Hello
I'm fixing my water damaged Osmo Action. Does someone have identified all power rails on Osmo Action and could share some photos with me?

Hello there webhdx. I am sorry to know that the DJI Osmo Action was damaged. Since your DJI Osmo Action is damaged I would recommend you to contact our DJI support team at https://www.dji.com/support?site=brandsite&from=nav for further assistance. We have a team that will do there best to check and give out the best resolution for the said issue. Just a reminder that  DJI do not recommend doing a DIY in fixing the said camera  to avoid further damaging the said unit. We hope to hear from you soon and looking forward to resolve this issue as soon as possible. Thank for your support.