HP 8340B Manual page 94

A58
Pin
I/O (2 of 3)
Pin
20
75
21
76
22
77
23
78
24
79
25
80
26
81
27
82
28
83
29
84
30
85
31
86
32
87
33
88
34
89
35
90
36
91
37
92
Mnemonic
DBO
GND PLANE
DB2
DB1
DB4
DB3
DB6
DB5
DB8
DB7
DB10
DB9
DB12
DB11
DB14
DB13
WSPTM
DB15
WRDAC
WSPAT
TYDKP
LRSP
GND PLANE
GND PLANE
+20V
+20V
+5.2V
+12V
+5.2V
+5.2V
Levels
TTL
0V
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
(LOW TRUE)
TTL
TTL
(LOW TRUE)
TTL (LOW TRUE)
TTL(LOW TRUE)
TTL (LOW TRUE)
0V
0V
+20V
+20V
+5.2V
+12V
+5,2V
+5.2V
Source
XA60P1-20
INSTRUMENT GROUND
XA60P1-21
XA60 1-76
XA60P1-22
XA60P1-77
XA60P1-23
XA60P1-78
XA60P1-24
XA60P1-79
XA60P1-25
XA60P1-80
XA60P1-26
XA60P1-81
XA60P1-27
XA60P1-82
XA59P1-28
XA60P1-83
XA59P1-29
XA59P1-84
XA59P1-100
XA59P1-85
INSTRUMENT GROUND
INSTRUMENT GROUND
XA52P1-16,
40
XA52P1-16, 40
XA52P1-17,18,41,42
XA52P1-9, 33
XA52P1-17,18,41,42
XA52P1-17,18,41,42
Destination
*ABE
*V
*ABE
*ABE
'ABE
*ABE
*ABE
*ABE
*ABE
*ABE
*AE
*ABE
*AE
*AE
*AE
*AE
A
*NOT USED
BS
E
*NOT USED
P
•V
*V
*V
*V
*V
*NOT USED
*V
•V
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.
Assembly-Level Service After Service Safety Checks
HP 8340B/41B