Lenovo 3000 N200 Notebook User Manual
Page 34
Note:
If
the
battery
pack
becomes
hot,
it
may
not
be
able
to
charge.
Remove
it
from
the
computer
and
leave
it
at
room
temperature
for
a
while.
After
it
cools
down,
reinstall
and
recharge
it.
To
check
the
battery
pack,
do
the
following:
1.
Power
off
the
computer.
2.
Remove
the
battery
pack
and
measure
the
voltage
between
battery
terminals
1
(+)
and
7
(−).
See
the
following
figure:
6(-)
5
4
1(+) 2(+)
3
7(-)
Terminal
Voltage
(V
dc)
1
+
0
to
+
12.6
7
Ground
(−)
3.
If
the
voltage
is
less
than
+11.0
V
dc,
the
battery
pack
has
been
discharged.
Note:
Recharging
will
take
at
least
3
hours,
even
if
the
indicator
does
not
turn
on.
If
the
voltage
is
still
less
than
+11.0
V
dc
after
recharging,
replace
the
battery.
4.
If
the
voltage
is
more
than
+11.0
V
dc,
measure
the
resistance
between
battery
terminals
4
and
7.
The
resistance
must
be
4
to
30
K
.
If
the
resistance
is
not
correct,
replace
the
battery
pack.
If
the
resistance
is
correct,
replace
the
system
board.
Checkout
guide
28
MT
0687
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