HP 8340b - Page 514

Table
E-l.
Motherboard
Wiring
List
Mnemonic
+12V
+12V
UNREG
+12VU1ADJ
+20V
+20V
AC)
+20V
AC2
+20V
REF
OSC
+20V
UNREG
+22V
--25V/GHZ
-52V
-TV
REF
-10V
-10VAC1
-10V
AC2
-10VRTN
-10V
UNREG
Description
REGULATED
+12
VOLT SUPPLY
UNREGULATED
SUPPLY
TO
+12V
+12V
REGULATOR ADJUSTMENT TERMINAL
REGULATED
+20
VOLT SUPPLY
TRANSFORMER SECONDARY FOR
+20V
SUPPLY
TRANSFORMER SECONDARY
FOR
+20V
SUPPLY
SWITCHED
+20V
SUPPLY TO
10
MHZ
REF.
UNREGULATED SUPPLY TO
+20V
REGULATED
+22
VOLT SUPPLY
-
25 VOLTS/GHZ OUTPUT FREQUENCY
REGULATED
-5.2
VOLT
SUPPLY
-TV
REFERENCE
SUPPLY
REGULATED
-10
VOLT SUPPLY
TRANSFORMER
SECONDARY
FOR
-10V
SUPPLY
TRANSFORMER
SECONDARY
FOR
-10V
SUPPLY
-10V
SUPPLY SERIES
PASS
COLLECTOR
UNREGULATED SUPPLY TO
+10V
Type
POWER SUPPLY
POWER
SUPPLY
POWER
SUPPLY
POWER SUPPLY
POWER
SUPPLY
POWER
SUPPLY
POWER SUPPLY
POWER
SUPPLY
POWER
SUPPLY
POWER SUPPLY
POWER
SUPPLY
POWER
SUPPLY
POWER
SUPPLY
POWER
SUPPLY
POWER SUPPLY
POWER SUPPLY
POWER SUPPLY
Levels
+12V
+20V
+
10.5V
+20V
26 4
VAC
26 4
VAC
OV/+20V
+31
2V
+22V
-25V/GHZ
-52V
-TV
-10V
13.9
VAC
13.9
VAC
+
6.4V
AT
133
GHZ
-10V
E-24
Motherboard Wiring
List
HP 8340B/41B