SOLVED 820-00281 a1707 no ppbus no power

[Jeffotskie26]

got this macbook with 20v 0.23amp stable on my digital charger
0v on ppbus but not shorted. i didnt see any short on board.
just notice that u7000 is abit overheating. tried to replace it but still 0v on ppbus.
tried removed r6907 then i measure ppbus_g3h_r is around 9-10v only.

 

[2informaticos]

Tell us if you get 3V3_G3H at least.

 

[Jeffotskie26]

3V3_G3H

oops sorry, yes 3V3_G3H is present and stable

 

[2informaticos]

What about SMC_USBC_INT_L?
Did you test with charged battery?

Remove F7000/1 and check C7050 voltage.
Be sure to use original 87/96W charger.

 

[Jeffotskie26]

sorry this solved already, i didnt mentioned that after i replaced d9602
u7800 is overheating can see on my thermal cam.
i replaced u7800 from a1708 donor board. after i replace
theres no overheating on u7800 but still cannot on.
so thinking that u7800 from a1707 and a1708 is different.
after i replaced u7800 from my a1707 donor board can on already..
@2informaticos thanks man for always helping me. cheers!