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원문 게시자: Reece ,

텍스트:

Picture 1 is of components on one of the hall effect sensors (there are 2 in this model); these are not listed in the schematic so you will need a donor board to transfer them across (think these are different to the older models). Best to desolder the whole block remaining (raised bit of the board) and for the one on the opposite side too; having one working sensor and one with missing components may be causing the MacBook to think it is asleep.

Picture 2 is U5850 (TMP461 chip) and C5850 (0.1UF 10% 6.3V 0201 capacitor), for the thermal sensor. Looks like the pads have been ripped off for the chip, so you will have to solder wires, and may have difficulty securing the chip. I have an 820-00164 with the TBT thermal sense chip ripped off too, and the fan spins but it doesn't chime, so this can prevent boot.

You may have trouble finding some of the chips on these boards, I'm struggling to get hold of a few FDMF5808A's for a customer with this model...

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