Installation Instructions

190-01007-A3 GTN 6XX/7XX AML STC Installation Manual
Rev. 4 Page 3-29
3.6.5 TVS, Fuse and Resistor Installation (nonmetallic aircraft only)
This section applies to IFR, nonmetallic aircraft only. VFR, non-metal aircraft do not require the use of
TVSs or fuses.
Certain nonmetallic aircraft will require TVSs at the main and NAV power inputs of the GTN. Refer to
Appendix G to determine which aircraft require them. Refer to Section 2.3.2.4 for TVS component part
numbers.
3.6.5.1 TVS/Fuse Installation
NOTE
Only TVS1/F1 are installed as described below. The TVS2 assembly uses standard
terminal lugs and should be installed in accordance with the notes on the applicable
interconnect diagram in Appendix E.
For all TVS/fuse assemblies that are required for lightning protection, install them in accordance with
Figure 3-11 and the notes on the applicable interconnect diagram in Appendix E.