Figure 2-2. Gtn 6Xx/7Xx Connector Layout Detail (Gtn 650 And 750 Shown) - Garmin GTN 6 series Maintenance Manual

The GTN 6XX/7XX interface with other avionics equipment through the rear connectors shown in
Figure 2-2. The COM board is present only on the GTN 635, 650, and 750. The NAV board is present only
on the GTN 650 and 750.
NOTE
The COM board is not present in the GTN 625 or 725, and the NAV board is not present
in the GTN 625, 635, or 725. Empty COM and NAV board connector positions on the
these models are concealed with cover plates.

Figure 2-2. GTN 6XX/7XX Connector Layout Detail (GTN 650 and 750 shown)

GTN 6XX/7XX Part 27 AML STC Maintenance Manual
Page 2-4
190-01007-B1
Rev. 1