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.
No evidence of spillage. I tried good i/o cable and board but still no Audio. Os does not see any audio device. checked J9500 under microscope for bad connection.
AUDIO_PWR_EN 3.3v
PP1V5_S0SW_AUDIO 1.5v
I also replaced U8040 .