HP 8340B Manual page 70

A27
Pin
I/O (1 of 2)
Pin
1
32
2
33
3
34
4
35
5
36
6
37
7
38
8
39
9
40
10
41
11
42
12
43
13
44
14
45
15
46
16
47
Mnemonic
-5.2V
-5.2V
+20V
+20V
+52V
+52V
-10V
-10V
-15V
-15V
GND
GND
GND PLANE
GND PLANE
HADCEN
LATTN
ADRO
ADR1
ADR2
ADR3
ADR4
SIOA
WLEVEL
WBAND
WYTMSLP
WYTMCTL
RSTAT
W11R2
HLBO
HLB1
HLB2
Levels
-5.2V
-52V
+20V
+20V
+52V
+52V
-10V
-10V
-15V
-15V
0V
0V
0V
0V
TTL
(HIGH TRUE)
TH
(LOW TRUE)
TTL
TTL
TTL
TTL
TTL
TTL
(LOW TRUE)
TTL
(LOW TRUE)
TTL
(LOW TRUE)
TTL
(LOW TRUE)
TTL
(LOW TRUE)
TTL
(LOW TRUE)
TTL (LOW TRUE)
TTL (HIGH TRUE)
TTL
(HIGH TRUE)
TTL
(HIGH TRUE)
Source
XA53P1-18, 36
XA53P1-18, 36
XA52P1-16, 40
XA52P1-16, 40
XA52P1-17.18.41,
42
XA52P1-17.18.41.42
XA53P1-12,13,31,32
XA53P1-12,13,31,32
XA56P1-15, 30
XA56P1-15, 30
A62 STAR GND
A62 STAR GND
IN GROUND
IN GROUND
XA21P1-1
A62J20-14
XA60P1-17
XA60P1-73
XA60P1-18
XA60P1-74
XA60P1-19
XA60P1-15
B
B
B
B
B
B
A
A
A
Destination
*S
*S
*s
*s
*s
*s
*s
*s
*s
*s
*s
*s
•s
•s
M
0
'B
*B
*B
*B
*B
*B
XA24P1-33
XA28P1-29
XA28P1-30
XA28P1-8
*
XA23P1-15
*
*
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