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Hi guys,
A2159 with very minor liquid damage, most likely water. Cleaned in the ultrasonic twice.
No components are visually damaged, badly corroded or burnt. There were smoke traces of 20V short on the USB pcb connector.
Before cleaning there was no PD negotiation (5V, 0.4A). After cleaning...
I'm troubleshooting this board that is in good condition, no liquids damage, no corrosion, no bad caps that I can see, nothing getting warm. Previous owner said it just powered off and would not charge. The board negotiates 20V from a PD charger. This is not a power-in failure.
I don't have an...