Anyone familiar with cerwin vega EXL-1000D

I have a cerwin Vega amp that is not going into protect but no sound. It has what looks like a driver board that says digital on it. Does anyone know what it is
 

Attachments

  • 16000496248346270764657086968600.jpg
    16000496248346270764657086968600.jpg
    978.1 KB · Views: 101
  • 16000496503265479512116870480817.jpg
    16000496503265479512116870480817.jpg
    972.2 KB · Views: 100