
4
MHz
Reference
Signal
This
reference
signal
is
used
to
con
trol
the
receiv
er.
If
faulty
,
this
signal
can
cause
apparen
t
source
problems
b ecause
the
CPU
uses
receiv
er
data
to
con
trol
the
source.
A
t
A12TP9
it
should
app ear
similar
to
Figure
7-12.
Figure
REFS7
here.
Figure
7-12.
4
MHz
Reference
Signal
at
A12TP9
(Preset)
7-18
Source
Troubleshooting
DRAFT
3/21/106
15:13
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