HP 8340b - Page 77

ASS
Pin
I/O
Pin
1
19
2
20
3
21
4
22
5
23
6
24
7
25
8
26
9
27
10
28
11
29
12
30
13
31
14
32
15
33
16
34
17
35
18
36
Mnemonic
+5V
UNREG
+5V
UNREG
+5V
UNREG
+5V
UNREG
+5V
UNREG
+5V
UNREG
GND
GND
-40V
UNREG
-40V
UNREG
+20V
UNREG
+20V
UNREG
+5V
AC1
+5V
AC1
+5V
AC1
+5V
AC1
+5V
AC1
+5V
AC1
+5V
AC2
+5V
AC2
+5V
AC2
+5V
AC2
+5V
AC2
+5V
AC2
-40V
AC1
-40V
AC1
-40V
AC2
-40V
AC2
+22V
+22V
Levels
+7
TO
+9V
+7
TO
+9V
+7
TO
+9V
+7
TO
+9V
+7
TO
+9V
+7
TO
+9V
0V
0V
•
-40V
-40V
+31
2V
+31,2V
7V
AC
TV AC
TV AC
TV AC
TV AC
TV AC
TV AC
TV
AC
TV AC
TV AC
TV
AC
TV
AC
-40V
AC
-40V
AC
-40V
AC
-40V
AC
22V
22V
Source
C
C
C
C
C
C
A62
STAR
GND
A62 STAR GND
AB
AB
D
D
A62 LUG
(5)
A62
LUG
(5)
A62 LUG
(5)
A62 LUG
(5)
A62 LUG
(5)
A62 LUG
(5)
A62 LUG
(5)
A62
LUG
(5)
A62
LUG
(5)
A62
LUG
(5)
A62
LUG
(5)
A62 LUG
(5)A
A62
LUG
(4)
A62
LUG
(4)
A62 LUG
(4)
A62
LUG
(4)
DE
DE
Destination
*
*
*
»
k
"C
•C
*
It
If
•C
•C
•C
•C
•C
•C
•C
•C
•C
•C
"C
•C
•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