Agilent Technologies 4395A Service Manual

yyy
:
Most
suspicious
assem
bly
and
should
b
e
c
heck
ed repalced.
yy
: Suspicious
assembly
and should
be
chec
k
ed.
y
:
There
is
some
p
ossibilit
y
of a
fault.
External
Tests
Failure
Troubleshooting
If y
ou can't
identify
the fault
y
assem
bly
using
the
in
ternal
tests,
y
ou
can
execute
the
external
tests
in
addition
to
the
in
ternal
tests.
These
external
tests
are
also
built-in
tests
and
10 tests
are
a
v
ailable
in
the
4395A
service mo
de. Refer
to the
Table
6-2
to
kno
w
whic
h
assem
bly
is
probable fault
yand
should b
e
replaced.
T
o execute
the external
tests,
p
erform
the
follo
wing
pro
cedures.
a.
Press
4
PRESET
5
,
4
SYSTEM
5
,
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
SERVICE
TESTS
. Pressing
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
EXTERNAL
TESTS
jumps to
the rst
test
external
test,
test:50 FR
ONT P
ANEL
DIA
G.
b. Select
the
test
using
the
RPG
knob,
4
*
5 ,
4
+
5 k
eys
or
ENTR
Y
k
eys.
c.
Press
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
EXECUTE
TEST
to
execute
the
sp
ecify
ed test.
d.
W
ait
un
til the
test result,
P
ASS
or
F
AIL,
is
displa
y
ed.
T
able
6-2.
Troubleshooting
Information
for
External
T
est
F
ailure
T
est
No.
F
ailed
T
est
Probable
F
ault
y
Assem
bly
A1
A20
A30
A32
A33
A40
A50
A51
A2
A3 A5
A7
A8
A9
50 FR
ONT
P
ANEL
DIA
G
yy
y
y
51 DSK
DR
F
A
UL
T
ISOL'N
yy
y
y
52 24
BIT
I/O
POR
T
yy
y
y
53 NA
SR
C
TO
R
y
y
yy
y
yy
yy
yy
54 NA
SR
C
TO
A
y
y
yy
y
yy
yy
yy
55 NA
AR
RA
TIO
y
y
yy
y
yy
yy
yy
56 NA
SR
C
TO
B
y
y
yy
y
yy
yy
yy
57 NA
BR
RA
TIO
y
y
yy
y
yy
yy
yy
58 SA
LEVEL
y
y
y
yy
yy
yy
59 SA
PHASE
NOISE
y
y
yy
y
y
y
yy : Most suspicious assem
bly and should b e replaced.
y : Suspicious assem
bly and should b e c
heck
ed.
6-8 Troubleshooting

Agilent Technologies 4395A Specifications

General

Brand	Agilent Technologies
Model	4395A
Category	Measuring Instruments
Language	English