Acer A231H Service Guide - Page 72

Acer Acer -LCD-A231H 04 Troubleshooting 1ēNo Power & Power LED Off No power Check primary rectifier voltage Check circuit if short Check IC802, C804, T801, Check pin6 of IC802 voltage about 16V Check F801, P801, RT801,D801 CheckC810,D803,C807, Check pin2 of IC802 voltage about 3V END Check primary OVP, OLP and secondary feedback, OVP circuit