HP 8340B Manual page 498

Table
E-l.
Motherboard Wiring List
Mnemonic
EXT TRIG
FAN1
FAN2
FANS
FAN4
FMOUT
FM DRVR SHIELD
FM INPUT
FM SHIELD
FPNLSWP
FPNLSWP RTN
GND
GND HPIB
GND PLANE
Description
EXTERNAL TRIGGER INPUT
SWITCHED FAN POWER
SWITCHED FAN POWER
PRIMARY FAN POWER
PRIMARY FAN POWER
FREQUENCY MODULATOR OUTPUT
FREQUENCY MODULATOR OUTPUT SHIELD
FREQUENCY MODULATOR INPUT
FREQUENCY MODULATOR INPUT SHIELD
FRONT PANEL SWEEP RAMP
FRONT PANEL SWEEP RAMP GROUND RETURN
ANALOG GROUND
IEEE 488 GROUND
DIGITAL GROUND
Type
TTL/ANALOG
AC LINE
AC LINE
AC LINE
AC LINE
ANALOG
GROUND
ANALOG
GROUND
ANALOG
GROUND
GROUND
GROUND
GROUND
Levels
EXT SOURCE LVL
110 VAC
110 VAC
110 VAC
110 VAC
0V
-8V
TO
+8V
0V
10V/SWEEP
0V
0V
0V
0V
E.8 Motherboard Wiring
List
HP 8340B/41B