| 摘要 |
PROBLEM TO BE SOLVED: To use a common main control board 30 regardless of the grade and the contents of a game device capable of executing the contents of a game by the computer control on the basis of the program soft. SOLUTION: A main control board 30 controls the contents as a base of a game. A plurality of sub-control boards 33, 34 control a liquid crystal display device and a speaker. The image control board 33 and the voice control board 34 respectively comprise the means for judging the message signals input from the main control board 30. The image control board 33 and the voice control board 34 are connected to a specific connection port 35 of the main control board 30 in series. Whereby the image control board 33 can be demounted and the voice control board 34 can be directly connected to an output connector 36 with respect to a throttle machine not having the liquid crystal display device.
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