HP 8340b - Page 62

A16/A20
Pin
I/O
A62J19
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Mnemonic
GND PLANE
+20V
+5.2V
-5.2V
-10V
-40V/-40V
SENSE
(-)
LHET
LHET
GND PLANE
+20V
+5.2V
-5.2V
-10V
-.25V/GHZ
LHIBND
HULH
A62W31P2
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
NOT USED
NOT USED
16
A62W31P3
Pin
1
NOT USED
3
4
NOT USED
NOT USED
NOT
USED
NOT USED
9
NOT USED
11
12
NOT USED
NOT USED
15
NOT
USED
A16A1J1
Pin
1
NOT
USED
3
4
NOT
USED
NOT USED
NOT USED
NOT USED
9
NOT USED
11
12
NOT USED
NOT USED
15
NOT USED
A20J1
1
2
3
4
5
6
7
8
9
10
11
12
13
NOT USED
NOT USED
16
Levels
0V
+20V
+5.2V
-5.2V
-10V
-40V
TTL
(LOW
TRUE)
TTL
(LOW TRUE)
0V
+20V
+5,2V
-5.2V
-10V
TTL
(HIGH TRUE)
Note:
Refer
to
RF
Section Schematic
Diagram
and
A62
motherboard
wiring
list
for
signal
source
and
destination information.
HP
8340B/41B
Assembly-Level
Service After Service
Safety Checks
A-59/A-60