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Coin-Op : Arcade : Lady Bug : KB-1493-298

Title

Ladybug and Mr. Do! Coin / Credit Problems

Author

Anthony Pietrak

Article

Problem is that many Universal Mr. Do! and Ladybug boardsets will not coin up if you just connect the coin switch and ground wires. Simply install a resistor (anywhere from 1K to 10K in value) from the coin pin on the board to +5 VDC on the boardset.

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