(Topic ID: 257261)

Bally rectifier board replacement AS-2518

By Mcooke

5 months ago

Topic Stats

  • 5 posts
  • 3 Pinsiders participating
  • Latest reply 5 months ago by Mcooke
  • Topic is favorited by 1 Pinsider


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    #1 5 months ago

    Hello, I am a newbie and I just brought home a Bally Silverball Mania machine. I have just replaced the battery damaged MPU and am attempting to replace the rectifier board.
    Ive just noticed that there are 8 pins on one of the connectors but on the old board there are 7. The board is meant to be universal but I dont know which pin on the new As-2518-18 is extra.

    #2 5 months ago

    Does your original connector not have a key in it?
    Usually the connector goes to the left, leaving the pin on the inside of the board empty, but I'd check your manual. The schematics should show the wire colors for each pin of the connector, so you can verify.

    #3 5 months ago

    The J1 header usually the extra unused pin is the one on the right

    #4 5 months ago

    Okay...the manual. Good place to check.
    So it is the J1 connector and the manual shows 8 pins with a key located in position 4.
    The new AS-2518-18 has 9 pin locations with the key in position 4. Do I just leave the last pin "9" without a wire?

    #5 5 months ago

    Okay Tomdrum, I think that answers my question. Thanks!!!!

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