Acer X163W X163W LCD Monitor Service Guide - Page 37

Acer 2. DC output voltage is unstable Output voltage unstable Check Voltage of ZD801 below 12V? Check reference voltage Check feedback circuit END Acer -LCD-X163W Check circuit if short Check ZD801 Check Pin R of IC803 voltage about 2.5V Check R810, R811 Check Vpin2-4 of IC801 is 1V Check IC801 have output Change IC Check ZD801, D803, D805 Check R809, IC801, Check R817, C815, D806 36