A1990 820-01827 Liquid damage on U9580 SSD Buck. Likely Braindead?

SolderFungus

New member
Hi. I believe this one might be braindead, but I would like a professional opinion before putting it to rest.

A1990 820-01827
Liquid damage around CD32 and U9580.

Got 5V on charger. I reflowed CD3215 and U9580 and 20V was restored.
Board draws .450a and T2 Chip gets slightly hot under thermal cam.

PP2V5_NAND_SSD1 D 0.363 2.5V




1713268339922.png
 

2informaticos

Administrator
Staff member
Which schematic used, 01041, or 01814?

Really strange no short on L9580, if there was liquid around U9580.
Is now the machine recognized into DFU?
 

SolderFungus

New member
It worked! DFU recovery fixed the machine. The strange thing is that I already tried DFU after getting 20V on the charger.
I tried a different USB-C cable (original mac charger USB-C) and now it worked.

I used both schematics. 01041 and 01814. I honestly could not tell the difference.

Thank you so much for all the help.


EDIT. ERROR -2003F When trying to install OS. Maybe the SSD took some damage.
 
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