| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of detecting fraudulence, abnormality and failure to a base board in early stages and allowing easy replacement of a part of an abnormal and failure place, by simplifying a back face structure of a game board. SOLUTION: An ordinary pattern display device board 31f, various solenoids 40 and 45 for operating a special, a winning ball delivery device 109 and a shooter control board 201 are connected to an input-output port 154 of a frame control part 150 via a relay board 200b. A touch switch 9a, a shooting stopping switch 9b, a left entering ball port passing detecting switch 42s, a right entering ball port passing detecting switch 43s, a tank ball shortage detecting switch 104 and a replenishing ball shortage detecting switch 108 are connected to a terminal board 200a for a frame, and an output terminal of the terminal board 200a of the frame is connected to the input-output port 154.
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