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.
Good morning, i have a mac that is not turning on. I also noticed that the charger LED is flickering on the brightness (I tested more than 1 charger).
I performed the following measurements:
This mac has been repaired by another technician in the U9300 region.
The mac displays backlight on and then quickly powers off. Shows USB activity for a few seconds.
I replaced UB300, as it had oxidized components around it.
PP5V_S0 starts with 5V and drops to...
Good afternoon, this mac was not working HDMI, I performed U2800 and it worked again. Now the customer returns with the defect of not reading data from SSD/HD 2.0/3.0.
I performed the replacement of the two cd3215 but did not solve it.
Suddenly the mac turned on using another charger.
I left it in tests and out of nowhere it turned off and won't turn on anymore. It is intermittent, out of nowhere it turns on.
I would like to know if the components I already replaced are U4200, U3906, U4401, U5850 and U3100 ?
Good afternoon this mac has suffered oxidation in the U4200, U3500, and U3100 regions. I replaced the oxidized components, it worked for a while. The customer returned with the defect of an unexpected shutdown. Now no PPBUS.
I had made a post earlier...