L3 FA5000 Component Maintenance Manual With Illustrated Parts List page 115

Table 204. Aircraft Interface Troubleshooting Chart (Continued)
Pin Signal Type
ID
27 ARINC 429
O/P (­)
28 ARINC 429
O/P (+)
28 ARINC 429
O/P (+)
29 Discrete
29 Discrete
30 Discrete
30 Discrete
31 Ground
31 Ground
32 Differential
ARINC429 (­)
32 Differential
ARINC429 (­)
33 Differential
ARINC717 (­)
33 Differential
ARINC717 (­)
34 Differential
ARINC717 (­)
Use or disclosure of information on this sheet is subject to
The document reference is online, please check the correspondence between the online documentation and the printed version. the restrictions on the cover page of this document.
AVIATION RECORDERS
COMPONENT MAINTENANCE MANUAL
Model FA5000
Signal Function Failure Mode
ARINC 429 Output The signal path is
Low shorted
ARINC 429 Output The signal path is
High open
ARINC 429 Output The signal path is
High shorted
FDR Input Data Rate The signal path is
Program A open
FDR Input Data Rate The signal path is
Program A shorted
FDR Input Data Rate The signal path is
Program B open
FDR Input Data Rate The signal path is
Program B shorted
Res Area Microphone The signal path is
Power Shield Ground open
Res Area Microphone The signal path is
Power Shield Ground shorted
ARINC 429 Input Low The signal path is
open
ARINC 429 Input Low The signal path is
shorted
FDR Data Input The signal path is
ARINC 717 Low open
FDR Data Input The signal path is
ARINC 717 Low shorted
FDR Data Output The signal path is
ARINC 717 Low open
Local Effect
Loss of ability to record
ARINC 429 Low signal
data
Loss of ability to record
ARINC 429 High signal
data
Loss of ability to record
ARINC 429 High signal
data
Only 64, 128 or 1024
Wps rates available
Only 256 or 512 Wps
rates available
Only 64, 256 or 1024
Wps rates are available
Only 128 and 512 Wps
rates are available
No Effect
No Effect
Loss of ability to record
ARINC 429 Low signal
data
Loss of ability to record
ARINC 429 Low signal
data
Loss of ability to ac­
quire coherent FDR
Data Input (ARINC 717
Low)
Loss of ability to ac­
quire coherent FDR
Data Input (ARINC 717
Low)
Disrupted FDR Data
Output (ARINC 717
Low) echoed back to
FDAU
23–70−40
FDR Function Testing & Fault Isolation
Rev. 03 Page 219
Rev.04 Page 219
End Effect
Unable to record
ARINC 429 Low signal
data
Unable to record
ARINC 429 High signal
data
Unable to record
ARINC 429 High signal
data
The Main Processor
may generate an FDR
fault depending upon
the rate
The Main Processor
may generate an FDR
fault depending upon
the rate
The Main Processor
may generate an FDR
fault depending upon
the rate
The Main Processor
may generate an FDR
fault depending upon
the rate
No Effect
No Effect
Unable to record
ARINC 429 Low signal
data
Unable to record
ARINC 429 Low signal
data
Unable to record good
ARINC 717 data input
from the Main Pro­
cessor
Unable to record good
ARINC 717 data input
from the Main Pro­
cessor
Disrupted FDR Data
Output (ARINC 717
Low) echoed back to
FDAU
Feb. 27/13
Mar. 21/14