Agilent Technologies 4349B - Setting the Contact Check Function

Check
12, Transformer
Secondary V
oltage
1.
Turn o
the
4349B
.
2.
Disconnect the
transformer
secondary
connector
from
connector
\J18"
on
the
A1
Main
Board
Assembly.
Refer
to
Figure
4-13
for
the
connector
location.
3.
Turn the
4349B on.
4.
Using
a
multimeter
,
check
if
the
transformer
secondary
voltage
is
between
13
Vand
17 V
ac.
5.
If
passed,
replace
the
A1
Main
Board,
otherwise
replace
the
transformer
.
Figure
4-13.
Transformer
Secondary
V
oltage
Check
Troubleshooting 4-17