56
User’s and Service Guide U3047-90001
U3047AM12
Service Information
Figure 47
Electrical Block Diagram
PS1
6
50W
DC
Power
S
upply
Test
Set
C
ontrol
Bd.
PCB
1
12
/
1
5vdc
S10
-12
/
-15vdc
+28vdc
3/5
v
d
c
Switch
Interface
Bd.
PCB2
Test Set
Interface
Pass Thru
Interface
J1
J4
J2
J3
J9
Ext. DUT
Control
J11
J12
J14
J13
AC
Line
Filter
Assy
FS2
–
FS3
AC IN
J10
S11
J11
S12
J12
S13
S
14
S15
S
20
S21
J101
J100
JTAG
P1
J102
JTAG
Active
O
N
LED
(Frt.Pnl)
J16
J5
FAN
J15
Std.By
FS1
AC
IN
*
**
PCB7
Ports
8
,12,16
LED
(Frt.Pnl)
J6
J7
J8
PCB6
Ports
7
,
1
1,
15
LED
(Frt.Pnl)
PCB5
Ports
6
,
1
0,
14
LED
(Frt.Pnl)
PCB4
Ports
5
,
9
,13
L
ED
(Frt.Pnl)
S22
S
23
S24
S
25
S30
S
31
S32
S
33
S35
S
46
S41
S
42
S43
S
44
S45
S34
J13
J
14
J15
J
20
J21
J
22
J23
J
24
J25
J30
J
31
J32
J33
J
34
J35
J46
J41
J
42
J43
J
44
J45
Agilent
T
echnologies
U3047AM12
12-Port
T
est
S
et
10MHz
–
67GHz
Front
P
anel
Active
9/-
1
0
v
d
c
N.C.
To
RF
Switches
Signal
Path
Name
Test
Set
P
ort
G
roup
-----
Source
-----
-----------
7
–
11
–
15
-----------
----
R
eceiver
----
-----
Source
-----
-----------
8
–
12
–
16
-----------
----
R
eceiver
----
Ext
Control
Bd.
PCB3
(5,
1
5,
-15vdc)
(3,
5
,
-12,
1
5,
-15
V
dc)
-12 Vdc
(5 Vdc)
(3,
5
,
1
5,
-15,
24
Vdc)
NOTES:
*
The
d
c
v
oltages
s
hown,
a
re
functionally
used
by
this
part.
**
On
board
programmed
Device.
*
**
*
*
*
*
(5 Vdc)
*
(5 Vdc)
*
(5 Vdc)
*
(5 Vdc)
S47
J47
S40
J40
J37
S37
S36
J36
S27
J27
S26
J26
S16
J16
S17
J17
-----
Source
-----
-----------
5
–
9
–
13
-----------
----
R
eceiver
----
-----
Source
-----
-----------
6
–
10
–
14
-----------
----
R
eceiver
----
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