you are sugesting s5 on is the sound i should be hearing during game play? if that was off, then i would not hear game music but still hear bumper sounds and target sounds and so on?,also could you confirm, the first picture i have on my upload on first page being the sound board? if so it doesnt have dip switches, the board i think is the cpu the 4th pic has switches on the board, tomorrow i wil lgo in and have a look to see if that switch is on. does 704 mean anything to you? all the boards have 704 on them. again im a noob so im sure im sounding very stupid here, lol