[PhilTas (Phil)]

Houghy,

The blown component is an electrolytic capacitor. They are polarised, with positive and negative leads.
Most times I have seen these blown like this is due to a reverse polarity connection.
I would try cutting away the capacitor, identifying if able the positive and negative leads, as well as the value and voltage rating.

A new replacement cap will be easily sourced.

If you need any assistance pm me. I am an electronics technician by trade.

cheers Phil