HP 8340B Manual page 96

A59
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
1)
66
12
67
13
68
14
69
15
70
16
71
17
72
18
73
19
74
Mnemonic
GND PLANE
GND PLANE
HOVC
LSTP
LYSP
HSTD
HCEN
HSP
WPDAC
LIPS
LBX
SIOA
SIOB
ADRO
HFILYO
ADR2
ADR1
ADR4
ADR3
Levels
0V
ov
+3
VOLTS
-
OVEN WARM
TTL
(LOW TRUE)
TTL
(LOW TRUE)
TTL (HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(LOW TRUE)
TTL
(LOW TRUE)
TTL
(LOW TRUE)
TTL
(LOW TRUE)
TTL
(LOW TRUE)
TTL
TTL
TTL
TTL
TTL
TTL
Source
INSTRUMENT GROUND
INSTRUMENT GROUND
A62J3-3
G
G
G
XA57P1-13
A
XA52P1-36/A62J7-19
*
XA60P1-15
XA60P1-16
XA60P1-17
G
XA60P1-18
XA60P1-73
XA60P1-19
XA60P1-74
Destination
*J
*J
GXA6101-85
it
XA55P1-7
XA52P1-21
XA55P1-14
*B
XA54P1-36
* i
*NOT USED
*A
*A
•XA58P1-47, 72
*A
*A
*A
*A
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