Garmin SA01535Wi_D Manual download pdf (Page 22)

Page 2-4 G1000 / GFC 700 System Maintenance Manual - 200/B200 Series King Air

Revision 7 190-00915-01

2.1.6 GIA 63W Integrated Avionics Unit (2)

Two Garmin GIA 63W Integrated Avionics Units (IAUs) contain the VHF COM/NAV receivers, WAAS

GPS receiver, Flight Director, and system integration microprocessors. The GIAs also serve as a

communication interface to all other G1000 LRUs in the system. Each GIA 63W communicates directly

with the on-side GDU 1040A display using a HSDB Ethernet connection. Both GIAs are located remotely

in the nose equipment bay.

GIA 1 receives primary electrical power from the Essential Bus and a secondary electrical power supply

from Dual Fed Bus No.1. GIA 2 receives electrical power from Dual Fed Bus No. 2. The GIA 1’s COMM

power supply (COMM 1) is provided by the Essential Bus. GIA 2’s COMM power supply (COMM 2) is

provided by Avionics Bus No. 1. Therefore, both GIAs power-up immediately with external or aircraft

power or battery operation, with the exception of COMM 2 operation which will become active after

selection of Avionics Master on.

Both GIA 63Ws interface to the following equipment:

• Existing VOR/LOC/Glideslope Antenna System

• Existing VHF COM #1 & #2 Antennas

• Newly installed GA 36 and GA 37 GPS/WAAS Antennas

• GMA 1347D, #1 & #2

• GEA 71, #1 & #2

• GDU 1040A, #1 & #2

• GSA 80

• GRS 77, #1 & #2

• Traffic System (if installed)

The GIA 63W #1 interfaces to the following additional equipment:

• GDC 74B #1

• GTX 33( ) #1

• DME 42 (if installed)

The GIA 63W #2 interfaces to the following additional equipment:

• GDC 74B #2

• GTX 33 ( ) #2

• ADF (if installed)

• Stormscope (if installed)

• Radio Altimeter (if installed)

Figure 2-6, GIA unit

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Garmin SA01535Wi_D Manual Page 22