AV TECH CORPORATION
AVM317A Maintenance Manual
V0.1
2014.05.15
Страница 1: ...AV TECH CORPORATION AVM317A Maintenance Manual V0 1 2014 05 15...
Страница 2: ...if the components of AM317AM PQ1 S pin and D Pin is 5V State Yes go to step 2 No change the component PQ1 Step2 Measure the both ends of the component D2 of AM317AM is 5V State Yes go to step 3 No cha...
Страница 3: ...ep4 No change the component U12 Please send it back to RMA if the voltage isn t 5V after changing Step4 Measure the component U11 Pin7 of AM317AM if the voltage is 3 8V State Yes go to step5 No change...
Страница 4: ...to step6 No change the component L2 Please send it back to RMA if the voltage isn t 3 8V after changing Step6 Measure the component U20 Pin1 of AM317AM if the voltage is 1 8V State Yes go to step7 No...
Страница 5: ...step8 No change the component IC1 Please sent it back to RMA if the voltage isn t 3 3V after changing Step8 Measure the component U13 Pin3 of AM317BM if the voltage is 1V State Yes go to step9 No chan...
Страница 6: ...ter changing Step2 Measure the component U3 Pin5 of AM317BS if the voltage is 2 7V State Yes go to step3 No change the component U3 Please send it back to RMA if the voltage isn t 2 7V after changing...
Страница 7: ...23 U11 PUAT1526P1220 PAT1526P11U SOP8 L2 PL2U2 3020 0S PCHOKE 2 2uH SMD 3020 O173 U20 PUS1131B18150 PS 1131B18UA N4DTFG SOT 89 IC1 PUTJ3940S 5A0 PTJ3940S 3 3V SOT223 U13 PUG5725ADJ120 PG5725ADJT11U SO...