HP 1000 A990 Installation And Service Manual page 58

20-slot system/computer
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LB200-73A
LINE
~:J
AC
Input
>
/h
Backup
~o
0
WARNING
Do not alter the connector attached to
P7 or P8 while ac power is applied.
Power Supply
P9
"
I 1
Line
:
"
Filter
3
,..
2
Line
.. >
d7
¢
Fuse
I
P5
I 1
~
>
I
~
"
2
,..
Batt
Fuse
I 4
--L-~-------------'~ "~~~--------------~
Battery
Pack
T~
__________
+.. >~
__
~3
__
~~
Battery
Backup
Circuits
230Vi
P7
~
~
I
8
~
~
I 5
I
4
~
~
I 1
I
P8
I
115V
I
10
- - - " " " «
43 46
39-42
1-28
29-32
33,34
35-38
47
48
49
1-36
37-50
I 9 (
I 8
I
7
6
5
4
3
2
P2
I
(
(
(
(
(
(
I
(
I
~1
(
I
(
I
--
r-
Fan Power/
Configuration
--
-
Fan Power/
r- Configuration
--
Phase 2
--
Phase 1
COMMON
+12
-12
+5M
r- To
PON+
Backplane
PFW-
MLOST-
+5V
COMMON
-
Figure 3-3. Power Distribution Diagram
Service
3-17/3-18

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