HP 8340B Manual page 93

A58
Pin
I/O
(1
of 3)
Pin
1
56
2
57
3
58
4
59
5
60
6
61
7
62
8
63
9
64
10
65
11
66
12
67
13
68
14
69
15
70
16
71
17
72
18
73
19
74
Mnemonic
GND
PLANE 0V
GND PLANE
HSP
LVSZ
LIPS
LBX
SIOA
GND PLANE
SIOB
GND PLANE
ADRO
HFILYO
ADR2
ADR1
ADR4
ADR3
Levels
INSTRUMENT GROUND
0V
TTL
(HIGH TRUE)
TTL
(LOW TRUE)
TTL
(LOW TRUE)
TTL (LOW TRUE)
TTL
(LOW TRUE)
0V
TTL
(LOW TRUE)
0V
TTL
TTL
(HIGH TRUE)
TTL
TTL
TTL
TTL
Source
•V
INSTRUMENT GROUND
XA57P1-13
E
*
*U
XA60P1-15
INSTRUMENT GROUND
XA60P1-16
INSTRUMENT GROUND
XA60P1-17
XA59P1-72
XA60P1-18
XA60P1-73
XA60P1-19
XA60 1-74
Destination
•V
*P
XA54P1-9 F
*NOT USED
XA59P1-69 P
-NOT
USED
*V
•NOT USED
*V
•NOT USED
•NOT USED
"NOT USED
•NOT USED
•NOT USED
•NOT USED
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