| 摘要 |
PROBLEM TO BE SOLVED: To flexibly cope with change in the number of lamps without accompanying any change of a control circuit board. SOLUTION: In this game machine, N pieces of lighting circuits LAij having a pair of LED lamps DAij, DBij therein are provided, and the 2×N pieces of LED lamps are constituted to be independently driven, so as to present a game control operation. The lighting circuit LAij has a flow-in terminal through which a driving current flows in, a flow-out terminal through which the driving current flows out, and a control terminal for receiving a control signal, and a pair of lighting elements is alternatively operated by the control signal from a sub control board.
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