Agilent Technologies 4263B LCR - Check 11, DC-DC Converter Open Output Voltages

Check
11, DC-DC
Converter Open
Output
V
oltages
1.
Turn o
the
4263B
.
2.
Disconnect the
DC-DC
Converter
Output
Cable
shown
in
Figure
4-15
from
connector
\J504"
on
the A1
Main
Board
Assembly
.
3.
Turn the
4263B
on.
4.
Using
the
multimeter
,
check
if
the
DC-DC
Converter
open
output
voltages
on
the output
connector
pins
shown
in
Figure
4-15
are
in
the
ranges
shown
in
T
able
4-2.
5.
If
passed,
replace
the
A1
Main
Board
Assembly
,
otherwise
replace
the
DC-DC
Converter
Assembly
.
Figure
4-15.
DC-DC
Converter
Output
Connector
T
able
4-2.
DC-DC
Converter Open
Output V
oltages
Pin
(+)
Pin
(
0
)
V
oltage Range
1
2
5.1
6
0.2
V
4 3 12 6 0.6 V
5 3 0 12 6 0.6 V
4-18 Troubleshooting