L3 FA5000 User Manual

COMPONENT MAINTENANCE MANUAL
AVIATION PRODUCTS
Model FA5000
Rev. 02 Page 139
July 21/17
Testing & Fault Isolation
23–70−30
Use or disclosure of information on this sheet is subject to
the restrictions on the cover page of this document.
8. MAIN PROCESSOR
Table 103. Main Processor Troubleshooting Chart
Item
ID
Function Type Failure
Mode
Local Effect Next Effect End Effect
A001 −
DSP
Watch Dog Timer;
ARINC 429 RX/TX; Did-
crete I/Ps and O/Ps;
FDR Data; Frequency
Counter; CSMU Inter-
face; Power Supply
Status
Over/Under
Voltage
The DSP fails:
No program
execution or
storage;
FPGA, all re-
gisters and all
interfaces fail
The MP PWA
fails to operate
The CVDR fails to operate
Watch Dog Timer;
ARINC 429 RX/TX; Did-
crete I/Ps and O/Ps;
FDR Data; Frequency
Counter; CSMU Inter-
face; Power Supply
Status
Incorrect O/P The DSP fails:
No program
execution or
storage;
FPGA, all re-
gisters and all
interfaces fail
The MP PWA
fails to operate
The CVDR fails to operate
Watch Dog Timer;
ARINC 429 RX/TX; Did-
crete I/Ps and O/Ps;
FDR Data; Frequency
Counter; CSMU Inter-
face; Power Supply
Status
Single Event
Upset (SEU)
The DSP ini-
tially does not
operate
The MP PWA
initially does
not operate
The CVDR initially does not op-
erate: some data may be cor-
rupt, lost and/or may not be re-
corded, stored or copied
NOTE: After the Watch Dog
Timer has timed out, it forces
the system to reset
A002 −
FPGA
Watch Dog Timer;
ARINC 429 RX/TX; Did-
crete I/Ps and O/Ps;
FDR Data; Frequency
Counter; CSMU Inter-
face; Power Supply
Status
Over/Under
Voltage
The FPGA
fails: The sys-
tem is unable
to reboot
The MP PWA
fails to operate
The CVDR fails to operate
Watch Dog Timer;
ARINC 429 RX/TX; Did-
crete I/Ps and O/Ps;
FDR Data; Frequency
Counter; CSMU Inter-
face; Power Supply
Status
Incorrect O/P The FPGA
fails: The sys-
tem is unable
to reboot
The MP PWA
fails to operate
The CVDR fails to operate
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