Agilent Technologies 4263B LCR User Manual

Check
Procedure
References
Refer
to
the
corresponding
check
procedure
.
Each
check
procedure
is numbered
the same
as in
Figure
4-10
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
4263B
.
3.
Using
a
multimeter
,
check
to see
if the
voltages between
the test
pads
and
the
ground
(TP500)
on
A1
Main
Board
Assembly
shown in
Figure 4-11
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 4-11. DC-DC Converter Output V
oltage Check
Table 4-1. DC-DC Converter Output V
oltage (Connected)
Test Pad (+) T
est Pin (
0 ) Range
\+5 V" 500 5.1 6 0.2 V
\+12 V" 500 12 6 0.6 V
\ 0 12 V" 500 0 12 6 0.6 V
Troubleshooting 4-13

Agilent Technologies 4263B LCR Specifications

General

Brand	Agilent Technologies
Model	4263B LCR
Category	Measuring Instruments
Language	English