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5.
Check
A3/A13
Source
P
erform
the
following
steps
to
conrm
the
A3/A13
Source
by
using
the
DC
BUS
function.
1.
Make
an
OPEN
condition
at
both
DC
POWER
and
DC
CONTROL
connectors
.
2.
P
erform
the
following
steps
to
check
the
DC-DC
Converter
on
the
A13.
a.
Press
4
Preset
5 ,
4
System
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SERVICE
MENU
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SERVICE
MODES
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BUS
MEAS
[OFF]
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DC
BUS
[OFF]
,
4
2
5 ,
4
0
5 ,
4
x1
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BUS
MEAS
on
OFF
.
Conrm
that
the
marker
reading
value
on
the
upper
right
corner
is
2.0
U
6
0.2
U
.
Record
the
result
(pass
or
fail)
as
RESUL
T(20).
b.
Press
4
2
5 ,
4
1
5 ,
4
x1
5 .
Conrm
that
the
marker
reading
value
is
-0.5
U
6
0.05
U
.
Record
the
result
(pass
or
fail)
as
RESUL
T(21).
c.
Press
4
2
5 ,
4
2
5 ,
4
x1
5 .
Conrm
that
the
marker
reading
value
is
+2.5
U
6
0.2
U
.
Record
the
result
(pass
or
fail)
as
RESUL
T(22).
d.
Press
4
2
5 ,
4
3
5 ,
4
x1
5 .
Conrm
that
the
marker
reading
value
is
-0.5
U
6
0.05
U
.
Record
the
result
(pass
or
fail)
as
RESUL
T(23).
3.
P
erform
the
following
steps
to
check
the
DC
power
function
via
DC
BUS.
a.
Press
4
Preset
5 ,
4
System
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SERVICE
MENU
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SERVICE
MODES
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CORRECTION
CONSTANTS
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DCPOW
VOLT
ON
off
so
as
not
to
activate
the
DC
POWER
Output
Correction
Constants
.
b.
Press
4
System
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SERVICE
MENU
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SERVICE
MODES
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BUS
MEAS
[OFF]
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DC
BUS
[OFF]
,
4
2
5 ,
4
4
5 ,
4
x1
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BUS
MEAS
on
OFF
to
select
the
24:
[A3]
DC
POWER.
c.
Press
4
DC
Pow
er
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
POWER
VOLTAGE
,
4
0
5 ,
4
x1
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
OUTPUT
on
OFF
.
Conrm
that
the
marker
reading
value
on
the
upper
right
corner
is
0
U
6
0.01
U
.
Record
the
result
(pass
or
fail)
as
RESUL
T(24(0)).
d.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
POWER
VOLTAGE
,
4
1
5 ,
4
5
5 ,
4
x1
5 .
Conrm
that
the
marker
reading
value
is
1.5
U
6
0.1
U
.
Record
the
result
(pass
or
fail)
as
RESUL
T(24(15)).
4.
P
erform
the
following
steps
to
check
the
DC
control
function
via
DC
BUS.
a.
Press
4
Preset
5 ,
4
System
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SERVICE
MENU
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SERVICE
MODES
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CORRECTION
CONSTANTS
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DCCTL
VOLT
ON
off
so
as
not
to
activate
the
DC
CONTROL
output
voltage
Correction
Constants
.
b.
Press
4
System
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SERVICE
MENU
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SERVICE
MODES
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BUS
MEAS
[OFF]
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DC
BUS
[OFF]
,
4
2
5 ,
4
5
5 ,
4
x1
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
BUS
MEAS
on
OFF
to
select
the
25:
[A3]
DC
CONTROL.
c.
Press
4
DC
Control
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CTRL
VOLTAGE
,
4
0
5 ,
4
x1
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
OUTPUT
ON
off
.
Conrm
that
the
marker
reading
value
on
the
upper
right
corner
is
0
U
6
0.01
U
.
Record
the
result
(pass
or
fail)
as
RESUL
T(25(0)).
d.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CTRL
VOLTAGE
,
4
2
5 ,
4
0
5 ,
4
x1
5 .
Conrm
that
the
marker
reading
value
is
2.0
U
6
0.1
U
.
Record
the
result
(pass
or
fail)
as
RESUL
T(25(20)).
5.
Decide
which
assembly
is
faulty
according
to
the
following
guideline
.
If
all
results
(RESUL
T(20)
through
RESUL
T
(25(20)))
are
\P
ASS",
replace
the
A60
DC
Source
LPF
assembly
.
If
one
or
more
results
are
\F
AIL",
replace
the
A13
source
assembly
.
Source
Group
T
roubleshooting
7-7
Summary of Contents for 4352B
Page 11: ......
Page 31: ......
Page 73: ......
Page 80: ...Figure 3 4 List Box Menu Adjustments and Correction Constants 3 7 ...
Page 82: ...Figure 3 6 Reference Frequency Adjustment Location Adjustments and Correction Constants 3 9 ...
Page 85: ...Figure 3 9 Third IF AMP GAIN Adjustment Location 3 12 Adjustments and Correction Constants ...
Page 103: ...Figure 4 1 Troubleshooting Organization 4 2 Overall T roubleshooting ...
Page 113: ......
Page 130: ...Figure 5 11 Power Supply Block Diagram 1 Power Supply T roubleshooting 5 17 ...
Page 131: ...Figure 5 12 Power Supply Block Diagram 2 5 18 Power Supply T roubleshooting ...
Page 132: ...Figure 5 13 Power Supply Block Diagram 3 Power Supply T roubleshooting 5 19 ...
Page 133: ......
Page 135: ...Figure 6 1 Digital Control Group Simpli ed Block Diagram 6 2 Digital Control T roubleshooting ...
Page 146: ...Figure 7 2 Source Group Troubleshooting Flow Source Group T roubleshooting 7 3 ...
Page 154: ...Figure 8 2 Receiver Group Troubleshooting Flow Receiver Group T roubleshooting 8 3 ...
Page 198: ...Figure 10 1 Power Supply Functional Group Simpli ed Block Diagram Theory of Operation 10 3 ...
Page 203: ...Figure 10 3 Digital Control Group Simpli ed Block Diagram 10 8 Theory of Operation ...
Page 269: ......
Page 272: ...Figure B 1 Power Cable Supplied Power Requirement B 3 ...
Page 273: ......