Acer Extensa 5220 Series Service Guide

104 Chapter 4
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
1. If the voltage is not correct, replace the power adapter.
2. If the voltage is within the range, do the following:
K Replace the System board.
K If the problem is not corrected, see “Undetermined Problems” on page 120.
K 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 power-on 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 Battery Pack” on page 105.
Pin 1: +19 to +20.5V
Pin 2: 0V, Ground

Acer Extensa 5220 Series Specifications

General

Display	15.4" WXGA (1280 x 800) TFT LCD
Optical Drive	DVD-Super Multi double-layer drive
Operating System	Windows Vista Home Basic
Processor	Intel Celeron M 530
RAM	512 MB DDR2
Storage	80 GB HDD
Graphics	Intel Graphics Media Accelerator (GMA) X3100
Battery	6-cell Li-ion
Weight	2.8 kg
Wireless	802.11b/g
LAN	10/100 Mbps Ethernet
Ports	3x USB 2.0, VGA, headphone/speaker/line-out jack, microphone-in jack