L3 FA5000 Component Maintenance Manual With Illustrated Parts List

COMPONENT MAINTENANCE MANUAL
AVIATION RECORDERS
Model FA5000
Rev. 03 Page 233
Feb. 27/13
FDR Function Testing & Fault Isolation
23–70−40
Use or disclosure of information on this sheet is subject to
the restrictions on the cover page of this document.
Table 205. Main Processor Troubleshooting Chart (Continued)
Item
ID
Function Type Failure
Mode
Local Effect Next Effect End Effect
Differential ARINC757
(−)
Data I/P LO
is shorted
Loss of ability
to acquire co-
herent FDR
Data Input
(ARINC 757
Low)
Unable to re-
cord good
ARINC 757
data input from
the FPGA
Unable to record good ARINC
757 data input from the FPGA
K031
− FDR
Data
Out HI
Differential ARINC757
(+)
Data 0/P HI
is open
Disrupted FDR
Data Output
(ARINC 717
High) echoed
back to the AI
PWA
Disrupted FDR
Data Output
(ARINC 717
High) echoed
back to the AI
PWA
Disrupted FDR Data Output
(ARINC 717 High) echoed
back to the AI PWA
Differential ARINC757
(+)
Data O/P HI
is shorted
Disrupted FDR
Data Output
(ARINC 717
High) echoed
back to the AI
PWA
Disrupted FDR
Data Output
(ARINC 717
High) echoed
back to the AI
PWA
Disrupted FDR Data Output
(ARINC 717 High) echoed
back to the AI PWA
K032
− FDR
Data
Out
LO
Differential ARINC757
(−)
Data 0/P LO
is open
Disrupted FDR
Data Output
(ARINC 717
Low) echoed
back to the AI
PWA
Disrupted FDR
Data Output
(ARINC 717
Low) echoed
back to the AI
PWA
Disrupted FDR Data Output
(ARINC 717 Low) echoed back
to the AI PWA
Differential ARINC757
(−)
Data O/P LO
is shorted
Disrupted FDR
Data Output
(ARINC 717
Low) echoed
back to the AI
PWA
Disrupted FDR
Data Output
(ARINC 717
Low) echoed
back to the AI
PWA
Disrupted FDR Data Output
(ARINC 717 Low) echoed back
to the AI PWA
K033
− Ro-
tor
Speed
In HI
Differential Analog (+) Rotor Speed
I/P HI is
open
Rotor Speed
High signal
data is disrup-
ted
Unable to re-
cord Rotor
Speed
Unable to record Rotor Speed
Differential Analog (+) Rotor Speed
I/P HI is
shorted
Rotor Speed
High signal
data is disrup-
ted
Unable to re-
cord Rotor
Speed
Unable to record Rotor Speed
K033
− Ro-
tor
Speed
In LO
Differential Analog (−) Rotor Speed
I/P LO is
open
Rotor Speed
Low signal
data is disrup-
ted
Unable to re-
cord Rotor
Speed
Unable to record Rotor Speed
Differential Analog (−) Rotor Speed
I/P LO is
shorted
Rotor Speed
Low signal
data is disrup-
ted
Unable to re-
cord Rotor
Speed
Unable to record Rotor Speed
Rev.04 Page 233
Mar. 21/14
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