IBM-AUSTRIA - PC-HW-Support    30 Aug 1999

Car Battery Adapter Test (2523)

1.  Unplug the car adapter from the computer and the cigarette socket.
2.  Measure the cigarette socket voltage. It should be between 9.0 V  dc and 18.0 V dc.
3.  Plug the adapter into the car socket. Measure the output  voltage of the adapter.

Pin	Voltage (Vdc)
1	+19 to +21
2	Ground (sleeve)

•  If the voltage is incorrect, but not 0, replace the car battery  adapter.
•  If the voltage is 0, check that the adapter connector has good  contact with cigarette socket. If the  connection is good, replace the adapter.
•  If the voltage is correct, and the computer operates  with the AC Adapter, replace the car battery adapter.
•  If the voltage is correct, and the computer fails with AC adapter  also, perform the 'AC Adapter Test' procedure.

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