A2442 820-02098 5v 0a - PP3V8_AON short

[saisoni20]

Good afternoon,
I'd appreciate help diagnosing my A2442 that's only taking 5v and 0a. Magsafe charger is not working.
PPBUS_AON (Battery unplugged) - ~12.00

Found out PP3V8_AON is short to the ground. I have feed 1V and U7700 is getting hot.
Is there any way to isolate U7700 from PP3V8_AON. Just to make sure any other component is not bad which is causing U7700 to get hot.


Thanks in advance

[mon2]

Lift one leg on each of the multiphase inductors of PP3V8_AON.

So this involves:

L5800
L5820
L5840

[saisoni20]

Hi Mon2
I have tried removing those inductors same U7700 is getting hot.

[electroelef]

I just had the same behaviour. C7714 was shorted. I was lucky.

[kalum]

so guys, in my case PP3V8_AON this line is not stable. UR630 has failed.