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4.
Remove
the
backup
battery
(see
“Checking
the
battery
pack”
on
page
42).
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
44
R50e,
R51e
and
R52
Series
Содержание 18496VU
Страница 5: ...Trademarks 265 Contents v ...
Страница 6: ...vi R50e R51e and R52 Series ...
Страница 8: ...2 R50e R51e and R52 Series ...
Страница 84: ...3 Removing and replacing a FRU 78 R50e R51e and R52 Series ...
Страница 132: ...3 continued Removing and replacing a FRU 126 R50e R51e and R52 Series ...
Страница 142: ...3 2 Removing and replacing a FRU 136 R50e R51e and R52 Series ...
Страница 145: ...1 continued Removing and replacing a FRU ThinkPad R50e R51e and R52 Series 139 ...
Страница 152: ...1 2 Removing and replacing a FRU 146 R50e R51e and R52 Series ...
Страница 154: ...3 Route the cables as in the figure below e e Removing and replacing a FRU 148 R50e R51e and R52 Series ...
Страница 155: ...3010 ThinkPad Dock II PCI cover 1 2 1 Bottom view Removing and replacing a FRU ThinkPad R50e R51e and R52 Series 149 ...
Страница 163: ...4 5 6 7 8 14 9 10 11 12 13 15 16 17 R 1 2 3 Locations ThinkPad R50e R51e and R52 Series 157 ...
Страница 226: ...LCD FRUs 1 2 6 7 8 3 4 k l m n 5 Parts list 220 R50e R51e and R52 Series ...
Страница 272: ...Part Number 39T2462_01 1P P N 39T2462 ...