(Topic ID: 93852)

LM323 replacement released at ezSBC.com

By rkahr

9 years ago


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  • 45 posts
  • 27 Pinsiders participating
  • Latest reply 3 years ago by G-P-E
  • Topic is favorited by 28 Pinsiders

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    #39 3 years ago

    I tried installing this on a bally driver board(playboy) and can only get 4.5 vdc with pot turned up. Thanks in advance! JR

    #40 3 years ago
    Quoted from CoreyStup:

    My experiences:
    They work great on the Bally/Stern SDU, but the resistor they used to raise the 323 above ground needs to be shorted. The EZSBC doesn't need it for a stable 5.1V and won't work properly with it.
    On WPC I've had some success, but with early WPC sound boards the power off noise was extremely loud and was causing failures with speakers to blow and amplifiers to short out. It seems to oscillate as the input voltage drains off.
    But a great product!

    Wondering what resistor needs to be shorted. Is it on the driver bd itself or the EZSBC? Thanks! JR

    #42 3 years ago

    Thanks works now. Seems like a nice product!

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