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Mensagem original de: PAULO SIQUEIRA ,

Título:

Does the inductor l7710 on a motherboard 820-00138 have polarity?

Texto:

A technician switched the inductor l7710 from motherboard 820-00138 from my macbook pro a1398, but the part was welded with reverse polarity.  He said that this component has no polarity, is this true?

I think the job was badly done, with a lot of welding. Can someone tell me if this is correct? Thank you

[image|1353523]

[image|1353522]

dispositivo:

MacBook Pro 15" Retina Display Mid 2015

Status:

open