Single TDA2030A 5.1 amplifier help

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I have this 2013 5.1 system bought in china for around 20$.Model RD-S8088A.

The transformer blew up while playing music together with the connector. Now im trying to find what were those leads supposed to connect to.I soldered different wire colors to them but seems hard to trace.

Pics attached.

Thank you

Update!! I tried to connect Red +12V / Black GND / White +12V / Green GND / Orange -12V

It works but subwoofer no sound and sounds like lower volume than before ? should i bump the voltage ?
 

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