Avtech AVM317A Maintenance Manual Download

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Step5: Measure the both ends of the component L2 of AM317AM if the voltage is 3.8V.
State: Yes, go 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, change the component U20. Please sent it back to RMA if the voltage isn’t
1.8V after changing.

Summary of Contents for AVM317A

Page 1: ...AV TECH CORPORATION AVM317A Maintenance Manual V0 1 2014 05 15...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...