HP 8340B Manual page 71

A28
PI
Pin
I/O
Pin
1
23
2
24
3
25
4
26
5
27
6
28
7
29
8
30
9
31
10
32
11
33
12
34
13
35
14
36
15
37
16 DB10
38
17
39
18
40
19
41
20
42
21
43
22
44
Mnemonic
+20V
+20V
+5.2V
+5.2V
-10V
-10V
-15V
HSP
SYTM COIL
-/-40V
SYTM COIL
-/-40V
GMD
GND
1.4V/GHZ
WBAND
WYTMCTL
WYTMSLP
HLBO
RSTAT
HLB1
DBO
HLB2
DB2
DB1
DB4
DB3
DB6
DBS
DB8
DB7
TTL
DB9
+1..0V/GHZ
+1.0V/GHZRTN
HENDKICK
-25V/GHZ
SYTMDB
YOKICK
SYTMDC
SYTM COIL
+
RGND
RGND
PRETUNE
SYTMRES
Levels
+20V
+20V
+5.2V
+5.2V
-10V
-10V
-15V
TTL
(HIGH TRUE)
-40V/-40V
-40V/-40V
0V
0V
C
TTL (LOW TRUE)
TTL
(LOW TRUE)
TTL
(LOW TRUE)
TTL (HIGH TRUE)
TTL (LOW TRUE)
TTL (HIGH TRUE)
TTL
TTL
(HIGH TRUE)
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
*XA60P1-25
TTL
10V/GHZ
0V
TTL
(HIGH TRUE)
-25V/GHZ
-22V
TO
-39V
TTL
(HIGH TRUE)
-
6V TO
-6V
-40V
TO
-25V
0V
0V
-2
5V/GHZ OVas2 GHZ
-
9V LOW BAND CW
Source
XA52P1-16, 40
XA52P1-16, 40
XA52P1-17,18,41,42
XA52P1-17,18,41,42
XA53P1-12,
13,31,32
XA53P1-12,13,31,32
XA56P1-15, 30
XA57P1-13
A62J18-12/XA53P1-11,30
A62J18-12/XA53P1-11,30
A62 STAR GND
A62 STAR GND
XA24P1-6
XA27P1-43
XA27P1-14
XA27P1-44
XA27P1-46
XA27P1-45
XA27P1-16
*XA60P1-20
XA27P1-47
•XA60P1-21
•XA60P1-76
•XA60P1-22
•XA60P1-77
*XA60P1-23
*XA60P1-78
*XA60P1-24
*XA60P1-79
*R r*
•XA60P1-80
F
F
E
H
XA54P1-21
H
H
STAR GND POINT
STAR GND POINT
XA54P1-24
H
Destination
*L
*L
*L
*L
*L
*L
*L
*i
H
H
•L
*L
B
C
*i
NOT USED
*i
•NOT USED
•NOT USED
•NOT USED
*BCI
•BCI
*BC
*BCI
*BG
*BC
*BC
A62J31-27
A62J31-13
XA24P1-31
*BGFH
A62J32-2
A62J32-4
*
*L
*L
*CDE
J A62J32-5
A
single letter
in
the source or destination column refers to
a
function block on
this
assembly
schematic.
An asterisk (*) denotes multiple sources or destinations; refer
to
the A62 motherboard wiring
list for
a
complete representation of
signal sources and destinations.
HP 8340B/41B
Assembly-Level Service After Service Safety Checks
A-77/A-78