COMPONENT MAINTENANCE MANUAL
AVIATION RECORDERS
Model FA5000
Rev. 03 Page 231
Feb. 27/13
FDR Function Testing & Fault Isolation
23–70
−
40
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Table 205. Main Processor Troubleshooting Chart (Continued)
Item
ID
Function Type
Failure
Mode
Local Effect
Next Effect
End Effect
G023
−
UART
1 GSE
UART1 TxD
The UART1
TxD GSE is
open
There is no
communication
between the
UART1 and
the front panel
RJ
−
45 GSE
port
The MP PWA
has no GSE
capability
Communication is disrupted
with the GSE
UART1 TxD
The UART1
TxD GSE is
shorted
There is no
communication
between the
UART1 and
the front panel
RJ
−
45 GSE
port
The MP PWA
has no GSE
capability
Communication is disrupted
with the GSE
G024
−
UART
1 GSE
UART1 RxD
The UART1
RxD GSE is
open
There is no
communication
between the
UART1 and
the front panel
RJ
−
45 GSE
port
The MP PWA
has no GSE
capability
Communication is disrupted
with the GSE
UART1 RxD
The UART1
RxD GSE is
shorted
There is no
communication
between the
UART1 and
the front panel
RJ
−
45 GSE
port
The MP PWA
has no GSE
capability
Communication is disrupted
with the GSE
G025
−
UART
0
RIPS
UART0 TxD
The UART0
TxD RIPS is
open
There is no
communication
between the
UART0 and
the internal
RIPS
The MP PWA
has no RIPS
capability
Communication is disrupted
with the RIPS
UART0 TxD
The UART0
TxD RIPS is
shorted
There is no
communication
between the
UART0 and
the internal
RIPS
The MP PWA
has no RIPS
capability
Communication is disrupted
with the RIPS
G0256
−
UART
0
RIPS
UART0 rxD
The UART0
RxD RIPS is
open
There is no
communication
between the
UART0 and
the internal
RIPS
The MP PWA
has no RIPS
capability
Communication is disrupted
with the RIPS
Rev.04 Page 231
Mar. 21/14
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