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(Topic ID: 190058)

Gottlieb system 1 won't retain memory

By 80spit

6 years ago



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    #1 6 years ago
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    80spit

    Pinside member

    US Morgantown, PA

    11y 78,300 862 31

    I have an original sys 1 board which boots fine, replaced the 5101 twice with known good IC's have voltage on pin 22 ( 3.94v) but it will not retain memory, just looking for a tip where to go next. this board is so close to working right, would like to save it
    Thanks guys

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