![Agilent Technologies 4395A Service Manual Download Page 17](http://html.mh-extra.com/html/agilent-technologies/4395a/4395a_service-manual_2867898017.webp)
Required
Equipmen
t
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5-27
Pro
cedure
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5-27
13.
Receiv
er
A
tten
uator
Adjustmen
t
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5-29
Required
Equipmen
t
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5-29
Pro
cedure
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5-29
14.
IF
BPF
Flatness
Adjustmen
t
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5-30
Required
Equipmen
t
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5-30
Pro
cedure
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5-30
15.
DC
Bias
Adjustmen
t
(Option
010)
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5-31
Required
Equipmen
t
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5-31
Pro
cedure
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5-31
6.
T
roublesho oting
INTR
ODUCTION
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-1
TR
OUBLESHOOTING
SUMMAR
Y
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-1
ST
AR
T
HERE
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-3
INSPECT
THE
PO
WER
ON
SEQUENCE
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-4
Chec
k
the
F
an
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-4
Chec
k
the
F
ron
t
P
anel
LEDs
and
Displa
ys
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-4
Chec
k
Error
Message
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-4
INSPECT
THE
REAR
P
ANEL
FEA
TURE
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-5
Chec
k
the
GPIB
In
terface
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-5
Chec
k
the
P
arallel
In
terface
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-5
Chec
k
the
mini
DIN
Keyb oard
Connector
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-5
In
ternal
T
ests
F
ailure
T
roublesho oting
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-6
Chec
k
the
P
o
w
er-On
Selftest
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-6
Execute
All
In
ternal
T
ests
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-6
Execute
the
Individual
T
est
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-6
External
T
ests
F
ailure
T
roublesho oting
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-8
P
erformance
T
ests
F
ailure
T
roublesho oting
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
6-9
P
erform
Adjustmen
ts
and
Correction
Constants
.
.
.
.
.
.
.
.
.
.
.
.
.
6-9
7.
P
o
w
er
Supply
T
roublesho oting
INTR
ODUCTION
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
7-1
ST
AR
T
HERE
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
7-3
1.
Chec
k
the
F
an
is
Rotating
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
7-3
2.
Chec
k
the
A50
SHUTDO
WN
LED
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
7-3
A50
Sh
utdo
wn
LED
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
7-4
3.
Chec
k
the
A1
+5
VD
LED
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
7-4
Measure
the
A1
+5
VD
V
oltage
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
7-5
FIND
OUT
WHY
THE
F
AN
IS
NOT
R
OT
A
TING
.
.
.
.
.
.
.
.
.
.
.
.
7-6
1.
Chec
k
the
Line
V
oltage,
Selector
Switch
Setting,
and
F
use
.
.
.
.
.
.
.
7-6
2.
Chec
k
the
A50
SHUTDO
WN
LED
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
7-6
FIND
OUT
WHY
THE
A50
SHUTDO
WN
LED
IS
OFF
.
.
.
.
.
.
.
.
.
7-7
1.
Disconnect
the
Cable
from
the
A1J10
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
7-7
2.
Remo
v
e
Assem
blies
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
7-7
3.
Disconnect
the
Cable
from
the
A9J2
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
7-7
FIND
OUT
WHY
THE
A1
+5
VD
LED
IS
NOT
ON
STEADIL
Y
.
.
.
.
.
7-9
1.
Chec
k
the
A40
Pre-Regulator
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
7-9
2.
Chec
k
the
A50
DC-DC
Con
v
erter
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
7-9
3.
Disconnect
Cables
on
the
A1
CPU
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
7-10
Contents-7
Summary of Contents for 4395A
Page 10: ......
Page 26: ......
Page 34: ......
Page 77: ...Figure 2 17 B R Magnitude Ratio Phase Dynamic Accuracy Test Setup 2 Performance Tests 2 43 ...
Page 167: ...Figure 5 1 Adjustment Hardware Setup Adjustments 5 5 ...
Page 186: ...Figure 5 13 Receiver Gain Adjustment Location 5 24 Adjustments ...
Page 190: ...Figure 5 16 Receiver Flatness Adjustment Setup 1 MHz 5 28 Adjustments ...
Page 194: ...Figure 5 20 DC Bias Adjustment Setup 2 5 32 Adjustments ...
Page 196: ...Figure 6 1 Troubleshooting Organization 6 2 Troubleshooting ...
Page 206: ...Figure 7 1 Power Supply Lines Simplified Block Diagram 7 2 Power Supply Troubleshooting ...
Page 212: ...Figure 7 5 A1 CPU Connector Locations 7 8 Power Supply Troubleshooting ...
Page 220: ...Figure 8 1 Digital Control Group Simplified Block Diagram 8 2 Digital Control Troubleshooting ...
Page 240: ...Figure 10 1 Top View Major Assemblies 10 4 Replaceable Parts ...
Page 292: ...Table A 2 Manual Changes by Firmware Version Version Make Manual Changes A 2 Manual Changes ...
Page 308: ......
Page 311: ...Figure B 1 Power Cable Supplied Power Requirement B 3 ...
Page 312: ......
Page 342: ......