Macbook A2338 820-02773

[Instafixx]

Device Stuck. at 5V.
No shorts . Nothing on the thermal camera.

PPBUSis 0.5V.
Removed the Fuse. Still 0.5V at C5250
PPDCIN is in sync with the AMP Meter.
Resistors around U5200 are okay.
Replaced U5200. Now PPVBAT_AON_CHGR_REG pulses between 1.2V to 4V

 

[Instafixx]

I put back the old U5200.Its back to 0.5V