User’s and Service Guide U3047-90002
53
U3047AE04
Service Information
Figure 41 Electrical Block Diagram
Test Set
Control Bd.
PCB 1
Keysight
U3047AE04
4-Port Solid
Stat
e Test
Set
10 MHz t
o
70 GHz
J8
PCB4
Po
rt
s LE
D (F
rt
.P
n
l,
5 V
d
c)
S1
Pin Sw
itch Driver
Bd.
PCB2
Test Set
Inte
rfac
e
Pass Thru
Inter
face
J1
J4
J2
J3
J9
Ext. DU
T
Contr
ol
Ext Control Bd.
PCB3
(5
, 15
, -
1
5
Vd
c)
J11
J1
2
J10
J1
3
AC
Line
Fi
lter As
sy
FS2 –
FS3
AC IN
J1
S2
J2
S3
J3
S4
J4
S5
J5
S6
J6
S7
J7
S8
J1
0
J9
JTAG
P1
J11
JTAG
J16
J5
J15
FS
1
N.C.
(3,
5,
-1
2, 1
5,
-1
5 V
dc)
(5, -1
0, 15,
-1
5
V
dc)
To RF Switc
h
es
Fr
on
t Pa
ne
l
Active
Signa
l Path
Name
Test Set Port
SRC
--
5
--
FA
N
1
2 V
d
c
NOTES:
*
The
dc
vol
tag
es sh
ow
n,
ar
e f
unct
io
na
lly u
s
ed
by th
is
pa
rt
.
**
On
bo
ar
d p
ro
gr
am
m
e
d
FRG
A.
*
*
(5
Vd
c)
*
**
*
*
RE
C
S
R
C
--
6
-
-
RE
C
--
7
--
--
8
-
-
PS1 650W
DC Power Supp
ly
12
, 15
vdc
+2
4vd
c
3 /
5vd
c
St
nd
By
SLOT
4
3
2
1
-12,
-1
5vd
c
9
/ 1
0
vdc
5
FAN
AC
IN
Active ON
LE
D (Fr
t.
P
n
l)
5vd
c
SR
C
RE
C
S
R
C
RE
C