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Gday Stu
Just looking, i found my piccies of the reverse side as well.
Looking at them, i see a monster inductor L42a and that is bound to be the main inductor for the switchmode feedback.
As such, i am no longer sure what L40 does, but it can probably be safely shorted, as long as the 5 pin Controller chip didnt show any damage.
The damaged/exposed trace in the latest piccy is under the "power in" socket, which means maybe it is what shorted and took out the inductor.
Easy enough to remove the socket to see if it is damaged and see the traces underneath it.
Andrew
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