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A1398 820-3787

Thread starter iFix
Start date Dec 12, 2022

2informaticos

Administrator

Staff member

#21

Checked voltage on its both pins too?

I

iFix

Member

#22

Yes both sides it's good. I resoldered U7701 just to be sure and I replaced D7701 also, still the same. J5250 had some liquid damage, possible issue?

I

iFix

Member

#23

btw I checked SMC_LID right away at the beginning of the repair and it was 3.4v

I

iFix

Member

#24

Surprise! I have a backlight when the board is out of the housing

J5250 making the issue?

2informaticos

Administrator

Staff member

#25

Hall sensor problem should disable image too, not just backlight.
Check its reaction approaching a magnet.

I

iFix

Member

#26

I replaced J5250 and it started working, which is funny cause I already had the voltages correct. After a few days of testing, all seems fine

Thanks for the assistance

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