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
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