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TABLE 5-6. OPERATIONALLY BASED FAULT SYMPTOM CHART
BOARD/MODULE PROBABLY FAULT
FAULT
Al
A2 A3 A4 A5 A6 A6AI A7 AS A9 AIO
COMMENTS
SYMPTOMS
Check Module Board According to
Numbe~
Order
& NOTES
Unable to energize·
1
Check Power Supply
Receiver
MODE 'LCOs blank
2
PC wafer in wrong
:
mostly .zeros in .
position,
..
F req uency LCD-
A6A2
Unable to estab-
1
2
A6A2, A9
Ush LOCAL operat-
ing condition
FAULT LED
1
2
Synthesizer failure,
illuminated
A7, A8, S2 switch in
wrong position
BITE error code
See BITE error
display
code chart
Unable to exit
2
1
A9,A6A2
LOCK Mode
>Io manual tuning
1
A9
~o
meter level
.,
1
A4,Al
"-
indication in
AF or RF
>Io Judio output
1
A4
~o
Judio
o~tput
1
A5
ISB only
Unable to adjust
1
A4
Line Level Out
5-32
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