HP 8340B Manual page 63

A19 Pin I/O
Pin
1
13
2
14
3
15
4
16
5
17
6
18
7
19
8
20
9
21
10
22
11
23
12
24
Mnemonic
+20V AC1
+20V AC1
+20V
AC2
+20V AC2
-10VAC1
-10VAC1
-10VAC1
-10VAC1
-10VAC2
-10VAC2
-10VAC2
-10VAC2
-10V
RETURN
-10V
RETURN
-10V
RETURN
-10V
RETURN
+20V UNPEG
+20V
UNPEG
GND
GND
-10V
UNPEG
-10V
UNPEG
-10V
UNPEG
-10V
UNPEG
Levels
+20 VAC
+20
VAC
+20 VAC
+20 VAC
-10
VAC
-10
VAC
-10
VAC
-10
VAC
-10
VAC
-10
VAC
-10
VAC
-10
VAC
+
6.4V AT 13.3 GHZ
+6.4V
AT 133 GHZ
+6.4V
AT 13.3 GHZ
+ 6.4V AT 133
GHZ
+31.2V
+31
2V
0V
0V
-10V
-10V
-10V
-10V
Source
A62 LUG
(2)
A62 LUG (2)
A62 LUG
(2)
A62 LUG
(2)
A62 LUG (6)
A62 LUG
(6)
A62 LUG (6)
A62 LUG (6)
A62 LUG
(6)
A62 LUG (6)
A62 LUG (6)
A62 LUG (6)
XA53P1-2, 20
XA53P1-2, 20
XA53P1-2,
20
XA53P1-2,
20
XA35P1-7, 25
XA35P1-7,
25
A62 STAR GND
A62 STAR GND
BC
BC
BC
BC
Destination
*A
*A
*A
*A
*B
*B
*B
*B
*6
•B
*B
*B
BC
BC
BC
BC
*A
*A
*A
*A
XA53P1-27, 28
XA53P1-27, 28
XA53P1-27, 28
XA53P1-27, 28
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-61/A-62