COMPONENT MAINTENANCE MANUAL
AVIATION RECORDERS
Model FA5000
Initital Issue Page 8
Sep. 30/11
Description and Operation
23–70
−
40
Use or disclosure of information on this sheet is subject to
the restrictions on the cover page of this document.
H2
Analog_Audio_Return1
Differential analog input. Channel 1 au
dio, line low. Referenced to the Signal
Ground.
G1
Analog_Audio_Input2
I
Differential analog input. Channel 2 au
dio input, line high. Referenced to the
Signal Ground.
G2
Analog_Audio_Return2
Differential analog input. Channel 2 au
dio input, line low. Referenced to the Sig
nal Ground.
F1
Analog_Audio_Input3
I
Differential analog input. Channel 3 au
dio input, line high. Referenced to the
Signal Ground.
F2
Analog_Audio_Return3
Differential analog input. Channel 3 au
dio, line low. Referenced to the Signal
Ground.
D1
Analog_Audio_Input4
I
Unused. Differential analog input, line
high. Referenced to the Signal Ground.
Not used in the FA5000, circuitry not
populated on AI PWA. Floating input
configuration is accommodated by soft
ware programmed tristate capability
within the Audio CODEC.
D2
Analog_Audio_Return4
Unused. Differential analog input, line
low. Referenced to the Signal Ground.
Not used in the FA5001, circuitry not
populated on AI PWA. Floating input
configuration is accommodated by
tristate capability within the Audio CO
DEC.
B1
Area_Microphone_Power
O
+18.5 volts DC, diode isolated and 30mA
current limited power. This output is in
parallel with the PreAmplifier_Power.
Referenced to the Signal Ground.
E1
Analog_AreaMIC_Au
dio_HI_Input4
I
Differential analog input. Cockpit Area
Microphone audio input, line high. Refer
enced to the Signal Ground.
E2
Analog_AreaMIC_Au
dio_LO_Input4
I
Differential analog input. Cockpit Area
Microphone audio input, line low. Refer
enced to the Signal Ground.
C1
Audio_Monitor_Output_Hi
O
Audio monitor output. Referenced to the
Signal Ground.
D7
ARINC429_RCV_A1
I
Standard ARINC 429 differential input –
Aside. Assigned to ATC Digital Input.
Referenced to the Signal Ground.
The document reference is online, please check the correspondence between the online documentation and the printed version.