Acer V193W Service Guide - Page 33

3. Panel Power Circuit White screen Measure Q404 base is low level? OK Check CN403 is solder and Q404,Q405 is OK? Check Correspondent component. NG OK Replace PANEL NG X401 oscillate waveform is normal OK NG Replace X401 Check reset circuit of U401 is normal NG Check Correspondent component. OK Replace U401 33