For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
PPBUS only battery - 11.61V
PPBUS only ac adapter - 12.58V
PPBUS both - 12.58V
It power on when battery and ac adapter are coonected and only with battery
Only with ac adapter never power on.
But if I connected ac adapter and battery it will power and later I can disconected battery or ac adapter and it will still work.
Never charge the battery. Just keep the charge to the same %. Yestarday I wasnot checked that. It is 53% but if it goes to 40% it will stay at 40%. Will not charge to 53% anymore.
Magsafe alwasys is off. Only one time was green.
After all that do you still suspect Q7055 or could be ISL or SMC?
ACOK in ISL - 3.31V