Yeh - looks like a step down,... actual transformer for the game is the other one on the right of the pic.

To be on the safe side, id be getting a new on. You cant have 240v terminals dangling, itll spark, short or start a fire...the "she'll be right" is never an option.

Cheapest place to get a stepdown is Ebay.. Jaycar is real expensive for these.. youll need at least 2amps