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HP 30310A Power Supply
+20 VDC
-20 VDC
COMMON
+15
vac
-15
vac
COMMON
-5
VDe
+5
vac
}
TO
CPU
f
OTHER
POWER
SUPPLIES
ROM THE AC LINE BY TRANSFORMER COUPLING.
-1
~~PSENSE
-
- -
-_
..
,
- -
-
-
I
I
POWER
F1
+20 VOLT
5A
+30V
...
SWITCHING
+20V
~
...
' I
-
... r
I
3A
t-
. .
REGULATOR
...
RFI
I
...
+130V RAIL
(PART OF A3)
PREREGULATOR
~
RECTIFIERS
FILTER
/0-
A9
LC FI LTER
r
-.
AND FILTERS
L - - - - ..
r - - -
...
"1
20 VOLT
.....
~,.
OUTPUT
t
A6, AB, &
CROWBAR
l.
PART OF A7
F2
1A(
n
I
-20 VOLT
-30V
...
SERIES
-20V
...
~,.
REGULATOR
po
~
I
~
J
(PART OF A3)
,
FAN
RAIL
~
..
CROWBAR
~
• ..t.J
(PART OF A71
.~
L....~
~
L........J
L....w_
-
-
- -
- -
....
7"'M
(Y"
"YJ
(Y"rY')
-...-
.~
~
I
PHASE 1
~
1
PHASE 2
....
INVERTER
INVERTER
DRIVER
DRIVER
..
±22 AND +9V
(PART OF A2)
(PART OF A2)
RECTIFIERS
~
T"
i·
2
+5V
....
...
~
(PART OF A8)
..
-.....
TWO-PHASE
5 VOLT
TRIGGER PULSE
+22V
-22V
+9V
CLOCK
OUTPUT
....
(PART OF A2)
-5V
CROWBAR
...
..
•
-.....
--...
~Ir
~
Ir
~
INU
INU
PON
...
+15V (8)
...
....
....
...
BIAS
-.
PREREGULATOR
-20V
. .
PFW
....
VOLTAGE
-15V(B)
~
..
COMMON-"'"
REGULATORS
......
CONTROL A1
FEEDBACK (-30V)
-30V
t15V
...
+5V(8)
-
-.....
W
(PARTOF A1)
...
....
....
-15V
•5V
......
VOLTAGE
LPU
...
.....
PROTECT A5
-.....
~
-5V
...
PSU
...
...
....
....
LINE VOLTAGE MONITOR
...
HE
-...-
~
..
-...
I - -
4
BIAS VOLTAGES
(MOUNTED ON ,41,6)
A2 THRU A5
_ +15V
I
' - I
COMMON
~J
_ -15V
_ I
DCE
OVERCURRENT
CURRENT
I
I
LIMITER A4
I.... +5V
L_..J
....
1_
-5V
THERMAL
CURRENT
CUTOUT
SENSING
75°C
TRIGGER PULSE
-
2208-3
NOTE: CIRCUITS SHOWN OUTSIDE OF THIS AREA ARE ISOLATED
F
208/240
{L
SINGLE-PHASE
__N;..,;...-..,t--_ _
50 TO 66 HZ
_~E_+_--
(GND)
I
L
Figure B-l. HP 30310A Power Supply Block Diagram
B-5/B-6
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