System Maintenance Manual

G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air Page 5-11
190-00682-01 Revision F
CHNL 5
GTX 33D #1
w/TIS
GIA1/GTX 33 #1 data path is functioning correctly.
GIA1/GTX 33 #1 data path is not functioning correctly.
• Load GIA1 and GTX 33 #1 configuration files.
• Swap GIA1 and GIA2, reconfigure both GIA’s to their new
locations to confirm if the problem is in the original GIA1.
o Replace original GIA1 if box turns to a green
checkmark (√) after swapping units.
• Check the GIA1/GTX 33 #1 interconnect wiring for faults.
Replace GTX 33 #1 if problem remains.
GIA1/GTX 33D #1 data path functionality is unknown. Reload
GIA1 configuration files.
CHNL 6 GRS 77 #1
GIA1/GRS 77 #1 data path is functioning correctly.
GIA1/GRS 77 #1 data path is not functioning correctly.
• Load GIA1 configuration files.
• Swap GIA1 and GIA2, reconfigure both GIA’s to their new
locations to confirm if the problem is in the original GIA1.
o Replace original GIA1 if box turns to a green
checkmark (√) after swapping units.
• Swap GRS1 and GRS2 (no reconfiguration required) to
confirm if the problem is in the original GRS1.
o Replace original GRS1 if box turns to a green
checkmark (√) after swapping units.
Check the GIA1/GRS 77 #1 interconnect wiring for faults.
GIA1/GRS 77 #1 data path functionality is unknown. Reload
GIA1 configuration files.
CHNL 7
GMA
1347D #1
GIA1/GMA 1347D #1 data path is functioning correctly.
GIA1/GMA 1347D #1 data path is not functioning correctly.
• Load GIA1 and GMA 1347 #1 configuration files.
• Swap GMA 1347D #1 and GMA 1347D #2, reconfigure
both GMA’s to their new locations, to confirm if the
problem is in the original GMA 1347D #1.
o Replace original GMA 1347D #1 if box turns to a
green checkmark (√) after swapping units.
• Swap GIA1 and GIA2, reconfigure both GIA’s to their new
locations to confirm if the problem is in the original GIA1.
o Replace original GIA1 if box turns to a green
checkmark (√) after swapping units.
Check the GIA1/GMA 1347D #1 interconnect wiring for faults.
GIA1/GMA 1347D #1 data path functionality is unknown.
Reload GIA1 configuration files.