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Ursprünglicher Beitrag von: zzz ,

Text:

THSP is thunderbolt proximity sensor. I have no clue where this is on your board because you gave no information. 11", 13", who knows?

I am going to guess 2012 13.3" 820-3209 board. Check Q5520, and R5540, and R5541. Most likely a tin whisker between 1 and 2 of Q5520, or blown resistor R5540 or R5541. Check there.

Status:

open