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2-2-7. PU-121 Board
A
B
S1103
1
D1809
2
3
D1309
4
D1109
D1110
D1111
D1112
5
6
Switches
Ref. No. Address
Name
S503
(F-5)
Battery switch Sets the ON/OFF of the backup
S1101
(E-1)
Mode selector Sets the mode.
switch 1
MAV-555A
E
C
D
S1102
S1101
D1609
Function
battery.
ON : Normal mode
OFF : For storage as the repair parts
S1101-1, 2 :
Setting the HDD capacity
1
2
ON
ON : 73 GB
OFF
ON : 36 GB
ON
OFF : 18 GB
OFF
OFF : 9 GB
S1101-3, 4, 5 : Not used.
S1101-6, 7, 8 : Sets the mode. (S1101-6 is fixed
to OFF)
6
7
OFF
OFF
: Normal condition
OFF
OFF
: DIAG mode
OFF
ON
: BSPS dialog display1
OFF
ON
: BSPS dialog display2
2-2. Description of Internal Switches and Indicators
F
S503
Side A (Component side)
Factory setting
[OFF]
[ON]
OFF
1 2 3 4 5 6 7 8
Default setting of S1101-1, -2
when shipped from the factory
changes depending upon the
capacity of HDD installed.
8
OFF
ON
OFF
ON
2-15 (E)
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