Yes... of these things I am aware.  Y1 is the little space just below the rightmost part of the battery holder.  [



Once I clean the board completely (and also parts of the metal on the case, and the logic board shield) I will still need to replace whatever Y1 is.

And to that effect... never mind; apologize for the apparent repost.

https://68kmla.org/forums/index.php?/topic/13231-help-my-se30s-battery-exploded-and-so-did-c12-an-y1/