macbook a 1707 820-00928 20V/0.03A

[ipetro]

The MacBook draws 20V at only 0.03A with the battery disconnected. When I connect the battery, it starts charging, but the MacBook still does not power on.

The trackpad does not click, and the Caps Lock light does not come on.

PPBUS_G3H=12.6V
PP3V3_S5=3.3v
PP5V_S5=5V
Replaced U7000,U7800,U7650 but it didn't help.

 

[ipetro]

Friends, will there be any help from the forum?

 

[2informaticos]

Sorry for delay, I had some medical problems.

What about U7800 (7 OF 10) outputs?
Also check 3V0_G3H, 3V3_SUS and PM_RSMRST_L.

 

[ipetro]

Get well soon. I’ve already taken care of that MacBook, but the M1 Pro MacBook from the second thread has been waiting for you for two weeks now.