Figure 2-3 Gtn 725/750 Block Diagram - Garmin GTN 725 Maintenance Manual

AIRCRAFT POWER & GROUND
AIRCRAFT LIGHTING BUS
EXTERNAL INSTRUMENTATION
STORMSCOPE
FUEL/AIR DATA
OR
SERIALIZER
FLIGHT CONTROL
SYSTEM
GARMIN
GTN 6XX/7XX
(CROSSFILL)
AIRCRAFT POWER & GROUND
AUDIO PANEL
RMI
AIRCRAFT POWER & GROUND
ARINC 429
EFIS/EHSI
PARALLEL TUNED
DME
RS-232 IN/OUT
ARINC 429 IN/OUT
SYNCRO
190-01007-01
Rev. 5
J1001
POWER & GROUND
LIGHTING BUS
TIME MARK OUT
RS-232 IN
RS-232 OUT
RS-232 IN
RS-232 IN
RS-232 OUT
ILS/GPS APPROACH
ARINC 429 IN
ARINC 429 OUT
J1002
ETHERNET IN
ETHERNET OUT
J1003
(GTN 750 only)
POWER & GROUND
COM MIC KEY
COM MIC AUDIO
COM AUDIO
ANALOG AUDIO
J1004
(GTN 750 only)
VLOC AUDIO
VOR OBI
POWER & GROUND
NAV ARINC 429 IN
NAV ARINC 429 OUT
PARALLEL DME TUNING
NAV DME COMMON
J1005
(GTN 750 ONLY)
J1006
J1007
(GTN 750 ONLY)
J1008
(GTN 750 ONLY)

Figure 2-3 GTN 725/750 Block Diagram

LAT DEVIATION & FLAGS
TO/FROM
VERT DEVIATION & FLAGS
SUPERFLAGS
MAIN OBS
ARINC 429 IN
DISCRETES
SWITCHES
ANNUNCIATORS
RS-232 OUT
RS-232 IN
RS-232 OUT
ETHERNET IN
ETHERNET OUT
COM MIC AUDIO
COM REMOTE TRANSFER
COM REMOTE TUNE UP
COM REMOTE TUNE DOWN
LAT DEVIATION & FLAGS
TO/FROM
VERT DEVIATION & FLAGS
SUPERFLAGS
VOR OBS
VLOC COMPOSITE OUT
NAV ILS ENERGIZE
SERIAL DME CLOCK/DATA
DME REQUEST COMMON
NAV REMOTE TRANSFER
GTN 725/750 Maintenance Manual
MAIN CDI/HSI
(GPS/VOR/ILS)
TRAFFIC
SWITCHES/
ANNUNCIATORS
EXTERNAL MAP
DISPLAY
TRANSPONDER
OTHER GARMIN LRUs
MICROPHONE
COM REMOTE TRANSFER SWITCH
COM REMOTE TUNE
SWITCHES
CDI/HSI
(VOR/ILS ONLY)
KING SERIAL
TUNED DME
NAV REMOTE TRANSFER SWITCH
GPS/SBAS ANTENNA
COM ANTENNA
NAV ANTENNA
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