Acer AL2032W AL2032W Service Guide - Page 30

2. No Characters , Missing one color Change Inverter Board No Check Inverter From Scaler board OK ? No Check or Change Cable Or Panel No Change VGA Cable NoCharacters Missing one color Check CN4 12Vdc Output OK No Change Adaptor Check L4 5Vdc Output No Check or Change U2 , Q6 , D3 OK Check U6(pin2) 1.8Vdc Output No Check or Change U6 OK Check U4(pin2) 3.3Vdc Output No Check or Change U4 OK Check CN2 to Panel Signal Output OK Check X Tal 14.318 Mhz ? No Change X1 OK Check H , V SYNC ? OK Change U5 - 30 -