HP 8340B Manual page 98

A59
Pin
I/O
(3 of 3)
Pin
38
93
39
94
40
95
41
96
42
97
43
98
44
99
45
100
46
101
47
102
48
103
49
104
50
105
51
106
52
107
53
108
54
109
55
110
Mnemonic
-15V
-5.2V
-10V
-10V
GND PLANE
HPUP
GND PLANE
GND PLANE
GND PLANE
GND PLANE
GND PLANE
HXREF
GND PLANE
WYOKW
LCHNG
TYOKP
N5
N6
N3
N4
N1
N2
HULR
HULM
HULY
HULH
HLEY
HUL1
LCK4
HUL2
HLE2
LCK3
LCK1
LCK2
GND PLANE
GND PLANE
Levels
-15V
-52V
-10V
-10V
0V
TTL
(HIGH TRUE)
0V
0V
0V
0V
0V
TTL (HIGH TRUE)
0V
TTL
(LOW TRUE)
TTL (LOW TRUE)
TTL
(LOW TRUE)
TTL
TTL
TTL
TTL
TTL
TTL
TTL (HIGH TRUE)
TTL
(HIGH TRUE)
TTL (HIGH TRUE)
TTL (HIGH TRUE)
TTL (HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(LOW TRUE)
TTL
(HIGH TRUE)
TTL (HIGH TRUE)
TTL (LOW TRUE)
TTL (LOW TRUE)
TTL
(LOW TRUE)
0V
0V
Source
XA56P1-15, 30
XA53P1-18.36
XA53P1-12,
13,31,32
XA53P1-12,13,31,32
INSTRUMENT GROUND
XA52P1 -46
INSTRUMENT GROUND
INSTRUMENT GROUND
INSTRUMENT GROUND
INSTRUMENT GROUND
INSTRUMENT GROUND
A62J31-17
INSTRUMENT GROUND
A
*
A
E
E
E
E
E
E
XA34P2-14
XA34P1-8
A62J2-16
A62J19-16
B
XA37P1-26;XA39P1-1,16
A
XA41P1-4
B
A
A
A
INSTRUMENT GROUND
INSTRUMENT GROUND
Destination
•NOT USED
•NOT USED
"NOT
USED
•NOT USED
*J
*DI
*J
•J
*J
•J
*J
•C
*J
XA54P1-6
C
*
XA34P1-11
XA34P1-10
XA34P1-13
XA34P1-12
XA34P1-15
XA34P1-14
B
B
B
*B
A62J2-3
B
*
B
*
XA43P1-19
XA42P1-19
XA42P1-1
*J
*J
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- 127/A-128