[SOLVED]820-00165 Not seeing battery

[Revive]

Had some corrosion localized at the battery connector (J6950) Q7560 and U1900, replaced U1900 associated corroded resistors etc and Q7560. Turns on but still not seeing battery.

R5380: 1.9K
R5381: 1.9k

diode mode
J6950 P4: 0.48
J6950 P5: 0.48
J6950 P6: 1.72

PPBUS_G3H: 8.2V with or without charger

 

[aprendiz]

Try another battery.....

 

[Revive]

yes I should have mentioned, already replaced with known good battery

 

[aprendiz]

Check with oscilloscope if you have activity on pins 4-5 from J6950...

 

[dukefawks]

Crap under SMC or dead SMC/U7000.

 

[Revive]

Reflowed the SMC, did the trick, thank you