AOC 931SW series User Manual

Service Manual AOC 931SW+
30
Check flow chart
For the no power
Check CN901
100-240V？
Check rectified voltage-C905
Check AC supply
checkFuseF901/ rectified device
L902/BD901/C901/C902
Check voltage of IC901-3pin
check component
R904/R932/R933
Check T901(1-3)out-Vcc
Check D901/R909/C903
Check IC901-drive out
Check MOS-Q901pin(G/D)
Check/replace IC901
Check R910/R938/Q901/T901pri
Around component
Check T901sub rectified out
5V/14V
,
Check rectified diode
D905/D906
&fiter capacitor
Check-- open load
Check photo-coupler
IC903&IC904
OK
NG
OK
OK
OK
OK
OK
NG
NG
NG
NG
NG
NG
Power Board---No Power 5V/14V

AOC 931SW series Specifications

General

Brand	AOC
Model	931SW series
Category	Monitor
Language	English