820-00165-A - Turn on, but no chime

menatwork

New member
Yes. When i get the Osx shutdown, also even without system, after 30 seconds shutdown.
 
Last edited:

menatwork

New member
U1950 Pin 8 3.4v and looks ok, i think.
I just re-soldering and right now no more chime, back light and don't shutdown.
 
Last edited:

menatwork

New member
1 - Turn on, but no chime or back light
I pull out J6100 and then i get chime, back light and OS, howaver after 30 seconds shutdown.

2 - You told me could be under SMC, pin 8 of U1950, whatever.
So, i check and re-soldering. But after that, i don't get OS, also chime and back light.

Make sense to you?
 
Top