HP 8340B Manual page 89

A54
Pin
I/O
Pin
1
19
2
20
3
21
4
22
5
23
6
24
7
25
8
26
9
27
10
28
11
29
12
30
13
31
14
32
15
33
16
34
17
35
18
36
Mnemonic
+20V
LKICK
+5.2V
+52V
-40V/-40V
SENSE
(-)
YOKICK
-10V
-10V
GND
GND
WYOKW
PRETUNE
RGND
RGND
-15V
VSWP
LVSX
VCOMP
DB1
WCDAG
DB3
DB2
DBS
DB4
DB7
DB6
DB9
DB8
DB11
DB10
DB13
DB12
DB15
DB14
TYOKP
WPDAC
Levels
+20V
TTL
+52V
+52V
-40V
TTL (HIGH TRUE)
-10V
-10V
0V
0V
TTL (LOW TRUE)
-25V/GHZ,OV=23GHZ
0V
0V
-15V
OTO 10V SWEEP
TTL
(LOW TRUE)
-26
MHZ/VOLT
TTL
TTL (LOW TRUE)
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
(LOW TRUE)
TTL
(LOW TRUE)
Source
XA52P1-16.40
G
XA52P1-17,18,41,42
XA52P1-17,18,41,42
XA53P1-11,30/XA53P1-23
G
XA53P1-12,13,31,32
XA53P1-12,13,31,32
A62 STAR GND
A62 STAR GND
XA59P1-99
C
STAR GND POINT
STAR GND POINT
XA56P1-15, 30
XA58P1-97
XA58P1-68
F
XA60P1-76
XA59P1-30
XA60P1-77
XA60P1-21
XA60P1-78
XA60P1-22
XA60P1-79
XA60P1-23
*
•
*
*
XA60P1-82
*
XA60P1-83
XA60P1-27
XA59P1-100
XA59P1-68
Destination
*H
XA55P1-1
*H
*H
*H/H
*
*H
*H
*H
*H
G
•
*H
*H
*H
*CF
E
XA55P1-9
*AG
F
"AG
*AG
*AG
*AG
*AG
*AG
*AF
*AFG
•AF
•AF
•F
•AF
•F
•F
•G
A
A
circled 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
listing of signal
destinations.
HP 8340B/41B
Assembly-Level Service After Service Safety Checks