Lenovo 1869CSU User Manual - Page 47
Black
![]() |
View all Lenovo 1869CSU manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 47 highlights
Checkout guide 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. General descriptions 43
![](/manual_guide/products/lenovo-1869csu-user-manual-3aeb2d4/47.png)
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
43