Gdu 1050A/1550; Gma 1347D Audio Panel - Garmin G1000 Nxi System Maintenance Manual

GDU 1050A/1550

Removal:
1. Using a 3/32" hex tool, rotate all four (GDU 1050A) or six (GDU 1550) ¼-turn fasteners
counter-clockwise until they reach their stops.
2. Carefully remove the display from the panel.
3. While supporting the display, disconnect the connector.
Reinstallation:
1. Visually inspect the connector and pins for signs of damage. Repair any damage.
2. While supporting the display, connect the connector to the rear of the unit. Verify the
connector is fully locked by rocking the connector up and down to verify the connector
stays attached to the unit.
3. Carefully insert the display into the panel cutout, ensuring that all 4 ¼-turn fasteners
align with the corresponding holes.
4. Seat the display in the panel cutout. Do not use excessive force while inserting the
display.
5. Once seated, rotate all four (GDU 1050A) or six (GDU 1550) ¼-turn fasteners clockwise
to lock the display to the panel.
6. Configure and test the MFD and/or PFD according to Section 7.1.

GMA 1347D Audio Panel

Removal:
1. Using a 3/32" hex tool, turn the hex nut counter-clockwise until the GMA 1347D is
unlocked from its location.
2. Carefully remove the GMA 1347D from its rack.
Reinstallation:
1. Visually inspect the connectors to ensure there are no bent or damaged pins. Repair
any damage.
2. Using a 3/32" hex tool, turn the hex nut counter-clockwise until the lock tab stops.
3. Gently insert the GMA 1347D into the rack until the locking tab engages the rack.
4. Tighten the hex nut until resistance is felt and the unit stops sliding into the rack. Do not
over-tighten the nut.
5. Configure and test the GMA 1347D according to Section 7.2.
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1
Page 229
Revision 1