Acer TravelMate 800 TravelMate 800 Service Guide - Page 74
Check the Power Adapter
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SG_TM800.book Page 66 Thursday, February 27, 2003 10:21 PM Check the Power Adapter Unplug the power adapter cable from the computer and measure the output voltage at the plug of the power adapter cable. See the following figure Pin 1: 19V Pin 2: 0V, Ground 1. If the voltage is not correct, replace the power adapter. 2. If the voltage is within the range, do the following: • Replace the main board. • If the problem is not corrected, see "Undetermined Problems" on page 76. • If the voltage is not correct, go to the next step. NOTE: An audible noise from the power adapter does not always indicate a defect. 3. If the DC-IN indicator does not light up, check the power cord of the power adapter for correct continuity and installation. 4. If the operational charge does not work, see "Check the Power Adapter" on page 66. 66 Chapter 4