In my opinion:
a) I would try to eliminate moisture by placing it in a warm (not too much though!), hoping for it to dry completely.
b) If you need an used spare, perhaps someone in the forum can help you but now there is none in the market of the forum
c) If you decide instead to repair it (if it is really broken), send a private message
to the forum member "mcr", our electronic magician
who has already repaired dozens.
If he says that it is repairable, you can be sure that it is true.
After clicking on the link above, three are the steps to send him the message:
In the message area of your profile, as long as the message is not read by the recipient, is normal that it remains in outgoing messages (see arrow below).
Non hai i permessi necessari per visualizzare i file allegati in questo messaggio.