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the charger port itself became hot, easy to see with isopropyl, simply replacing the charger port sorted it
though replacing the port is tricky, removing the shild with a large hot air is nice, with a 2kw heater at 70% power, parts dont fly away
but i wanted to clean the holes after removing...
this was liquid damaged but on the motherboard i dont see any liquid, mostly the keyboard got it, i replaced that, works, the liquid was stopped by the black sheet under the board, so the board looks very clean
it has 2 usb c ports, one of them looks burnt at one pin, the other is ok,
so now...
okay I have done some measurements
pp3v3_g3s 3.39v
pp3v3_g3ssw_sns 0v
pp3v3_s5 0v
pp1v8_g3s 1.8v
p3v3sen_ss 0v
pp5v_3gs 5v
pp3v3_g3g 3.29v
Ppbus_g3h 12.64v
tested only on charger, without battery.
I have tried many times restore this t2, chip want take firmware tired restore on OSX...
Okay i have tried T2 firmware. it tried restore in DFU mode and Recovery I getting only error:
AMRestoreErrorDomain 10 - Failed to handle message type StatusMsg) [AMRestoreErrorDomain ? 0xA (10)]
also I do some research on google and looks like when laptop is in DFU mode it should show in USB...
Thanks for schematic for this Mac.
I have question actually trying to repair this board.
I have checked laptop drain 20v 2A from charger
there is 3.3v 5v G3H present
power button have 3.3v once pressed changing PMU_onoff_L.
no voltage for CPU on L7410,L7430,L7210,L7290
This little LED next to...
Hi,
We got an MacBook Air 2019 with is not turning on.
Does anyone have a schematic diagram for it, I found one link on forum but is locked can't download?
thanks