Specifications

18.5" LCD Color Monitor AOC e936Vw
40
9.2.2 Power Board
1. No Power
715G3189P01LED001S & 715G3189P02LED001S
Check CN902 pin8/9= 12V
Check AC line volt 110V or 240V
Check AC input
Check the voltage of C907A (+)
Check bridge rectified circuit and F901 circuit
Check start voltage for the pin2/7 of IC901
Check R919,R920,R921,R922 and Change IC901
NG
Check the auxiliary voltage is bigger than
10V and smaller than 20V
1) Check IC901
2) Check OVP circuit
OK
OK
NG
Check D901,D902,D903,D904,IC903
OK
Check IC901 pin3 PWM wave
OK
Check IC901
NG
NG
NG
OK
NG