Avtech AVM317A Manuel d'entretien - Page 2

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Apparatus: Multimeter
A. Check if the power of the main board is abnormal.
Step1: Measure 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, change the component D2. Please send it back to RMA if the voltage isn't 5V
after changing.