L3 FA5000 Component Maintenance Manual With Illustrated Parts List

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 tristate 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
tristate 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 –
Aside. 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.

L3 FA5000 Specifications

General

Brand	L3
Model	FA5000
Category	Voice Recorder
Language	English