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Service Manual AOC2241VG

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

Power Board---

No Power 5V/12V

AOC AOC2241VG User Manual

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