HP 8340B Manual page 75

A33
Pin
I/O
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Mnemonic
VCO TUNE
(+)
GND
VCO TUNE
(-)
GND
-10V
GND
-5.2V
GND
GND
GND
GND
-40V
GND
LMNE
GND
Levels
0V
ov
-10V
ov
-5.2V
OV
OV
OV
OV
-40V
OV
TTL
(LOW TRUE)
OV
Source
XA31P1-21
INSTRUMENT GROUND
XA31P1-6
INSTRUMENT GROUND
XA34P2-8,
9
INSTRUMENT GROUND
XA34P2-12, 13
INSTRUMENT GROUND
INSTRUMENT GROUND
INSTRUMENT GROUND
XA34P2-6, 7
INSTRUMENT GROUND
INSTRUMENT GROUND
Destination
A
*F
A
*F
*F
*F
*F
*F
•F
*F
•F
*F
•F
D
*F
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
A34 Reference Loop
-
M/N
Motherboard Schematic Diagram for
a
complete representation of
signal sources
and destinations.
HP 8340B/41B
Assembly-Level Service After Service Safety Checks