L3 FA5000 Component Maintenance Manual With Illustrated Parts List page 120

Table 205. Main Processor Troubleshooting Chart (Continued)
Item Function Type
ID
Watch Dog Timer;
ARINC 429 RX/TX; Dis-
crete I/Ps and O/Ps;
FDR Data; Frequency
Counter; CSMU Inter-
face; Power Supply
Status
A003 Watch Dog Timer;
−
ARINC 429 RX/TX; Dis-
CSMU crete I/Ps and O/Ps;
Inter- FDR Data; Frequency
face Counter; CSMU Inter-
face; Power Supply
Status; ARINC 717;
RS422
Watch Dog Timer;
ARINC 429 RX/TX; Dis-
crete I/Ps and O/Ps;
FDR Data; Frequency
Counter; CSMU Inter-
face; Power Supply
Status; ARINC 717;
RS422
Watch Dog Timer;
ARINC 429 RX/TX; Dis-
crete I/Ps and O/Ps;
FDR Data; Frequency
Counter; CSMU Inter-
face; Power Supply
Status; ARINC 717;
RS422
A004 Non−Volatile Memory:
−
Configuration and Error
Memor Log
y
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OM
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AVIATION RECORDERS
COMPONENT MAINTENANCE MANUAL
Model FA5000
Failure Local Effect
Mode
Single Event The FPGA ini-
Upset (SEU) tially does not
operate: It is in
an undeter-
mined condi-
tion
Over/Under The CSMU In-
Voltage terface fails:
The DSP and
FPGA internal
resources/re-
gisters are un-
able to com-
municate with
the CSMU
Incorrect O/P The CSMU In-
terface fails:
The DSP and
FPGA internal
resources/re-
gisters are un-
able to com-
municate with
the CSMU
Single Event The CSMU ini-
Upset (SEU) tially does not
operate
Loss of The SEEP-
Power ROM fails: Un-
able to stores
errors, identify
location, part
number, MAC
Address, or
perform Time
Sharing
Next Effect End Effect
The MP PWA The CVDR initially does not oper-
initially does ate: some data may be corrupt,
not operate lost and/or may not be recorded,
stored or copied NOTE: The cor-
rupted FPGA data is erased and
replaced
The MP PWA The CVDR fails to operate
fails to operate
The MP PWA The CVDR fails to operate
fails to operate
The MP PWA The CVDR initially does not
initially does operate: some data may be
not operate corrupt, lost and/or may not be
recorded, stored or copied
NOTE: The DSP and the
FPGA's internal resources/re-
gisters reset and communica-
tion is re−restablished with the
CSMU
The MP PWA The CVDR PWA fails to oper-
fails to operate ate
23–70−40
FDR Function Testing & Fault Isolation
Rev. 03 Page 224
Rev.04 Page 224
Feb. 27/13
Mar. 21/14