| 摘要 |
PROBLEM TO BE SOLVED: To minimize the paying out of undesired prize balls based on any detection of winning, none originally designed during the period involved, by a sensor for detecting winning in a variable scoring device such as main scoring slot. SOLUTION: A pachinko game machine is provided with a large scoring slot, a switch 25 for a V zone, a count switch 26, a payout device 9, a main control board 31 and a payout control board 25. The large scoring slot has a scoring area and can be shifted to the first position of facilitating the winning of the area or to the second position of hindering it. The switches 25 and 26 detect the winning of the large scoring slot by game balls and the control boards 31 and 35 control the pay out device 9 according to the detection of the winning to pay out prize balls. The main control board 31 sets at least the period containing that as the first position as effective period for the detection of the switches 25 and 26 and forbids the paying out of prize balls based on any detection of winning when it occurs during the period different therefrom.
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