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(Topic ID: 194717)

Tech: Gottlieb Count Down doesn't boot intermittently

By kactussjack

6 years ago



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    #1 6 years ago
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    ???

    kactussjack

    Pinside member

    US Glen Mills, PA

    9y 19,800 40

    Occasionally the displays come on immediately and the game doesn't boot. This happens maybe 1 in 10 times. If i turn the game off and back on it generally will boot, sometimes it takes 2-3 cycles. There is no battery corrosion. I have steady +5 VDC & -12 VDC on MPU board. All ground mods have been done. Slam switch mod (Jumper @ C2) has been done. Reset section has been rebuilt. Game has the factory reset revision for longer reset. Note: I do not get -12VDC at TC1 pin 14 when game is turned on. Immediately get +5 VDC.

    I am not sure what else to look at. Any suggestions?

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