Hardware Power button not working on switch lite

[Rookie55]

Hello friends, I have a switch lite that spilled water on it, so it was cleaned with ultrasonic tine, and it turned on again but the power button does not work and it is not the Flex button. The fault comes from the main board but it was not where the power On line goes. Do you have a diagram or do you know from which chip that signal comes out?

 

[zamastyle]

Unfortunately with water damage it is unlikely that only one component is impacted. If you really want to take a good shot at fixing it, your best option is to get another known good lite and use it as your baseline while working through shorts with a multimeter.