(Topic ID: 191816)

Williams System 6 Sound issue

By PoBoyPinball

6 years ago



Topic Stats

  • 2 posts
  • 2 Pinsiders participating
  • Latest reply 6 years ago by zacaj
  • Topic is favorited by 1 Pinsider

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#1 6 years ago

Need some help my Williams Laser Ball has an issue. I'm getting sound but making the wrong sounds for what you are hitting/rolling over, scoring ect. I reseated the connectors on the sound board and that seemed to work for about 2 min, then back to sound but not the correct sounds. Best way to describe it would be like they are out of sync. I was going to rest the chips on the sound board tonight but looking for the root of this evil. I had this problem on a system 7 once and if I remember it was the 6821PIA on the MPU but that has been years ago so really not sure if that was it but know it was on the MPU.

Help wrong sounds driving me nuts. What could be the root of this evil?

#2 6 years ago

On system 6 sounds aren't controlled directly by a pia like on 7, they're triggered via the solenoid transistors. In the sound test you should be able to hear a distinct sound for each of them.

If reseating the connector helped, reflow the connector pins on the board. If that doesn't do it, repin. As long as the connector is questionable any other troubleshooting will be meaningless.

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