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Lenovo MT 2506 Manuel D’Utilisation

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5.
   
Measure
 
the
 
voltage
 
of
 
the
 
backup
 
battery.
 
See
 
the
 
following
 
figure.
 
Red (+)
Black (-)
 
 
Wire
 
Voltage
 
(V
 
dc)
 
Red
 
+2.5
 
to
 
+3.2
 
Black
 
Ground
 
  
v
   
If
 
the
 
voltage
 
is
 
correct,
 
replace
 
the
 
system
 
board.
 
v
   
If
 
the
 
voltage
 
is
 
not
 
correct,
 
replace
 
the
 
backup
 
battery.
 
v
   
If
 
the
 
backup
 
battery
 
discharges
 
quickly
 
after
 
replacement,
 
replace
 
the
 
system
 
board.
Checkout
 
guide
 
General
 
descriptions
 
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