AOC E941VA, E941SA service manual Check flow chart

Service Manual AOCe941series

Power Board---

No Power 5V/12V

Check CN901		Check flow chart
100-240V？		For the no power
	NG	Check AC supply
OK
Check rectified voltage-C907
	NG	checkFuseF901/ rectified device
OK		L902/BD901/C901/C902
Check voltage of IC901-8pin
	NG	check component R904/R932
OK
Check T901(1-3)out-Vcc
	NG	Check D901/R909/C903
OK
Check IC901-drive out
	NG
OK		Check/replace IC901
Check MOS-Q901pin(G/D)
	NG	Check R910/R938/Q901/T901pri
OK		Around component
Check T901sub rectified out
5V/12V,	NG	Check rectified diode
		D905/D906
		&fiter capacitor
		Check photo-coupler
		IC902&IC903
		Check-- open load
	42