Author Topic: Gottlieb/ Royal flush deluxe/ no sound only humming sound  (Read 2353 times)

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Offline Pinman

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changed connector and pins on the sound board (A6-J1) and (A3-J5) and put two new proms in on the sound board
still no attract sound or any sound the only difference i noticed was if you play a game every time you score it sounds like a low pitch noise , is there a way of connecting a speaker straight to the sound board for testing