Acer AL1916 AL1916e Service Guide - Page 33

2. No Characters , Missing one color Change Power Board No Check Inverter From Scaler board OK ? OK Check or Change Cable Or Panel No Change VGA Cable No Characters Missing one color Check CN4 5Vdc Output OK Check R96 5Vdc Output OK Check Q5 1.8Vdc Output OK Check U3(pin2) 3.3Vdc Output OK Check CN7 to Panel Signal Output OK Check X Tal 14.318 Mhz ? OK Check H , V SYNC ? OK Change U4 No Change Power Board No Check or Change R96 No Check or Change Q5 No Check or Change U3 No Change X1 - 33 -