AOC AOC2241VG

Service Manual AOC2241VG
37
Check flow chart
For the no power
Check CN901
100-240V？
Check rectified voltage-C907
Check AC supply
checkFuseF901/ rectified device
L902/BD901/C901/C902
Check voltage of IC901-8pin
check component R908/R932
Check T901(1-3)out-Vcc
Check D904/R913/C913
Check IC901-drive out
Check MOS-Q901pin(G/D)
Check/replace IC901
Check R917/R918/Q901/T901pri
Around component
Check T901sub rectified out
5V/12V,
Check rectified diode
D905/D906
&fiter capacitor
Check-- open load
Check photo-coupler
IC902&IC903
OK
NG
OK
OK
OK
OK
OK
NG
NG
NG
NG
NG
NG
Power Board---
No Power 5V/12V