Acer AL532 AL532 Monitor Service Guide - Page 13

No Display ( Black ) G. TROUBLE SHOOTING HINTS LED ON ? NO YES Push the power ON/OFF switch Power adapter ? YES NO Change adapter LED Color change ? NO Check main board U2/Pin2 YES Back light YES To Step 2 ON? NO Check the CN1/Pin1 of Inverter High Voltage ! Hi / Lo under push power sw? NO A YES To Step 2 +12V ? NO YES NO Check F1(Fuse) of inverter B Make sure the connection of Inverter is fine Display ? YES OK !