HP 8753D Option 011

4 MHz
Reference Signal
This
reference signal
is used
to con
trol the
receiv
er.
If
fault
y
,
this
signal
can
cause
apparen
t
source
problems
b
ecause
the
CPU
uses
receiv
er
data
to
control
the source.
At
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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