Acer AL1722 Service Manual
Also see for AL1722: User guideService manual
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Contents
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39TroubleshootingThis chapter provides troubleshooting information for the AL1722:1. No powerChapter 4No powerPress power key and lookif the picture is normalMeasure 12V input voltageCheck the adaptersectionY601 oscillate waveformis normalMeasure U101 PIN2=5V?OKOKNGNGNG Replace U101Replace U601Replace Y601OKReplace U401NGNGNG |
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