Agilent Technologies 4349B - Check Procedure References; Check 1, DC-DC Converter Output Voltage; DC-DC Converter Output Voltage Check; DC-DC Converter Output Voltages (Connected)

Check
Procedure
References
Refer
to
the
corresponding
check
procedure
.
Each
check
procedure
is numbered
the same
as in
Figure
4-7
for
quick
reference
.
Check
1,
DC-DC
Converter
Output
V
oltage
1.
Remove
the
cover
referring
to
\Cover
Removal"
in
Chapter
3.
2.
Turn
on
the
4349B
.
3.
Using
a
multimeter
,
check
to
see
if the
voltages between
the test
pins
(TP
s),
shown
in
T
able
4-1
,
on
A1
Main
Board
Assembly are
in the
ranges shown
in
T
able
4-1
.
4.
If
passed,
proceed
to
\Check
2,
LCD
Displays Anything?",
otherwise proceed
to \Check
9,
Fuse
and
Line
Switch
".
Figure 4-8. DC-DC Converter Output V
oltage Check
Table 4-1. DC-DC Converter Output V
oltages (Connected)
Test Pin (+) T
est Pin (
0 ) Range
11 15 5.1 6 0.2 V
13 15 12 6 0.6 V
14 15 0 12 6 0.6 V
Troubleshooting 4-11