AC Adapter Checkout (WP z50 - 2608)

AC Adapler Checkout: You are here because the WorkPad z50 fails only when the AC Adapter is used.

  1.  Unplug the AC Adapter cable from the WorkPad z50 and measure the output voltage  at the plug of the AC Adapter cable.
     See the following figure:

    Pin Voltage (Vdc)
    1 19V (+1.5V, -0V)
    2 Ground (-)


    1.  If the voltage is correct, replace the mainboard.
    2.  If the voltage is still incorrect, go to the next step.

  2.  Unplug the AC Adapter cable from the ac power outlet and wait 5 minutes  or longer to allow the overvoltage protection circuit or other protection  circuits to be fully discharged and initialized.
  3.  Plug the AC Adapter cable into the ac power outlet.
  4.  Measure the output voltage of the AC Adapter.
  5.  If the voltage is still not correct, replace the AC Adapter

Note: An audible noise frorn the AC Adapter does not always indicate a defect.

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