS BUS), and PFD (AVN BUS) circuit breakers.2. Remove SD cards from top and bottom slots of the MFD and PFD if present.3. Apply power to the G1000 system by connecting external power to the aircraft toenergize the aircraft and avionics electrical busses.4. Turn on Avionics electrical busses.5. Power on the MFD and PFD in configuration mode.6. Using the PFD, scroll to the LRU replacement page.7. Activate the cursor and select MFD in the LRU dropdown box.
